| The rapid development of intelligent terminals has launched a new social revolution,especially intelligent cell phones'development is changing people's life style in the modern society. The intelligent operating system represented by Symbian, Android and Windows Mobile are competing in the battlefield. And who will win in this competition almost clear: Android is devouring Symbian's market with its amazing development speed, and is expected to sit on the market champion!Currently the input methods on Android have some shortcomings such as high coincident-code rate and low efficiency. The golden Numeric Chinese Character Input Method invented By Qinwu-CHEN in Shantou University can greatly improve these faults. Its coding scheme– Stroke coding and Pinyin-Stroke coding is preliminarily accomplished based on Android's Input Method Framework. This coding scheme not only have low coincident-code rate, but also is simple, easy to study, easy to use. It will greatly improve the efficiency of inputting Chinese messages on Android platform.This paper firstly analyzes the Android IMF including Android IMF framework structure and realization mechanism and Android IME life cycle. And then provides the implementation scheme on Android platform for the golden Numeric Chinese Character Input Method client/server mode (C/S mode) based on NDK. The client, which is implemented with Java language, is responsible to interact with users and control the life cycle of the input method. The Server, which is implemented with C++, is responsible to search the dictionaries files and send the results to the client for showing in the candidate window. The interaction between client and server is realized by the JNI interfaces. A set of JNI interfaces is designed in this paper. The C/S mode is very helpful for code maintenance and transplanting this Input Method between platforms.Finally the deficiency of this study and the prospect for the subsequent development are discussed. |
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