android aidl使用小例子

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CompareService.aidl

package com.anlen.comparetoservice;interface CompareService {int  CompareTo(int num1,int num2);}

CompareToService.java

package com.anlen.comparetoservice;import android.app.Service;import android.content.Intent;import android.os.IBinder;import android.os.RemoteException;public class CompareToService extends Service {@Overridepublic IBinder onBind(Intent intent) {System.out.println("成功綁定服務");return new CompareIBinder();}@Overridepublic boolean onUnbind(Intent intent) {System.out.println("解除綁定服務");return super.onUnbind(intent);}@Overridepublic void onCreate() {System.out.println("遠程服務被建立");super.onCreate();}@Overridepublic void onDestroy() {System.out.println("遠程服務被銷毀");super.onDestroy();}/* * CompareToService內部比較函數 */private int compareTo(int num1,int num2){return num1>num2?num1:num2;}//內部類實現介面並調用service內部方法，使外部類也能調用service內的方法private class CompareIBinder extends CompareService.Stub{@Overridepublic int CompareTo(int num1, int num2) throws RemoteException {return compareTo(num1, num2);}}}

MainActivity.java

package com.anlen.experimentthree;import com.anlen.comparetoservice.CompareService;import android.app.Activity;import android.content.ComponentName;import android.content.Intent;import android.content.ServiceConnection;import android.os.Bundle;import android.os.IBinder;import android.os.RemoteException;import android.view.View;import android.widget.EditText;public class MainActivity extends Activity {Intent intent;EditText numberOne;EditText numberTwo;EditText numberLarge;private CompareService compareService;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);numberOne = (EditText)findViewById(R.id.numberOne);numberTwo = (EditText)findViewById(R.id.numberTwo);numberLarge = (EditText)findViewById(R.id.numberlarge);/* * 為意圖設定action * */intent=new Intent();intent.setAction("com.anlen.CompareToService");}public void binder(View view){bindService(intent, new ConnectService(), BIND_AUTO_CREATE);}public void compareTo(View view){String numberone=numberOne.getText().toString();String numbertwo=numberTwo.getText().toString();int one = Integer.parseInt(numberone);int two = Integer.parseInt(numbertwo);int large = 0;try {large = compareService.CompareTo(one, two);} catch (RemoteException e) {e.printStackTrace();}numberLarge.setText(Integer.toString(large)+"比較大");}/* * 串連服務類 * */private class ConnectService implements ServiceConnection  {@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {//強制轉化類型compareService=CompareService.Stub.asInterface(service);}@Overridepublic void onServiceDisconnected(ComponentName name) {compareService=null;}}}

布局xml

<RelativeLayout 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: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=".MainActivity" ><EditTextandroid:id="@+id/numberOne"android:inputType="numberSigned"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="" />    <EditText        android:id="@+id/numberTwo"        android:inputType="numberSigned"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@+id/numberOne"        android:text="" />   <LinearLayout       android:id="@+id/linear"       android:layout_below="@+id/numberTwo"       android:layout_width="match_parent"       android:layout_height="50dp"       android:gravity="center">        <Button          android:id="@+id/binder"         android:onClick="binder"         android:layout_width="200dp"         android:layout_height="50dp"         android:text="@string/binderservice"/>        <Button          android:id="@+id/compareTo"         android:onClick="compareTo"         android:layout_width="200dp"         android:layout_height="50dp"         android:text="@string/app_name"/>     </LinearLayout>      <EditText      android:id="@+id/numberlarge"      android:inputType="numberSigned"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:layout_below="@+id/linear"      android:text="" /></RelativeLayout>

AndroidManifest.xml 服務添加

          <service  android:name="com.anlen.comparetoservice.CompareToService">            <intent-filter>                <!-- 設定一個名字給外部進程調用該服務 -->               <action android:name="com.anlen.CompareToService" />       </intent-filter>       </service>

android aidl使用小例子