Is the app waiting for the user to complete a task?
Create task in progressive downloader update#
Use a determinate ProgressRing if you want the visual to be a ring instead of a bar, and update the percentage or value accordingly.
Does the control have a defined duration or predictable end?. If an operation requires all (or a large portion of) interaction with the app to wait until it has been completed, then the indeterminate ProgressRing is the better choice. Will the operation cause the user to wait to continue? If your operation falls around these keywords, or if you're showing text that alongside the progress operation that matches these keywords consider using a ProgressBar: When a ProgressBar is in use, interaction is non-modal, typically meaning that the user is not blocked by that operation's completion, and can continue to use the app in other ways until that aspect has completed. Use a determinate ProgressBar then, and update the percentage or value accordingly.Ĭan the user continue without having to monitor the operation's progress? ProgressBarĭoes the control have a defined duration or predictable end? Sometimes a task is obvious enough that it doesn't require a progress control at all – and sometimes even if a progress control is used, a line of text is still necessary in order to explain to the user what operation is underway. It's not always obvious what control or what state (determinate vs indeterminate) to use when trying to show something is happening. Meaning that the user cannot invoke or use these controls directly. The indeterminate state for ProgressRing shows that an operation is underway, blocks user interaction with the app, and its completion time is unknown.Īdditionally, a progress control is read only and not interactive. The indeterminate state for ProgressBar shows that an operation is underway, does not block user interaction with the app, and its completion time is unknown. This should be used during an operation whose duration is known, but its progress should not block the user's interaction with the app. The determinate state for both ProgressBar and ProgressRing shows the percentage completed of a task. Both ProgressBar and ProgressRing have two states that communicate if the user can interact with the application or not. 
There are two controls to show the user that an operation is underway – either through a ProgressBar or through a ProgressRing. It can mean that the user cannot interact with the app when the progress indicator is visible, and can also indicate how long the wait time might be, depending on the indicator used. A progress control provides feedback to the user that a long-running operation is underway.
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