React Native Task :app:validateSigningDebug FAILED

Question

I am completely new to react-native and android. I have downloaded a project from Github and used commands yarn install and react-native run-android to

Answer 1

I was having same error, It was solved by this https://coderwall.com/p/r09hoq/android-generate-release-debug-keystores

do

cd ./android/app/

and then

keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000