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Vital help for beginner

Dr Zeuss

Lurker
Hello, im a c# veteran and want to use Android Studio, but the whole structure is very different from what i know. Im in need for some simple, solid help on basic app architecture parts like:


What life-circle callbacks im actually gonna use?

How do i make a transition from a fragment to another and same for activity?

Wth is a ComponentView? I only know Activities & Views.

How do i get a view (button, textbox etc) from code?

If the user swaps between activities and fragments, where do i store the data i need during runtime?

When a fragment/activity is paused, can i access its scripts variables?

How do i access another script?

What exactly is a Bundle?

What form does a service have in the project? Is it a script?


Im lost so any help here is precious.
 
That's a lot of questions there. In terms of app architecture, you could benefit from reading through this article

https://codelabs.developers.google.com/codelabs/android-room-with-a-view/#0

This diagram shows a good overview of architectural components:


android_architecture.png
 
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