嵌入式環(huán)境下可擴(kuò)展性圖形用戶(hù)界面的研究與實(shí)現(xiàn)
[Abstract]:In recent years, with the emergence of Android,IOS, the embedded intelligent terminal is coming into the various aspects of social life, and the application of graphical user interface in embedded system is becoming more and more important. Compared with the traditional desktop graphics system, the embedded GUI system is restricted by the limited software and hardware resources of the embedded system and the obvious differences between different embedded platforms, so it is generally chosen to be small and efficient. Good portability of GUI development system. Because of the limitation of the interface implementation and the immaturity of the development framework, this relatively simplified version of the GUI development system makes the software engineers use them to develop poor extensibility of embedded graphics software. When the software needs to update or replace other underlying platforms, it usually needs to complete complex and tedious modifications to meet the new application requirements, which brings a lot of inconvenience to the development of new products. This paper focuses on the development of the extensible embedded graphical user interface, and proposes the communication between modules based on IPC (Inter-Process Communication inter-process communication) messaging mechanism. The design idea of reusing interface components and designing abstract layer to different bottom layer is adopted. Following these design ideas, this paper chooses MiniGUI graphic system as the basic framework of GUI development, designs a keypad user interface program by using IPC messaging mechanism, and then creates a time control by combining page components. At last, a multi-language mechanism is realized by using abstract layer. The test scheme is designed to test the expansibility of the three examples. The results show that the keypad user interface program has good expansibility for different keypad input devices. The time control generated by the combination method is conducive to the further expansion of the original components of the page, and the multinational language mechanism can support different national languages expandably. It can be seen that the design idea presented in this paper is beneficial to the development of the extensible graphical user interface in embedded environment.
【學(xué)位授予單位】:華中科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類(lèi)號(hào)】:TP311.52;TP368.1
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