APPENDIX DFixing a Problem with the Android Studio Emulator

The free Android Studio integrated development environment (IDE) has become the official tool for creating Android apps since its release in 2015. You learn how to create mobile apps in Java with this IDE during Hour 24, “Writing Android Apps.”

If you already have read that chapter and successfully run an app in an Android emulator, you don’t need to read this appendix.

But if you couldn’t make the emulator work at all, you’re in the right place.

Problems Running an App

When you are working on an Android project in Android Studio and you want to run the app, you can choose the menu command Run, Run App.

This command opens a Choose Device dialog that asks for the device where the app ...

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