The Android Emulator
The Android emulator, included in the Android SDK, allows you to run Android apps in a simulated environment within Windows, Mac OS X or Linux, without using an actual Android device. The emulator displays a realistic Android user-interface window. It’s particularly useful if you do not have access to Android devices for testing. You should certainly test your apps on a variety of Android devices before uploading them to Google Play.
Before running an app in the emulator, you’ll need to create an Android Virtual Device (AVD), which defines the characteristics of the device on which you want to test, including the hardware, system image, screen size, data storage and more. If you want to test your apps for multiple Android ...
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