is there a maximum size to android internal storage allocated for an app?

Question

I want to save a json file with all the application data (something similar to preference) but im not sure what is the limit size, because if the app cant use this file it w

Answer 1

There is definitely a cap around 3.5 GB per app in /sdcard/Android/data/, at least on certain devices. This also applies to the images provided by Google for the official Android Emulator. I noticed this when I repeatedly got "out of disk space" errors in a certain Android app built with Unity that downloads a lot of image, video, audio data. Each time it happened when the folder in the aforementioned location grew to around 3.5 GB. No amount of clearing space will fix this. There seems to be zero documentation about this behaviour, however.