如何知道在alertdialog中单击确定按钮时单击哪个单选按钮？

Question

我有以下的alertdialog代码：

AlertDialog.Builder helpBuilder = new AlertDialog.Builder(this); 
    helpBuilder.setTitle("Options"); 
    helpBuilder.setMessage("Choose Your Option"); 

    LayoutInflater inflater = getLayoutInflater(); 
    View radioButtonLayout = inflater.inflate(R.layout.popuplayout, null); 
    byNameRadioButton = (RadioButton) findViewById(R.id.byname); 
    byIdRadioButton = (RadioButton) findViewById(R.id.byid); 
    helpBuilder.setView(radioButtonLayout); 
    helpBuilder.setPositiveButton("Ok", 
      new DialogInterface.OnClickListener() { 

       public void onClick(DialogInterface dialog, int which) { 
        Toast.makeText(Tab1Activity.this, 
        "Ok button is clicked", Toast.LENGTH_LONG) 
        .show(); 


        } 


       } 
      }); 

    AlertDialog helpDialog = helpBuilder.create(); 
    helpDialog.show(); 

我想知道点击了哪个单选按钮被点击OK OK按钮时？ 需要帮助。 Thanx！

Answer 1

为什么不使用带有单选按钮的对话框的默认实现，您可以在这里找到：Dialogs。你不需要额外写任何代码，你就会得到你需要的东西！ ：） 这里是例子：

final CharSequence[] items = {"By Score", "By Name", "By Id"}; 

AlertDialog.Builder builder = new AlertDialog.Builder(this); 
builder.setTitle("Options"); 
builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() { 
    public void onClick(DialogInterface dialog, int item) { 
     Toast.makeText(getApplicationContext(), items[item], Toast.LENGTH_SHORT).show(); 
    } 
}); 
AlertDialog alert = builder.create();