Android手机开发：Dialog的使用

private Dialog buildDialog2(Context context) {       AlertDialog.Builder builder = new AlertDialog.Builder(context);       builder.setIcon(R.drawable.alert_dialog_icon);       builder.setTitle(R.string.alert_dialog_two_buttons_msg);       builder.setMessage(R.string.alert_dialog_two_buttons2_msg);       builder.setPositiveButton(R.string.alert_dialog_ok,               new DialogInterface.OnClickListener() {                   public void onClick(DialogInterface dialog, int whichButton) {                          setTitle("点击了对话框上的确定按钮");                   }               });       builder.setNeutralButton(R.string.alert_dialog_something,               new DialogInterface.OnClickListener() {                   public void onClick(DialogInterface dialog, int whichButton) {                          setTitle("点击了对话框上的进入详细按钮");                   }               });       builder.setNegativeButton(R.string.alert_dialog_cancel,               new DialogInterface.OnClickListener() {                   public void onClick(DialogInterface dialog, int whichButton) {                          setTitle("点击了对话框上的取消按钮");                   }               });       return builder.create();   }