diff --git a/include/input/IInputFlinger.h b/include/input/IInputFlinger.h
index cd12fcd..4365a3c 100644
--- a/include/input/IInputFlinger.h
+++ b/include/input/IInputFlinger.h
@@ -22,7 +22,6 @@
 
 #include <binder/IInterface.h>
 
-#include <utils/Vector.h>
 #include <input/InputWindow.h>
 #include <input/ISetInputWindowsListener.h>
 
@@ -36,7 +35,7 @@
 public:
     DECLARE_META_INTERFACE(InputFlinger)
 
-    virtual void setInputWindows(const Vector<InputWindowInfo>& inputHandles,
+    virtual void setInputWindows(const std::vector<InputWindowInfo>& inputHandles,
             const sp<ISetInputWindowsListener>& setInputWindowsListener) = 0;
     virtual void transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken) = 0;
     virtual void registerInputChannel(const sp<InputChannel>& channel) = 0;
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 48ac88d..b6efc82 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -19,6 +19,7 @@
 
 #include <input/Input.h>
 #include <input/KeyCharacterMap.h>
+#include <vector>
 
 namespace android {
 
@@ -121,7 +122,7 @@
     inline void setButtonUnderPad(bool hasButton) { mHasButtonUnderPad = hasButton; }
     inline bool hasButtonUnderPad() const { return mHasButtonUnderPad; }
 
-    inline const Vector<MotionRange>& getMotionRanges() const {
+    inline const std::vector<MotionRange>& getMotionRanges() const {
         return mMotionRanges;
     }
 
@@ -139,7 +140,7 @@
     bool mHasVibrator;
     bool mHasButtonUnderPad;
 
-    Vector<MotionRange> mMotionRanges;
+    std::vector<MotionRange> mMotionRanges;
 };
 
 /* Types of input device configuration files. */
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index 73815fe..26f3501 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -66,7 +66,7 @@
 
     status_t mapKey(int32_t scanCode, int32_t usageCode,
             int32_t* outKeyCode, uint32_t* outFlags) const;
-    status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
+    status_t findScanCodesForKey(int32_t keyCode, std::vector<int32_t>* outScanCodes) const;
     status_t findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const;
     status_t findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const;
 
diff --git a/include/input/VirtualKeyMap.h b/include/input/VirtualKeyMap.h
index 4f7cfb6..6e8e2c9 100644
--- a/include/input/VirtualKeyMap.h
+++ b/include/input/VirtualKeyMap.h
@@ -24,6 +24,7 @@
 #include <utils/KeyedVector.h>
 #include <utils/Tokenizer.h>
 #include <utils/Unicode.h>
+#include <vector>
 
 namespace android {
 
@@ -51,7 +52,7 @@
 
     static std::unique_ptr<VirtualKeyMap> load(const std::string& filename);
 
-    inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const {
+    inline const std::vector<VirtualKeyDefinition>& getVirtualKeys() const {
         return mVirtualKeys;
     }
 
@@ -70,7 +71,7 @@
         bool parseNextIntField(int32_t* outValue);
     };
 
-    Vector<VirtualKeyDefinition> mVirtualKeys;
+    std::vector<VirtualKeyDefinition> mVirtualKeys;
 
     VirtualKeyMap();
 };
diff --git a/libs/input/IInputFlinger.cpp b/libs/input/IInputFlinger.cpp
index 4ce5a10..d6a73bf 100644
--- a/libs/input/IInputFlinger.cpp
+++ b/libs/input/IInputFlinger.cpp
@@ -30,7 +30,7 @@
     explicit BpInputFlinger(const sp<IBinder>& impl) :
             BpInterface<IInputFlinger>(impl) { }
 
-    virtual void setInputWindows(const Vector<InputWindowInfo>& inputInfo,
+    virtual void setInputWindows(const std::vector<InputWindowInfo>& inputInfo,
             const sp<ISetInputWindowsListener>& setInputWindowsListener) {
         Parcel data, reply;
         data.writeInterfaceToken(IInputFlinger::getInterfaceDescriptor());
@@ -81,10 +81,9 @@
         if (count > data.dataSize()) {
             return BAD_VALUE;
         }
-        Vector<InputWindowInfo> handles;
-        handles.setCapacity(count);
+        std::vector<InputWindowInfo> handles;
         for (size_t i = 0; i < count; i++) {
-            handles.add(InputWindowInfo(data));
+            handles.push_back(InputWindowInfo::read(data));
         }
         const sp<ISetInputWindowsListener> setInputWindowsListener =
                 ISetInputWindowsListener::asInterface(data.readStrongBinder());
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index dab6eac..4db9e06 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -186,7 +186,7 @@
         int32_t axis, uint32_t source) const {
     size_t numRanges = mMotionRanges.size();
     for (size_t i = 0; i < numRanges; i++) {
-        const MotionRange& range = mMotionRanges.itemAt(i);
+        const MotionRange& range = mMotionRanges[i];
         if (range.axis == axis && range.source == source) {
             return &range;
         }
@@ -201,11 +201,11 @@
 void InputDeviceInfo::addMotionRange(int32_t axis, uint32_t source, float min, float max,
         float flat, float fuzz, float resolution) {
     MotionRange range = { axis, source, min, max, flat, fuzz, resolution };
-    mMotionRanges.add(range);
+    mMotionRanges.push_back(range);
 }
 
 void InputDeviceInfo::addMotionRange(const MotionRange& range) {
-    mMotionRanges.add(range);
+    mMotionRanges.push_back(range);
 }
 
 } // namespace android
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 88cb0db..efca68d 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -120,11 +120,12 @@
     return nullptr;
 }
 
-status_t KeyLayoutMap::findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const {
+status_t KeyLayoutMap::findScanCodesForKey(
+        int32_t keyCode, std::vector<int32_t>* outScanCodes) const {
     const size_t N = mKeysByScanCode.size();
     for (size_t i=0; i<N; i++) {
         if (mKeysByScanCode.valueAt(i).keyCode == keyCode) {
-            outScanCodes->add(mKeysByScanCode.keyAt(i));
+            outScanCodes->push_back(mKeysByScanCode.keyAt(i));
         }
     }
     return NO_ERROR;
diff --git a/libs/input/VirtualKeyMap.cpp b/libs/input/VirtualKeyMap.cpp
index 624f152..865366b 100644
--- a/libs/input/VirtualKeyMap.cpp
+++ b/libs/input/VirtualKeyMap.cpp
@@ -112,7 +112,7 @@
                         "width=%d, height=%d",
                         defn.scanCode, defn.centerX, defn.centerY, defn.width, defn.height);
 #endif
-                mMap->mVirtualKeys.push(defn);
+                mMap->mVirtualKeys.push_back(defn);
             } while (consumeFieldDelimiterAndSkipWhitespace());
 
             if (!mTokenizer->isEol()) {
diff --git a/services/inputflinger/EventHub.cpp b/services/inputflinger/EventHub.cpp
index 4da1473..0544ec1 100644
--- a/services/inputflinger/EventHub.cpp
+++ b/services/inputflinger/EventHub.cpp
@@ -415,14 +415,14 @@
 
     Device* device = getDeviceLocked(deviceId);
     if (device && device->hasValidFd() && device->keyMap.haveKeyLayout()) {
-        Vector<int32_t> scanCodes;
+        std::vector<int32_t> scanCodes;
         device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes);
         if (scanCodes.size() != 0) {
             uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)];
             memset(keyState, 0, sizeof(keyState));
             if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) {
                 for (size_t i = 0; i < scanCodes.size(); i++) {
-                    int32_t sc = scanCodes.itemAt(i);
+                    int32_t sc = scanCodes[i];
                     if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) {
                         return AKEY_STATE_DOWN;
                     }
@@ -478,7 +478,7 @@
 
     Device* device = getDeviceLocked(deviceId);
     if (device && device->keyMap.haveKeyLayout()) {
-        Vector<int32_t> scanCodes;
+        std::vector<int32_t> scanCodes;
         for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
             scanCodes.clear();
 
@@ -609,13 +609,15 @@
 }
 
 void EventHub::getVirtualKeyDefinitions(int32_t deviceId,
-        Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+        std::vector<VirtualKeyDefinition>& outVirtualKeys) const {
     outVirtualKeys.clear();
 
     AutoMutex _l(mLock);
     Device* device = getDeviceLocked(deviceId);
     if (device && device->virtualKeyMap) {
-        outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys());
+        const std::vector<VirtualKeyDefinition> virtualKeys =
+                device->virtualKeyMap->getVirtualKeys();
+        outVirtualKeys.insert(outVirtualKeys.end(), virtualKeys.begin(), virtualKeys.end());
     }
 }
 
@@ -1680,11 +1682,11 @@
         return false;
     }
 
-    Vector<int32_t> scanCodes;
+    std::vector<int32_t> scanCodes;
     device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes);
     const size_t N = scanCodes.size();
     for (size_t i=0; i<N && i<=KEY_MAX; i++) {
-        int32_t sc = scanCodes.itemAt(i);
+        int32_t sc = scanCodes[i];
         if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) {
             return true;
         }
diff --git a/services/inputflinger/EventHub.h b/services/inputflinger/EventHub.h
index 44f7b37..63a20ef 100644
--- a/services/inputflinger/EventHub.h
+++ b/services/inputflinger/EventHub.h
@@ -228,7 +228,7 @@
     virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
 
     virtual void getVirtualKeyDefinitions(int32_t deviceId,
-            Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
+            std::vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
 
     virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0;
     virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map) = 0;
@@ -304,7 +304,7 @@
     virtual void setLedState(int32_t deviceId, int32_t led, bool on);
 
     virtual void getVirtualKeyDefinitions(int32_t deviceId,
-            Vector<VirtualKeyDefinition>& outVirtualKeys) const;
+            std::vector<VirtualKeyDefinition>& outVirtualKeys) const;
 
     virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const;
     virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map);
diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index bcb1ec5..1317620 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -524,10 +524,8 @@
 sp<InputWindowHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayId,
         int32_t x, int32_t y, bool addOutsideTargets, bool addPortalWindows) {
     // Traverse windows from front to back to find touched window.
-    const Vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
-    size_t numWindows = windowHandles.size();
-    for (size_t i = 0; i < numWindows; i++) {
-        sp<InputWindowHandle> windowHandle = windowHandles.itemAt(i);
+    const std::vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
+    for (const sp<InputWindowHandle>& windowHandle : windowHandles) {
         const InputWindowInfo* windowInfo = windowHandle->getInfo();
         if (windowInfo->displayId == displayId) {
             int32_t flags = windowInfo->layoutParamsFlags;
@@ -859,7 +857,7 @@
     }
 
