lib4 questions

lib4 answers

• Android Studio - External library folder not refresh
• How to insert null field using Room Android
• Room database Insert or update but keep a database field?
• Android edittext two decimal places
• Does BuildConfig.VERSION_CODE not get changed if we are using multiple APK's
• How to show heads up notification in Oreo or higher
• add unique constraint in room database to multiple column
• How to create different version numbers for same apk files with different cpu architecture
• How to change the package name of an Android flavor app with Gradle?