diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b0d988c..0f3285e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -22,6 +22,7 @@
     <uses-permission android:name="android.permission.WRITE_CONTACTS" />
     <uses-permission android:name="android.permission.READ_CALL_LOG" />
     <uses-permission android:name="android.permission.WRITE_CALL_LOG" />
+    <uses-permission android:name="android.permission.READ_PROFILE" />
     <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
diff --git a/res/layout/dialpad.xml b/res/layout/dialpad.xml
index bc910db..4fc3e83 100644
--- a/res/layout/dialpad.xml
+++ b/res/layout/dialpad.xml
@@ -40,7 +40,7 @@
             android:focusable="true" >
             <LinearLayout
                 android:layout_width="wrap_content"
-                android:layout_height="match_parent"
+                android:layout_height="wrap_content"
                 android:layout_gravity="center" >
                 <TextView
                     android:id="@+id/dialpad_key_number"
diff --git a/res/layout/dialpad_key.xml b/res/layout/dialpad_key.xml
index e87fde0..c104f8a 100644
--- a/res/layout/dialpad_key.xml
+++ b/res/layout/dialpad_key.xml
@@ -22,7 +22,7 @@
     android:focusable="true" >
     <LinearLayout
         android:layout_width="wrap_content"
-        android:layout_height="match_parent"
+        android:layout_height="wrap_content"
         android:layout_gravity="center">
       <TextView
           android:id="@+id/dialpad_key_number"
diff --git a/res/values-ar/strings.xml b/res/values-ar/strings.xml
index 9998c6f..5b60eb9 100644
--- a/res/values-ar/strings.xml
+++ b/res/values-ar/strings.xml
@@ -125,13 +125,13 @@
     <string name="dialerDialpadHintText" msgid="5824490365898349041">"طلب لإضافة مكالمة"</string>
     <string name="callDetailsDurationFormat" msgid="8157706382818184268">"عدد الدقائق:<xliff:g id="MINUTES">%s</xliff:g>، عددالثواني: <xliff:g id="SECONDS">%s</xliff:g>"</string>
     <string name="dialog_phone_call_prohibited_message" msgid="6554711866586660441">"لم يتم إرسال المكالمة"</string>
-    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"لإعداد البريد الصوتي، انتقل إلى القائمة &gt; الإعدادات."</string>
+    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"‏لإعداد البريد الصوتي، انتقل إلى القائمة &gt; الإعدادات."</string>
     <string name="dialog_voicemail_airplane_mode_message" msgid="530922773669546093">"للاتصال بالبريد الصوتي، يجب أولاً إيقاف وضع الطائرة."</string>
     <string name="contact_list_loading" msgid="5488620820563977329">"جارٍ التحميل..."</string>
     <string name="imei" msgid="3045126336951684285">"IMEI"</string>
     <string name="meid" msgid="6210568493746275750">"MEID"</string>
-    <string name="simContacts_emptyLoading" msgid="6700035985448642408">"جارٍ التحميل من بطاقة SIM…"</string>
-    <string name="simContacts_title" msgid="27341688347689769">"بطاقة SIM وجهات الاتصال"</string>
+    <string name="simContacts_emptyLoading" msgid="6700035985448642408">"‏جارٍ التحميل من بطاقة SIM…"</string>
+    <string name="simContacts_title" msgid="27341688347689769">"‏بطاقة SIM وجهات الاتصال"</string>
     <string name="add_contact_not_available" msgid="1419207765446461366">"أعد تمكين تطبيق الأشخاص لاستخدام هذه الميزة."</string>
     <string name="dialer_hint_find_contact" msgid="8798845521253672403">"أدخل اسمًا أو رقم هاتف"</string>
     <string name="call_log_all_title" msgid="3566738938889333307">"الكل"</string>
diff --git a/res/values-fa/strings.xml b/res/values-fa/strings.xml
index d7df7f6..ab95711 100644
--- a/res/values-fa/strings.xml
+++ b/res/values-fa/strings.xml
@@ -125,7 +125,7 @@
     <string name="dialerDialpadHintText" msgid="5824490365898349041">"شماره گیری برای افزودن یک تماس"</string>
     <string name="callDetailsDurationFormat" msgid="8157706382818184268">"<xliff:g id="MINUTES">%s</xliff:g> دقیقه و <xliff:g id="SECONDS">%s</xliff:g> ثانیه"</string>
     <string name="dialog_phone_call_prohibited_message" msgid="6554711866586660441">"تماس ارسال نشد"</string>
-    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"برای راه‌اندازی پست صوتی به منو &gt; تنظیمات بروید."</string>
+    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"‏برای راه‌اندازی پست صوتی به منو &gt; تنظیمات بروید."</string>
