July 2018
Intermediate to advanced
462 pages
12h 2m
English
To understand how the progress bar is updated to show the progress of any task, let's create a recipe. This recipe will display a Progress Bar widget, indicating the total time required to download a file. When the user clicks the push button to begin downloading the file, the Progress Bar widget will update from 0% to 100% gradually; that is, the progress bar will update as the file is being downloaded. The Progress Bar widget will show 100% when the file is completely downloaded.
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