Broadcast Receiverssimply respond to broadcast messages from other applications or from the system itself.
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An AndroidIntentis an abstract description of an operation to be performed. It can be used withstartActivity
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Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet
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A content provider component supplies data from one application to others on request. Such requests are ha
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WML 文档实例：
http://www.wapforum.org/DTD/wml_1.1.xml>
Our HTML Tutorial is an award winning
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The basic building block for user interface is aViewobject which is created from the View class and occupies
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Input controls are the interactive components in your apps user interface. Android provides a wide variety
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Events are a useful way to collect data about a users interaction with interactive components of Applicati
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