Writings.

INSTALL_FAILED_DOWNGRADE easy fix 29 Oct 2019 android dev
Linux Mint disable MTP auto-mount 20 Mar 2019 android
Wow!? Kotlin has pointers? 06 Feb 2019 android
QR reader on Android [built-in] 28 Nov 2018 android
Gradle fails with “Could not find aapt2-proto.jar” 14 Nov 2018 android