     // Identify targets.
-    Vector<InputTarget> inputTargets;
+    std::vector<InputTarget> inputTargets;
     int32_t injectionResult = findFocusedWindowTargetsLocked(currentTime,
             entry, inputTargets, nextWakeupTime);
     if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
@@ -910,7 +908,7 @@
     bool isPointerEvent = entry->source & AINPUT_SOURCE_CLASS_POINTER;
 
     // Identify targets.
-    Vector<InputTarget> inputTargets;
+    std::vector<InputTarget> inputTargets;
 
     bool conflictingPointerActions = false;
     int32_t injectionResult;
@@ -946,11 +944,11 @@
         ssize_t stateIndex = mTouchStatesByDisplay.indexOfKey(entry->displayId);
         if (stateIndex >= 0) {
             const TouchState& state = mTouchStatesByDisplay.valueAt(stateIndex);
-            if (!state.portalWindows.isEmpty()) {
+            if (!state.portalWindows.empty()) {
                 // The event has gone through these portal windows, so we add monitoring targets of
                 // the corresponding displays as well.
                 for (size_t i = 0; i < state.portalWindows.size(); i++) {
-                    const InputWindowInfo* windowInfo = state.portalWindows.itemAt(i)->getInfo();
+                    const InputWindowInfo* windowInfo = state.portalWindows[i]->getInfo();
                     addMonitoringTargetsLocked(inputTargets, windowInfo->portalToDisplayId,
                             -windowInfo->frameLeft, -windowInfo->frameTop);
                 }
@@ -1004,7 +1002,7 @@
 }
 
 void InputDispatcher::dispatchEventLocked(nsecs_t currentTime,
-        EventEntry* eventEntry, const Vector<InputTarget>& inputTargets) {
+        EventEntry* eventEntry, const std::vector<InputTarget>& inputTargets) {
 #if DEBUG_DISPATCH_CYCLE
     ALOGD("dispatchEventToCurrentInputTargets");
 #endif
@@ -1013,9 +1011,7 @@
 
     pokeUserActivityLocked(eventEntry);
 
-    for (size_t i = 0; i < inputTargets.size(); i++) {
-        const InputTarget& inputTarget = inputTargets.itemAt(i);
-
+    for (const InputTarget& inputTarget : inputTargets) {
         ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
         if (connectionIndex >= 0) {
             sp<Connection> connection = mConnectionsByFd.valueAt(connectionIndex);
@@ -1181,7 +1177,7 @@
 }
 
 int32_t InputDispatcher::findFocusedWindowTargetsLocked(nsecs_t currentTime,
-        const EventEntry* entry, Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime) {
+        const EventEntry* entry, std::vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime) {
     int32_t injectionResult;
     std::string reason;
 
@@ -1244,7 +1240,7 @@
 }
 
 int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
-        const MotionEntry* entry, Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
+        const MotionEntry* entry, std::vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
         bool* outConflictingPointerActions) {
     enum InjectionPermission {
         INJECTION_PERMISSION_UNKNOWN,
@@ -1460,8 +1456,7 @@
     // is at least one touched foreground window.
     {
         bool haveForegroundWindow = false;
-        for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
-            const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+        for (const TouchedWindow& touchedWindow : mTempTouchState.windows) {
             if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
                 haveForegroundWindow = true;
                 if (! checkInjectionPermission(touchedWindow.windowHandle,
@@ -1491,8 +1486,7 @@
         sp<InputWindowHandle> foregroundWindowHandle =
                 mTempTouchState.getFirstForegroundWindowHandle();
         const int32_t foregroundWindowUid = foregroundWindowHandle->getInfo()->ownerUid;
-        for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
-            const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+        for (const TouchedWindow& touchedWindow : mTempTouchState.windows) {
             if (touchedWindow.targetFlags & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
                 sp<InputWindowHandle> inputWindowHandle = touchedWindow.windowHandle;
                 if (inputWindowHandle->getInfo()->ownerUid != foregroundWindowUid) {
@@ -1504,8 +1498,7 @@
     }
 
     // Ensure all touched foreground windows are ready for new input.
-    for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
-        const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+    for (const TouchedWindow& touchedWindow : mTempTouchState.windows) {
         if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
             // Check whether the window is ready for more input.
             std::string reason = checkWindowReadyForMoreInputLocked(currentTime,
@@ -1528,10 +1521,9 @@
         sp<InputWindowHandle> foregroundWindowHandle =
                 mTempTouchState.getFirstForegroundWindowHandle();
         if (foregroundWindowHandle->getInfo()->hasWallpaper) {
-            const Vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
-            size_t numWindows = windowHandles.size();
-            for (size_t i = 0; i < numWindows; i++) {
-                sp<InputWindowHandle> windowHandle = windowHandles.itemAt(i);
+            const std::vector<sp<InputWindowHandle>> windowHandles =
+                    getWindowHandlesLocked(displayId);
+            for (const sp<InputWindowHandle>& windowHandle : windowHandles) {
                 const InputWindowInfo* info = windowHandle->getInfo();
                 if (info->displayId == displayId
                         && windowHandle->getInfo()->layoutParamsType
@@ -1549,8 +1541,7 @@
     // Success!  Output targets.
     injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
 
-    for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
-        const TouchedWindow& touchedWindow = mTempTouchState.windows.itemAt(i);
+    for (const TouchedWindow& touchedWindow : mTempTouchState.windows) {
         addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
                 touchedWindow.pointerIds, inputTargets);
     }
@@ -1613,11 +1604,11 @@
                     uint32_t pointerId = entry->pointerProperties[pointerIndex].id;
 
                     for (size_t i = 0; i < mTempTouchState.windows.size(); ) {
-                        TouchedWindow& touchedWindow = mTempTouchState.windows.editItemAt(i);
+                        TouchedWindow& touchedWindow = mTempTouchState.windows[i];
                         if (touchedWindow.targetFlags & InputTarget::FLAG_SPLIT) {
                             touchedWindow.pointerIds.clearBit(pointerId);
                             if (touchedWindow.pointerIds.isEmpty()) {
-                                mTempTouchState.windows.removeAt(i);
+                                mTempTouchState.windows.erase(mTempTouchState.windows.begin() + i);
                                 continue;
                             }
                         }
@@ -1664,17 +1655,15 @@
 }
 
 void InputDispatcher::addWindowTargetLocked(const sp<InputWindowHandle>& windowHandle,
-        int32_t targetFlags, BitSet32 pointerIds, Vector<InputTarget>& inputTargets) {
+        int32_t targetFlags, BitSet32 pointerIds, std::vector<InputTarget>& inputTargets) {
     sp<InputChannel> inputChannel = getInputChannelLocked(windowHandle->getToken());
     if (inputChannel == nullptr) {
         ALOGW("Window %s already unregistered input channel", windowHandle->getName().c_str());
         return;
     }
 
-    inputTargets.push();
-
     const InputWindowInfo* windowInfo = windowHandle->getInfo();
-    InputTarget& target = inputTargets.editTop();
+    InputTarget target;
     target.inputChannel = inputChannel;
     target.flags = targetFlags;
     target.xOffset = - windowInfo->frameLeft;
@@ -1683,26 +1672,26 @@
     target.windowXScale = windowInfo->windowXScale;
     target.windowYScale = windowInfo->windowYScale;
     target.pointerIds = pointerIds;
+    inputTargets.push_back(target);
 }
 
-void InputDispatcher::addMonitoringTargetsLocked(Vector<InputTarget>& inputTargets,
+void InputDispatcher::addMonitoringTargetsLocked(std::vector<InputTarget>& inputTargets,
         int32_t displayId, float xOffset, float yOffset) {
-    std::unordered_map<int32_t, Vector<sp<InputChannel>>>::const_iterator it =
+    std::unordered_map<int32_t, std::vector<sp<InputChannel>>>::const_iterator it =
             mMonitoringChannelsByDisplay.find(displayId);
 
     if (it != mMonitoringChannelsByDisplay.end()) {
-        const Vector<sp<InputChannel>>& monitoringChannels = it->second;
+        const std::vector<sp<InputChannel>>& monitoringChannels = it->second;
         const size_t numChannels = monitoringChannels.size();
         for (size_t i = 0; i < numChannels; i++) {
-            inputTargets.push();
-
-            InputTarget& target = inputTargets.editTop();
+            InputTarget target;
             target.inputChannel = monitoringChannels[i];
             target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
             target.xOffset = xOffset;
             target.yOffset = yOffset;
             target.pointerIds.clear();
             target.globalScaleFactor = 1.0f;
+            inputTargets.push_back(target);
         }
     } else {
         // If there is no monitor channel registered or all monitor channel unregistered,
@@ -1735,10 +1724,8 @@
 bool InputDispatcher::isWindowObscuredAtPointLocked(
         const sp<InputWindowHandle>& windowHandle, int32_t x, int32_t y) const {
     int32_t displayId = windowHandle->getInfo()->displayId;
-    const Vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
-    size_t numWindows = windowHandles.size();
-    for (size_t i = 0; i < numWindows; i++) {
-        sp<InputWindowHandle> otherHandle = windowHandles.itemAt(i);
+    const std::vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
+    for (const sp<InputWindowHandle>& otherHandle : windowHandles) {
         if (otherHandle == windowHandle) {
             break;
         }
@@ -1756,11 +1743,9 @@
 
 bool InputDispatcher::isWindowObscuredLocked(const sp<InputWindowHandle>& windowHandle) const {
     int32_t displayId = windowHandle->getInfo()->displayId;
-    const Vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
+    const std::vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
     const InputWindowInfo* windowInfo = windowHandle->getInfo();
-    size_t numWindows = windowHandles.size();
-    for (size_t i = 0; i < numWindows; i++) {
-        sp<InputWindowHandle> otherHandle = windowHandles.itemAt(i);
+    for (const sp<InputWindowHandle>& otherHandle : windowHandles) {
         if (otherHandle == windowHandle) {
             break;
         }
@@ -2333,7 +2318,7 @@
 void InputDispatcher::synthesizeCancelationEventsForMonitorsLocked (
         const CancelationOptions& options) {
     for (auto& it : mMonitoringChannelsByDisplay) {
-        const Vector<sp<InputChannel>>& monitoringChannels = it.second;
+        const std::vector<sp<InputChannel>>& monitoringChannels = it.second;
         const size_t numChannels = monitoringChannels.size();
         for (size_t i = 0; i < numChannels; i++) {
             synthesizeCancelationEventsForInputChannelLocked(monitoringChannels[i], options);
@@ -2358,11 +2343,11 @@
 
     nsecs_t currentTime = now();
 
