RadioButton 单选按钮有两种状态：选中或未选中。这允许用户从一个组中选择一个选项。 RadioButton 属性 以下相关是 RadioButton 控件的重要属性。可以检查Android官方文档的属性和相
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类CheckedTextView继承超类TextView并实现Checkable接口。当ListView的setChoiceMode方法并设定为CHOICE_MODE_SINGLE或者CHOICE_MODE_MULT
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The Android SDK includes a virtual mobile device emulator that runs on your computer. The emulator lets yo
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文件区别：.h ：头文件。头文件包含类，类型，函数和常数的声明。.m ：源代码文件。这是典型的源代码文件扩展名，可以包含Objective-C和C代码。.mm ：源代码文件。带有这种扩展名的源代码文件，除了可以包含O
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Android provides Built-in applications for phone calls, in some occasions we may need to make a phone call t
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In Android, you can use SmsManager API or devices Built-in SMS application to send SMSs. In this tutorial, w
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Emailis messages distributed by electronic means from one system user to one or more recipients via a netw
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Android location APIs make it easy for you to build location-aware applications, without needing to focus
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