The second link gives you the correct answer. As mentioned there all Apps are sandboxed. This means another app cannot access any data in your app unless your app provide the data.
There are a few exceptions like rooting or compiling the app with the same id but this doesn’t fit to your problem. Think about it. Imagine every app could simply access every other app. This would be a giant security issue.
Asked in February 2016Viewed 2,482 timesVoted 9Answered 1 times