     <string name="dialog_voicemail_airplane_mode_message" msgid="530922773669546093">"برای تماس با پست صوتی، ابتدا حالت هواپیما را غیرفعال کنید."</string>
     <string name="contact_list_loading" msgid="5488620820563977329">"در حال بارگیری..."</string>
     <string name="imei" msgid="3045126336951684285">"IMEI"</string>
diff --git a/res/values-hi/strings.xml b/res/values-hi/strings.xml
index f6d2a3d..00e87fa 100644
--- a/res/values-hi/strings.xml
+++ b/res/values-hi/strings.xml
@@ -132,7 +132,7 @@
     <string name="meid" msgid="6210568493746275750">"MEID"</string>
     <string name="simContacts_emptyLoading" msgid="6700035985448642408">"सिम कार्ड से लोड हो रहा है…"</string>
     <string name="simContacts_title" msgid="27341688347689769">"सिम कार्ड के संपर्क"</string>
-    <string name="add_contact_not_available" msgid="1419207765446461366">"इस सुविधा का उपयोग करने के लिए लोग एप्स को पुन: सक्षम करें."</string>
+    <string name="add_contact_not_available" msgid="1419207765446461366">"इस सुविधा का उपयोग करने के लिए लोग ऐप्स  को पुन: सक्षम करें."</string>
     <string name="dialer_hint_find_contact" msgid="8798845521253672403">"नाम या फ़ोन नंबर लिखें"</string>
     <string name="call_log_all_title" msgid="3566738938889333307">"सभी"</string>
     <string name="call_log_missed_title" msgid="4541142293870638971">"छूटे हुए"</string>
diff --git a/res/values-iw/strings.xml b/res/values-iw/strings.xml
index 90c2ed6..5a8df3ac 100644
--- a/res/values-iw/strings.xml
+++ b/res/values-iw/strings.xml
@@ -125,13 +125,13 @@
     <string name="dialerDialpadHintText" msgid="5824490365898349041">"חייג כדי להוסיף שיחה"</string>
     <string name="callDetailsDurationFormat" msgid="8157706382818184268">"<xliff:g id="MINUTES">%s</xliff:g> דקות <xliff:g id="SECONDS">%s</xliff:g> שניות"</string>
     <string name="dialog_phone_call_prohibited_message" msgid="6554711866586660441">"השיחה לא נשלחה."</string>
-    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"כדי להגדיר את הדואר הקולי, עבור אל \'תפריט\' &gt; \'הגדרות\'."</string>
+    <string name="dialog_voicemail_not_ready_message" msgid="4384716252789515378">"‏כדי להגדיר את הדואר הקולי, עבור אל \'תפריט\' &gt; \'הגדרות\'."</string>
     <string name="dialog_voicemail_airplane_mode_message" msgid="530922773669546093">"כדי להתקשר לדואר קולי, ראשית כבה את מצב הטיסה."</string>
     <string name="contact_list_loading" msgid="5488620820563977329">"טוען..."</string>
     <string name="imei" msgid="3045126336951684285">"IMEI"</string>
     <string name="meid" msgid="6210568493746275750">"MEID"</string>
-    <string name="simContacts_emptyLoading" msgid="6700035985448642408">"טוען מכרטיס SIM…"</string>
-    <string name="simContacts_title" msgid="27341688347689769">"אנשי קשר בכרטיס SIM"</string>
+    <string name="simContacts_emptyLoading" msgid="6700035985448642408">"‏טוען מכרטיס SIM…"</string>
+    <string name="simContacts_title" msgid="27341688347689769">"‏אנשי קשר בכרטיס SIM"</string>
     <string name="add_contact_not_available" msgid="1419207765446461366">"הפעל מחדש את אפליקציית אנשי הקשר כדי להשתמש בתכונה זו."</string>
     <string name="dialer_hint_find_contact" msgid="8798845521253672403">"הקלד שם או מספר טלפון"</string>
     <string name="call_log_all_title" msgid="3566738938889333307">"הכול"</string>
diff --git a/res/values/animation_constants.xml b/res/values/animation_constants.xml
index b41b316..4e4bc36 100644
--- a/res/values/animation_constants.xml
+++ b/res/values/animation_constants.xml
@@ -24,7 +24,7 @@
     <integer name="max_dismiss_velocity">2000</integer>
     <integer name="snap_animation_duration">350</integer>
     <integer name="swipe_scroll_slop">2</integer>
-    <dimen name="min_swipe">5dip</dimen>
+    <dimen name="min_swipe">0dip</dimen>
     <dimen name="min_vert">10dip</dimen>
     <dimen name="min_lock">20dip</dimen>
 </resources>
diff --git a/src/com/android/dialer/CallDetailActivity.java b/src/com/android/dialer/CallDetailActivity.java
index b0c8e68..a24940d 100644
--- a/src/com/android/dialer/CallDetailActivity.java
+++ b/src/com/android/dialer/CallDetailActivity.java
@@ -17,11 +17,13 @@
 package com.android.dialer;
 
