The success of my navigation interface relies on the user being able to distinguish their left and rights with different vibration patterns. The app will vibrate with three different patterns. One will tell the user to turn right, one will tell the user to turn left and one will make the user turn right then the third vibration pattern will notify the user that they are heading in the wrong direction. By keeping the patterns to only three it will make them easy to remember and distinguish. by keeping it simple it is my thoughts that the vibrations will work their way into the users subconscious quick enough so they will no longer have to consciously think about when and where to turn. There are a few problems i will need to address so the app has fewer bugs when it is tested. Firstly, the vibrations need to be prominent enough so every user, regardless of his or her sensitivity can feel the vibrations. This will be addressed with the vibrations strength control in the options menu. Secondly the vibration patterns will need to be different to those of text alerts or alarms. I think the app may have to disable any other vibration alerts and turn them into sound alerts while the app is active. Thirdly the user's initial orientation, which direction they will begin walking. This may have to be dictated buy an in app directional arrow that is displayed on screen before the user put the app in their pocket.
Summary of initial bugs
- Vibration strength slider.
- Distinguishable alerts (Text, Alarm, Phone call)
- Initial orientation arrow
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