Updated AppCompat, resolved no-longer-existing resource issue. Resolves #960.

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.0.0-beta2'
+        classpath 'com.android.tools.build:gradle:2.0.0-beta5'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.12.0'
     }

core/build.gradle

@@ -21,10 +21,10 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:23.1.1'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:recyclerview-v7:23.1.1'
-    compile 'com.android.support:support-annotations:23.1.1'
+    compile 'com.android.support:support-v4:23.2.0'
+    compile 'com.android.support:appcompat-v7:23.2.0'
+    compile 'com.android.support:recyclerview-v7:23.2.0'
+    compile 'com.android.support:support-annotations:23.2.0'
     compile 'me.zhanghai.android.materialprogressbar:library:1.1.4'
 }
 

core/src/main/res/drawable/md_nav_back.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M20,11H7.83l5.59,-5.59L12,4l-8,8 8,8 1.41,-1.41L7.83,13H20v-2z"/>
+</vector>

core/src/main/res/values-v11/styles.xml

@@ -13,7 +13,7 @@
         <item name="md_btn_negative_selector">@drawable/md_btn_selector</item>
 
         <item name="android:actionModeBackground">@color/primary_material_dark</item>
-        <item name="android:actionModeCloseDrawable">@drawable/abc_ic_ab_back_mtrl_am_alpha</item>
+        <item name="android:actionModeCloseDrawable">@drawable/md_nav_back</item>
 
         <item name="android:windowAnimationStyle">@style/MD_WindowAnimation</item>
         <item name="android:backgroundDimEnabled">true</item>
@@ -31,7 +31,7 @@
         <item name="md_btn_negative_selector">@drawable/md_btn_selector_dark</item>
 
         <item name="android:actionModeBackground">@color/primary_material_dark</item>
-        <item name="android:actionModeCloseDrawable">@drawable/abc_ic_ab_back_mtrl_am_alpha</item>
+        <item name="android:actionModeCloseDrawable">@drawable/md_nav_back</item>
 
         <item name="android:windowAnimationStyle">@style/MD_WindowAnimation</item>
         <item name="android:backgroundDimEnabled">true</item>