android activity state

Android activity life cycle is very important. You can make your android application more efficiency and smooth when you understand the activity life cycle clearly. This article will introduce android […]

andrlid list activity runtime error

If there is only one ListView in your android activity, you can make it simpler. You just need make your activity extends, then you can manipulate the ListView object in […]

Activity is a very important component in android application development. It represent a screen which is used to interact with phone user. Commonly there are three important files for create […]