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android – Download Doc/PDF from the internet and save to internal memory

Posted by: admin June 15, 2020 Leave a comment

Questions:

I am attempting to make an application that will primarily open and read a predetermined set of documents that I have. The original idea was for all the documents (about 40 equaling MB) to be copied into the user’s internal memory (/data/data/(appname)/files) on first run or install. I realize that this may be a bad idea with some phones having limited space in the internal memory. I now am thinking of changing my app idea to download a file from a stored location on the internet and have it saved to the internal memory. This way the user can view only the needed documents, severely shaving down the size of the memory needed. I have seen some code snippets of how to download files, for this instance I want to use a PDFs, but I cannot find a way to save them to the internal memory (/data/data/(app)/files). I have seen many snippets dealing with databases but I need to save PDFs and doc files.

Any help on how to: 1. download a doc/PDFs file from the internet, 2. immediately save the file to internal memory, 3. launch the doc/PDFs from the internal memory using a 3rd party program (example being adobe reader).

I appreciate the help!

How to&Answers: