One often vaunted feature of Android are the Home screen widgets. The official definition of a widget, taken from the Android documentation is: App Widgets are miniature application views that can be embedded in other applications (such as the Home screen) and receive periodic updates. In practice, widgets are generally only used on the Home screen. Widgets can also be interacted with, reacting to touch events, although there are some limits on what can be done
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BuildMobile: How To Code an Android Widget
