diff --git a/service/ServiceConnectivityResources/res/values/config.xml b/service/ServiceConnectivityResources/res/values/config.xml
index bf32ad5..b22457a 100644
--- a/service/ServiceConnectivityResources/res/values/config.xml
+++ b/service/ServiceConnectivityResources/res/values/config.xml
@@ -114,4 +114,15 @@
     <!-- Whether to cancel network notifications automatically when tapped -->
     <bool name="config_autoCancelNetworkNotifications">true</bool>
 
+    <!-- When no internet or partial connectivity is detected on a network, and a high priority
+         (heads up) notification would be shown due to the network being explicitly selected,
+         directly show the dialog that would normally be shown when tapping the notification
+         instead of showing the notification. -->
+    <bool name="config_notifyNoInternetAsDialogWhenHighPriority">false</bool>
+
+    <!-- When showing notifications indicating partial connectivity, display the same notifications
+         as no connectivity instead. This may be easier to understand for users but offers less
+         details on what is happening. -->
+    <bool name="config_partialConnectivityNotifiedAsNoInternet">false</bool>
+
 </resources>
diff --git a/service/ServiceConnectivityResources/res/values/overlayable.xml b/service/ServiceConnectivityResources/res/values/overlayable.xml
index 6ac6a0e..5af13d7 100644
--- a/service/ServiceConnectivityResources/res/values/overlayable.xml
+++ b/service/ServiceConnectivityResources/res/values/overlayable.xml
@@ -32,6 +32,8 @@
             <item type="array" name="config_networkNotifySwitches"/>
             <item type="bool" name="config_ongoingSignInNotification"/>
             <item type="bool" name="config_autoCancelNetworkNotifications"/>
+            <item type="bool" name="config_notifyNoInternetAsDialogWhenHighPriority"/>
+            <item type="bool" name="config_partialConnectivityNotifiedAsNoInternet"/>
             <item type="drawable" name="stat_notify_wifi_in_range"/>
             <item type="drawable" name="stat_notify_rssi_in_range"/>
         </policy>
diff --git a/service/src/com/android/server/connectivity/NetworkNotificationManager.java b/service/src/com/android/server/connectivity/NetworkNotificationManager.java
index ae98d92..155f6c4 100644
--- a/service/src/com/android/server/connectivity/NetworkNotificationManager.java
+++ b/service/src/com/android/server/connectivity/NetworkNotificationManager.java
@@ -198,11 +198,22 @@
         }
 
         final Resources r = mResources.get();
+        if (highPriority && maybeNotifyViaDialog(r, notifyType, intent)) {
+            Log.d(TAG, "Notified via dialog for event " + nameOf(eventId));
+            return;
+        }
+
         final CharSequence title;
         final CharSequence details;
         Icon icon = Icon.createWithResource(
                 mResources.getResourcesContext(), getIcon(transportType));
-        if (notifyType == NotificationType.NO_INTERNET && transportType == TRANSPORT_WIFI) {
+        final boolean showAsNoInternet = notifyType == NotificationType.PARTIAL_CONNECTIVITY
+                && r.getBoolean(R.bool.config_partialConnectivityNotifiedAsNoInternet);
+        if (showAsNoInternet) {
+            Log.d(TAG, "Showing partial connectivity as NO_INTERNET");
+        }
+        if ((notifyType == NotificationType.NO_INTERNET || showAsNoInternet)
+                && transportType == TRANSPORT_WIFI) {
             title = r.getString(R.string.wifi_no_internet, name);
             details = r.getString(R.string.wifi_no_internet_detailed);
         } else if (notifyType == NotificationType.PRIVATE_DNS_BROKEN) {
@@ -306,6 +317,24 @@
         }
     }
 
