Dialog dialog = new Dialog(AAAAAActivity.this, R.style.dialog);

            // 设置它的ContentView

            // 得到myview才可以通过Id找到控件,实现dialog里的按钮的点击事件

            View myView = LayoutInflater.from(AAAAAActivity.this).inflate(

                    R.layout.pay_create_dialog, null);

            dialog.setContentView(myView);

            dialog_btn = (Button) myView.findViewById(R.id.dialog_btn);

            /** dialog_btn的点击事件 */

            dialog_btn.setOnClickListener(new DialogOnClickListener());

            dialog.show();  

package com.demo;   

 import android.app.Dialog;

 import android.content.Context;

 import android.os.Bundle;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.widget.Button;   

 public class LeaveMeetingDialog extends Dialog  implements OnClickListener{   

     private Button  quitBtn,stopBtn,cancelBtn;

     private LeaveMeetingDialogListener listener;   

     public interface LeaveMeetingDialogListener{

         public void onClick(View view);

     }   

     public LeaveMeetingDialog(Context context,int theme,LeaveMeetingDialogListener listener) {

         super(context,theme);

     }   

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.leave_meeting_dialog);

         initViews();

     }   

     private void initViews(){

         quitBtn = (Button)findViewById(R.id.quit_btn);

         stopBtn = (Button)findViewById(R.id.stop_btn);

         cancelBtn = (Button)findViewById(R.id.cancel_btn);   

         quitBtn.setOnClickListener(this);

         stopBtn.setOnClickListener(this);

         cancelBtn.setOnClickListener(this);

     }   

     @Override

     public void onClick(View v) {

         listener.onClick(v);

     }   

 }   

---调用处:  

[java]

 LeaveMeetingDialog  dialog = new LeaveMeetingDialog(this,R.style.Theme_CustomDialog,

             new LeaveMeetingDialogListener() {

         @Override

         public void onClick(View view) {

             switch(view.getId()){

                 case R.id.quit_btn:break;

                 case R.id.stop_btn:break;

                 case R.id.cancel_btn:break;

             }

         }

 });

       dialog.show();