-    Vector<EventEntry*> cancelationEvents;
+    std::vector<EventEntry*> cancelationEvents;
     connection->inputState.synthesizeCancelationEvents(currentTime,
             cancelationEvents, options);
 
-    if (!cancelationEvents.isEmpty()) {
+    if (!cancelationEvents.empty()) {
 #if DEBUG_OUTBOUND_EVENT_DETAILS
         ALOGD("channel '%s' ~ Synthesized %zu cancelation events to bring channel back in sync "
                 "with reality: %s, mode=%d.",
@@ -2370,7 +2355,7 @@
                 options.reason, options.mode);
 #endif
         for (size_t i = 0; i < cancelationEvents.size(); i++) {
-            EventEntry* cancelationEventEntry = cancelationEvents.itemAt(i);
+            EventEntry* cancelationEventEntry = cancelationEvents[i];
             switch (cancelationEventEntry->type) {
             case EventEntry::TYPE_KEY:
                 logOutboundKeyDetails("cancel - ",
@@ -3011,24 +2996,23 @@
     }
 }
 
-Vector<sp<InputWindowHandle>> InputDispatcher::getWindowHandlesLocked(int32_t displayId) const {
-    std::unordered_map<int32_t, Vector<sp<InputWindowHandle>>>::const_iterator it =
+std::vector<sp<InputWindowHandle>> InputDispatcher::getWindowHandlesLocked(
+        int32_t displayId) const {
+    std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>>::const_iterator it =
             mWindowHandlesByDisplay.find(displayId);
     if(it != mWindowHandlesByDisplay.end()) {
         return it->second;
     }
 
     // Return an empty one if nothing found.
-    return Vector<sp<InputWindowHandle>>();
+    return std::vector<sp<InputWindowHandle>>();
 }
 
 sp<InputWindowHandle> InputDispatcher::getWindowHandleLocked(
         const sp<IBinder>& windowHandleToken) const {
     for (auto& it : mWindowHandlesByDisplay) {
-        const Vector<sp<InputWindowHandle>> windowHandles = it.second;
-        size_t numWindows = windowHandles.size();
-        for (size_t i = 0; i < numWindows; i++) {
-            const sp<InputWindowHandle>& windowHandle = windowHandles.itemAt(i);
+        const std::vector<sp<InputWindowHandle>> windowHandles = it.second;
+        for (const sp<InputWindowHandle>& windowHandle : windowHandles) {
             if (windowHandle->getToken() == windowHandleToken) {
                 return windowHandle;
             }
@@ -3039,11 +3023,9 @@
 
 bool InputDispatcher::hasWindowHandleLocked(const sp<InputWindowHandle>& windowHandle) const {
     for (auto& it : mWindowHandlesByDisplay) {
-        const Vector<sp<InputWindowHandle>> windowHandles = it.second;
-        size_t numWindows = windowHandles.size();
-        for (size_t i = 0; i < numWindows; i++) {
-            if (windowHandles.itemAt(i)->getToken()
-                    == windowHandle->getToken()) {
+        const std::vector<sp<InputWindowHandle>> windowHandles = it.second;
+        for (const sp<InputWindowHandle>& handle : windowHandles) {
+            if (handle->getToken() == windowHandle->getToken()) {
                 if (windowHandle->getInfo()->displayId != it.first) {
                     ALOGE("Found window %s in display %" PRId32
                             ", but it should belong to display %" PRId32,
@@ -3072,7 +3054,7 @@
  * For focused handle, check if need to change and send a cancel event to previous one.
  * For removed handle, check if need to send a cancel event if already in touch.
  */
-void InputDispatcher::setInputWindows(const Vector<sp<InputWindowHandle>>& inputWindowHandles,
+void InputDispatcher::setInputWindows(const std::vector<sp<InputWindowHandle>>& inputWindowHandles,
         int32_t displayId, const sp<ISetInputWindowsListener>& setInputWindowsListener) {
 #if DEBUG_FOCUS
     ALOGD("setInputWindows displayId=%" PRId32, displayId);
@@ -3081,28 +3063,27 @@
         std::scoped_lock _l(mLock);
 
         // Copy old handles for release if they are no longer present.
-        const Vector<sp<InputWindowHandle>> oldWindowHandles = getWindowHandlesLocked(displayId);
+        const std::vector<sp<InputWindowHandle>> oldWindowHandles =
+                getWindowHandlesLocked(displayId);
 
         sp<InputWindowHandle> newFocusedWindowHandle = nullptr;
         bool foundHoveredWindow = false;
 
-        if (inputWindowHandles.isEmpty()) {
+        if (inputWindowHandles.empty()) {
             // Remove all handles on a display if there are no windows left.
             mWindowHandlesByDisplay.erase(displayId);
         } else {
             // Since we compare the pointer of input window handles across window updates, we need
             // to make sure the handle object for the same window stays unchanged across updates.
-            const Vector<sp<InputWindowHandle>>& oldHandles = mWindowHandlesByDisplay[displayId];
+            const std::vector<sp<InputWindowHandle>>& oldHandles =
+                    mWindowHandlesByDisplay[displayId];
             std::unordered_map<sp<IBinder>, sp<InputWindowHandle>, IBinderHash> oldHandlesByTokens;
-            for (size_t i = 0; i < oldHandles.size(); i++) {
-                const sp<InputWindowHandle>& handle = oldHandles.itemAt(i);
+            for (const sp<InputWindowHandle>& handle : oldHandles) {
                 oldHandlesByTokens[handle->getToken()] = handle;
             }
 
-            const size_t numWindows = inputWindowHandles.size();
-            Vector<sp<InputWindowHandle>> newHandles;
-            for (size_t i = 0; i < numWindows; i++) {
-                const sp<InputWindowHandle>& handle = inputWindowHandles.itemAt(i);
+            std::vector<sp<InputWindowHandle>> newHandles;
+            for (const sp<InputWindowHandle>& handle : inputWindowHandles) {
                 if (!handle->updateInfo() || (getInputChannelLocked(handle->getToken()) == nullptr
                         && handle->getInfo()->portalToDisplayId == ADISPLAY_ID_NONE)) {
                     ALOGE("Window handle %s has no registered input channel",
@@ -3127,8 +3108,7 @@
                 }
             }
 
-            for (size_t i = 0; i < newHandles.size(); i++) {
-                const sp<InputWindowHandle>& windowHandle = newHandles.itemAt(i);
+            for (const sp<InputWindowHandle>& windowHandle : newHandles) {
                 // Set newFocusedWindowHandle to the top most focused window instead of the last one
                 if (!newFocusedWindowHandle && windowHandle->getInfo()->hasFocus
                         && windowHandle->getInfo()->visible) {
@@ -3184,7 +3164,7 @@
         if (stateIndex >= 0) {
             TouchState& state = mTouchStatesByDisplay.editValueAt(stateIndex);
             for (size_t i = 0; i < state.windows.size(); ) {
-                TouchedWindow& touchedWindow = state.windows.editItemAt(i);
+                TouchedWindow& touchedWindow = state.windows[i];
                 if (!hasWindowHandleLocked(touchedWindow.windowHandle)) {
 #if DEBUG_FOCUS
                     ALOGD("Touched window was removed: %s in display %" PRId32,
@@ -3198,7 +3178,7 @@
                         synthesizeCancelationEventsForInputChannelLocked(
                                 touchedInputChannel, options);
                     }
-                    state.windows.removeAt(i);
+                    state.windows.erase(state.windows.begin() + i);
                 } else {
                   ++i;
                 }
@@ -3209,9 +3189,7 @@
         // This ensures that unused input channels are released promptly.
         // Otherwise, they might stick around until the window handle is destroyed
         // which might not happen until the next GC.
-        size_t numWindows = oldWindowHandles.size();
-        for (size_t i = 0; i < numWindows; i++) {
-            const sp<InputWindowHandle>& oldWindowHandle = oldWindowHandles.itemAt(i);
+        for (const sp<InputWindowHandle>& oldWindowHandle : oldWindowHandles) {
             if (!hasWindowHandleLocked(oldWindowHandle)) {
 #if DEBUG_FOCUS
                 ALOGD("Window went away: %s", oldWindowHandle->getName().c_str());
@@ -3415,7 +3393,7 @@
                     int32_t oldTargetFlags = touchedWindow.targetFlags;
                     BitSet32 pointerIds = touchedWindow.pointerIds;
 
-                    state.windows.removeAt(i);
+                    state.windows.erase(state.windows.begin() + i);
 
                     int32_t newTargetFlags = oldTargetFlags
                             & (InputTarget::FLAG_FOREGROUND
@@ -3531,7 +3509,7 @@
             dump += StringPrintf(INDENT2 "%d: down=%s, split=%s, deviceId=%d, source=0x%08x\n",
                     state.displayId, toString(state.down), toString(state.split),
                     state.deviceId, state.source);
-            if (!state.windows.isEmpty()) {
+            if (!state.windows.empty()) {
                 dump += INDENT3 "Windows:\n";
                 for (size_t i = 0; i < state.windows.size(); i++) {
                     const TouchedWindow& touchedWindow = state.windows[i];
@@ -3543,10 +3521,10 @@
             } else {
                 dump += INDENT3 "Windows: <none>\n";
             }
-            if (!state.portalWindows.isEmpty()) {
+            if (!state.portalWindows.empty()) {
                 dump += INDENT3 "Portal windows:\n";
                 for (size_t i = 0; i < state.portalWindows.size(); i++) {
-                    const sp<InputWindowHandle> portalWindowHandle = state.portalWindows.itemAt(i);
+                    const sp<InputWindowHandle> portalWindowHandle = state.portalWindows[i];
                     dump += StringPrintf(INDENT4 "%zu: name='%s'\n",
                             i, portalWindowHandle->getName().c_str());
                 }
@@ -3558,12 +3536,12 @@
 
     if (!mWindowHandlesByDisplay.empty()) {
        for (auto& it : mWindowHandlesByDisplay) {
-            const Vector<sp<InputWindowHandle>> windowHandles = it.second;
+            const std::vector<sp<InputWindowHandle>> windowHandles = it.second;
             dump += StringPrintf(INDENT "Display: %" PRId32 "\n", it.first);
-            if (!windowHandles.isEmpty()) {
+            if (!windowHandles.empty()) {
                 dump += INDENT2 "Windows:\n";
                 for (size_t i = 0; i < windowHandles.size(); i++) {
-                    const sp<InputWindowHandle>& windowHandle = windowHandles.itemAt(i);
+                    const sp<InputWindowHandle>& windowHandle = windowHandles[i];
                     const InputWindowInfo* windowInfo = windowHandle->getInfo();
 
                     dump += StringPrintf(INDENT3 "%zu: name='%s', displayId=%d, "
@@ -3600,7 +3578,7 @@
 
     if (!mMonitoringChannelsByDisplay.empty()) {
        for (auto& it : mMonitoringChannelsByDisplay) {
-            const Vector<sp<InputChannel>>& monitoringChannels = it.second;
+            const std::vector<sp<InputChannel>>& monitoringChannels = it.second;
             dump += StringPrintf(INDENT "MonitoringChannels in display %" PRId32 ":\n", it.first);
             const size_t numChannels = monitoringChannels.size();
             for (size_t i = 0; i < numChannels; i++) {
@@ -3754,9 +3732,9 @@
 
