Usab11 krajnc knollfeinertraar
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Usab11 krajnc knollfeinertraar Usab11 krajnc knollfeinertraar Presentation Transcript

  • Take out your mobile phone,dial a number,but imagine you are blind. Krajnc E., Knoll M., Feiner J., Traar M.
  • 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, Johannes Feiner, Mario TraarUSAB 2011, 25.-26. November 2011, Graz 26. Krajnc E., Knoll M., Feiner J., Traar M.
  • 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.
  • 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.
  • 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.
  • Previous Result Previous Version of the application Java ME platform Screen reader Talks Transfer to Touchscreen Krajnc E., Knoll M., Feiner J., Traar M.
  • Ways4all App on Android General Concept Android Open Source Developer Friendly Built in TTS Engine Krajnc E., Knoll M., Feiner J., Traar M.
  • UI Talking View New View Componet Handling Touch Input Self Voicingif ((touchEvent() … ){ tts.speak(itemTexts[0],… );} Krajnc E., Knoll M., Feiner J., Traar M.
  • 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.
  • 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, Feedback Intuitive UI Users could fullfil most Tasks Krajnc E., Knoll M., Feiner J., Traar M.
  • 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.
  • 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.
  • Conclusion Developing for special user groups is challenging New technologies needs new Solutions Krajnc E., Knoll M., Feiner J., Traar M.
  • 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.