广播实例代码,Java代码库,德仔网

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【Java】广播实例
作者:彧福 / 发布于2015/5/11/ 494

	package com.example.myservice;
	
	import java.util.Calendar;
	
	import android.os.Bundle;
	import android.app.Activity;
	import android.content.Intent;
	import android.util.Log;
	import android.view.Menu;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.Button;
	import android.widget.Toast;
	
	public class MainActivity extends Activity implements OnClickListener{
	
	 private Button btnStart,btnClose,btnBroadcast,btnSendBroadcast;
	 private ReceiveBroadcast receiveBroadCast; //广播实例
	 public void init(){
	 btnStart=(Button) findViewById(R.id.btnStart);
	 btnClose=(Button) findViewById(R.id.btnClose);
	 btnBroadcast=(Button) findViewById(R.id.btnReceiveBroadcast);
	 btnSendBroadcast=(Button) findViewById(R.id.btnSendBroadcast);
	
	 }
	 @Override
	 protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.activity_main);
	 init();
	
	 btnStart.setOnClickListener(this);
	 btnClose.setOnClickListener(this);
	 btnBroadcast.setOnClickListener(this);
	 btnSendBroadcast.setOnClickListener(this);
	
	
	 }
	 @Override
	 public void onClick(View v) {
	 // TODO Auto-generated method stub
	 switch(v.getId()){
	 case R.id.btnStart:
	 startService(new Intent(getApplicationContext(), FirstService.class));
	 Log.v("--", "startservice");
	 break;
	 case R.id.btnReceiveBroadcast:
	
	 break;
	 case R.id.btnSendBroadcast:
	 Log.v("receive", "发送成功");
	 Intent intent=new Intent();
	 intent.putExtra("data", "the broadcast from"+Calendar.getInstance().get(Calendar.SECOND));
	 intent.setAction("myaction"); //接收广播ReceiverBroadcast的AndroidManifest 的action一样
	 sendBroadcast(intent);
	 Toast.makeText(getApplicationContext(), "发送广播成功", Toast.LENGTH_SHORT).show();
	 break;
	 }
	
	 }
	
	
	}
	
	
	
	
	
	
	package com.example.myservice;
	
	import android.app.Activity;
	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.util.Log;
	import android.widget.Toast;
	
	public class ReceiveBroadcast extends BroadcastReceiver {
	
	 @Override
	 public void onReceive(Context context, Intent intent) {
	 // TODO Auto-generated method stub
	 //接收广播中的数据
	 String result=intent.getStringExtra("data");
	 Log.v("receive", result);
	
	 }
	
	
	}
	
	
	
	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	 package="com.example.myservice"
	 android:versionCode="1"
	 android:versionName="1.0" >
	
	 <uses-sdk
	 android:minSdkVersion="14"
	 android:targetSdkVersion="14" />
	
	 <application
	 android:allowBackup="true"
	 android:icon="@drawable/ic_launcher"
	 android:label="@string/app_name"
	 android:theme="@style/AppTheme" >
	 <activity
	 android:name="com.example.myservice.MainActivity"
	 android:label="@string/app_name" >
	 <intent-filter>
	 <action android:name="android.intent.action.MAIN" />
	
	 <category android:name="android.intent.category.LAUNCHER" />
	 </intent-filter>
	 </activity>
	
	
	 <!-- service -->
	 <service android:name="com.example.myservice.FirstService" > </service>
	
	 <!-- receive广播 -->
	 <receiver android:name="com.example.myservice.ReceiveBroadcast">
	 <intent-filter>
	 <action android:name="myaction"></action>
	 </intent-filter>
	 </receiver>
	
	
	 </application>
	
	</manifest>
	
	
	
	<?xml version="1.0" encoding="utf-8"?>
	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	 android:layout_width="match_parent"
	 android:layout_height="match_parent"
	 android:orientation="vertical" >
	 <Button
	 android:id="@+id/btnStart"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:text="@string/start_service"/>
	 <Button
	 android:id="@+id/btnClose"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:text="@string/close_service"/>
	 <Button
	 android:id="@+id/btnReceiveBroadcast"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:text="@string/receive_broadcast"/>
	 <Button
	 android:id="@+id/btnSendBroadcast"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:text="@string/send_broadcast"/>
	
	</LinearLayout>
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