         // Store monitor channel by displayId.
         if (monitor) {
-            Vector<sp<InputChannel>>& monitoringChannels =
+            std::vector<sp<InputChannel>>& monitoringChannels =
                     mMonitoringChannelsByDisplay[displayId];
-            monitoringChannels.push(inputChannel);
+            monitoringChannels.push_back(inputChannel);
         }
 
         mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this);
@@ -3817,11 +3795,11 @@
 void InputDispatcher::removeMonitorChannelLocked(const sp<InputChannel>& inputChannel) {
     for (auto it = mMonitoringChannelsByDisplay.begin();
             it != mMonitoringChannelsByDisplay.end(); ) {
-        Vector<sp<InputChannel>>& monitoringChannels = it->second;
+        std::vector<sp<InputChannel>>& monitoringChannels = it->second;
         const size_t numChannels = monitoringChannels.size();
         for (size_t i = 0; i < numChannels; i++) {
              if (monitoringChannels[i] == inputChannel) {
-                 monitoringChannels.removeAt(i);
+                 monitoringChannels.erase(monitoringChannels.begin() + i);
                  break;
              }
         }
@@ -4495,13 +4473,12 @@
 }
 
 bool InputDispatcher::InputState::isNeutral() const {
-    return mKeyMementos.isEmpty() && mMotionMementos.isEmpty();
+    return mKeyMementos.empty() && mMotionMementos.empty();
 }
 
 bool InputDispatcher::InputState::isHovering(int32_t deviceId, uint32_t source,
         int32_t displayId) const {
-    for (size_t i = 0; i < mMotionMementos.size(); i++) {
-        const MotionMemento& memento = mMotionMementos.itemAt(i);
+    for (const MotionMemento& memento : mMotionMementos) {
         if (memento.deviceId == deviceId
                 && memento.source == source
                 && memento.displayId == displayId
@@ -4527,7 +4504,7 @@
         }
         ssize_t index = findKeyMemento(entry);
         if (index >= 0) {
-            mKeyMementos.removeAt(index);
+            mKeyMementos.erase(mKeyMementos.begin() + index);
             return true;
         }
         /* FIXME: We can't just drop the key up event because that prevents creating
@@ -4552,7 +4529,7 @@
     case AKEY_EVENT_ACTION_DOWN: {
         ssize_t index = findKeyMemento(entry);
         if (index >= 0) {
-            mKeyMementos.removeAt(index);
+            mKeyMementos.erase(mKeyMementos.begin() + index);
         }
         addKeyMemento(entry, flags);
         return true;
@@ -4571,7 +4548,7 @@
     case AMOTION_EVENT_ACTION_CANCEL: {
         ssize_t index = findMotionMemento(entry, false /*hovering*/);
         if (index >= 0) {
-            mMotionMementos.removeAt(index);
+            mMotionMementos.erase(mMotionMementos.begin() + index);
             return true;
         }
 #if DEBUG_OUTBOUND_EVENT_DETAILS
@@ -4585,7 +4562,7 @@
     case AMOTION_EVENT_ACTION_DOWN: {
         ssize_t index = findMotionMemento(entry, false /*hovering*/);
         if (index >= 0) {
-            mMotionMementos.removeAt(index);
+            mMotionMementos.erase(mMotionMementos.begin() + index);
         }
         addMotionMemento(entry, flags, false /*hovering*/);
         return true;
@@ -4610,9 +4587,9 @@
             // anything generating fallback events (e.g. DPad keys for joystick movements).
             if (index >= 0) {
                 if (entry->pointerCoords[0].isEmpty()) {
-                    mMotionMementos.removeAt(index);
+                    mMotionMementos.erase(mMotionMementos.begin() + index);
                 } else {
-                    MotionMemento& memento = mMotionMementos.editItemAt(index);
+                    MotionMemento& memento = mMotionMementos[index];
                     memento.setPointers(entry);
                 }
             } else if (!entry->pointerCoords[0].isEmpty()) {
@@ -4623,7 +4600,7 @@
             return true;
         }
         if (index >= 0) {
-            MotionMemento& memento = mMotionMementos.editItemAt(index);
+            MotionMemento& memento = mMotionMementos[index];
             memento.setPointers(entry);
             return true;
         }
@@ -4638,7 +4615,7 @@
     case AMOTION_EVENT_ACTION_HOVER_EXIT: {
         ssize_t index = findMotionMemento(entry, true /*hovering*/);
         if (index >= 0) {
-            mMotionMementos.removeAt(index);
+            mMotionMementos.erase(mMotionMementos.begin() + index);
             return true;
         }
 #if DEBUG_OUTBOUND_EVENT_DETAILS
@@ -4653,7 +4630,7 @@
     case AMOTION_EVENT_ACTION_HOVER_MOVE: {
         ssize_t index = findMotionMemento(entry, true /*hovering*/);
         if (index >= 0) {
-            mMotionMementos.removeAt(index);
+            mMotionMementos.erase(mMotionMementos.begin() + index);
         }
         addMotionMemento(entry, flags, true /*hovering*/);
         return true;
@@ -4666,7 +4643,7 @@
 
 ssize_t InputDispatcher::InputState::findKeyMemento(const KeyEntry* entry) const {
     for (size_t i = 0; i < mKeyMementos.size(); i++) {
-        const KeyMemento& memento = mKeyMementos.itemAt(i);
+        const KeyMemento& memento = mKeyMementos[i];
         if (memento.deviceId == entry->deviceId
                 && memento.source == entry->source
                 && memento.displayId == entry->displayId
@@ -4681,7 +4658,7 @@
 ssize_t InputDispatcher::InputState::findMotionMemento(const MotionEntry* entry,
         bool hovering) const {
     for (size_t i = 0; i < mMotionMementos.size(); i++) {
-        const MotionMemento& memento = mMotionMementos.itemAt(i);
+        const MotionMemento& memento = mMotionMementos[i];
         if (memento.deviceId == entry->deviceId
                 && memento.source == entry->source
                 && memento.displayId == entry->displayId
@@ -4693,8 +4670,7 @@
 }
 
 void InputDispatcher::InputState::addKeyMemento(const KeyEntry* entry, int32_t flags) {
-    mKeyMementos.push();
-    KeyMemento& memento = mKeyMementos.editTop();
+    KeyMemento memento;
     memento.deviceId = entry->deviceId;
     memento.source = entry->source;
     memento.displayId = entry->displayId;
@@ -4704,12 +4680,12 @@
     memento.flags = flags;
     memento.downTime = entry->downTime;
     memento.policyFlags = entry->policyFlags;
+    mKeyMementos.push_back(memento);
 }
 
 void InputDispatcher::InputState::addMotionMemento(const MotionEntry* entry,
         int32_t flags, bool hovering) {
-    mMotionMementos.push();
-    MotionMemento& memento = mMotionMementos.editTop();
+    MotionMemento memento;
     memento.deviceId = entry->deviceId;
     memento.source = entry->source;
     memento.displayId = entry->displayId;
@@ -4720,6 +4696,7 @@
     memento.setPointers(entry);
     memento.hovering = hovering;
     memento.policyFlags = entry->policyFlags;
+    mMotionMementos.push_back(memento);
 }
 
 void InputDispatcher::InputState::MotionMemento::setPointers(const MotionEntry* entry) {
@@ -4731,23 +4708,21 @@
 }
 
 void InputDispatcher::InputState::synthesizeCancelationEvents(nsecs_t currentTime,
-        Vector<EventEntry*>& outEvents, const CancelationOptions& options) {
-    for (size_t i = 0; i < mKeyMementos.size(); i++) {
-        const KeyMemento& memento = mKeyMementos.itemAt(i);
+        std::vector<EventEntry*>& outEvents, const CancelationOptions& options) {
+    for (KeyMemento& memento : mKeyMementos) {
         if (shouldCancelKey(memento, options)) {
-            outEvents.push(new KeyEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
+            outEvents.push_back(new KeyEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
                     memento.deviceId, memento.source, memento.displayId, memento.policyFlags,
                     AKEY_EVENT_ACTION_UP, memento.flags | AKEY_EVENT_FLAG_CANCELED,
                     memento.keyCode, memento.scanCode, memento.metaState, 0, memento.downTime));
         }
     }
 
-    for (size_t i = 0; i < mMotionMementos.size(); i++) {
-        const MotionMemento& memento = mMotionMementos.itemAt(i);
+    for (const MotionMemento& memento : mMotionMementos) {
         if (shouldCancelMotion(memento, options)) {
             const int32_t action = memento.hovering ?
                     AMOTION_EVENT_ACTION_HOVER_EXIT : AMOTION_EVENT_ACTION_CANCEL;
-            outEvents.push(new MotionEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
+            outEvents.push_back(new MotionEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
                     memento.deviceId, memento.source, memento.displayId, memento.policyFlags,
                     action, 0 /*actionButton*/, memento.flags, AMETA_NONE, 0 /*buttonState*/,
                     MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE,
@@ -4766,19 +4741,19 @@
 
 void InputDispatcher::InputState::copyPointerStateTo(InputState& other) const {
     for (size_t i = 0; i < mMotionMementos.size(); i++) {
-        const MotionMemento& memento = mMotionMementos.itemAt(i);
+        const MotionMemento& memento = mMotionMementos[i];
         if (memento.source & AINPUT_SOURCE_CLASS_POINTER) {
             for (size_t j = 0; j < other.mMotionMementos.size(); ) {
-                const MotionMemento& otherMemento = other.mMotionMementos.itemAt(j);
+                const MotionMemento& otherMemento = other.mMotionMementos[j];
                 if (memento.deviceId == otherMemento.deviceId
                         && memento.source == otherMemento.source
                         && memento.displayId == otherMemento.displayId) {
-                    other.mMotionMementos.removeAt(j);
+                    other.mMotionMementos.erase(other.mMotionMementos.begin() + j);
                 } else {
                     j += 1;
                 }
             }
-            other.mMotionMementos.push(memento);
+            other.mMotionMementos.push_back(memento);
         }
     }
 }
@@ -4940,7 +4915,7 @@
     }
 
     for (size_t i = 0; i < windows.size(); i++) {
-        TouchedWindow& touchedWindow = windows.editItemAt(i);
+        TouchedWindow& touchedWindow = windows[i];
         if (touchedWindow.windowHandle == windowHandle) {
             touchedWindow.targetFlags |= targetFlags;
             if (targetFlags & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
@@ -4951,19 +4926,17 @@
         }
     }
 
