In previous articles I have discussed about the work area from the Android Studio, so until I expect that you can run android studio properly. In this article the android studio tutorial will discuss how to easily overcome the error of "classes not found" that occur in the android studio version 1.2 which led to the emergence of the message "rendering problems". So the window design cannot show the results of a project design that we created which is usually a mobile phone picture.
When you have to replace the API Google from 22 to 21, the layouts in the form of mobile phones will be on the show, so you can use it to create android studio project or application. API 21 Google itself is used for the android operating system version 5.0.1. The following appearance of the result changes when the android version was changed to API 21.
That became my record is when you change the version of the API Google android in the form of 22 to 21, then you must first have the file API 21. Because of inherent version of Android studio 2.1 is the API 22. And to get the API 21, you must install it first, so must connect to the internet. I suggest you have a fast internet connection, because the file is large enough passable.
How to download Google API on android studio
Before we install the file API 21 make sure you've opened the android studio editor, and then from the toolbar you select the SDK Manager, for more details you can see in the image below.
Click the toolbar SDK Manager, so that will come out SDK Manager window as below.
Tick the check box option located on the left side where it serves to select which files from the API 21 that we want to install. I suggest not all API files installed, as it will take up much space on your hard drive, select any file the essentials such as:
- SDK Platform
- Android TV ARM EABI v7a System Image
- Android TV Intel x86 Atom System Image
- Android Wear ARM EABI v7a System Image
- Google APIs
- Sources for Android SDK
Those are some important files that you must install so that later android device monitors can run well without the advent of classes not found error message. It turns out easily not resolve the error message classes not found on android studio, hopefully this article can provide benefits to you that while confusion because android device monitors could not walk due to error classes not found.
For those of you who want to have this article as a PDF file can be downloaded via the links I've listed below. Keep visiting this blog android studio tutorial, because there will always be the latest news of this blog.
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