Scale : Bitmap.createScaledBitmap(Bitmap src, int dstWidth, int dstHeight... Random : https://stackoverflow.com/questions/35118003/android-studio-array-arraylist-list-java# Recurcive file list : https://stackoverflow.com/questions/9530921/list-all-the-files-from-all-the-folder-in-a-single-list Right to left swipe gestures : https://stackoverflow.com/questions/4139288/android-how-to-handle-right-to-left-swipe-gestures TimerTask : http://android-er.blogspot.com/2013/12/example-of-using-timer-and-timertask-on.html Zoom : https://github.com/MikeOrtiz/TouchImageView
Minimum API 16 Android Studio
Palpac_Prod_2018