1. Context.getFilesDir()
http://developer.android.com/reference/android/content/Context.html#getFilesDir()
"
Returns the absolute path to the directory on the filesystem where files created withopenFileOutput(String, int) are stored.
No permissions are required to read or write to the returned path, since this path is internal storage.
Returns
The path of the directory holding application files.
"
getFilesDir()返回的路径类似：/data/data/com.diamondstudio.isport/
那么在debug时如何访问getFilesDir()返回的路径呢?
How to access data/data folder in Android device?
adb shell / run-as
adb backup