Survey on the text entry methods used in touch screen mobile devices by visually challenged

2017 ◽  
Vol 9 (4) ◽  
pp. 313
Author(s):  
M. Shabnam ◽  
S. Govindarajan
Author(s):  
Mark David Dunlop ◽  
Michelle Montgomery Masters

Text entry on mobile devices (e.g. phones and PDAs) has been a research challenge since devices shrank below laptop size: mobile devices are simply too small to have a traditional full-size keyboard. There has been a profusion of research into text entry techniques for smaller keyboards and touch screens: some of which have become mainstream, while others have not lived up to early expectations. As the mobile phone industry moves to mainstream touch screen interaction we will review the range of input techniques for mobiles, together with evaluations that have taken place to assess their validity: from theoretical modelling through to formal usability experiments. We also report initial results on iPhone text entry speed.


Author(s):  
Takashi Ohta ◽  
Jun Tanaka

The authors propose the use of a pinching gesture for relating the applications running on discrete mobile devices. The gesture is realized by swiping the touch-screen of two annexed mobile devices as if pinching them together. The authors believe that this user interface can create new user experiences of multiple-screen usages, especially by designing the applications’ content to react instantly to the connection and disconnection triggered by the gesture, and to make it happen even while applications are running in each device. The authors expect this interface to fulfill a great potential in inspiring application designers to conceive various ideas especially suited for visually fascinating contents that take advantage of the dynamic reconfigurable multi-display feature. To demonstrate that potential, the authors produced some sample applications. Herein, the authors explain the idea and details of the interface mechanism, and explain the design of sample applications.


Author(s):  
Rajesh Keshavrao Deshmukh ◽  
Shilpa Markandey ◽  
Pooja Sahu

The Android is mobile platform. It is an open source and free operating system application, by Google it is developed and maintained. It was designed essentially for touch screen mobile devices, such as and tablet, computers, smart phones, watch television, cars etc. Android is one of the most widely used mobile OS. Android is a not only operating system but also key applications and middleware. Android is an open source operating system. It is developed by the open handset Alliance, led by Google, and other companies. Those are used to android studio 2.2.3 version and development the mobile application.


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