Android中利用AIDL机制调用远程服务

Android中利用AIDL机制调用远程服务服务端://CalculateInterface.aidl
package com.itheima.aidl.calculate;interface CalculateInterface {
double doCalculate（double a, double b）;
} //CalculateService.java
package com.itheima.myaidl.server;import com.itheima.aidl.calculate.CalculateInterface;import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;public class CalculateService extends Service{
private final CalculateInterface.Stub mBinder = new CalculateInterface.Stub（） {
@Override
public double doCalculate（double a, double b） throws RemoteException {
return a+b;
}
};@Override
public IBinder onBind（Intent intent） {
Log.i（"test","onBind..."）;
return mBinder;
}@Override
public boolean onUnbind（Intent intent） {
Log.i（"test","onUnbind..."）;
return super.onUnbind（intent）;
}@Override
public void onCreate（） {
super.onCreate（）;
Log.i（"test","onCreate..."）;
}@Override
public void onDestroy（） {
super.onDestroy（）;
Log.i（"test","onDestroy..."）;
}
}//服务端manifast文件
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.itheima.myaidl.server"
android:versionCode="1"
android:versionName="1.0" > <uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="19" /> <application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.itheima.myaidl.server.MainActivity"
android:configChanges="locale|layoutDirection"
android:theme="@android:style/Theme.Light.NoTitleBar"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name="com.itheima.myaidl.server.CalculateService">
<intent-filter>
<action android:name="com.itheima.myaidl.server.CalculateService" />
</intent-filter>
</service>
</application></manifest>
//客户端
//MainActivity.javapackage com.itheima.myaidl.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 com.itheima.aidl.calculate.CalculateInterface;public class MainActivity extends Activity {
private CalculateInterface mService;

private ServiceConnection mServiceConnection = new ServiceConnection（） {
@Override
public void onServiceDisconnected（ComponentName name） {
Log.i（"test","service disconnected..."）;
mService = null;
}

@Override
public void onServiceConnected（ComponentName name, IBinder service） {
Log.i（"test","service connected..."）;
mService = CalculateInterface.Stub.asInterface（service）; //获取接口实例
}
};

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

//绑定远程服务
Bundle bundle = new Bundle（）;
Intent intent = new Intent（）;
intent.putExtras（bundle）;
intent.setAction（"com.itheima.myaidl.server.CalculateService"）;
bindService（intent, mServiceConnection, Context.BIND_AUTO_CREATE）;
}

//TODO activity加载完毕时回调此方法
@Override
public void onWindowFocusChanged（boolean hasFocus） {
if（hasFocus）{
try{
double result = mService.doCalculate（1, 2）;
Log.i（"test","result===>"+result）;
}catch（RemoteException e）{
e.printStackTrace（）;
}
}
super.onWindowFocusChanged（hasFocus）;
}

@Override
protected void onDestroy（） {
unbindService（mServiceConnection）; //解绑远程服务
super.onDestroy（）;
}
}运行结果截图:本文永久更新链接地址：http://www.linuxidc.com/Linux/2016-04/130210.htm