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Vinay Mishra5,496 Points
'Build' and 'run'. What is the difference
I see the the video uses the terms 'build the app' and 'run the app'. What happens in each of them and how are they different?
Building is basically "compiling" your code to run. This is convenient, because you don't need to run your app in an emulator in order to check if there are any errors in your code. Later on, you will "build" an app for release, in which you change several things in your code to prepare a release version.. but that comes later. If I missed anything, someone please correct me or add on to this explanation, but I think that covers it in a nut shell. If you want more info, check out the link here: (https://developer.android.com/tools/building/building-studio.html)