-    windows.push();
-
-    TouchedWindow& touchedWindow = windows.editTop();
+    TouchedWindow touchedWindow;
     touchedWindow.windowHandle = windowHandle;
     touchedWindow.targetFlags = targetFlags;
     touchedWindow.pointerIds = pointerIds;
+    windows.push_back(touchedWindow);
 }
 
 void InputDispatcher::TouchState::addPortalWindow(const sp<InputWindowHandle>& windowHandle) {
     size_t numWindows = portalWindows.size();
     for (size_t i = 0; i < numWindows; i++) {
-        sp<InputWindowHandle> portalWindowHandle = portalWindows.itemAt(i);
-        if (portalWindowHandle == windowHandle) {
+        if (portalWindows[i] == windowHandle) {
             return;
         }
     }
@@ -4972,8 +4945,8 @@
 
 void InputDispatcher::TouchState::removeWindow(const sp<InputWindowHandle>& windowHandle) {
     for (size_t i = 0; i < windows.size(); i++) {
-        if (windows.itemAt(i).windowHandle == windowHandle) {
-            windows.removeAt(i);
+        if (windows[i].windowHandle == windowHandle) {
+            windows.erase(windows.begin() + i);
             return;
         }
     }
@@ -4981,8 +4954,8 @@
 
 void InputDispatcher::TouchState::removeWindowByToken(const sp<IBinder>& token) {
     for (size_t i = 0; i < windows.size(); i++) {
-        if (windows.itemAt(i).windowHandle->getToken() == token) {
-            windows.removeAt(i);
+        if (windows[i].windowHandle->getToken() == token) {
+            windows.erase(windows.begin() + i);
             return;
         }
     }
@@ -4990,21 +4963,21 @@
 
 void InputDispatcher::TouchState::filterNonAsIsTouchWindows() {
     for (size_t i = 0 ; i < windows.size(); ) {
-        TouchedWindow& window = windows.editItemAt(i);
+        TouchedWindow& window = windows[i];
         if (window.targetFlags & (InputTarget::FLAG_DISPATCH_AS_IS
                 | InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER)) {
             window.targetFlags &= ~InputTarget::FLAG_DISPATCH_MASK;
             window.targetFlags |= InputTarget::FLAG_DISPATCH_AS_IS;
             i += 1;
         } else {
-            windows.removeAt(i);
+            windows.erase(windows.begin() + i);
         }
     }
 }
 
 sp<InputWindowHandle> InputDispatcher::TouchState::getFirstForegroundWindowHandle() const {
     for (size_t i = 0; i < windows.size(); i++) {
-        const TouchedWindow& window = windows.itemAt(i);
+        const TouchedWindow& window = windows[i];
         if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
             return window.windowHandle;
         }
@@ -5015,8 +4988,7 @@
 bool InputDispatcher::TouchState::isSlippery() const {
     // Must have exactly one foreground window.
     bool haveSlipperyForegroundWindow = false;
-    for (size_t i = 0; i < windows.size(); i++) {
-        const TouchedWindow& window = windows.itemAt(i);
+    for (const TouchedWindow& window : windows) {
         if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
             if (haveSlipperyForegroundWindow
                     || !(window.windowHandle->getInfo()->layoutParamsFlags
diff --git a/services/inputflinger/InputDispatcher.h b/services/inputflinger/InputDispatcher.h
index 24ae32f..4d2c216 100644
--- a/services/inputflinger/InputDispatcher.h
+++ b/services/inputflinger/InputDispatcher.h
@@ -23,8 +23,6 @@
 #include <input/InputTransport.h>
 #include <input/InputWindow.h>
 #include <input/ISetInputWindowsListener.h>
-#include <utils/KeyedVector.h>
-#include <utils/Vector.h>
 #include <utils/threads.h>
 #include <utils/Timers.h>
 #include <utils/RefBase.h>
@@ -315,7 +313,7 @@
      *
      * This method may be called on any thread (usually by the input manager).
      */
-    virtual void setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles,
+    virtual void setInputWindows(const std::vector<sp<InputWindowHandle> >& inputWindowHandles,
             int32_t displayId,
             const sp<ISetInputWindowsListener>& setInputWindowsListener = nullptr) = 0;
 
@@ -407,7 +405,7 @@
             int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
             uint32_t policyFlags);
 
-    virtual void setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles,
+    virtual void setInputWindows(const std::vector<sp<InputWindowHandle> >& inputWindowHandles,
             int32_t displayId,
             const sp<ISetInputWindowsListener>& setInputWindowsListener = nullptr);
     virtual void setFocusedApplication(int32_t displayId,
@@ -762,7 +760,7 @@
 
         // Synthesizes cancelation events for the current state and resets the tracked state.
         void synthesizeCancelationEvents(nsecs_t currentTime,
-                Vector<EventEntry*>& outEvents, const CancelationOptions& options);
+                std::vector<EventEntry*>& outEvents, const CancelationOptions& options);
 
         // Clears the current state.
         void clear();
@@ -815,8 +813,8 @@
             void setPointers(const MotionEntry* entry);
         };
 
-        Vector<KeyMemento> mKeyMementos;
-        Vector<MotionMemento> mMotionMementos;
+        std::vector<KeyMemento> mKeyMementos;
+        std::vector<MotionMemento> mMotionMementos;
         KeyedVector<int32_t, int32_t> mFallbackKeys;
 
         ssize_t findKeyMemento(const KeyEntry* entry) const;
@@ -941,7 +939,7 @@
     ssize_t getConnectionIndexLocked(const sp<InputChannel>& inputChannel) REQUIRES(mLock);
 
     // Input channels that will receive a copy of all input events sent to the provided display.
-    std::unordered_map<int32_t, Vector<sp<InputChannel>>> mMonitoringChannelsByDisplay
+    std::unordered_map<int32_t, std::vector<sp<InputChannel>>> mMonitoringChannelsByDisplay
             GUARDED_BY(mLock);
 
     // Event injection and synchronization.
@@ -998,10 +996,11 @@
     bool mDispatchFrozen GUARDED_BY(mLock);
     bool mInputFilterEnabled GUARDED_BY(mLock);
 
-    std::unordered_map<int32_t, Vector<sp<InputWindowHandle>>> mWindowHandlesByDisplay
+    std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>> mWindowHandlesByDisplay
             GUARDED_BY(mLock);
     // Get window handles by display, return an empty vector if not found.
-    Vector<sp<InputWindowHandle>> getWindowHandlesLocked(int32_t displayId) const REQUIRES(mLock);
+    std::vector<sp<InputWindowHandle>> getWindowHandlesLocked(int32_t displayId) const
+            REQUIRES(mLock);
     sp<InputWindowHandle> getWindowHandleLocked(const sp<IBinder>& windowHandleToken) const
             REQUIRES(mLock);
     sp<InputChannel> getInputChannelLocked(const sp<IBinder>& windowToken) const REQUIRES(mLock);
@@ -1023,12 +1022,12 @@
         int32_t deviceId; // id of the device that is currently down, others are rejected
         uint32_t source;  // source of the device that is current down, others are rejected
         int32_t displayId; // id to the display that currently has a touch, others are rejected
-        Vector<TouchedWindow> windows;
+        std::vector<TouchedWindow> windows;
 
         // This collects the portal windows that the touch has gone through. Each portal window
         // targets a display (embedded display for most cases). With this info, we can add the
         // monitoring channels of the displays touched.
-        Vector<sp<InputWindowHandle>> portalWindows;
+        std::vector<sp<InputWindowHandle>> portalWindows;
 
         TouchState();
         ~TouchState();
@@ -1069,7 +1068,7 @@
             nsecs_t currentTime, MotionEntry* entry,
             DropReason* dropReason, nsecs_t* nextWakeupTime) REQUIRES(mLock);
     void dispatchEventLocked(nsecs_t currentTime, EventEntry* entry,
-            const Vector<InputTarget>& inputTargets) REQUIRES(mLock);
+            const std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
 
     void logOutboundKeyDetails(const char* prefix, const KeyEntry* entry);
     void logOutboundMotionDetails(const char* prefix, const MotionEntry* entry);
@@ -1105,15 +1104,15 @@
 
     int32_t getTargetDisplayId(const EventEntry* entry);
     int32_t findFocusedWindowTargetsLocked(nsecs_t currentTime, const EventEntry* entry,
-            Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime) REQUIRES(mLock);
+            std::vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime) REQUIRES(mLock);
     int32_t findTouchedWindowTargetsLocked(nsecs_t currentTime, const MotionEntry* entry,
-            Vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
+            std::vector<InputTarget>& inputTargets, nsecs_t* nextWakeupTime,
             bool* outConflictingPointerActions) REQUIRES(mLock);
 
     void addWindowTargetLocked(const sp<InputWindowHandle>& windowHandle,
-            int32_t targetFlags, BitSet32 pointerIds, Vector<InputTarget>& inputTargets)
+            int32_t targetFlags, BitSet32 pointerIds, std::vector<InputTarget>& inputTargets)
             REQUIRES(mLock);
-    void addMonitoringTargetsLocked(Vector<InputTarget>& inputTargets, int32_t displayId,
+    void addMonitoringTargetsLocked(std::vector<InputTarget>& inputTargets, int32_t displayId,
             float xOffset = 0, float yOffset = 0) REQUIRES(mLock);
 
     void pokeUserActivityLocked(const EventEntry* eventEntry) REQUIRES(mLock);
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index a403f31..423b69c 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -229,23 +229,23 @@
 
 void QueuedInputListener::notifyConfigurationChanged(
         const NotifyConfigurationChangedArgs* args) {
-    mArgsQueue.push(new NotifyConfigurationChangedArgs(*args));
+    mArgsQueue.push_back(new NotifyConfigurationChangedArgs(*args));
 }
 
 void QueuedInputListener::notifyKey(const NotifyKeyArgs* args) {
-    mArgsQueue.push(new NotifyKeyArgs(*args));
+    mArgsQueue.push_back(new NotifyKeyArgs(*args));
 }
 
 void QueuedInputListener::notifyMotion(const NotifyMotionArgs* args) {
-    mArgsQueue.push(new NotifyMotionArgs(*args));
+    mArgsQueue.push_back(new NotifyMotionArgs(*args));
 }
 
 void QueuedInputListener::notifySwitch(const NotifySwitchArgs* args) {
-    mArgsQueue.push(new NotifySwitchArgs(*args));
+    mArgsQueue.push_back(new NotifySwitchArgs(*args));
 }
 
 void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
-    mArgsQueue.push(new NotifyDeviceResetArgs(*args));
+    mArgsQueue.push_back(new NotifyDeviceResetArgs(*args));
 }
 
 void QueuedInputListener::flush() {
diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index b0157a1..3996cca 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -103,14 +103,14 @@
     }
 };
 
