FingerprintManager was deprecated 2 years ago. But still, many applications have not migrated to BiometricPrompt. Why keep using FingerpaintManager is bad? It is because user will not know the dialog can be trust or not. To protect users, applications should migrate to BiometricPrompt , especially banking / payment applications.
Notification, Notifications, or Notification(s)? In Android, Quantity Strings could help you to display the correct singular and plural. Why not let the system to help you? And why you are still displaying something like notification(s)?
Sometimes, if the image is simple, consider lower the color depth of the image. Squoosh is an online tool to help you to optimize the bitmap image. Android support multiple image format, JPEG, GIF, PNG, WebP, HEIF. Choose the one which fits you most. Using VectorDrawable is also a good way to reduce the file size of the image.