<provider
          android:name="android.support.v4.content.FileProvider"
          android:authorities="${applicationId}.fileprovider"
          android:exported="false"
          android:grantUriPermissions="true">

          <meta-data
                     android:name="android.support.FILE_PROVIDER_PATHS"
                     android:resource="@xml/file_paths" />
</provider>