 import android.app.Activity;
+import android.app.LoaderManager.LoaderCallbacks;
 import android.content.ContentResolver;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
+import android.content.Loader;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.graphics.drawable.Drawable;
@@ -30,9 +32,10 @@
 import android.os.Bundle;
 import android.provider.CallLog;
 import android.provider.CallLog.Calls;
-import android.provider.Contacts.Intents.Insert;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.provider.ContactsContract.Contacts;
+import android.provider.ContactsContract.DisplayNameSources;
+import android.provider.ContactsContract.Intents.Insert;
 import android.provider.VoicemailContract.Voicemails;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.TelephonyManager;
@@ -54,6 +57,8 @@
 import com.android.contacts.common.CallUtil;
 import com.android.contacts.common.ClipboardUtils;
 import com.android.contacts.common.GeoUtil;
+import com.android.contacts.common.model.Contact;
+import com.android.contacts.common.model.ContactLoader;
 import com.android.contacts.common.util.UriUtils;
 import com.android.dialer.BackScrollManager.ScrollableHeader;
 import com.android.dialer.calllog.CallDetailHistoryAdapter;
@@ -80,6 +85,9 @@
 public class CallDetailActivity extends Activity implements ProximitySensorAware {
     private static final String TAG = "CallDetail";
 
+    private static final int LOADER_ID = 0;
+    private static final String BUNDLE_CONTACT_URI_EXTRA = "contact_uri_extra";
+
     private static final char LEFT_TO_RIGHT_EMBEDDING = '\u202A';
     private static final char POP_DIRECTIONAL_FORMATTING = '\u202C';
 
@@ -252,6 +260,35 @@
         }
     };
 
+    private final LoaderCallbacks<Contact> mLoaderCallbacks = new LoaderCallbacks<Contact>() {
+        @Override
+        public void onLoaderReset(Loader<Contact> loader) {
+        }
+
+        @Override
+        public void onLoadFinished(Loader<Contact> loader, Contact data) {
+            final Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
+            intent.setType(Contacts.CONTENT_ITEM_TYPE);
+            if (data.getDisplayNameSource() >= DisplayNameSources.ORGANIZATION) {
+                intent.putExtra(Insert.NAME, data.getDisplayName());
+            }
+            intent.putExtra(Insert.DATA, data.getContentValues());
+            bindContactPhotoAction(intent, R.drawable.ic_add_contact_holo_dark,
+                    getString(R.string.description_add_contact));
+        }
+
+        @Override
+        public Loader<Contact> onCreateLoader(int id, Bundle args) {
+            final Uri contactUri = args.getParcelable(BUNDLE_CONTACT_URI_EXTRA);
+            if (contactUri == null) {
+                Log.wtf(TAG, "No contact lookup uri provided.");
+            }
+            return new ContactLoader(CallDetailActivity.this, contactUri,
+                    false /* loadGroupMetaData */, false /* loadInvitableAccountTypes */,
+                    false /* postViewNotification */, true /* computeFormattedPhoneNumber */);
+        }
+    };
+
     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);
@@ -452,6 +489,8 @@
                     nameOrNumber = firstDetails.number;
                 }
 
