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Android官方开发文档Training系列课程中文版：管理设备的睡眠状态

原文地址：http://android.xsoftlab.net/training/scheduling/index.html 引言当Android设备处于闲置状态时，它的屏幕首先会变暗，接着会关闭屏幕，最后会将CPU关闭。这些举措可以防止设备的电量迅速被耗尽。但是当APP需要的话，还是会有例外情...

Android官方开发文档Training系列课程中文版：后台加载数据之处理CursorLoader的查询结果

原文地址：http://android.xsoftlab.net/training/load-data-background/handle-results.html 就像上节课所说的，我们应该在onCreateLoader()内使用CursorLoader来加载数据。那么在数据加载完毕之后，加载结果...

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Android官方开发文档Training系列课程中文版：后台加载数据之使用CursorLoader进行查询

原文地址：http://android.xsoftlab.net/training/load-data-background/index.html 引言在ContentProvider中查询数据是需要花点时间的。如果你直接在Activity进行查询，那么这可能会导致UI线程阻塞，并会引起”Appl...

Android官方开发文档Training系列课程中文版：后台服务之响应IntentService的处理结果

原文地址：https://developer.android.com/training/run-background-service/report-status.html 这节课主要学习如何将IntentService中的执行结果返回给请求点。一种推荐的方式就是使用 LocalBroadcastMa...

Android官方开发文档Training系列课程中文版：后台服务之IntentService的使用

原文地址：http://android.xsoftlab.net/training/run-background-service/send-request.html 上节课我们学习了如何创建IntentService。这节课我们主要学习如何通过Intent使IntentService执行工作请求。I...

Android官方开发文档Training系列课程中文版：后台服务之IntentService的创建

原文地址:http://android.xsoftlab.net/training/run-background-service/index.html 引言除非特别指定，否则所有的操作都是在UI线程中执行的。不过这会引起问题，因为长时间的耗时操作会妨碍UI线程的运行。这会惹恼用户，并可能会引起系统...

Android官方开发文档Training系列课程中文版：键盘输入处理之处理键盘按键

原文地址：http://android.xsoftlab.net/training/keyboard-input/commands.html 当用户将焦点给到可编辑文本的View时，例如EditText这种，并且该设备还拥有实体键盘，那么所有的输入都会被系统处理。然而，如果你希望可以拦截或者直接处理...

Android官方开发文档Training系列课程中文版：键盘输入处理之控制输入法的显示方式

原文地址：http://android.xsoftlab.net/training/keyboard-input/visibility.html 当输入的焦点进入或者离开文本框时，Android会适时的显示或隐藏输入法。系统还会决定UI及文本框如何出现在输入法的上方。比如，当垂直方向上的可用空间非常...

Android官方开发文档Training系列课程中文版：键盘输入处理之指定输入的类型

原文地址：http://android.xsoftlab.net/training/keyboard-input/index.html 引言在文本框接收到焦点时，Android系统会在屏幕上显示一个软键盘。为了提供良好的用户体验，你可以指定相关输入类型的特性，以及输入法应当如何展现。除了屏幕上的...

Android官方开发文档Training系列课程中文版：手势处理之ViewGroup的事件管理

原文地址：https://developer.android.com/training/gestures/viewgroup.html 在ViewGroup中处理触摸事件要格外小心，因为在ViewGroup中有很多子View，而这些子View对于不同的触摸事件来说是不同的目标。要确保每个View都正...

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