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Stress Test Android App with Monkey Tool


Android SDK comes bundled with many utilities which are quite useful for software testers. In this article, we will talk about one such utility called Monkey. Monkey is a simple tool which allow you to stress test Android app.
Monkey is a program that runs on your actual Android device or emulator. While running, it generates pseudo-random user events such as touch, click, rotate, swipe, mute the phone, shutdown WiFi and many more, to stress test your app and to see how your app is handling all those inputs. Shortly, you can simulate a user using your application using Monkey tool.
To use this tool, you need Android SDK installed in your system. Also, you need to have package name of application you want to test. You can get the application package name from AndroidManifest.xml file.
In the example that follows, we will perform stress testing of stock Android Calculator application on emulator. If you want to stress test app on real device, connect it with your computer with USB Debugging enabled. Enough with the talks. Let’s see Monkey in action with below steps.
  • Open Command Prompt.
  • In Command Prompt, navigate to your Android SDK’s platform-tools directory where adb is located (Eg. D:\adt-bundle-windows-x86-20140702\sdk\platform-tools).
  • Run below command. Here, com.android.calculator2 is package name of stock Android Calculator app. 100 denotes the number of random commands that monkey will perform on the app.
  • Monkey will start executing random events on Calculator.
Fore more command options for Monkey tool, check out this link. In the above example, actions performed by Monkey on app won’t make any sense, but the aim here is to detect bugs in your app, and this can be very useful for stress testing as well.
If you are doing mobile testing, we recommend you try Monkey tool once to stress test Android app. We hope it would be helpful in detecting bugs in your application.
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