SDK location not found. Define location with sdk.dir in the local.properties file or with an ANDROID_HOME environment variable

I recently tried to import sample Android games I downloaded from Google's developer website. After importing them into Android Studio, I'm getting the following error:

Error: SDK location not found. Define location with sdk.dir in the local.properties file or with an ANDROID_HOME environment variable.

What is this? I want to run the sample programs from Android Studio.

Please follow the below steps:

• Go to your react-native Project then go to the android directory Create a file with the following name:

local.properties

• Open the file and paste your Android SDK path like below:

For windows users:

sdk.dir=C:\\Users\\UserName\\AppData\\Local\\Android\\sdk

or (for newer versions of Android Studio / IntelliJ IDEA):

sdk.dir=C\:\\Users\\USERNAME\\AppData\\Local\\Android\\sdk

Where USERNAME your PC user name. Also, make sure the folder is sdk or Sdk.

Example:

sdk.dir=C:\\Users\\USERNAME\\AppData\\Local\\Android\\sdk

or:

sdk.dir=C\:\\Users\\USERNAME\\AppData\\Local\\Android\\Sdk

For Mac users:

sdk.dir = /Users/USERNAME/Library/Android/sdk

Where USERNAME is your OSX username.

For Linux (Ubuntu) users:

sdk.dir = /home/USERNAME/Android/Sdk

Where USERNAME is your linux username (Linux paths are case-sensitive: make sure the case of S in Sdk matches)

In case this doesn't work, add ANDROID_HOME variable in "Environment Variables" as C:\Users\USER\AppData\Local\Android\Sdk