What are the different ways to test our code? Well, the first thing is that we have the emulator. The emulator comes with Android Studio in the SDK and is quite sluggish, but it is already installed and ready to use, allowing you to customize and simulate different phones. The second way, we now have this actual physical device. The devices are incredibly accurate. I mean you run the code on a physical phone. The problem here is that since Android runs on so many different types, it can get quite expensive, especially if you want to test on 100 devices. Your third option is to try something called Genymotion. Genymotion is my favorite because not only does it emulate a phone, it actually turns your computer into a very powerful phone, so it’s incredibly fast, faster than even on a device. It’s also like an emulator, very cheap. You can simply browse and simulate as many different devices as you like. Test things without having to buy brand-new hardware, so pros usually use what they like best. I tend to find that when I have a bug in a very specific device I’m testing on the device, but at this point, I’m not using an emulator at all, so why Genymotion? Well, for starters, instead of configuring the emulator for the connection, you have the opportunity to simply download various ready-made devices, many of which are already common. You can customize them too, but it’s a lot easier to download exactly what you want rather than having to configure it yourself. Once you have a phone up and running, you’ll see the screen. Now you can simulate so many different things apart from being able to play with the charge level. And whether it’s loading or unloading, the GPS is fantastic, you can just walk to a map. And you can type, you know a specific place, it will find it, and then it will have the latitude and longitude. You can change the precision. For all the things you might want to test your device externally you can just play with the settings directly. Besides, you can also connect the camera to your webcam on your laptop, which is helpful. When trying to troubleshoot camera apps, it’s much easier to quickly scan through that experience than wait for it to be available on the device and then move it to where you want to watch. So if you’re just starting, use the emulator or device if you have one or just having configuration issues.
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