What is the android activity lifecycle ? How an android create new activity?There are a lot articles about the android activity lifecycle, most of them are just talking about a legend process.And has not clarified the principle.Now we carefully analyze the android activity lifecycle.

The same as the other mobile phone platform applications, the Android application activity lifecycle is unified control, which means that the fate of the applications written is in the hands of the system, we can't change it, only learn and adapt to it.

It is easy to say :When our cellphone is running an application, maybe receive a phone call or a text message, or the cellphone is out of battery.Then the application will be interrupted to give priority to serve the basic functions of the principle, Read more