ionic how to install NDK version 21.0.6113669 code example

Example: NDK at /Users/Library/Android/sdk/ndk/21.1.6352462 did not have a source.properties file

#1- In build.gradle file add ndkVersion
android {
        ndkVersion '21.1.6528147'
    }
#2- In local.properties remove ndk.dir
ndk.dir=~/Library/Android/sdk/ndk-bundle