+                boolean skipBind = false;
+
                 if (contactUri != null && !UriUtils.isEncodedContactUri(contactUri)) {
                     mainActionIntent = new Intent(Intent.ACTION_VIEW, contactUri);
                     // This will launch People's detail contact screen, so we probably want to
@@ -461,6 +500,14 @@
                     mainActionIcon = R.drawable.ic_contacts_holo_dark;
                     mainActionDescription =
                             getString(R.string.description_view_contact, nameOrNumber);
+                } else if (UriUtils.isEncodedContactUri(contactUri)) {
+                    final Bundle bundle = new Bundle(1);
+                    bundle.putParcelable(BUNDLE_CONTACT_URI_EXTRA, contactUri);
+                    getLoaderManager().initLoader(LOADER_ID, bundle, mLoaderCallbacks);
+                    mainActionIntent = null;
+                    mainActionIcon = R.drawable.ic_add_contact_holo_dark;
+                    mainActionDescription = getString(R.string.description_add_contact);
+                    skipBind = true;
                 } else if (isVoicemailNumber) {
                     mainActionIntent = null;
                     mainActionIcon = 0;
@@ -485,31 +532,16 @@
                     mainActionIcon = R.drawable.ic_add_contact_holo_dark;
                     mainActionDescription = getString(R.string.description_add_contact);
                 } else {
-                    // If we cannot call the number, when we probably cannot add it as a contact either.
-                    // This is usually the case of private, unknown, or payphone numbers.
+                    // If we cannot call the number, when we probably cannot add it as a contact
+                    // either. This is usually the case of private, unknown, or payphone numbers.
                     mainActionIntent = null;
                     mainActionIcon = 0;
                     mainActionDescription = null;
                 }
 
-                if (mainActionIntent == null) {
-                    mMainActionView.setVisibility(View.INVISIBLE);
-                    mMainActionPushLayerView.setVisibility(View.GONE);
-                    mHeaderTextView.setVisibility(View.INVISIBLE);
-                    mHeaderOverlayView.setVisibility(View.INVISIBLE);
-                } else {
-                    mMainActionView.setVisibility(View.VISIBLE);
-                    mMainActionView.setImageResource(mainActionIcon);
-                    mMainActionPushLayerView.setVisibility(View.VISIBLE);
-                    mMainActionPushLayerView.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View v) {
-                            startActivity(mainActionIntent);
-                        }
-                    });
-                    mMainActionPushLayerView.setContentDescription(mainActionDescription);
-                    mHeaderTextView.setVisibility(View.VISIBLE);
-                    mHeaderOverlayView.setVisibility(View.VISIBLE);
+                if (!skipBind) {
+                    bindContactPhotoAction(mainActionIntent, mainActionIcon,
+                            mainActionDescription);
                 }
 
                 // This action allows to call the number that places the call.
@@ -597,6 +629,29 @@
         mAsyncTaskExecutor.submit(Tasks.UPDATE_PHONE_CALL_DETAILS, new UpdateContactDetailsTask());
     }
 
