如何将焦点设置到Android警告对话框负按钮？ [英] How to set focus to android alert dialog negative button?

问题描述

我以书面requestFocus的code到的setFocus以警告对话框负按钮（）。但按钮颜色不会change.I可以能够设置背景图片到该按钮manually.But我需要一个直接从native.How以聚焦在第二个按钮
阿勒特对话？

荫发送code段为理解

  alertbox.show（）;
alertbox.getButton（AlertDialog.BUTTON_NEGATIVE）.requestFocus（）;
 

即使我试图用

  alertbox.show（）;
alertbox.getButton（AlertDialog.BUTTON_NEGATIVE）.requestFocus（View.FOCUS_FORWARD）
 

请任何一个可以在此查询responde？

问候，
Android开发者

解决方案

只是setOnShowListener（）来AlertDialog，并将重点放在负面按钮。

  alertDialog.setOnShowListener（新DialogInterface.OnShowListener（）{        @覆盖
        公共无效昂秀（DialogInterface对话）{            按钮负= alertDialog.getButton（AlertDialog.BUTTON_NEGATIVE）;
            negative.setFocusable（真）;
            negative.setFocusableInTouchMode（真）;
            negative.requestFocus（）;
        }
    }）;
    alertDialog.show（）;
 

I have written code to setFocus to ALert Dialog negative button by using requestFocus(). But the button color will not change.I can able to set background image to that button manually.But i need that one directly from native.How to give focus to second button in ALlert Dialog?

Iam sending the code snippet for understanding

alertbox.show();
alertbox.getButton(AlertDialog.BUTTON_NEGATIVE).requestFocus();

Even I tried with

alertbox.show();
alertbox.getButton(AlertDialog.BUTTON_NEGATIVE).requestFocus(View.FOCUS_FORWARD)

Please any one can responde on this query?

Regards, Android Developer

解决方案

Just setOnShowListener() to AlertDialog, and set focus on the negative button.

    alertDialog.setOnShowListener(new DialogInterface.OnShowListener(){

        @Override
        public void onShow(DialogInterface dialog) {

            Button negative = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE);
            negative.setFocusable(true);
            negative.setFocusableInTouchMode(true);
            negative.requestFocus();
        }
    });
    alertDialog.show();

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