Updated to Android 5.0, updated gradle.

app/build.gradle

@@ -15,13 +15,13 @@ dependencies {
 }
 
 android {
-    compileSdkVersion "android-20"
-    buildToolsVersion "20.0.0"
+    compileSdkVersion 21
+    buildToolsVersion "19.1.0"
 
     defaultConfig {
         applicationId "com.nutomic.ensichat"
         minSdkVersion 15
-        targetSdkVersion 20
+        targetSdkVersion 21
         versionCode 1
         versionName "0.1.0"
     }

app/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@android:style/Theme.Holo.Light.DarkActionBar" >
+        android:theme="@style/AppTheme" >
         <activity
             android:name=".activities.MainActivity"
             android:label="@string/app_name" >

app/src/main/res/values-v21/style.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="@android:style/Theme.Material.Light.DarkActionBar" />
+</resources>

app/src/main/res/values/style.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="@android:style/Theme.Holo.Light.DarkActionBar" />
+</resources>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.12.2'
+        classpath 'com.android.tools.build:gradle:0.13.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.12-all.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-2.1-all.zip