Barak questions

Barak answers

• When using the singleton design pattern, do other methods need to use synchronized keyword to ensure thread safety?
• Change PasswordToggle Gravity to the left (for RTL language)
• Firebase Storage security rule error- User does not have permission
• Firebase: Create/Update multiple child nodes atomically
• How to disable Firebase Phone Auth Android auto-sign-in (onVerificationCompleted callback)
• Saving Files in Android - For Beginners (Internal / External Storage)