Android AIDL进程间通信例子代码

package org.lonetin.team; import org.team.lonetin.IRemoteService; import org.team.lonetin.IRemoteServiceCallback; import org.team.lonetin.ISecondary; 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.DeadObjectException; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.os.RemoteException; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; public class AndroidAIDLClientActivity extends Activity { private String tag = "AndroidAIDLClientActivity"; //远端主Service服务接口 IRemoteService mService = null; //另外一个远端副Service服务接口 ISecondary mSecondaryService = null; Button mKillButton; TextView mCallbackText; private boolean mIsBound; /** * 启动Activity，初始化UI */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Watch for button clicks. Button button = (Button)findViewById(R.id.bind); button.setOnClickListener(mBindListener); button = (Button)findViewById(R.id.unbind); button.setOnClickListener(mUnbindListener); button = (Button)this.findViewById(R.id.basicTypes); button.setOnClickListener(sendBasicTypes); mKillButton = (Button)findViewById(R.id.kill); mKillButton.setOnClickListener(mKillListener); mKillButton.setEnabled(false); mCallbackText = (TextView)findViewById(R.id.callback); mCallbackText.setText("Not attached."); } /** * 与主接口的服务进行交互的类。 */ private ServiceConnection mConnection = new ServiceConnection() { public void onServiceConnected(ComponentName className, IBinder service) { Log.i(tag, "mConnection onServiceConnected()-------"); //通过IDL连接远端Service mService = IRemoteService.Stub.asInterface(service); mKillButton.setEnabled(true); mCallbackText.setText("Attached."); //检视跟Serivce相连的服务 try { //参数是Handler mService.registerCallback(mCallback); } catch (RemoteException e) { } //显示提示框提示用户 Toast.makeText(AndroidAIDLClientActivity.this, R.string.remote_service_connected, Toast.LENGTH_SHORT).show(); } public void onServiceDisconnected(ComponentName className) { // This is called when the connection with the service has been // unexpectedly disconnected -- that is, its process crashed. mService = null; mKillButton.setEnabled(false); mCallbackText.setText("Disconnected."); // As part of the sample, tell the user what happened. Toast.makeText(AndroidAIDLClientActivity.this, R.string.remote_service_disconnected, Toast.LENGTH_SHORT).show(); } }; /** * Class for interacting with the secondary interface of the service. */ private ServiceConnection mSecondaryConnection = new ServiceConnection() { public void onServiceConnected(ComponentName className, IBinder service) { Log.i(tag, "mSecondaryConnection onServiceConnected()-------"); mSecondaryService = ISecondary.Stub.asInterface(service); mKillButton.setEnabled(true); } public void onServiceDisconnected(ComponentName className) { mSecondaryService = null; mKillButton.setEnabled(false); } }; private OnClickListener mBindListener = new OnClickListener() { public void onClick(View v) { // Establish a couple connections with the service, binding // by interface names. This allows other applications to be // installed that replace the remote service by implementing // the same interface. Log.i(tag, "mBindListener onClick()-------"); bindService(new Intent(ISecondary.class.getName()), mSecondaryConnection, Context.BIND_AUTO_CREATE); bindService(new Intent(IRemoteService.class.getName()), mConnection, Context.BIND_AUTO_CREATE); mIsBound = true; mCallbackText.setText("Binding."); } }; private OnClickListener mUnbindListener = new OnClickListener() { public void onClick(View v) { Log.i(tag, "mUnbindListener onClick()-------"); if (mIsBound) { // If we have received the service, and hence registered with // it, then now is the time to unregister. if (mService != null) { try { // 取消bind回调方法，参数是Handler mService.unregisterCallback(mCallback); } catch (RemoteException e) { } } // Detach our existing connection. unbindService(mConnection); unbindService(mSecondaryConnection); mKillButton.setEnabled(false); mIsBound = false; mCallbackText.setText("Unbinding."); } } }; //杀进程监听器 private OnClickListener mKillListener = new OnClickListener() { public void onClick(View v) { int pid = 0; try { //Debug.waitForDebugger(); if (mSecondaryService != null) { pid = mSecondaryService.getPid(); mSecondaryService.killProcess(pid); } }catch(DeadObjectException de){ } catch (RemoteException ex) { Log.e(tag, "find service process id failed! pid :"+pid, ex); Toast.makeText(AndroidAIDLClientActivity.this, R.string.remote_call_failed, Toast.LENGTH_SHORT).show(); } try { if(mService != null){ pid = mService.getPid(); mService.killProcess(pid); } mCallbackText.setText("Killed service process."); } catch(DeadObjectException de){ }catch (RemoteException ex) { Log.e(tag, "find service process id failed! pid :"+pid, ex); Toast.makeText(AndroidAIDLClientActivity.this, R.string.remote_call_failed, Toast.LENGTH_SHORT).show(); } //调用unbind事件，断开bind，如果不这么做，两个应用程序是处于bind状态，之前被杀掉的进程会被恢复 mUnbindListener.onClick(v); } }; //传参数给service监听器 private OnClickListener sendBasicTypes = new OnClickListener() { @Override public void onClick(View v) { if(mService!=null){ //调用基本类型方法，测试传值 try { Log.i(tag, "sendBasicTypes"); mService.basicTypes(1, 2, true, 3f, 4d, "String test"); } catch (RemoteException e) { Log.e(tag, "连接失败!", e); } }