Settings Screen
This screen contains the settings for the app.
The 'Tone Emission' switch determines whether or not the user will receive guide tone feedback when pressing the 'Focus' button during scanning. If toggled, the user will hear a tone that plays more and more frequently when the QR/barcode gets closer to the center of the camera.
The 'Vibration' switch determines whether or not the user will receive vibration feedback when pressing the 'Focus' button during scanning. If toggled, the user will feel vibrations that'll occur more and more frequently when the QR/barcode gets closer to the center of the camera.
The 'Audio Cues' switch determines whether or not the user will receive spoken feedback when pressing the 'Focus' button during scanning. If toggled, the user will hear a voice that will specify the general QR/barcode location from the center of the camera. Examples phrases include 'left', 'right', and 'not in view'.