MODEL-BASED USER INTERFACE DESIGN

MODEL-BASED USER INTERFACE DESIGN

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INTRODUCTION 

Considering the wide variety of devices currently available, designers face numerous challenges in developing intuitive interfaces. The number of devices tends to increase on a day-to-day basis. Due to the most recent advancements in technology industry devices such as smartphones, tablets, smartwatches, smart TV’s and virtual reality (VR) devices are coming into limelight because of the adoption rate and curiosity among users for these new devices. These devices are likely to increase in the coming years and building an interactive application for these systems is really challenging. There needs to be a model or a framework that can provide support in addressing the design challenges. The project aim is to focus on supporting a design by addressing the change of platforms. Irrespective of the device, the design should be in a consistent fashion across the devices. Stakeholders face numerous challenges when dealing with context-of-use. While designing an interactive application it is important to consider the following factors:  Cross-device compatibility  Consistency  Usability and  User experience The cross-device compatibility is always considered a huge issue in a user interface development. The frameworks that are available on one platform may not be available on another or could be very different. Generating a consistent interaction among devices is also a challenging task. Due to the restrictions in hardware and software, tasks that are compatible in one device may or may not be compatible with other device. These limitations will challenge a designer in building an effective user interface by considering the above-mentioned factors. 2 1.1 Purpose User Interface design plays a key role in the software development lifecycle process. Considering the amount of time and resources spent on user interfaces, it is a known fact that UI design is a time consuming activity in the development life cycle. The complexity and types of systems are increasing daily and are in fact becoming a challenging task for developers to develop the interfaces for multiple sources. The main purpose of an interactive system is to embrace a multi-target/multi-context-of-use environment. As discussed, the focus is on three dimensions: platform, user and environment. For this purpose, throughout my project I will develop a car rental system. There needs to be a framework to address the challenges related to platform, user and environment. Following a model-based interface development will help the developers build interactive applications for a multi-context use. The usage of smartphones and tablets have emerged in the past decade or so. Due to the advancements in technology, portability is considered as one of the major advantage. Designing an interactive system for these portable devices has become a challenging task for designers where consistency is considered as a major issue. Recently many hybrid devices have come to the market that are more like a convergence of portability and productivity without compromising on usability experience. For example, Microsoft Surface Pro. The introduction of the iPhone in 2007 created a completely new device category among the devices that were already available and this is considered more of a convergence of portability and productivity. User experience of applications has been improving and becoming much easier for users to interact with a smart device on a day-to-day basis. Similarly, the introduction of iPad has also continued the trend with an introduction of new lineup among the devices. Because of these new device trends and frameworks, we therefore are facing usability and other interaction related issues. Most of the websites are still have many design 3 challenges that are not compatible with the new device types and platforms. There is much more to be done in the user interface field in order to make these applications more usable and aesthetically pleasing to end-users on a cross-platform device.

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