Why Images.Media.insertImage return null

Question

I have some code where I run the method MediaStore.Images.Media.insertImage (inserting it from a source not a file name), This code saves the image to the MediaStore and ret

Answer 1

MediaStore.Images.Media.insertImage is actually accessing external storage to save the image.

Some important reminders which might be causing your app to fail:

1. A USB connection will block SD card usage if in Mass Storage mode.

2. There may be other factors that might lead to an SD card being inaccessible, so make sure that you can access the SD card using a file browser first.

3. Make sure that your permissions are correctly configured with android.permission.WRITE_EXTERNAL_STORAGE

Posting this here for completeness, as I was getting a null from insertImage, and the cause was 1.