监听Android应用的卸载与安装
??? ??? ??? android:label="@string/app_name">
??? <intent-filter>
??? ??? ??? ??? <action android:name="android.intent.action.PACKAGE_ADDED" />
?????????????? <action android:name="android.intent.action.PACKAGE_REMOVED" />
?????????????? <data android:scheme="package" />
? </intent-filter>
</receiver>
