Android开发实现AlertDialog中View的控件设置监听功能分析

package com.example.mydialog;import android.app.Activity;import android.app.AlertDialog;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageButton;import android.widget.Toast;/** * @author 郑明亮 * @date 2015-11-4 下午1:57:31 * @version 1.0 */public class secondActivity extends Activity implements OnClickListener {  Button btshow,bt_emial,bt_blog;  ImageButton btcancel;  @Override  public void onCreate(Bundle savedInstanceState) {    // TODO Auto-generated method stub    super.onCreate(savedInstanceState);    setContentView(R.layout.second);    final AlertDialog dialog=new AlertDialog.Builder(secondActivity.this).create();    dialog.show();    dialog.getWindow().setContentView(R.layout.myxml);//重点看这获取弹出框内的视图view    // btshow=(Button) findViewById(R.id.bt_show);    btcancel = (ImageButton) dialog.findViewById(R.id.bt_cancel);//重点看这行的Dialog    bt_blog=(Button) dialog.findViewById(R.id.bt_blog);    bt_emial=(Button) dialog.findViewById(R.id.bt_email);     bt_blog.setOnClickListener(this);     bt_emial.setOnClickListener(this);    btcancel.setOnClickListener(new OnClickListener() {    @Override    public void onClick(View arg0) {      dialog.dismiss();      Toast.makeText(secondActivity.this, "clicked", 0).show();      Log.e("log", "click");    }     });  }  @Override  public void onClick(View arg0) {    switch (arg0.getId()) {    case R.id.bt_blog:      Uri uri = Uri.parse("http://www.vevb.com");      Intent it = new Intent(Intent.ACTION_VIEW, uri);      startActivity(it);      break;    case R.id.bt_email:      Uri uri1 = Uri.parse("http://www.vevb.com");      Intent it1 = new Intent(Intent.ACTION_VIEW, uri1);      startActivity(it1);      break;    default:      break;    }  }}