Studies on Text Input Methods of Mobile Keypad
Liezhong Ge · Keji daobao · 2012
Keypad input based on thumb operation in the present as well as in the future will be irreplaceably used as an input mode in mobiles.Therefore the efficiency of mobile keypad text input has become one of important symbols weighting the level of mobile's usability.The paper concluded the studying developments of mobile keypad text input from different aspects such as improved study on mobile keypad text input,study on Chinese mobile keypad text input and model predict and evaluation.Based on the conclusions,the deficiencies of the present studies are pointed out as follows:the designed mobile keypads based on western languages are unfit for Chinese text input;there are many applying shortages in new Chinese text input method;users' opperating characteristics are not considered in many improved designs of mobile keypad.In the end,the future studying directions are brought out:Chinese mobile keypad can be omptimized according to the characteristics of users' operation and Chinese text input.It has very high applied value and considerable opperability so as to improve opperating performance of Chinese text input.