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21. Hello World Using Android Studio

Design + Code an Android App from Scratch

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This video shows you how to setup a simple Hello World App in Android. Start Android Studio, check if you have the latest version along with all the updates, select ‘Start a new Android Studio project’. Specify the name of the application, company domain that is used to identify all that apps that you will build in the future, project location which lets you store project files to a particular directory. Decide whether you want to target only phones or tablets, wear, TV and auto in addition to glass. Use one of the standard templates provided by Android Studio that control how many screens are created for you initially. Specify the name of your main screen or main activity along with a name for its XML layout file that simply controls what the user sees on that screen. Edit the styles.xml file to specify that we want to display our main screen without the horizontal bar at the top which is called as the app bar or action bar or Toolbar in Android. This video also shows you how to fix errors and bugs using Google and Stack Overflow. At the end of this video, you’ll be able to run a simple hello world app in Android in the standard emulator that Android Studio provides.

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