Simple usage example of ProgressDialog in Android Development

This article describes the simple usage of ProgressDialog in Android development. Share with you for your reference, as follows:

Generally, the examples of progress bar on the Internet are how to display, and there is no article on how to close at the end of the task. Refer to other articles, and a simple example of displaying the whole set of progress bar after experiment is as follows:

The establishment of Android project and other work are omitted. Just Google.

Let's introduce the main activities

ProgressBarDemo.java

Calculation.java

Main.xml file

In Android, we usually can't update the UI in a separate thread, but in the main thread. That's why we use the handler. When the handler receives a message, it will put it in the queue for execution. Generally speaking, it will be executed soon.

More readers interested in Android related content can view the special topics of this site: introduction and advanced tutorial of Android development, summary of Android debugging skills and common problem solving methods, summary of Android basic component usage, summary of Android view skills, summary of Android layout skills and summary of Android control usage

I hope this article will help you in Android programming.