how to make an autofill app like dashlane, or lastpass on android studio. I want to make an autofill app, example facebook, It can autofill my login credentials on facebook. I want my password manager can autofill on different websites.
You can use Android Autofill Framework, which is available from Android 8 (API 26). https://developer.android.com/guide/topics/text/autofill-services