監聽apk的安裝和卸載代碼

1、創建廣播類，繼承BroadcastReceiver

public class PackageBroadCastReceiver extends BroadcastReceiver {
  private static final int PACKAGE_NAME_START_INDEX = 8;

 @Override
 public void onReceive(Context context, Intent intent) {
  if (intent == null) {
   return;
  }
  if (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED)) {
  String data = intent.getDataString();

  if (data == null || data.length() <= PACKAGE_NAME_START_INDEX) {
   return;
 }
  String packageName = data.substring(PACKAGE_NAME_START_INDEX);
 }
  }
}

2、在manifest文件中添加聲明

<receiver android:name=".PackageBroadCastReceiver">
           <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>