It is just a theme to show the tickbar in SeekBar. For example, to set the current cursor position in a playing media file or to tweak a volume setting. It allows the user to choose a value along a continuous range by sliding a 'thumb' along a horizontal line. SeekBar is a user-modifiable ProgressBar. In this case, the ProgressBar view is a good choice. For example, you might be uploading or downloading a file from the web and need to update the user about the status of the upload or download. The ProgressBar provides visual feedback about some ongoing tasks, such as when you are performing a task in the background.

The SpinnerView displays one item at a time from a list and enables users to choose from them. SpinnerĪ drop-down menu is called spinner. This is basically a TextView that can be checked and is sometimes used in a ListView. A RadioGroup is used to group one or more RadioButton views, thereby allowing only one RadioButton to be checked within the RadioGroup. The RadioButton has two states: either checked or unchecked. CheckBoxĪ special type of button with a check mark graphic and description text that has two states: checked or unchecked. ToggleButtonĭisplays checked/unchecked (or on/off) states using a light indicator. Represents a push-button widget that registers when the screen is touched within its bounds.

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