-void InputManager::setInputWindows(const Vector<InputWindowInfo>& infos,
+void InputManager::setInputWindows(const std::vector<InputWindowInfo>& infos,
         const sp<ISetInputWindowsListener>& setInputWindowsListener) {
-    std::unordered_map<int32_t, Vector<sp<InputWindowHandle>>> handlesPerDisplay;
+    std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>> handlesPerDisplay;
 
-    Vector<sp<InputWindowHandle>> handles;
+    std::vector<sp<InputWindowHandle>> handles;
     for (const auto& info : infos) {
-        handlesPerDisplay.emplace(info.displayId, Vector<sp<InputWindowHandle>>());
-        handlesPerDisplay[info.displayId].add(new BinderWindowHandle(info));
+        handlesPerDisplay.emplace(info.displayId, std::vector<sp<InputWindowHandle>>());
+        handlesPerDisplay[info.displayId].push_back(new BinderWindowHandle(info));
     }
     for (auto const& i : handlesPerDisplay) {
         mDispatcher->setInputWindows(i.second, i.first, setInputWindowsListener);
diff --git a/services/inputflinger/InputManager.h b/services/inputflinger/InputManager.h
index ff9a080..e568df5 100644
--- a/services/inputflinger/InputManager.h
+++ b/services/inputflinger/InputManager.h
@@ -94,7 +94,7 @@
     virtual sp<InputClassifierInterface> getClassifier();
     virtual sp<InputDispatcherInterface> getDispatcher();
 
-    virtual void setInputWindows(const Vector<InputWindowInfo>& handles,
+    virtual void setInputWindows(const std::vector<InputWindowInfo>& handles,
             const sp<ISetInputWindowsListener>& setInputWindowsListener);
     virtual void transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken);
 
diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 21ba029..0cc37a0 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -287,7 +287,7 @@
     int32_t oldGeneration;
     int32_t timeoutMillis;
     bool inputDevicesChanged = false;
-    Vector<InputDeviceInfo> inputDevices;
+    std::vector<InputDeviceInfo> inputDevices;
     { // acquire lock
         AutoMutex _l(mLock);
 
@@ -590,12 +590,13 @@
     refreshConfigurationLocked(InputReaderConfiguration::CHANGE_EXTERNAL_STYLUS_PRESENCE);
 }
 
-void InputReader::getExternalStylusDevicesLocked(Vector<InputDeviceInfo>& outDevices) {
+void InputReader::getExternalStylusDevicesLocked(std::vector<InputDeviceInfo>& outDevices) {
     for (size_t i = 0; i < mDevices.size(); i++) {
         InputDevice* device = mDevices.valueAt(i);
         if (device->getClasses() & INPUT_DEVICE_CLASS_EXTERNAL_STYLUS && !device->isIgnored()) {
-            outDevices.push();
-            device->getDeviceInfo(&outDevices.editTop());
+            InputDeviceInfo info;
+            device->getDeviceInfo(&info);
+            outDevices.push_back(info);
         }
     }
 }
@@ -643,20 +644,21 @@
     return ++mGeneration;
 }
 
-void InputReader::getInputDevices(Vector<InputDeviceInfo>& outInputDevices) {
+void InputReader::getInputDevices(std::vector<InputDeviceInfo>& outInputDevices) {
     AutoMutex _l(mLock);
     getInputDevicesLocked(outInputDevices);
 }
 
-void InputReader::getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices) {
+void InputReader::getInputDevicesLocked(std::vector<InputDeviceInfo>& outInputDevices) {
     outInputDevices.clear();
 
     size_t numDevices = mDevices.size();
     for (size_t i = 0; i < numDevices; i++) {
         InputDevice* device = mDevices.valueAt(i);
         if (!device->isIgnored()) {
-            outInputDevices.push();
-            device->getDeviceInfo(&outInputDevices.editTop());
+            InputDeviceInfo info;
+            device->getDeviceInfo(&info);
+            outInputDevices.push_back(info);
         }
     }
 }
@@ -951,7 +953,7 @@
     return mReader->bumpGenerationLocked();
 }
 
-void InputReader::ContextImpl::getExternalStylusDevices(Vector<InputDeviceInfo>& outDevices) {
+void InputReader::ContextImpl::getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) {
     // lock is already held by whatever called refreshConfigurationLocked
     mReader->getExternalStylusDevicesLocked(outDevices);
 }
@@ -1031,11 +1033,11 @@
     dump += StringPrintf(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
     dump += StringPrintf(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
 
-    const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
-    if (!ranges.isEmpty()) {
+    const std::vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
+    if (!ranges.empty()) {
         dump += INDENT2 "Motion Ranges:\n";
         for (size_t i = 0; i < ranges.size(); i++) {
-            const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
+            const InputDeviceInfo::MotionRange& range = ranges[i];
             const char* label = getAxisLabel(range.axis);
             char name[32];
             if (label) {
@@ -1059,7 +1061,7 @@
 }
 
 void InputDevice::addMapper(InputMapper* mapper) {
-    mMappers.add(mapper);
+    mMappers.push_back(mapper);
 }
 
 void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) {
@@ -1110,9 +1112,7 @@
             }
         }
 
-        size_t numMappers = mMappers.size();
-        for (size_t i = 0; i < numMappers; i++) {
-            InputMapper* mapper = mMappers[i];
+        for (InputMapper* mapper : mMappers) {
             mapper->configure(when, config, changes);
             mSources |= mapper->getSources();
         }
@@ -1120,9 +1120,7 @@
 }
 
 void InputDevice::reset(nsecs_t when) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->reset(when);
     }
 
@@ -1137,7 +1135,6 @@
     // have side-effects that must be interleaved.  For example, joystick movement events and
     // gamepad button presses are handled by different mappers but they should be dispatched
     // in the order received.
-    size_t numMappers = mMappers.size();
     for (const RawEvent* rawEvent = rawEvents; count != 0; rawEvent++) {
 #if DEBUG_RAW_EVENTS
         ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%" PRId64,
@@ -1161,8 +1158,7 @@
             mDropUntilNextSync = true;
             reset(rawEvent->when);
         } else {
-            for (size_t i = 0; i < numMappers; i++) {
-                InputMapper* mapper = mMappers[i];
+            for (InputMapper* mapper : mMappers) {
                 mapper->process(rawEvent);
             }
         }
@@ -1171,17 +1167,13 @@
 }
 
 void InputDevice::timeoutExpired(nsecs_t when) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->timeoutExpired(when);
     }
 }
 
 void InputDevice::updateExternalStylusState(const StylusState& state) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->updateExternalStylusState(state);
     }
 }
@@ -1189,9 +1181,7 @@
 void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
     outDeviceInfo->initialize(mId, mGeneration, mControllerNumber, mIdentifier, mAlias,
             mIsExternal, mHasMic);
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->populateDeviceInfo(outDeviceInfo);
     }
 }
@@ -1210,9 +1200,7 @@
 
 int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc) {
     int32_t result = AKEY_STATE_UNKNOWN;
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
             // If any mapper reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
             // value.  Otherwise, return AKEY_STATE_UP as long as one mapper reports it.
@@ -1230,9 +1218,7 @@
 bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
         const int32_t* keyCodes, uint8_t* outFlags) {
     bool result = false;
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
             result |= mapper->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
         }
@@ -1242,50 +1228,39 @@
 
 void InputDevice::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
         int32_t token) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->vibrate(pattern, patternSize, repeat, token);
     }
 }
 
 void InputDevice::cancelVibrate(int32_t token) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->cancelVibrate(token);
     }
 }
 
 void InputDevice::cancelTouch(nsecs_t when) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->cancelTouch(when);
     }
 }
 
 int32_t InputDevice::getMetaState() {
     int32_t result = 0;
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         result |= mapper->getMetaState();
     }
     return result;
 }
 
 void InputDevice::updateMetaState(int32_t keyCode) {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        mMappers[i]->updateMetaState(keyCode);
+    for (InputMapper* mapper : mMappers) {
+        mapper->updateMetaState(keyCode);
     }
 }
 
 void InputDevice::fadePointer() {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         mapper->fadePointer();
     }
 }
@@ -1300,9 +1275,7 @@
 }
 
 std::optional<int32_t> InputDevice::getAssociatedDisplay() {
-    size_t numMappers = mMappers.size();
-    for (size_t i = 0; i < numMappers; i++) {
-        InputMapper* mapper = mMappers[i];
+    for (InputMapper* mapper : mMappers) {
         std::optional<int32_t> associatedDisplayId = mapper->getAssociatedDisplay();
         if (associatedDisplayId) {
             return associatedDisplayId;
@@ -2405,7 +2378,7 @@
         ssize_t keyDownIndex = findKeyDown(scanCode);
         if (keyDownIndex >= 0) {
             // key repeat, be sure to use same keycode as before in case of rotation
-            keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
+            keyCode = mKeyDowns[keyDownIndex].keyCode;
         } else {
             // key down
             if ((policyFlags & POLICY_FLAG_VIRTUAL)
@@ -2417,10 +2390,10 @@
                 mDevice->cancelTouch(when);
             }
 
