What are the functions of the progress bar in Android?

There are several functions of the ProgressBar in Android.

1. Displaying Progress: ProgressBars can be used to show the progress of tasks, such as downloads, uploads, and other operations.
2. Scheduled updates: ProgressBar can be used to regularly update the UI, such as countdowns or playback progress.
3. Dynamic progress: The ProgressBar can adjust the length of the progress bar based on the completion status of the task.
4. Customize style: You can change the appearance of the ProgressBar by customizing the style, such as color, shape, etc.
5. Cancelable task: The ProgressBar can be linked to a task, so when the user cancels the task, the progress bar will also stop updating accordingly.
6. Note: ProgressBar can display text information on the progress bar, such as current progress, remaining time, etc.
7. Animation effects: ProgressBar can enhance the user experience through animation effects, such as smooth transition effects, gradients, and more.
8. Event monitoring: ProgressBar has the ability to set event listeners, which will trigger corresponding events when the progress changes, such as completing a task or clicking.