+    private boolean maybeNotifyViaDialog(Resources res, NotificationType notifyType,
+            PendingIntent intent) {
+        if (notifyType != NotificationType.NO_INTERNET
+                && notifyType != NotificationType.PARTIAL_CONNECTIVITY) {
+            return false;
+        }
+        if (!res.getBoolean(R.bool.config_notifyNoInternetAsDialogWhenHighPriority)) {
+            return false;
+        }
+
+        try {
+            intent.send();
+        } catch (PendingIntent.CanceledException e) {
+            Log.e(TAG, "Error sending dialog PendingIntent", e);
+        }
+        return true;
+    }
+
     /**
      * Clear the notification with the given id, only if it matches the given type.
      */
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index a7f57e8..96ea761 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -58,6 +58,7 @@
     jarjar_rules: "jarjar-rules.txt",
     static_libs: [
         "androidx.test.rules",
+        "androidx.test.uiautomator",
         "bouncycastle-repackaged-unbundled",
         "core-tests-support",
         "FrameworksNetCommonTests",
diff --git a/tests/unit/AndroidManifest.xml b/tests/unit/AndroidManifest.xml
index 4c60ccf..887f171 100644
--- a/tests/unit/AndroidManifest.xml
+++ b/tests/unit/AndroidManifest.xml
@@ -53,6 +53,8 @@
     <application>
         <uses-library android:name="android.test.runner" />
         <uses-library android:name="android.net.ipsec.ike" />
+        <activity
+            android:name="com.android.server.connectivity.NetworkNotificationManagerTest$TestDialogActivity"/>
     </application>
 
     <instrumentation
diff --git a/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java b/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
index c1059b3..2cf5d8e 100644
--- a/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
+++ b/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
@@ -27,6 +27,7 @@
 import static com.android.server.connectivity.NetworkNotificationManager.NotificationType.SIGN_IN;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.clearInvocations;
@@ -39,9 +40,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.Activity;
+import android.app.Instrumentation;
+import android.app.KeyguardManager;
 import android.app.Notification;
 import android.app.NotificationManager;
+import android.app.PendingIntent;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
@@ -49,11 +55,19 @@
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.os.Build;
+import android.os.Bundle;
 import android.os.UserHandle;
 import android.telephony.TelephonyManager;
 import android.util.DisplayMetrics;
+import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
 import androidx.test.filters.SmallTest;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.uiautomator.UiDevice;
+import androidx.test.uiautomator.UiObject;
+import androidx.test.uiautomator.UiSelector;
 
 import com.android.connectivity.resources.R;
 import com.android.server.connectivity.NetworkNotificationManager.NotificationType;
@@ -84,6 +98,7 @@
     private static final String TEST_EXTRA_INFO = "extra";
     private static final int TEST_NOTIF_ID = 101;
     private static final String TEST_NOTIF_TAG = NetworkNotificationManager.tagFor(TEST_NOTIF_ID);
+    private static final long TEST_TIMEOUT_MS = 10_000L;
     static final NetworkCapabilities CELL_CAPABILITIES = new NetworkCapabilities();
     static final NetworkCapabilities WIFI_CAPABILITIES = new NetworkCapabilities();
     static final NetworkCapabilities VPN_CAPABILITIES = new NetworkCapabilities();
@@ -102,6 +117,25 @@
         VPN_CAPABILITIES.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN);
     }
 
