两个 APK 之间互相发送广播

 package com.example.test1;


import java.util.Timer;
import java.util.TimerTask;

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.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

// A pak 开始  2016-07-23
public class MainActivity extends  Activity {

    private  Button  but;
    private Context  mContext;
    private TextView tk;
    private Timer tim =new Timer();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext = this;        
        registerReceiver(loginrevcer, new IntentFilter("kkk"));  // 注册广播       
        tk = (TextView) findViewById(R.id.tk);    
        but = (Button) findViewById(R.id.bu_t);
        // 定时发送广播
        tim.schedule(timT, 1000, 1000); // 1s后执行task,经过1s再次执行           
    }

    TimerTask  timT = new TimerTask() {     
        @Override
        public void run() {
            Intent intent = new Intent("mmm"); 
            mContext.sendBroadcast(intent); // 发送广播给 B apk          
        }
    };

    private BroadcastReceiver loginrevcer = new BroadcastReceiver(){// 接受B apk发过来的广播
        @Override
        public void onReceive(Context arg0, Intent intent) {
            int sk = intent.getIntExtra("tx", 000);// B APK 发送过来的数据
            tk.setText(sk+"");
        }       
    }; 
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
     >


    <Button 
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:text="启动"
        android:id="@+id/bu_t"
        />

    <TextView 
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:id="@+id/tk"
        android:text="123"
        />

LinearLayout>

// A pak 结束

// B apk 开始 2016-07-23

package com.example.test2;

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.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;


public class MainActivity extends  Activity {

    private TextView tex;
    private int tx;
    private Context  mContext;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext = this;
        tex = (TextView) findViewById(R.id.tex);
        registerReceiver(loginrevcer, new IntentFilter("mmm")); // 注册广播接受者
    }

    private BroadcastReceiver loginrevcer = new BroadcastReceiver(){
        @Override
        public void onReceive(Context arg0, Intent arg1) {
            tx ++;
            tex.setText("=="+tx);
            senBroadcast();// 收到A apk 发过来的广播后，再发广播给A apk
        }
    };

    private void senBroadcast(){
        Intent intent = new Intent("kkk");
        intent.putExtra("tx", tx);// 广播带参数
        mContext.sendBroadcast(intent);
    }

}

"http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.test2.MainActivity" >

    "@+id/tex"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

</RelativeLayout>

// B apk 结束

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.test2"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="11"
        android:targetSdkVersion="21" />
     
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED">uses-permission>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <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=".BootBroadcastReceivers">
  <intent-filter>
    <action android:name="android.intent.action.BOOT_COMPLETED" />
   intent-filter>
  receiver>
  
    application>

manifest>