Use APKPure App
Get Tap/Hold Camera old version APK for Android
Picture and Video feature in one screen, tap for picture and hold for video.
For developer only picture and video feature in one screen with one button only, tap for picture and hold for video.
It Requires following permissions.
1) external storage permission.
2) camera permission.
3) audio recording permission.
Source code link: https://github.com/mhassanreza/Tap-hold-Camera