Life Cycle

After you create a Xcode project use swift single view app template, it will create a AppDelegate.swift file and a ViewController.swift file. The AppDelegate.swift file contains this iOS app’s life […]

android fragments activity relations

Android fragment belongs to activity. Like activity, fragment also has it’s own life cycle. In one fragment life cycle, there are four states, running state, pause state, stop state and […]

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 […]