An AppWidgetProvider class implementation.An XML file containing important information about your widget, such as its minimum width and height, its layout resource file, how often it should be updated, and whether it uses a configuration Activity. ![]() To create a widget, you’ll need the following classes and XML files: What are the essential components of an Android widget? If you do decide to mix and match, then it’s recommended that you target one category first and then add elements from other categories as and when required. Assuming this widget displays some information about the currently-selected track, then this is an example of a control widget that borrows elements from the information widget category. Can’t choose between the different categories? Many widgets combine elements from two or more categories – case in point, the music widget from our previous bullet point. A widget that allows the user to play, pause and skip tracks in a music application is one example of a control widget. A control widget can help your app feel more like an integral part of the user’s device, rather than an add-on that the user opens, plays around with for a while, and then closes. These widgets give users the ability to trigger an app’s most important features from the comfort of their homescreen – kind of like a remote control. These vertically-scrolling widgets display multiple elements from the same group, such as a collection of headlines from a news app, or a series of photos from a gallery app. Some examples include clock and weather widgets, and widgets that notify the user about new emails or SMS messages. Display important information related to your app. When you look at all the Android widgets that are currently out there, they can generally be divided into the following categories: If you’re struggling for inspiration, then it can help to look at what other Android developers are doing.
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