Android file storage and common problem solving

Android file storage

Look at the file storage routines that can be found everywhere on the Internet

There must be no error in this code, but it deceived many young developers.

When you store a file in this way, you will report that the file does not exist. You begin to think that this path is obtained by me, not written by me. How can it not exist, but the acquisition is only a logical existence, not a real existence. Therefore, we must create its folder and create the file when the file does not exist, So the standard writing should be

In this case, if the folder does not exist, create it recursively, and this problem is solved perfectly.

Thank you for reading, hope to help you, thank you for your support to this site!