Android programming realizes the progress bar function displayed on the title [with source code download]

This article describes an example of Android programming to realize the progress bar function displayed on the title. Share with you for your reference, as follows:

Today, let's learn about the progress bar displayed on the activity title in Android. In this example, we can also learn a lot about asynctask.

(1) Prepare four pictures img01, img02, img03 and img04 for display on the interface

(2) In the layout file activity_ Only one linear layout is defined in main.xml, and an ID is set for it. The code is as follows:

(3) Java code part, through requestwindowfeature (window. Feature_progress); Statement to set the activity title bar to progress bar style, and then instantiate and start a mytask object. The code is as follows:

Right click to run Android project. The effect is as follows:

After the progress bar is executed, four pictures will be displayed on the interface.

Attachment: click here to download the complete example code.

For more Android related content, readers who are interested can view the topics on this site: introduction and advanced tutorial of Android development, summary of Android debugging skills and common problem solutions, summary of Android multimedia operation skills (audio, video, recording, etc.), summary of Android basic component usage, summary of Android view skills Android layout skills summary and Android control usage summary

I hope this article will help you in Android programming.