+    /**
+     * Test activity that shows the action it was started with on screen, and dismisses when the
+     * text is tapped.
+     */
+    public static class TestDialogActivity extends Activity {
+        @Override
+        protected void onCreate(@Nullable Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            setTurnScreenOn(true);
+            getSystemService(KeyguardManager.class).requestDismissKeyguard(
+                    this, null /* callback */);
+
+            final TextView txt = new TextView(this);
+            txt.setText(getIntent().getAction());
+            txt.setOnClickListener(e -> finish());
+            setContentView(txt);
+        }
+    }
+
     @Mock Context mCtx;
     @Mock Resources mResources;
     @Mock DisplayMetrics mDisplayMetrics;
@@ -345,4 +379,82 @@
         mManager.clearNotification(id, PARTIAL_CONNECTIVITY);
         verify(mNotificationManager, never()).cancel(eq(tag), eq(PARTIAL_CONNECTIVITY.eventId));
     }
+
+    @Test
+    public void testNotifyNoInternetAsDialogWhenHighPriority() throws Exception {
+        doReturn(true).when(mResources).getBoolean(
+                R.bool.config_notifyNoInternetAsDialogWhenHighPriority);
+
+        mManager.showNotification(TEST_NOTIF_ID, NETWORK_SWITCH, mWifiNai, mCellNai, null, false);
+        // Non-"no internet" notifications are not affected
+        verify(mNotificationManager).notify(eq(TEST_NOTIF_TAG), eq(NETWORK_SWITCH.eventId), any());
+
+        final Instrumentation instr = InstrumentationRegistry.getInstrumentation();
+        final Context ctx = instr.getContext();
+        final String testAction = "com.android.connectivity.coverage.TEST_DIALOG";
+        final Intent intent = new Intent(testAction)
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                .setClassName(ctx.getPackageName(), TestDialogActivity.class.getName());
+        final PendingIntent pendingIntent = PendingIntent.getActivity(ctx, 0 /* requestCode */,
+                intent, PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE);
+
+        mManager.showNotification(TEST_NOTIF_ID, NO_INTERNET, mWifiNai, null /* switchToNai */,
+                pendingIntent, true /* highPriority */);
+
+        // Previous notifications are still dismissed
+        verify(mNotificationManager).cancel(TEST_NOTIF_TAG, NETWORK_SWITCH.eventId);
+
+        // Verify that the activity is shown (the activity shows the action on screen)
+        final UiObject actionText = UiDevice.getInstance(instr).findObject(
+                new UiSelector().text(testAction));
+        assertTrue("Activity not shown", actionText.waitForExists(TEST_TIMEOUT_MS));
+
+        // Tapping the text should dismiss the dialog
+        actionText.click();
+        assertTrue("Activity not dismissed", actionText.waitUntilGone(TEST_TIMEOUT_MS));
+
+        // Verify no NO_INTERNET notification was posted
+        verify(mNotificationManager, never()).notify(any(), eq(NO_INTERNET.eventId), any());
+    }
+
+    private void doNotificationTextTest(NotificationType type, @StringRes int expectedTitleRes,
+            String expectedTitleArg, @StringRes int expectedContentRes) {
+        final String expectedTitle = "title " + expectedTitleArg;
+        final String expectedContent = "expected content";
+        doReturn(expectedTitle).when(mResources).getString(expectedTitleRes, expectedTitleArg);
+        doReturn(expectedContent).when(mResources).getString(expectedContentRes);
+
+        mManager.showNotification(TEST_NOTIF_ID, type, mWifiNai, mCellNai, null, false);
+        final ArgumentCaptor<Notification> notifCap = ArgumentCaptor.forClass(Notification.class);
+
+        verify(mNotificationManager).notify(eq(TEST_NOTIF_TAG), eq(type.eventId),
+                notifCap.capture());
+        final Notification notif = notifCap.getValue();
+
+        assertEquals(expectedTitle, notif.extras.getString(Notification.EXTRA_TITLE));
+        assertEquals(expectedContent, notif.extras.getString(Notification.EXTRA_TEXT));
+    }
+
+    @Test
+    public void testNotificationText_NoInternet() {
+        doNotificationTextTest(NO_INTERNET,
+                R.string.wifi_no_internet, TEST_EXTRA_INFO,
+                R.string.wifi_no_internet_detailed);
+    }
+
+    @Test
+    public void testNotificationText_Partial() {
+        doNotificationTextTest(PARTIAL_CONNECTIVITY,
+                R.string.network_partial_connectivity, TEST_EXTRA_INFO,
+                R.string.network_partial_connectivity_detailed);
+    }
+
+    @Test
+    public void testNotificationText_PartialAsNoInternet() {
+        doReturn(true).when(mResources).getBoolean(
+                R.bool.config_partialConnectivityNotifiedAsNoInternet);
+        doNotificationTextTest(PARTIAL_CONNECTIVITY,
+                R.string.wifi_no_internet, TEST_EXTRA_INFO,
+                R.string.wifi_no_internet_detailed);
+    }
 }