Android programming implements the method of starting another program in one program

This example describes the method of Android programming to start another program in one program. Share with you for your reference, as follows:

Android development sometimes needs to start another application in one application. For example, the launcher loads the list of all installed programs. When you click the icon, you can start another application.

Generally, after we know the package name and mainactivity name of another application, we can start it directly through the following code:

But more often, we don't know the class name of the application's startup activity, but only the package name. We can get the class name of the startup activity through the resolveinfo class.

The following is the implementation code:

For more Android related content, readers who are interested can view the special topics of this site: introduction and advanced tutorial of Android development, summary of Android view skills, summary of activity operation skills of Android programming, summary of skills of operating SQLite database for Android, summary of skills of operating JSON format data for Android, summary of operating skills of Android database Summary of Android file operation skills, summary of SD card operation methods for Android programming development, summary of Android resource operation skills and summary of Android control usage

I hope this article will help you in Android programming.