Android Tv Launcher中碰到安装或者卸载应用需要刷新界面

  • Post author:
  • Post category:其他



Android Tv Launcher中碰到安装或者卸载应用需要刷新界面:

1.Receiver

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

/**
 * Created by zxf on 2017/7/12 0012.
 */
public class PackageChangeReceiver extends BroadcastReceiver {
    private PackageChangeListener listener;
    @Override
    public void onReceive(Context context, Intent intent) {

        if (listener != null){
            listener.packageChange();
        }

    }

    //接口  方便操作
    interface PackageChangeListener  {
        void packageChange();
    }
    public void OnPackageChangeListener(PackageChangeListener listener){
        this.listener =  listener;
    }

}


有接口的广播接收器,只能动态注册,不能静态注册!!!


 mReceiver = new PackageChangeReceiver();
 IntentFilter filter = new IntentFilter();
 filter.addAction(Utils.PACKAGE_ADD);
 filter.addAction(Utils.PACKAGE_REMOVE);
 filter.addAction(Utils.PACKAGE_REPLACE);
 //隐式意图 需匹配Data
 filter.addDataScheme("package");
 registerReceiver(mReceiver,filter);
 //广播Action
 //安装应用
    public static final String PACKAGE_ADD ="android.intent.action.PACKAGE_ADDED";
  //卸载应用
    public static final String PACKAGE_REMOVE = "android.intent.action.PACKAGE_REMOVED";
   //更新应用
    public static final String PACKAGE_REPLACE = "android.intent.action.PACKAGE_REPLACED";

//接口的回调

        mReceiver.OnPackageChangeListener(new PackageChangeReceiver.PackageChangeListener() {
            @Override
            public void packageChange() {
                //当应用程序包发生变化时  刷新应用列表
                refreshData();
            }
        });


最后不要忘记

 @Override
    protected void onDestroy() {
        super.onDestroy();
        unregisterReceiver(mReceiver);
    }

转载请注明出处:

http://blog.csdn.net/hulk_zhang/article/details/75004913



版权声明:本文为Hulk_zhang原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。