客户端访问AIDLService(远程绑定Service)

时间:2021-01-28 14:31:57

import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class AIDLClient extends Activity {
  private ICat catService;
  private Button get;
  EditText color;
  EditText weight;
  private ServiceConnection conn = new ServiceConnection() {

    @Override
    public void onServiceDisconnected(ComponentName name) {
      catService = null;

    }

    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
      //获取远程Service的onBind方法返回的对象的代理
      catService = ICat.Stub.asInterface(service);
    }
  };

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_aidlclient);
    get = (Button) findViewById(R.id.get);
    color = (EditText) findViewById(R.id.color);
    weight = (EditText) findViewById(R.id.weight);
    //创建所需绑定服务的Intent
    Intent intent = new Intent();
    intent.setAction("mediaprovider.action.AIDL_SERVICE");
    //绑定远程服务
    bindService(intent, conn, Service.BIND_AUTO_CREATE);
    get.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        try {
          // 获取并显示远程Service的状态
          color.setText(catService.getColor());
          weight.setText(catService.getWeight()+"");
        } catch (RemoteException e) {
          e.printStackTrace();
        }
        }
    });
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    //解除绑定
    this.unbindService(conn);
  }

}