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Im currently trying to write an application in my own time in between school and work, and i have a question about onCreate.
Does each class in the application need an onCreate or is it only the main class that needs one, like the first class that is called when launching the app.
Or is it only required on classes that have an XML that is going to be used with it, or a class displaying something.
Android has four types of application components:
Each of your activities will have an onCreate( ). How many activities you want depends totally on your app and your choice. Services also have an onCreate( ).