Dec 10, 2014 - Running via Run ⇢ Run 'app' in Android Studio. Output from the 'app' tab: Waiting for device. /usr/local/android-sdk-macosx/tools/emulator -avd. When developing Android applications, you have to keep in mind all the different Android OS versions and various screen sizes and resolutions. The main objective before releasing an application is to find bugs and design imperfections. Default Android emulator The great thing about using an emulator for development is that it gives you an opportunity to develop applications without having a real Android device. The default Android emulator comes together with the Android SDK and can be found in the 'tools' folder. So far so good, we have our cake, but can we eat it? The answer comes about 5 minutes after we hit the 'Launch' button. Go grab a coffee. Have breakfast. ![]() Download netflix app for mac os x. Wait another 5 minutes. Maybe even more. Finally - the emulator launches, only to show how slow it actually is. All these performance problems stem from the fact that it emulates an ARM processor so it can run the actual code of your application. It accomplishes that by providing dynamic binary translation of the device machine code to the OS and processor architecture of your development machine. Basically, it does a lot of mumbo-jumbo to pretend it's an ARM processor - when actually it isn't. OK, it's slow. So what can we do about it? • Well, first, we can help our CPU out by delegating the rendering process to the GPU by checking 'Use Host GPU' checkbox in AVD's edit window. The screen should now look better and be more responsive. That's because the CPU is not dealing with the tedious work of doing rendering anymore. But, that's still not fast enough. • We can download Intel Atom (x86) images and, while we're at it, download Intel x86 Emulator Accelerator (HAXM, for Mac and Windows only). ![]() This will enable virtual machine acceleration capabilities of the Intel CPU (for more information check ). Now we're getting somewhere, once this baby starts up, it should run fast and smooth. You could say that this level of speed should be sufficient. That may be true, but an issue with the Intel x86 images is that you don't get Google Apps, they only come with ARM images. This is important if you're testing an app that uses GMaps,. So, as we've seen, ARM images aren't fast enough even with hardware acceleration. And emulators don't have the Play Store. Genymotion by Genymobile is a new, fast Android emulator developed by the French company Genymobile. According to, the free version will be feature-rich, and the paid version will be intended for large companies needing a higher level of collaboration on Genymotion. How to use it? Genymotion relies on Oracle VirtualBox to work (version 4.1 or above). • Download and install. For Windows users it's not necessary to install VirtualBox separately, because it is available from the Genymotion site, bundled with the Genymotion emulator.
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