什么是Android中使用preference活动？ [英] What is use of preference activity in android?

问题描述

我已经研究了preference活动，但我不理解这一点。谁能告诉我有什么用preference活动？它是如何从活动有什么不同？

I have studied preference activity but I don't understand it. Can anybody tell me what is the use of preference activity? How does it differ from activity?

感谢

推荐答案

preferencesActivity是一种能够轻松地创建preference屏幕，如在Android的本身，只是看在设置。这些可用于内部应用程序轻松地节省preferences到<一个href="http://developer.android.com/reference/android/content/Shared$p$pferences.html">Shared$p$pferences然后<一href="http://stackoverflow.com/questions/2614719/how-do-i-get-the-shared$p$pferences-from-a-$p$pferenceactivity-in-android">easily从你的应用程序中访问这些。

PreferencesActivity is a way to easily create preference screens such as those in Android itself, just look under Settings. These can be used inside applications to easily save preferences to SharedPreferences and then easily access these from within your app.

有关preferenceActivity的更多信息，请参见此页面

See this page for more information on PreferenceActivity.

的preferenceActivity呈现出一些preferences一个例子：

An example of a PreferenceActivity showing some preferences:

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