Description :
Data security should be considered as top priority in any application and this is not just for password any sensitive data, app internal files including the database file. Any security breach in app secret data or app unique concepts(USP) can make way to competitors/attackers. There are plenty of approaches one can choose to secure app private data.
Why Android Keystore based security : In general in any data encryption/decryption we need to provide the public/private keys. here the challenge is how we can secure these keys. Keystore based security provides solution for this issue where it generates and maintains the key dynamically.