24 服务AIDL

AIDL远程访问服务的方法

• 创建一个接口类写上方法 然后修改后缀java为aidl
• 在服务中创建一个类继承Stub类
• 在远程访问服务的进程把AIDL文件复制(包名不能改变)
  
  XXXX.Stub.asInterface(service);即可

---

服务端结构

MainActivity.java

无实际代码

MyService.java

package com.qf.day24_aidl_server;

import com.qf.day24_aidl_server.MyInterface.Stub;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;

public class MyService extends Service{

    @Override
    public IBinder onBind(Intent intent) {
        return new MyBinder();
    }
    //Stub extends android.os.Binder implements com.qf.day24_aidl_server.MyInterface
    public class MyBinder extends Stub{

        @Override
        public String getServiceData() {
            return name();
        }

    }

    //服务里的方法
    public String name(){
        return "田师傅红烧肉";
    }

    @Override
    public void onCreate() {
        super.onCreate();
    }

    @Override
    public boolean onUnbind(Intent intent) {
        return super.onUnbind(intent);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
    }

}

MyInterface.aidl

package com.qf.day24_aidl_server;

 interface MyInterface {

     String getServiceData();

}

清单文件:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.qf.day24_aidl_server"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.qf.day24_aidl_server.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 android:name=".MyService">
            <intent-filter >
                <action android:name="com.qf.day24_aidl_server.MyService"/>
            </intent-filter>
        </service>
    </application>

</manifest>

客户端

MainActivity.java

package com.qf.day24_aidl_client;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.view.View;

import com.qf.day24_aidl_server.MyInterface;

public class MainActivity extends Activity {

    private MyInterface myInterface;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Intent intent = new Intent("com.qf.day24_aidl_server.MyService");
        //6.0必须设置
        intent.setPackage("com.qf.day24_aidl_server");

        bindService(intent, new MyServiceConn(), Context.BIND_AUTO_CREATE);

    }

    //点击 获取Service里数据
    public void MyClick(View v){
        String name;
        try {
            name = myInterface.getServiceData();
            Log.e("AAA", "===>"+name);
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public class MyServiceConn implements ServiceConnection{

        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            // TODO Auto-generated method stub
            myInterface = MyInterface.Stub.asInterface(service);
            //myInterface = myBinder;
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            // TODO Auto-generated method stub

        }

    }
}

MyInterface.aidl

package com.qf.day24_aidl_server;

 interface MyInterface {

     String getServiceData();

}