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- Here, the android progress bar dialog box to display the status of work being done e.g. downloading file, analyzing status of work etc.
- The ProgressDialog class provides methods to work on progress bar like setProgress(), setMessage(), setProgressStyle(), setMax(), show() etc.
- The progress range of Progress Dialog is 0 to 10000.
- Progress bars are used to show progress of a task.
- For example, when you are uploading or downloading something from the internet, it is better to show the progress of download/upload to the user.
- In android, there is a class called ProgressDialog that allows you to create progress bar.
- In order to do this, you need to instantiate an object of this class. Its syntax is.
- A progress bar is a graphical control element used to visualize the progression of an extended computer operation, such as a
- file transfer, or
- Sometimes, the graphic is accompanied by a textual representation of the progress in a percent format.
1. Add a Button
- Open “res/layout/main.xml” file, just add normal button for Demo - android emulator - android tutorialnstration.
- File : res/layout/main.xml
2. Android Code
- The key to use progress bar is using “Thread” to run your time consume task and another “Thread” to update the progress bar status accordingly.
- File : MyAndroidAppActivity.java
3. Demo - android emulator - android tutorial
- Run the application.
- Result, a single button.
- Click on the button, it will prompt a "progress bar dialog" to show the current download progress.
- Task is completed, progress bar will show 100%, and close automatically.