Android学习之路——广播接受者

实现目标

布局文件

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/activity_main"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"android:background="@drawable/stitch_one"    tools:context="cn.edu.bzu.orderedbroadcast.MainActivity">    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerHorizontal="true"        android:onClick="send"        android:layout_marginTop="50dp"        android:text="发送求救广播"        android:paddingLeft="5dp"        android:paddingRight="5dp"        android:background="#FFD202"        android:textSize="20sp"        /></RelativeLayout>

MainActivity

package cn.edu.bzu.orderedbroadcast;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public  void send(View view){        Intent intent=new Intent();        //定义广播事件类型        intent.setAction("Intercept_Stitch");        //发送广播       sendOrderedBroadcast(intent,null);    }}

MyBroadcastReciveOne

package cn.edu.bzu.orderedbroadcast;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.util.Log;public class MyBroadcastReceiverOne extends BroadcastReceiver {    public MyBroadcastReceiverOne() {    }    @Override    public void onReceive(Context context, Intent intent) {        Log.i("MyBroadcastReceiverOne","自定义的广播接收者one，接受到了广播事件");    }}

MyBroadcastReciveTwo

package cn.edu.bzu.orderedbroadcast;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.util.Log;public class MyBroadcastReceiverTwo extends BroadcastReceiver {    public MyBroadcastReceiverTwo() {    }    @Override    public void onReceive(Context context, Intent intent) {        Log.i("MyBroadcastReceiverTwo","自定义的广播接收者Two，接受到了广播事件");        abortBroadcast();        Log.i("MyBroadcastReceiverTwo","我是广播接收者Two我的拦截被终止了");    }}

MyBroadcastReciveThree

package cn.edu.bzu.orderedbroadcast;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.util.Log;public class MyBroadcastReceiverThree extends BroadcastReceiver {    public MyBroadcastReceiverThree() {    }    @Override    public void onReceive(Context context, Intent intent) {        Log.i("MyBroadcastReceiverThree","自定义的广播接收者Three，接受到了广播事件");    }}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="cn.edu.bzu.orderedbroadcast">    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".MainActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <receiver        android:name=".MyBroadcastReceiverOne">        <intent-filter android:priority="1000">            <action android:name="Intercept_Stitch"/>        </intent-filter>    </receiver>        <receiver            android:name=".MyBroadcastReceiverTwo">            <intent-filter android:priority="200">                <action android:name="Intercept_Stitch"/>            </intent-filter>        </receiver>        <receiver            android:name=".MyBroadcastReceiverThree">            <intent-filter android:priority="600">                <action android:name="Intercept_Stitch"/>            </intent-filter>        </receiver>    </application></manifest>

以上是简单案例。
详细解释在后继。。。