When an android activity stopped, it may be recycled by the android OS. But how to store recycled activity instance state data, and use those activity instance data later? Android provides the below methods.
Intent is an important way to interact between components in an Android application. It can not only specify the actions that the current component wants to perform, but also transfer data between different components. An Intent can generally be used to launch activity, service and send broadcast.
If there is only one ListView in your android Activity class, you can make it simpler. You just need to make your activity extends the android.app.ListActivity, then you can manipulate the ListView object in it. This article will show you how to create a single ListView activity.
Activity is a very important component in android application development. It represents a screen which is used to interact with phone user. Commonly there are three important files for creating and use an activity: an XML layout file, a java class file, and AndroidManifest.xml.
Android activity is used to represent Screen. Normally one android app has more than one Screen ( activity ), but how to switch between them? This example will show you how to slip from one screen to another.