-            mKeyDowns.push();
-            KeyDown& keyDown = mKeyDowns.editTop();
+            KeyDown keyDown;
             keyDown.keyCode = keyCode;
             keyDown.scanCode = scanCode;
+            mKeyDowns.push_back(keyDown);
         }
 
         mDownTime = when;
@@ -2429,8 +2402,8 @@
         ssize_t keyDownIndex = findKeyDown(scanCode);
         if (keyDownIndex >= 0) {
             // key up, be sure to use same keycode as before in case of rotation
-            keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
-            mKeyDowns.removeAt(size_t(keyDownIndex));
+            keyCode = mKeyDowns[keyDownIndex].keyCode;
+            mKeyDowns.erase(mKeyDowns.begin() + (size_t)keyDownIndex);
         } else {
             // key was not actually down
             ALOGI("Dropping key up from device %s because the key was not down.  "
@@ -3316,9 +3289,9 @@
 }
 
 void TouchInputMapper::resolveExternalStylusPresence() {
-    Vector<InputDeviceInfo> devices;
+    std::vector<InputDeviceInfo> devices;
     mContext->getExternalStylusDevices(devices);
-    mExternalStylusConnected = !devices.isEmpty();
+    mExternalStylusConnected = !devices.empty();
 
     if (!mExternalStylusConnected) {
         resetExternalStylus();
@@ -3967,7 +3940,7 @@
 }
 
 void TouchInputMapper::configureVirtualKeys() {
-    Vector<VirtualKeyDefinition> virtualKeyDefinitions;
+    std::vector<VirtualKeyDefinition> virtualKeyDefinitions;
     getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
 
     mVirtualKeys.clear();
@@ -3976,19 +3949,13 @@
         return;
     }
 
-    mVirtualKeys.setCapacity(virtualKeyDefinitions.size());
-
     int32_t touchScreenLeft = mRawPointerAxes.x.minValue;
     int32_t touchScreenTop = mRawPointerAxes.y.minValue;
     int32_t touchScreenWidth = mRawPointerAxes.getRawWidth();
     int32_t touchScreenHeight = mRawPointerAxes.getRawHeight();
 
-    for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
-        const VirtualKeyDefinition& virtualKeyDefinition =
-                virtualKeyDefinitions[i];
-
-        mVirtualKeys.add();
-        VirtualKey& virtualKey = mVirtualKeys.editTop();
+    for (const VirtualKeyDefinition& virtualKeyDefinition : virtualKeyDefinitions) {
+        VirtualKey virtualKey;
 
         virtualKey.scanCode = virtualKeyDefinition.scanCode;
         int32_t keyCode;
@@ -3998,8 +3965,7 @@
                                   &keyCode, &dummyKeyMetaState, &flags)) {
             ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
                     virtualKey.scanCode);
-            mVirtualKeys.pop(); // drop the key
-            continue;
+            continue; // drop the key
         }
 
         virtualKey.keyCode = keyCode;
@@ -4017,15 +3983,16 @@
                 * touchScreenHeight / mSurfaceHeight + touchScreenTop;
         virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
                 * touchScreenHeight / mSurfaceHeight + touchScreenTop;
+        mVirtualKeys.push_back(virtualKey);
     }
 }
 
 void TouchInputMapper::dumpVirtualKeys(std::string& dump) {
-    if (!mVirtualKeys.isEmpty()) {
+    if (!mVirtualKeys.empty()) {
         dump += INDENT3 "Virtual Keys:\n";
 
         for (size_t i = 0; i < mVirtualKeys.size(); i++) {
-            const VirtualKey& virtualKey = mVirtualKeys.itemAt(i);
+            const VirtualKey& virtualKey = mVirtualKeys[i];
             dump += StringPrintf(INDENT4 "%zu: scanCode=%d, keyCode=%d, "
                     "hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n",
                     i, virtualKey.scanCode, virtualKey.keyCode,
@@ -4364,12 +4331,13 @@
 }
 
 void TouchInputMapper::sync(nsecs_t when) {
-    const RawState* last = mRawStatesPending.isEmpty() ?
-            &mCurrentRawState : &mRawStatesPending.top();
+    const RawState* last = mRawStatesPending.empty() ?
+            &mCurrentRawState : &mRawStatesPending.back();
 
     // Push a new state.
-    mRawStatesPending.push();
-    RawState* next = &mRawStatesPending.editTop();
+    mRawStatesPending.emplace_back();
+
+    RawState* next = &mRawStatesPending.back();
     next->clear();
     next->when = when;
 
@@ -4436,7 +4404,7 @@
         cookAndDispatch(mCurrentRawState.when);
     }
     if (count != 0) {
-        mRawStatesPending.removeItemsAt(0, count);
+        mRawStatesPending.erase(mRawStatesPending.begin(), mRawStatesPending.begin() + count);
     }
 
     if (mExternalStylusDataPending) {
@@ -6623,12 +6591,9 @@
             && scaledY >= mPhysicalTop && scaledY <= mPhysicalTop + mPhysicalHeight;
 }
 
-const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(
-        int32_t x, int32_t y) {
-    size_t numVirtualKeys = mVirtualKeys.size();
-    for (size_t i = 0; i < numVirtualKeys; i++) {
-        const VirtualKey& virtualKey = mVirtualKeys[i];
+const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
 
+    for (const VirtualKey& virtualKey: mVirtualKeys) {
 #if DEBUG_VIRTUAL_KEYS
         ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
                 "left=%d, top=%d, right=%d, bottom=%d",
@@ -6838,9 +6803,7 @@
         return AKEY_STATE_VIRTUAL;
     }
 
-    size_t numVirtualKeys = mVirtualKeys.size();
-    for (size_t i = 0; i < numVirtualKeys; i++) {
-        const VirtualKey& virtualKey = mVirtualKeys[i];
+    for (const VirtualKey& virtualKey : mVirtualKeys) {
         if (virtualKey.keyCode == keyCode) {
             return AKEY_STATE_UP;
         }
@@ -6854,9 +6817,7 @@
         return AKEY_STATE_VIRTUAL;
     }
 
-    size_t numVirtualKeys = mVirtualKeys.size();
-    for (size_t i = 0; i < numVirtualKeys; i++) {
-        const VirtualKey& virtualKey = mVirtualKeys[i];
+    for (const VirtualKey& virtualKey : mVirtualKeys) {
         if (virtualKey.scanCode == scanCode) {
             return AKEY_STATE_UP;
         }
@@ -6867,10 +6828,7 @@
 
 bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
         const int32_t* keyCodes, uint8_t* outFlags) {
-    size_t numVirtualKeys = mVirtualKeys.size();
-    for (size_t i = 0; i < numVirtualKeys; i++) {
-        const VirtualKey& virtualKey = mVirtualKeys[i];
-
+    for (const VirtualKey& virtualKey : mVirtualKeys) {
         for (size_t i = 0; i < numCodes; i++) {
             if (virtualKey.keyCode == keyCodes[i]) {
                 outFlags[i] = 1;
diff --git a/services/inputflinger/InputReader.h b/services/inputflinger/InputReader.h
index fed55ac..9777779 100644
--- a/services/inputflinger/InputReader.h
+++ b/services/inputflinger/InputReader.h
@@ -90,7 +90,7 @@
     virtual void requestTimeoutAtTime(nsecs_t when) = 0;
     virtual int32_t bumpGeneration() = 0;
 
-    virtual void getExternalStylusDevices(Vector<InputDeviceInfo>& outDevices) = 0;
+    virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) = 0;
     virtual void dispatchExternalStylusState(const StylusState& outState) = 0;
 
     virtual InputReaderPolicyInterface* getPolicy() = 0;
@@ -124,7 +124,7 @@
 
     virtual void loopOnce();
 
-    virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices);
+    virtual void getInputDevices(std::vector<InputDeviceInfo>& outInputDevices);
 
     virtual bool isInputDeviceEnabled(int32_t deviceId);
 
@@ -166,7 +166,7 @@
         virtual void fadePointer();
         virtual void requestTimeoutAtTime(nsecs_t when);
         virtual int32_t bumpGeneration();
-        virtual void getExternalStylusDevices(Vector<InputDeviceInfo>& outDevices);
+        virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices);
         virtual void dispatchExternalStylusState(const StylusState& outState);
         virtual InputReaderPolicyInterface* getPolicy();
         virtual InputListenerInterface* getListener();
@@ -211,7 +211,7 @@
     int32_t getGlobalMetaStateLocked();
 
     void notifyExternalStylusPresenceChanged();
-    void getExternalStylusDevicesLocked(Vector<InputDeviceInfo>& outDevices);
+    void getExternalStylusDevicesLocked(std::vector<InputDeviceInfo>& outDevices);
     void dispatchExternalStylusState(const StylusState& state);
 
     void fadePointerLocked();
@@ -219,7 +219,7 @@
     int32_t mGeneration;
     int32_t bumpGenerationLocked();
 
-    void getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices);
+    void getInputDevicesLocked(std::vector<InputDeviceInfo>& outInputDevices);
 
     nsecs_t mDisableVirtualKeysTimeout;
     void disableVirtualKeysUntilLocked(nsecs_t time);
@@ -266,7 +266,7 @@
     inline void setMic(bool hasMic) { mHasMic = hasMic; }
     inline bool hasMic() const { return mHasMic; }
 
-    inline bool isIgnored() { return mMappers.isEmpty(); }
+    inline bool isIgnored() { return mMappers.empty(); }
 
     bool isEnabled();
     void setEnabled(bool enabled, nsecs_t when);
@@ -331,7 +331,7 @@
     std::string mAlias;
     uint32_t mClasses;
 
-    Vector<InputMapper*> mMappers;
+    std::vector<InputMapper*> mMappers;
 
     uint32_t mSources;
     bool mIsExternal;
@@ -877,7 +877,7 @@
     uint32_t mSource;
     int32_t mKeyboardType;
 
-    Vector<KeyDown> mKeyDowns; // keys that are down
+    std::vector<KeyDown> mKeyDowns; // keys that are down
     int32_t mMetaState;
     nsecs_t mDownTime; // time of most recent key down
 
@@ -1235,7 +1235,7 @@
         }
     };
 
-    Vector<RawState> mRawStatesPending;
+    std::vector<RawState> mRawStatesPending;
     RawState mCurrentRawState;
     CookedState mCurrentCookedState;
     RawState mLastRawState;
@@ -1262,7 +1262,7 @@
     // The pointer controller, or null if the device is not a pointer.
     sp<PointerControllerInterface> mPointerController;
 
