Android之BroadcastReceiver

标签：android   broadcastreceiver   广播机制   

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.rainsong.broadcastdemo"
      android:versionCode="1"
      android:versionName="1.0">

    <uses-sdk
        android:minSdkVersion="11"
        android:targetSdkVersion="19" />

    <application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
        <activity android:name="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>
        <receiver android:name="MyReceiver">
            <intent-filter>
                <action android:name="com.rainsong.action.NEW_BROADCAST" /> 
            </intent-filter>
        </receiver>
    </application>
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:text="发送广播" 
    />
</LinearLayout>

package com.rainsong.broadcastdemo;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity
{
    public final String ACTION = "com.rainsong.action.NEW_BROADCAST";

    Button btn1;

    OnClickListener listener1;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        btn1 = (Button)findViewById(R.id.button1);
        listener1 = new OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(ACTION);
                sendBroadcast(intent);
            }
        };
        btn1.setOnClickListener(listener1);
    }
}

package com.rainsong.broadcastdemo;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;


public class MyReceiver extends BroadcastReceiver {
    public static int NOTIFICATION_ID = 12345;

    @Override
    public void onReceive(Context context, Intent intent) {
        NotificationManager nm = 
            (NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE);
        Notification notification = new Notification(android.R.drawable.stat_notify_chat, 
            "MyReceiver onReceive", System.currentTimeMillis());
        Intent intent1 = new Intent(context, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent1, 0);
        notification.setLatestEventInfo(context, "MyReceiver onReceive", null, pendingIntent);
        nm.notify(NOTIFICATION_ID, notification);  
    }
}

Android之BroadcastReceiver

标签：android   broadcastreceiver   广播机制   

原文地址：http://blog.csdn.net/hantangsongming/article/details/41448415