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I have been developing an application which needs to download a file from the Internet and save it into memory; application doesn’t need to save directly on to the SD card, because the SD card may be full. How can I save the file in memory using Java? Thank you.
If you just need the data, why not just save the data in memory?
If you really need to save to a file, maybe below is what you need:
https://developer.android.com/reference/android/os/MemoryFile.html