本文主要是介绍广播 收音机，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
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</span><span style="font-size:18px;">动态广播：</span><span style="font-size:18px;">
</span><span style="font-size:18px;">package com.example.boradcast;import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;public class MainActivity extends Activity {private MyBroadcastReceiver mBroadcastReceiver;//频道号private final String chanel="com.";//过滤器需要的字段（tag）@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);final Activity activity=this;Button button=(Button) findViewById(R.id.button);button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//发送广播（比如，某个广播电台在Chanel的频道发送节目）Intent intent=new Intent();intent.setAction(chanel);activity.sendBroadcast(intent);}});//初始化广播接收器(搞到一台收音机，开始准备接收音乐广播频道的音乐节目)mBroadcastReceiver=new MyBroadcastReceiver();//过滤器（选定音乐频道）IntentFilter filter=new IntentFilter();filter.addAction(chanel);//注册（旋转收音机的选台按钮，选定频道。开始接收音乐）registerReceiver(mBroadcastReceiver, filter);}@Overridepublic void onDestroy(){super.onDestroy();//注销广播接收（关闭收音机）unregisterReceiver(mBroadcastReceiver);}//创建广播接收器（收音机待命中。。。）private class MyBroadcastReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent) {Log.d("广播测试","收到广播！");}}
}</span>
静态广播：
<span style="font-size:18px;">package com.hx.gb;import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;import android.view.View;
import android.widget.Button;public class MainActivity extends Activity {private final String action = "com.xx";//过滤器需要的字段（tag）@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);final Activity activity = this;Button button = (Button) findViewById(R.id.button);button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {//发送广播 Intent intent = new Intent();intent.setAction(action);activity.sendBroadcast(intent);}});}
}</span><span style="font-size:18px;">package com.hx.gb;import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;//创建广播接收器public class MyBroadcastReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent ) {Log.d("广播测试","收到广播！");} }
</span><span style="font-size:18px;"><?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.hx.gb"android:versionCode="1"android:versionName="1.0" ><uses-sdkandroid:minSdkVersion="15"android:targetSdkVersion="15" /><applicationandroid:allowBackup="true"android:icon="@drawable/ic_launcher"android:label="@string/app_name"android:theme="@style/AppTheme" ><activityandroid: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><span style="color:#ff0000;"><receiver android:name="com.hx.gb.MyBroadcastReceiver" ><intent-filter><action android:name="com.xx" ></action></intent-filter></receiver></span></application></manifest>
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