+    private void bindContactPhotoAction(final Intent actionIntent, int actionIcon,
+            String actionDescription) {
+        if (actionIntent == null) {
+            mMainActionView.setVisibility(View.INVISIBLE);
+            mMainActionPushLayerView.setVisibility(View.GONE);
+            mHeaderTextView.setVisibility(View.INVISIBLE);
+            mHeaderOverlayView.setVisibility(View.INVISIBLE);
+        } else {
+            mMainActionView.setVisibility(View.VISIBLE);
+            mMainActionView.setImageResource(actionIcon);
+            mMainActionPushLayerView.setVisibility(View.VISIBLE);
+            mMainActionPushLayerView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    startActivity(actionIntent);
+                }
+            });
+            mMainActionPushLayerView.setContentDescription(actionDescription);
+            mHeaderTextView.setVisibility(View.VISIBLE);
+            mHeaderOverlayView.setVisibility(View.VISIBLE);
+        }
+    }
+
     /** Return the phone call details for a given call log URI. */
     private PhoneCallDetails getPhoneCallDetailsForUri(Uri callUri) {
         ContentResolver resolver = getContentResolver();
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 82d5c3f..faf63cd 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -852,7 +852,6 @@
         }
         // Go all the way back to the favorites fragment, regardless of how many times we
         // transitioned between search fragments
-        final BackStackEntry entry = getFragmentManager().getBackStackEntryAt(0);
         getFragmentManager().popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
         setNotInSearchUi();
     }
diff --git a/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java b/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
index 52435aa..8af3b82 100644
--- a/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
+++ b/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
@@ -150,7 +150,7 @@
                 DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_SHOW_YEAR);
         dateView.setText(dateValue);
         // Set the duration
-        if (callType == Calls.MISSED_TYPE || callType == Calls.VOICEMAIL_TYPE) {
+        if (Calls.VOICEMAIL_TYPE == callType || CallTypeHelper.isMissedCallType(callType)) {
             durationView.setVisibility(View.GONE);
         } else {
             durationView.setVisibility(View.VISIBLE);
diff --git a/src/com/android/dialer/calllog/CallLogGroupBuilder.java b/src/com/android/dialer/calllog/CallLogGroupBuilder.java
index 1e4684e..213f1e7 100644
--- a/src/com/android/dialer/calllog/CallLogGroupBuilder.java
+++ b/src/com/android/dialer/calllog/CallLogGroupBuilder.java
@@ -78,8 +78,7 @@
                 shouldGroup = false;
             } else {
                 // Incoming, outgoing, and missed calls group together.
-                shouldGroup = (callType == Calls.INCOMING_TYPE || callType == Calls.OUTGOING_TYPE ||
-                        callType == Calls.MISSED_TYPE);
+                shouldGroup = callType != Calls.VOICEMAIL_TYPE;
             }
 
             if (shouldGroup) {
diff --git a/src/com/android/dialer/calllog/CallTypeHelper.java b/src/com/android/dialer/calllog/CallTypeHelper.java
index 0f9b737..1c4f44f 100644
--- a/src/com/android/dialer/calllog/CallTypeHelper.java
+++ b/src/com/android/dialer/calllog/CallTypeHelper.java
@@ -64,7 +64,7 @@
                 return mVoicemailName;
 
             default:
-                throw new IllegalArgumentException("invalid call type: " + callType);
+                return mMissedName;
         }
     }
 
@@ -86,7 +86,15 @@
                 return mNewVoicemailColor;
 
             default:
-                throw new IllegalArgumentException("invalid call type: " + callType);
+                // Don't highlight calls of unknown types. They are treated as missed calls by
+                // the rest of the UI, but since they will never be marked as read by
+                // {@link CallLogQueryHandler}, just don't ever highlight them anyway.
+                return null;
         }
     }
+
+    public static boolean isMissedCallType(int callType) {
+        return (callType != Calls.INCOMING_TYPE && callType != Calls.OUTGOING_TYPE &&
+                callType != Calls.VOICEMAIL_TYPE);
+    }
 }
diff --git a/src/com/android/dialer/calllog/CallTypeIconsView.java b/src/com/android/dialer/calllog/CallTypeIconsView.java
index e835128..a65f2c2 100644
--- a/src/com/android/dialer/calllog/CallTypeIconsView.java
+++ b/src/com/android/dialer/calllog/CallTypeIconsView.java
@@ -86,7 +86,11 @@
             case Calls.VOICEMAIL_TYPE:
                 return mResources.voicemail;
             default:
-                throw new IllegalArgumentException("invalid call type: " + callType);
+                // It is possible for users to end up with calls with unknown call types in their
+                // call history, possibly due to 3rd party call log implementations (e.g. to
+                // distinguish between rejected and missed calls). Instead of crashing, just
+                // assume that all unknown call types are missed calls.
+                return mResources.missed;
         }
     }
 
diff --git a/src/com/android/dialer/dialpad/SmartDialCursorLoader.java b/src/com/android/dialer/dialpad/SmartDialCursorLoader.java
index a13ecd8..3690796 100644
--- a/src/com/android/dialer/dialpad/SmartDialCursorLoader.java
+++ b/src/com/android/dialer/dialpad/SmartDialCursorLoader.java
@@ -162,6 +162,8 @@
     }
 
     private void releaseResources(Cursor cursor) {
-        cursor.close();
+        if (cursor != null) {
+            cursor.close();
+        }
     }
 }