-    Vector<VirtualKey> mVirtualKeys;
+    std::vector<VirtualKey> mVirtualKeys;
 
     virtual void configureParameters();
     virtual void dumpParameters(std::string& dump);
diff --git a/services/inputflinger/host/InputFlinger.h b/services/inputflinger/host/InputFlinger.h
index a00b5fb..d8b352c 100644
--- a/services/inputflinger/host/InputFlinger.h
+++ b/services/inputflinger/host/InputFlinger.h
@@ -40,7 +40,8 @@
     InputFlinger() ANDROID_API;
 
     virtual status_t dump(int fd, const Vector<String16>& args);
-    void setInputWindows(const Vector<InputWindowInfo>&, const sp<ISetInputWindowsListener>&) {}
+    void setInputWindows(const std::vector<InputWindowInfo>&,
+            const sp<ISetInputWindowsListener>&) {}
     void transferTouchFocus(const sp<IBinder>&, const sp<IBinder>&) {}
     void registerInputChannel(const sp<InputChannel>&) {}
     void unregisterInputChannel(const sp<InputChannel>&) {}
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index cd8caf7..b51dcb6 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -221,7 +221,7 @@
 
 private:
     sp<InputListenerInterface> mInnerListener;
-    Vector<NotifyArgs*> mArgsQueue;
+    std::vector<NotifyArgs*> mArgsQueue;
 };
 
 } // namespace android
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index fe1d4d0..8ad5dd0 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -74,7 +74,7 @@
      *
      * This method may be called on any thread (usually by the input manager).
      */
-    virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices) = 0;
+    virtual void getInputDevices(std::vector<InputDeviceInfo>& outInputDevices) = 0;
 
     /* Query current input state. */
     virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
@@ -333,7 +333,7 @@
     /* Notifies the input reader policy that some input devices have changed
      * and provides information about all current input devices.
      */
-    virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) = 0;
+    virtual void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) = 0;
 
     /* Gets the keyboard layout for a particular input device. */
     virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 3b6fe52..d63ff8c 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -571,8 +571,8 @@
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, mDispatcher, "Fake Window",
             ADISPLAY_ID_DEFAULT);
 
-    Vector<sp<InputWindowHandle>> inputWindowHandles;
-    inputWindowHandles.add(window);
+    std::vector<sp<InputWindowHandle>> inputWindowHandles;
+    inputWindowHandles.push_back(window);
 
     mDispatcher->setInputWindows(inputWindowHandles, ADISPLAY_ID_DEFAULT);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
@@ -591,9 +591,9 @@
     sp<FakeWindowHandle> windowSecond = new FakeWindowHandle(application, mDispatcher, "Second",
             ADISPLAY_ID_DEFAULT);
 
-    Vector<sp<InputWindowHandle>> inputWindowHandles;
-    inputWindowHandles.add(windowTop);
-    inputWindowHandles.add(windowSecond);
+    std::vector<sp<InputWindowHandle>> inputWindowHandles;
+    inputWindowHandles.push_back(windowTop);
+    inputWindowHandles.push_back(windowSecond);
 
     mDispatcher->setInputWindows(inputWindowHandles, ADISPLAY_ID_DEFAULT);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
@@ -617,9 +617,9 @@
 
     // Expect one focus window exist in display.
     windowSecond->setFocus();
-    Vector<sp<InputWindowHandle>> inputWindowHandles;
-    inputWindowHandles.add(windowTop);
-    inputWindowHandles.add(windowSecond);
+    std::vector<sp<InputWindowHandle>> inputWindowHandles;
+    inputWindowHandles.push_back(windowTop);
+    inputWindowHandles.push_back(windowSecond);
 
     mDispatcher->setInputWindows(inputWindowHandles, ADISPLAY_ID_DEFAULT);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
@@ -643,9 +643,9 @@
     // Display has two focused windows. Add them to inputWindowsHandles in z-order (top most first)
     windowTop->setFocus();
     windowSecond->setFocus();
-    Vector<sp<InputWindowHandle>> inputWindowHandles;
-    inputWindowHandles.add(windowTop);
-    inputWindowHandles.add(windowSecond);
+    std::vector<sp<InputWindowHandle>> inputWindowHandles;
+    inputWindowHandles.push_back(windowTop);
+    inputWindowHandles.push_back(windowSecond);
 
     mDispatcher->setInputWindows(inputWindowHandles, ADISPLAY_ID_DEFAULT);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
@@ -669,9 +669,9 @@
 
     windowTop->setFocus();
     windowSecond->setFocus();
-    Vector<sp<InputWindowHandle>> inputWindowHandles;
-    inputWindowHandles.add(windowTop);
-    inputWindowHandles.add(windowSecond);
+    std::vector<sp<InputWindowHandle>> inputWindowHandles;
+    inputWindowHandles.push_back(windowTop);
+    inputWindowHandles.push_back(windowSecond);
     // Release channel for window is no longer valid.
     windowTop->releaseChannel();
     mDispatcher->setInputWindows(inputWindowHandles, ADISPLAY_ID_DEFAULT);
@@ -695,8 +695,8 @@
         application1 = new FakeApplicationHandle();
         windowInPrimary = new FakeWindowHandle(application1, mDispatcher, "D_1",
                 ADISPLAY_ID_DEFAULT);
-        Vector<sp<InputWindowHandle>> inputWindowHandles;
-        inputWindowHandles.push(windowInPrimary);
+        std::vector<sp<InputWindowHandle>> inputWindowHandles;
+        inputWindowHandles.push_back(windowInPrimary);
         // Set focus window for primary display, but focused display would be second one.
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
         windowInPrimary->setFocus();
@@ -706,8 +706,8 @@
         windowInSecondary = new FakeWindowHandle(application2, mDispatcher, "D_2",
                 SECOND_DISPLAY_ID);
         // Set focus to second display window.
-        Vector<sp<InputWindowHandle>> inputWindowHandles_Second;
-        inputWindowHandles_Second.push(windowInSecondary);
+        std::vector<sp<InputWindowHandle>> inputWindowHandles_Second;
+        inputWindowHandles_Second.push_back(windowInSecondary);
         // Set focus display to second one.
         mDispatcher->setFocusedDisplay(SECOND_DISPLAY_ID);
         // Set focus window for second display.
@@ -762,7 +762,7 @@
     windowInSecondary->consumeEvent(AINPUT_EVENT_TYPE_KEY, ADISPLAY_ID_NONE);
 
     // Remove secondary display.
-    Vector<sp<InputWindowHandle>> noWindows;
+    std::vector<sp<InputWindowHandle>> noWindows;
     mDispatcher->setInputWindows(noWindows, SECOND_DISPLAY_ID);
 
     // Expect old focus should receive a cancel event.
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 80a55f1..d353028 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -158,7 +158,7 @@
 class FakeInputReaderPolicy : public InputReaderPolicyInterface {
     InputReaderConfiguration mConfig;
     KeyedVector<int32_t, sp<FakePointerController> > mPointerControllers;
-    Vector<InputDeviceInfo> mInputDevices;
+    std::vector<InputDeviceInfo> mInputDevices;
     std::vector<DisplayViewport> mViewports;
     TouchAffineTransformation transform;
 
@@ -226,7 +226,7 @@
         return &mConfig;
     }
 
-    const Vector<InputDeviceInfo>& getInputDevices() const {
+    const std::vector<InputDeviceInfo>& getInputDevices() const {
         return mInputDevices;
     }
 
@@ -280,7 +280,7 @@
         return mPointerControllers.valueFor(deviceId);
     }
 
-    virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) {
+    virtual void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) {
         mInputDevices = inputDevices;
     }
 
@@ -314,7 +314,7 @@
         KeyedVector<int32_t, KeyInfo> keysByScanCode;
         KeyedVector<int32_t, KeyInfo> keysByUsageCode;
         KeyedVector<int32_t, bool> leds;
-        Vector<VirtualKeyDefinition> virtualKeys;
+        std::vector<VirtualKeyDefinition> virtualKeys;
         bool enabled;
 
         status_t enable() {
@@ -482,7 +482,7 @@
 
     void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition) {
         Device* device = getDevice(deviceId);
-        device->virtualKeys.push(definition);
+        device->virtualKeys.push_back(definition);
     }
 
     void enqueueEvent(nsecs_t when, int32_t deviceId, int32_t type,
@@ -728,12 +728,12 @@
     }
 
     virtual void getVirtualKeyDefinitions(int32_t deviceId,
-            Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+            std::vector<VirtualKeyDefinition>& outVirtualKeys) const {
         outVirtualKeys.clear();
 
         Device* device = getDevice(deviceId);
         if (device) {
-            outVirtualKeys.appendVector(device->virtualKeys);
+            outVirtualKeys = device->virtualKeys;
         }
     }
 
@@ -842,7 +842,7 @@
         return ++mGeneration;
     }
 
-    virtual void getExternalStylusDevices(Vector<InputDeviceInfo>& outDevices) {
+    virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) {
 
     }
 
@@ -865,7 +865,7 @@
     KeyedVector<int32_t, int32_t> mKeyCodeStates;
     KeyedVector<int32_t, int32_t> mScanCodeStates;
     KeyedVector<int32_t, int32_t> mSwitchStates;
-    Vector<int32_t> mSupportedKeyCodes;
+    std::vector<int32_t> mSupportedKeyCodes;
     RawEvent mLastEvent;
 
     bool mConfigureWasCalled;
@@ -925,7 +925,7 @@
     }
 
     void addSupportedKeyCode(int32_t keyCode) {
-        mSupportedKeyCodes.add(keyCode);
+        mSupportedKeyCodes.push_back(keyCode);
     }
 
 private:
@@ -1309,7 +1309,7 @@
             0, nullptr)); // no classes so device will be ignored
 
 
-    Vector<InputDeviceInfo> inputDevices;
+    std::vector<InputDeviceInfo> inputDevices;
     mReader->getInputDevices(inputDevices);
 
     ASSERT_EQ(1U, inputDevices.size());
@@ -4436,7 +4436,7 @@
     ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_STYLUS, motionArgs.pointerProperties[0].toolType);
 
-    // airbrush
+    // air-brush
     processKey(mapper, BTN_TOOL_PENCIL, 0);
     processKey(mapper, BTN_TOOL_AIRBRUSH, 1);
     processSync(mapper);
@@ -5943,7 +5943,7 @@
     ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_STYLUS, motionArgs.pointerProperties[0].toolType);
 
-    // airbrush
+    // air-brush
     processKey(mapper, BTN_TOOL_PENCIL, 0);
     processKey(mapper, BTN_TOOL_AIRBRUSH, 1);
     processSync(mapper);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4c4a29b..77c8d10 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2906,13 +2906,13 @@
 }
 
 void SurfaceFlinger::updateInputWindowInfo() {
-    Vector<InputWindowInfo> inputHandles;
+    std::vector<InputWindowInfo> inputHandles;
 
     mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
         if (layer->hasInput()) {
             // When calculating the screen bounds we ignore the transparent region since it may
             // result in an unwanted offset.
-            inputHandles.add(layer->fillInputInfo());
+            inputHandles.push_back(layer->fillInputInfo());
         }
     });