Activity Compat

Method to finish current activity

Method to check if application has permission

Method to check if the application has permissions

method to group action like click, gesture, from View

method to group data initialization either from arguments, bundle, or intent

method to group any kind of observer, either it MutableLiveData, RXEventBus, or else

method to group view initialization and configuration

Method to start picking image from camera

Method to start picking image from gallery

Method to request permission to user

Method to attach fragment to layout

Method to set activity's toolbar

method to simply start activity