In this example we will learn about creating a simple 4×2 home screen App widget using an App Widget provider. It shall show two text view and a button. and clicking on the button will change the widget text contents. App widget is a simple way to enhance your application by having a view on android HomeScreen. This helps to inform user about some important update about the application also this is help user to use the application over and often. App Widgets I available since API Level 3 (Android 1.5). To create an App Widget we need the following classes.