It’s effective in input control and makes the developer’s work easier and reduces overhead of complex designs. The Android Spinner control is a mobile version of the standard dropdown list used on a website. The “ItemClick” event is triggered when the user makes a selection. When the user clicks this label, the dropdown list appears, and this allows the users to make a selection based on this list. The spinner is nothing but a label with a dropdown list often seen on web page forms. Learn Android development from scratch at. These objects are used to derive input from a user. The basic implementation of any application comes from fundamental input controls like text boxes, radio buttons, checkboxes and spinners. The combination of these user-interface objects is used to design beautiful and interactive applications. The user interface, also known as UI, has many sub divisions in the form of a layout, an input control and input events. This is defined as the User interface, which in turn, interacts with the user on a mobile screen. These applications inherit some specific functionalities, and the design is created by using different types of layouts and view objects. The Android platform is used to build mobile applications for the Android OS.

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