hi, I'm working in a project which need to show my MainActivity after i run several java
class. i need to run bluetooth> register > MainActivity. MainActivity is the only activity that contain layout. because Bluetooth and register doesn't have layout, i deleted this
;. I also put intent in my program to refer one activity to another. After that i change my AndroidManifest stuctured like this :
after i open the program, it shut down immediately. can you tell me how to switch activity properly without android launcher shooting down? thank you for your help.