Is it mandatory to call onCreate() and onStart() in android?

Options
1) No, we can write the program without writing onCreate() and onStart()
2) Yes, we should call onCreate() and onStart() to write the program
3) At least we need to call onCreate() once
4) None of the above

• No, we can write without calling onCreate thats callback method...blank screen will show....
• 6 years agoHelpfull: Yes(1) No(1)
• At least we need to call onCreate() once
• 7 years agoHelpfull: Yes(0) No(0)
• At least we need to call onCreate() once
• 7 years agoHelpfull: Yes(0) No(0)
• At least we need to call onCreate() once
• 7 years agoHelpfull: Yes(0) No(0)
• 3) At least we need to call onCreate() once
• 6 years agoHelpfull: Yes(0) No(0)