Design and implementation of custom input method in J2ME environment

In programming, it is required to be designed the specific input method for the program in many cases. This is especially true in J2ME circumstance. Because of its special keyboard structure, the program in mobile phone is more complex than the computer when customized input method. In this paper, take a mobile phone custom Pinyin input method for example, it realizes the throughout process of custom input method. This method is also applied to the design of custom input method in other circumstances.