Detailed explanation of the method of Android programming to realize the alarm clock

This paper describes the method of Android programming to realize the alarm clock. Share with you for your reference, as follows:

In Android, there is an alarm clock class, AlarmManager class, through which we can operate the notifications in the system!

This article uses the two background management of service and broadcast. There have been many problems in processing, but after half a day's efforts, they have finally been solved!

The first is the main.xml file:

MainActivity.Java:

AlarmService.java

The following is the key code of this article. Understand the mechanism from activity to broadcast. This small application is well implemented~

AlermReceiver.java

Note that mainifest.xml:

Note: it cannot run in the simulator~

PS: for the properties and functions related to the androidmanifest.xml file, please refer to the online tools of this website:

Description of Android manifest functions and permissions: http://tools.jb51.net/table/AndroidManifest

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.