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See:
Description
Interface Summary | |
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ProgressIndicatorListener | Listener interface for processing notifications of changes in the data model of a progress. |
Class Summary | |
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AbstractProgressIndicatorController | This class acts as a controller for an AbstractProgressIndicatorView
based on the Model-View-Controller design pattern. |
AbstractProgressIndicatorModel | This model represents the data related to the progress being indicated. |
AbstractProgressIndicatorView | This manager presents an animating field to the user to indicate the progress of work being done by an application. |
ActivityImageField | This field loops an animation that represents the progress of a task. |
ActivityIndicatorController | Implementation of AbstractProgressIndicatorController . |
ActivityIndicatorModel | Implementation of AbstractProgressIndicatorModel . |
ActivityIndicatorView | Implementation of AbstractProgressIndicatorView that is used for
representing progress where the duration is unknown. |
ProgressBarField | Represents the progress of a task that can be expressed with respect to a set of values. |
ProgressIndicatorController | Implementation of AbstractProgressIndicatorController . |
ProgressIndicatorModel | Implementation of AbstractProgressIndicatorModel . |
ProgressIndicatorView | Implementation of AbstractProgressIndicatorView that is used for
representing progress where there is a numeric representation for the work being done. |
The Activity and Progress Indicator API allows you to display visual cues on a screen to indicate that work is being done or that a task is proceeding. The API uses a model-view-controller design pattern. You can represent an activity whose duration is unknown, as well as progress that can be represented numerically, for example, as a percentage of a completed task.
The API includes two fields that are responsible for rendering the activity or progress:
ActivityImageField
represents activity by using a bitmap that contains frames of an animation. The displayed frame changes over time. This field is built and set by ActivityIndicatorView
. ProgressBarField
represents the progress of a task as a bar that fills as the task completes. This field is built and set by ProgressIndicatorView
. For an example of how to use this API, see the Progress Indicator Demo sample application.
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