APK更新后广播

<uses-permission android:name="android.permission.RESTART_PACKAGES" />
<uses-permission android:name="android.permission.INSTALL_PACKAGES" />
<receiver android:name=".InstallBroadcast" >
    <intent-filter>
        <action android:name="android.intent.action.PACKAGE_REPLACED" />
        <data android:scheme="package" />
    </intent-filter>
    <intent-filter>
        <action android:name="android.intent.action.PACKAGE_INSTALL" />
        <data android:scheme="package" />
    </intent-filter>
</receiver>

if (intent.getAction().equals(Intent.ACTION_PACKAGE_REPLACED))