Update Andoird SDK to v2.2.0

src/android/res/drawable-hdpi/jpush_richpush_btn_selector.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?> 
+<selector xmlns:android="http://schemas.android.com/apk/res/android" > 
+    <!-- 获得焦点但未按下时的背景图片 --> 
+    <item 
+        android:state_focused="true" 
+        android:state_enabled="true" 
+        android:state_pressed="false" 
+        android:drawable="@drawable/jpush_ic_richpush_actionbar_back" />
+     <!-- 按下时的背景图片 --> 
+    <item 
+        android:state_enabled="true" 
+        android:state_pressed="true" 
+        android:drawable="@android:color/darker_gray" /> 
+    <!-- 按下时的背景图片 --> 
+    <item 
+        android:state_enabled="true" 
+        android:state_checked="true" 
+        android:drawable="@android:color/darker_gray" /> 
+    <!-- 默认时的背景图片 --> 
+    <item android:drawable="@drawable/jpush_ic_richpush_actionbar_back" />
+</selector> 

src/android/res/drawable-hdpi/jpush_richpush_progressbar.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <!-- 背景  gradient是渐变,corners定义的是圆角 -->
+    <item android:id="@android:id/background">
+        <shape>
+            <solid android:color="#ffffff" />
+        </shape>
+    </item>
+    
+    <!-- 进度条 -->
+    <item android:id="@android:id/progress">
+        <clip>
+            <shape>
+                <solid android:color="#4393ea" />
+            </shape>
+        </clip>
+    </item>
+
+</layer-list>