Android Studio Tutorials: Java Edition

• Added a new lesson on using Per-app language preferences.
• Added a new lesson on using Progress Bar.
• Added a new lesson on using Chronometer.
• Added a new lesson on using Simple Notifications.
• Added a new lesson on using Inbox Style Notifications.
• Added a new support page to show appreciation and gratitude to the developer.
• Added snack bars instead of toasts for all notifications.
• Added a new GDPR message to comply with Google Play policy.
• Added a new help center, with more comprehensive documentation and support options.
• Added tooltips to help users understand what is happening in the app.
• Redesigned the Buttons, Switches, Images, Image Buttons and Linear Layout lessons to make them more user-friendly.
• Made various project structure enhancements for better readability and maintainability.
• Made various under-the-hood improvements for a better overall app experience.