![]() Your app continues to run as normal and it simply loads the changes the next time the relevant method is called. Hot Swap: Instant Run can apply incremental code changes without having to relaunch your app or even restart the current Activity.However, the way Instant Run applies your updates will vary depending on the nature of those updates and some updates are easier to apply than others: In the best case scenario, your app won’t even need to restart - your code changes will appear in the running instance of your app, as if by magic. Instant Run promises to make sitting around and waiting for the emulator to re-install your app a thing of the past. Instant Run iconĬlick either of these buttons and Android Studio will push your updated code or resources to the instance of your app that’s already running in the AVD, without requiring a full reinstall. However, the next time you make changes to your project, you’ll notice a small, yellow thunderbolt icon appears within the ‘Run’ and ‘Debug’ buttons. ![]() The first time you hit ‘Run’ or ‘Debug’ with Instant Run enabled, Android Studio launches the emulator, loads your chosen AVD, and pushes your APK normally. If that sounds familiar, then you’re going to love Instant Run. If you’ve ever installed a work-in-progress project on an AVD, made some changes to that project, and then tried to push those changes to the AVD no doubt you’ve been left tapping your foot while the AVD re-installs and re-launches your project from scratch. The Android team have recently made some huge improvements to Android Studio, including the addition of Instant Run. Make use of Android Studio’s ‘Instant Run’ Note, since Android Studio is now the recommended development environment for Android, all of these tips are geared towards Android Studio, although some of them will be applicable to Eclipse users, too. In this article, I’m going to share 6 tips and tricks for supercharging the Android SDK’s built-in emulator. ![]() The good news is, the emulator doesn’t have to leave you tearing your hair out. The emulator has improved in recent years, so it’s nowhere near as slow as it used to be, but testing on the emulator can still be a frustrating experience, particularly if you need to keep switching between multiple Android Virtual Devices (AVDs). A seriously long time.ĭespite this drawback, the emulator is still the best way to test how your app translates across multiple hardware and software configurations-so there’s no getting away from the fact: sooner or later you’re going to have to boot up the emulator. Better get comfortable, because the emulator takes a long time to load. However, the emulator does have one massive flaw, which becomes glaringly obvious the first time you launch it. It gives you the ability to test your Android projects across more devices than you could ever realistically hope to get your hands on. ![]() Now, select the Path variable under your user account and click on the Edit button.The emulator is one of the most powerful tools in the Android developer’s arsenal. In the System Properties window, click on the Environment Variable button appearing at the bottom of the window.Ĥ. Open the start menu, search for Environment Variables and open it.ģ. Now, click on the address bar and copy the folder path.Ģ. Just like before, go to the Emulator folder in the Android SDK folder. Follow the below steps to add Android emulator to Windows path.ġ. That way, you don’t have to go to the SDK folder manually just to launch the virtual device. However, if you are going through this procedure frequently, then you can make your life easier by adding the Emulator folder as an environment variable to the Windows path. If you only launch AVD manager without Android Studio occasionally, then the above method is good enough. (Optional) Add Android Emulator to Windows Path If you do, the device will be turned off. You can access all the settings of the virtual device too.įinally, do not close the PowerShell or Command Prompt window while the virtual device is running. As soon as you execute the command, the AVD manager will launch the virtual device.Ħ. Don’t forget to replace with the actual device name you got from the above command.\emulator.exe -avd " "ĥ. Now, execute the below command to launch the virtual device. In my case, there is only one virtual device.\emulator.exe -list-avdsĤ. So, execute the below command and it will list all the devices with their names. To launch Android emulator, we first need to know the name of the virtual device. Note: If you are using Windows 7 or 8, you will Open Command Prompt Here option, select it.ģ.
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