Mobile application market keeps in an explosive growth rate with the arrival of the 4G network era. Which drives the rapid development of mobile app screen design. Meanwhile, the big market also has a great job prospect for designers . How to make their own products stand out in the mobile application market is the opportunity and as well as challenges for UI designers. In addition to the function itself to attract users, the APP interface design also occupies a large part of the factors. Facing with the serious homogeneity on mobile app screen design and low competitiveness and other issues in the current mobile application market, how the app interface design trend will develop in the future to jump out of the cycle and find new opportunities? Fundamentally, the following points are worth considering: UI design principles Mobile interaction design rules How to judge an APP is good or not UI Design Principles 1. Consistency principle. The consistency ...