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Android Physical Keys Example

Every Android device is provided with physical keys. In the wide variety of Android mobile devices, we may meet devices with three or four physical or virtual keys, however the default and most common pattern nowadays, are the three basic soft keys, which are the back button KEYCODE_BACK, the home button KEYCODE_HOME, and the menu button KEYCODE_MENU. Android devices, in ...

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Android Event Handling Example

Events represents a response to user’s interaction with input controls, such as press of a button or touch of the screen. Android framework places each occurring Event into a queue, which is based on FIFO (first-in first-out) logic. When an Event happens an Event Listener, which is involved with the View object, should be registered. Then, the registered Event Listener ...

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