How to read all image from sub folder of assets in android
Create new project and add an imageswitcher to activity_main.xml then open MainActivity.java firstly we need to reach assets folder in android to reach assets folder there is an assets manager basicly you can use assets manager like that
AssetManager assetManager = getAssets();
/* this will read main folder of assets
if you need read sub folder
just add folder name before file (subfolder/filename)
*/
InputStream inputStream= assetManager.open("File name");