如何实现确认(是/否)DialogPreference? [英] How to implement a confirmation (yes/no) DialogPreference?

问题描述

如何实现显示简单的是/否确认对话框的首选项?

How can I implement a Preference that displays a simple yes/no confirmation dialog?

示例见Browser->Setting->Clear Cache.

推荐答案

那是一个简单的警报对话框，Federico 为您提供了一个网站，您可以在其中查找内容.

That is a simple alert dialog, Federico gave you a site where you can look things up.

这是一个关于如何构建警报对话框的简短示例.

Here is a short example of how an alert dialog can be built.

new AlertDialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?")
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {

    public void onClick(DialogInterface dialog, int whichButton) {
        Toast.makeText(MainActivity.this, "Yaay", Toast.LENGTH_SHORT).show();
    }})
 .setNegativeButton(android.R.string.no, null).show();

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