There are several Windows a application in the Android

CodePudding user response:

Window said the concept of a Window, the Window is an abstract class
Creates a Window that needs to be done through WindowManager can,
This we don't create word is 1 a

CodePudding user response:

View cannot exist alone, it must adhere to the Window above the abstract concepts, therefore has a View Window, wherever they are Android View of local Activity, Dialog, Toast, PopUpWindow etc, they all corresponds to a Window, a knowledge that is often asked the interview, how many Windows are there in an application? Rather just a Widow, the window creation process some similar, only some different!

CodePudding user response:

Specific how many Activity created, Dialog, Toast, PopUpWindow, concrete corresponds to how much a Window!

CodePudding user response:

The top is PhoneWindow with DecorView, the layout of the inside is you