export some file or save an image once in a while, you may find this interesting. If your app occasionally write a file, eg. Note: This post is not intended towards Read/Write heavy files such as a photo gallery or a music player. FileProvider is a special subclass of ContentProvider that facilitates secure file sharing with other apps by creating content:// uri. Now, to work with other apps, Android system has provided certain tools and one of them is FileProvider. These sandboxes are not connected from one another which provides security. Each app in Android runs in its own system, like a sandbox.
This article has a bit of a clickbait title and does not focus on any hacks but leverages Android’s ecosystem to show how an app can read, write and share files without requiring READ_EXTERNAL_STORAGE and WRITE_EXTERNAL_STORAGE. Since Marshmallow (API 23, Android 6.0), android ecosystem introduced permission requests and now we have to ask user to explicitly provide permissions which is really good in the sense of privacy for the users, but adds a lot of work for developers and provides kind of bad user experience.
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Taskito - Calendar based to-do list How to get away with READ/WRITE permissions on Android Īndroid has been using permissions since its beginning but never really enforced the correct usage until Marshmallow and developers took advantage of it and went rampant.