private MyBroadcastReceiverB receiver;
onCreate()中
receiver = new MyBroadcastReceiverB();//初始化广播接收器
IntentFilter filter = new IntentFilter();//初始化意图过滤器
filter.addAction("MYAction");//添加自己需要的意图
getContext().registerReceiver(receiver, filter);//注册广播接收器
//内部类
public class MyBroadcastReceiverB extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
//收到无序广播的名称
String action = intent.getAction();
//收到无序广播的内容
String msg = intent.getStringExtra("msg");
Log.i("zhujunxiana","00000"+action);
Log.i("zhujunxiana","11111"+msg);
//在此截断广播。广播的内容不会流向比这个优先级低的广播接收器。。。
//abortBroadcast();
txtUserName.setText(msg);
}
}
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
User user=userList.get(position);
Intent intent = new Intent();
intent.setAction("MYAction");
intent.putExtra("msg",user.getName());
sendBroadcast(intent);
finish();
}
});
<receiver android:name=".MainFragment$MyBroadcastReceiverB">
<intent-filter>
<action android:name="MYAction"/>
</intent-filter>
</receiver>
https://blog.csdn.net/chu_cheng/article/details/72720956
https://blog.csdn.net/weixin_44248652/article/details/87201012
