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Take out your mobile phone,dial a number,but imagine you are blind.                              Krajnc E., Knoll M., Fein...
And you don’t havephysical keys                     Krajnc E., Knoll M., Feiner J., Traar M.
A Touch Sensitive User Interface Approach onSmartphones for Visually Impaired and BlindPersonsElmar Krajnc, Mathias Knoll,...
Project Ways4all Complete     www.ways4all.at  Routing and way finding  Indoor navigation  Communication with public trans...
Mobile Phone Market Smart Phones overtakes Mobile Phones Android: 52.5% of the global smartphone market               http...
Accessibilty on Smart Phones Mostly Touchscreens No Standards Examples   Symbian - Talks   Apple - Voice Over   Android   ...
Previous Result Previous Version of the application   Java ME platform   Screen reader Talks Transfer to Touchscreen      ...
Ways4all App on Android General Concept Android   Open Source   Developer Friendly   Built in TTS Engine                  ...
UI Talking View    New View Componet       Handling Touch Input       Self Voicingif ((touchEvent() … ){       tts.speak(i...
Gesture Input       Gestures API       Writing or Gestures as       User Input… GestureLibraries.fromRawResource(this,R.ra...
Talking User Interface Video or Demo                         Krajnc E., Knoll M., Feiner J., Traar M.
Usability Testing Thinking Aloud Test   7 Testuser   2 Blind, 2 Visual Disorder 3 Normal                     Disorder, Fee...
General Problems on Smartphones Accessible Apps vs. Accessible Smartphones 2D Touchscreen vs. 1D Lists No Standards   Diff...
Outlook SW Development is in progress   Text input   More reviews and tests   Converting to other platforms like iPhone   ...
Conclusion Developing for special user groups is challenging New technologies needs new Solutions                        K...
Thanks for your Attention            Elmar Krajnc        elmar.krajnc@fh-joanneum.at        elmar.krajnc@fh           Math...
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Usab11 krajnc knollfeinertraar

  1. 1. Take out your mobile phone,dial a number,but imagine you are blind. Krajnc E., Knoll M., Feiner J., Traar M.
  2. 2. And you don’t havephysical keys Krajnc E., Knoll M., Feiner J., Traar M.
  3. 3. A Touch Sensitive User Interface Approach onSmartphones for Visually Impaired and BlindPersonsElmar Krajnc, Mathias Knoll, Johannes Feiner, Mario TraarUSAB 2011, 25.-26. November 2011, Graz 26. Krajnc E., Knoll M., Feiner J., Traar M.
  4. 4. Project Ways4all Complete www.ways4all.at Routing and way finding Indoor navigation Communication with public transport vehicles Integration in one device, a mobile phoneThis paper: a barrier free UI forTouch Screen Phones Krajnc E., Knoll M., Feiner J., Traar M.
  5. 5. Mobile Phone Market Smart Phones overtakes Mobile Phones Android: 52.5% of the global smartphone market http://articles.businessinsider.com/2011-11-15/tech/30400572_1_smartphone-android-ios http://articles.businessinsider.com/2011 Krajnc E., Knoll M., Feiner J., Traar M.
  6. 6. Accessibilty on Smart Phones Mostly Touchscreens No Standards Examples Symbian - Talks Apple - Voice Over Android Talkback/Eyes Free Project/Self Voicing Apps Krajnc E., Knoll M., Feiner J., Traar M.
  7. 7. Previous Result Previous Version of the application Java ME platform Screen reader Talks Transfer to Touchscreen Krajnc E., Knoll M., Feiner J., Traar M.
  8. 8. Ways4all App on Android General Concept Android Open Source Developer Friendly Built in TTS Engine Krajnc E., Knoll M., Feiner J., Traar M.
  9. 9. UI Talking View New View Componet Handling Touch Input Self Voicingif ((touchEvent() … ){ tts.speak(itemTexts[0],… );} Krajnc E., Knoll M., Feiner J., Traar M.
  10. 10. Gesture Input Gestures API Writing or Gestures as User Input… GestureLibraries.fromRawResource(this,R.raw.myGestures);…predictions = … recognize(gesture);if (prediction.name.equals(“3")) { doSomeThing();} Krajnc E., Knoll M., Feiner J., Traar M.
  11. 11. Talking User Interface Video or Demo Krajnc E., Knoll M., Feiner J., Traar M.
  12. 12. Usability Testing Thinking Aloud Test 7 Testuser 2 Blind, 2 Visual Disorder 3 Normal Disorder, Feedback Intuitive UI Users could fullfil most Tasks Krajnc E., Knoll M., Feiner J., Traar M.
  13. 13. General Problems on Smartphones Accessible Apps vs. Accessible Smartphones 2D Touchscreen vs. 1D Lists No Standards Different Usage on Different Platforms Krajnc E., Knoll M., Feiner J., Traar M.
  14. 14. Outlook SW Development is in progress Text input More reviews and tests Converting to other platforms like iPhone Krajnc E., Knoll M., Feiner J., Traar M.
  15. 15. Conclusion Developing for special user groups is challenging New technologies needs new Solutions Krajnc E., Knoll M., Feiner J., Traar M.
  16. 16. Thanks for your Attention Elmar Krajnc elmar.krajnc@fh-joanneum.at elmar.krajnc@fh Mathias Knoll Mathias.knoll@fh-joanneum.at Mathias.knoll@fh Johannes Feiner johannes.feiner@fh-joanneum.at johannes.feiner@fh Mario Traar mario.traar@fh-joanneum.at mario.traar@fh FH JOANNEUM University of Applied Sciences www.fh-joanneum.at/itm joanneum.at/itm Krajnc E., Knoll M., Feiner J., Traar M.

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