<resources>
  <!-- share items --> 
  <string-array name="app_share_items">
    <item>新浪微博</item>
    <item>腾讯微博</item>
  </string-array> 
</resources>

<shape xmlns:android="http://schemas.android.com/apk/res/android">
  <solid android:color="#4a90e2" />
  <corners android:radius="95dp" />
</shape>

android:background="@drawable/xml_background_button_blue"

<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:state_pressed="true" android:drawable="@drawable/xml_login_button_press"/>
  <item android:drawable="@drawable/xml_login_button_normal"/>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:state_pressed="true">
    <shape>
      <solid android:color="@color/pressed_color"/>
    </shape>
  </item>
  <item>
    <shape>
      <solid android:color="@color/transparent"/>
    </shape>
  </item>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
  <solid android:color="#4a90e2" />
  <corners android:radius="95dp" />
</shape>

public static final String DOWNLOAD_MANAGER = "com.james.app.download";

<intent-filter>
  <action android:name="com.james.app.download"/>
  <category android:name="android.intent.category.DEFAULT"/>
</intent-filter>