To install Android Studio, go to Android Studio and follow the instructions to download and install it.
When creating a new app, ensure that API 15: Android 4.0.3 IceCreamSandwich is set as the Minimum SDK.
To see the app's Android hierarchy in the Project pane, click the Project tab in the vertical tab column, and then choose Android in the popup menu at the top.
build.gradle(Module:app) file when you need to add new libraries to your project or change library versions.
All code and resources for the app are located within the
res folders. The
java folder includes activities, tests, and other components in Java source code. The
res folder holds resources, such as layouts, strings, and images.
AndroidManifest.xml file to add features components and permissions to your Android app. All components for an app, such as multiple activities, must be declared in this XML file.
Use the Android Virtual Device (AVD) manager to create a virtual device (also known as an emulator) to run your app.
Log statements to your app, which display messages in the Logcat pane as a basic tool for debugging.
To run your app on a physical Android device using Android Studio, turn on USB Debugging on the device. Open Settings > About phone and tap Build number seven times. Return to the previous screen (Settings), and tap Developer options. Choose USB Debugging.