android Service发送广播

1.

package com.example.lsn.myapplication;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import android.widget.TextView;public class MainActivity extends AppCompatActivity {    Button startser;    Button stopser;    TextView textView;    Intent intent;    public static final String ACTION_UPDATEUI="updateUI";    UpdateUIBroadcastReceiver broadcastReceiver;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        intview();    }    private void intview() {        startser= (Button) findViewById(R.id.button);        stopser= (Button) findViewById(R.id.button6);        textView= (TextView) findViewById(R.id.textView);        broadcastReceiver=new UpdateUIBroadcastReceiver();        IntentFilter filter=new IntentFilter();        filter.addAction(ACTION_UPDATEUI);        registerReceiver(broadcastReceiver,filter);        startser.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                 intent=new Intent(MainActivity.this,Myser.class);                startService(intent);            }        });        stopser.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                stopService(intent);            }        });    }    private class UpdateUIBroadcastReceiver extends BroadcastReceiver {        @Override        public void onReceive(Context context, Intent intent) {            textView.setText("121231");            MyLog.showlog("rizhi", "onReceive");        }    }}

2.
package com.example.lsn.myapplication;import android.app.Service;import android.content.Intent;import android.os.IBinder;import android.support.annotation.IntDef;import android.support.annotation.Nullable;/** * Created by lsn on 2017/6/15. */public class Myser extends Service {    @Nullable    @Override    public IBinder onBind(Intent intent) {        MyLog.showlog("rizhi", "onStartCommand" + intent);        return null;    }    @Override    public void onCreate() {        super.onCreate();        MyLog.showlog("rizhi", "Service初始化");    }    @Override    public void onStart(Intent intent, int startId) {        super.onStart(intent, startId);        MyLog.showlog("rizhi", "Service初始化onStart");    }    @Override    public int onStartCommand(Intent intent, int flags, int startId) {        MyLog.showlog("rizhi", "onStartCommand");        MyLog.showlog("rizhi", "onStartCommand" + flags);        MyLog.showlog("rizhi", "onStartCommand" + startId);        Intent intent1 = new Intent();        intent1.setAction(MainActivity.ACTION_UPDATEUI);        sendBroadcast(intent1);        return super.onStartCommand(intent, flags, startId);    }    @Override    public void onDestroy() {        MyLog.showlog("rizhi", "onDestroy");        super.onDestroy();    }}
3.06-15 11:20:20.581 8572-8572/com.example.lsn.myapplication I/rizhi: Service初始化
06-15 11:20:20.581 8572-8572/com.example.lsn.myapplication I/rizhi: onStartCommand
06-15 11:20:20.581 8572-8572/com.example.lsn.myapplication I/rizhi: onStartCommand0
06-15 11:20:20.581 8572-8572/com.example.lsn.myapplication I/rizhi: onStartCommand1
06-15 11:20:20.581 8572-8572/com.example.lsn.myapplication I/rizhi: Service初始化onStart
06-15 11:20:20.601 8572-8572/com.example.lsn.myapplication I/rizhi: onReceive