package com.lgy.s; 
 
interface S{ 
  String getStr(String name); 
} 

package com.lgy.s; 
 
import android.app.Service; 
import android.content.Intent; 
import android.os.IBinder; 
import android.os.RemoteException; 
import android.util.Log; 
 
public class MyService extends Service { 
 
  private static final String TAG = "MyService"; 
  private S.Stub server; 
   
  @Override 
  public void onCreate() { 
    Log.i(TAG, "onCreate"); 
    server = new S.Stub() { 
      @Override 
      public String getStr(String name) throws RemoteException { 
        Log.i(TAG, name); 
        return name; 
      } 
    }; 
    super.onCreate(); 
  } 
   
  @Override 
  public boolean onUnbind(Intent intent) { 
    Log.i(TAG, "onUnbind"); 
    return super.onUnbind(intent); 
  } 
   
  @Override 
  public void onDestroy() { 
    Log.i(TAG, "onDestroy"); 
    server = null; 
    super.onDestroy(); 
  } 
   
   
  @Override 
  public IBinder onBind(Intent intent) { 
    Log.i(TAG, "onBind"); 
     
    return server; 
  } 
 
} 

<service android:name="com.lgy.s.MyService"> 
      <intent-filter > 
        <action android:name="android.lgy.myService" /> 
      </intent-filter> 
    </service> 

package com.lgy.c; 
 
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.util.Log; 
import android.view.View; 
 
import com.lgy.s.S; 
 
public class MainActivity extends Activity { 
   
  protected static final String TAG = "MainActivity"; 
  private S s; 
  private ServiceConnection conn = new ServiceConnection() { 
    @Override 
    public void onServiceDisconnected(ComponentName name) { 
       
    } 
     
    @Override 
    public void onServiceConnected(ComponentName name, IBinder service) { 
      s = S.Stub.asInterface(service); 
      Log.i(TAG, "onServiceConnected client"); 
    } 
  }; 
   
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
  } 
   
  public void bindBtn(View v){ 
    Intent mIntent = new Intent("android.lgy.myService"); 
    bindService(mIntent, conn, BIND_AUTO_CREATE); 
  } 
 
  public void greetBtn(View v){ 
    try { 
      Log.i(TAG, s.getStr("client")); 
    } catch (RemoteException e) { 
      e.printStackTrace(); 
    } 
  } 
   
  public void unbindBtn(View v){ 
    unbindService(conn); 
  } 
   
} 

<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="com.lgy.c.MainActivity" > 
 
  <Button 
    android:id="@+id/button1" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentTop="true" 
    android:onClick="bindBtn" 
    android:text="綁定服務(wù)器Service" /> 
 
  <Button 
    android:id="@+id/button2" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_alignLeft="@+id/button1" 
    android:layout_below="@+id/button1" 
    android:onClick="greetBtn" 
    android:text="傳遞參數(shù)給服務(wù)器獲取返回的數(shù)據(jù)" /> 
 
  <Button 
    android:id="@+id/button3" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_alignLeft="@+id/button2" 
    android:layout_below="@+id/button2" 
    android:onClick="unbindBtn" 
    android:text="解除綁定服務(wù)" /> 
 
</RelativeLayout>