Guys , i need a help with my app development !

Question

I created an app with tasker app factory(from mobile)and it needs specific permissions,like contacts,storage and message.but when i install this app,its not asking for the permissions and so i have to turn it on by going into app settings,What changes should i make to my app to ask permissions while opening for 1st time??
please provide full details as i am a beginner!

Answer 1

white a command to ask them for permissions when the app starts running

Answer 2

what i need is, how where should i write the command?

Answer 3

@sahai kabeer write it at the beginning of the program ex. ask permissions if permissions are approved run the app else dont run the app simple