Có 140+ tài liệu thuộc chủ đề "lập trình iphone"
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The response will contain the most relevant words and phrases from the text that you sent into the service, in order of relevance. The response that I received when I sent the declaration to the web service looked like this:. powers of the earth <. when in the course of human events <. You need to implement the parseXML function,...
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Take a second and see if you can discover the memory leak on your own. This memory is now unrecoverable, resulting in a memory leak.. Build and run the application. When the simulator comes up, click on the Go button. You should see this text in the console: theString is: This is a string. Analyzing a Memory Leak in Instruments....
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bindex.indd 359. bindex.indd PM PM. collection operators, 221–222. bindex.indd 360. bindex.indd 361. keyboard, dismissing, 335 keyboard shortcuts, Xcode, 9 KeyPath parameter, 223 keypaths, 220–221. values from objects, 221 keys, 220–221. bindex.indd 362. managedObjectContext getter method, 130 managing memory, 170–171. allocating, arrays, 10 autorelease message, 41 releasing, 170–171 memory leaks, 347–348. MemoryLeaker, 348–349 memory management, 170–171. bindex.indd 363. methods – methods....
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Designing the. iPhone User Experience. A User-Centered Approach. to Sketching and Prototyping iPhone Apps. SUZANNE GINSBURG. ptg Many of the designations used by manufacturers and sellers to distinguish their products are. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals.....
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PART THREE: Developing Your App Concept. How Much of the App Should I Prototype. The iPhone SDK. Chapter 8: Usability-Testing App Concepts. What Is Usability Testing. Why Usability Testing. Usability-Testing Methods. Traditional Usability Testing. Usability-Testing Timeline. Guerrilla Usability Testing. Branding via the User Experience. For most apps, it boils down to one thing: the user experience. All of the elements...
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User interface design. Strictly defined, user interface (UI) design refers to the design of the “inter- face” between users and the underlying software. What This Book Teaches You. This book provides an end-to-end overview of the user-centered design process, specifically for iPhone applications. After reading this book, you will know how to. Conduct up-front user and competitive research to inform...
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I appreciate all of the individuals who read and responded to my questions. My gratitude also goes out to all of the individuals who contributed sketches and photos to the book. Before designing your iPhone app, it’s important to acquire a deeper understanding of the iPhone Human Interface Guidelines 1 (often referred to as “the HIG. Utility Apps. Utility apps...
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iPhone Device Overview. THIS CHAPTER WILL EXPLORE the iPhone device with an emphasis on the technologies and hardware that define the iPhone user experience, such as the multi-touch display, motion sensors, and location information.. your app easier to use and may expedite its approval in the App Store.. At the conclusion of this chapter, you will understand how the iPhone’s...
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FIGURE 2.16 Google Search activates voice search using the proximity sensor.. The accelerometer can detect the iPhone’s orientation and adjust the display accordingly. Perhaps the most practical accelerometer feature is the ability to change the display from portrait to landscape when the iPhone is rotated. FIGURE 2.17 Marble Maze uses the motion sensor to move the silver ball through the...
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User Research. USER RESEARCH CAN HELP you acquire a deep understanding of your users’ needs and how these needs are being met. This chapter will review a variety of user research methods such as. After reading this chapter, you should be able to develop and execute a user research plan for your own app. “Analyzing User Research,” will subsequently explain...
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If you go with this approach, instruct the note taker to focus on the interview dialogue. This photo can be added to the “participant profile,” which will be discussed in the next chapter. As mentioned earlier, audio is an effective backup, especially if you have hand- written notes. You may also want to use audio to reinforce a particular finding...
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58 CHAPTER 3 ● INTRODUCTION TO USER RESEARCH. In addition to stating the high-level purpose and objective of the study, it’s help- ful to list the questions you want to explore when you meet with participants.. Early-stage user research questions typically focus on user needs, but the questions can also be specific to your iPhone app. Consider the purpose and...
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68 CHAPTER 3 ● INTRODUCTION TO USER RESEARCH. The user research strategy depends on the type of app and its stage in the devel- opment cycle. In most cases, apps in the very early stages will benefit from observational methods, whereas apps in later stages will benefit from observa- tional methods combined with app prototypes. Some user research is better...
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Example of User Research Findings. When documenting specific user research findings, start with a brief summary such as the one that follows, “Setting Up an iPhone App Can Be Challenging.”. If you have relevant imagery or video, it can also be embedded in the document, as shown in FIGURE 4.4. Setting Up an iPhone App Can Be Challenging Related quotes:....
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Helping users determine the cost of the turbines was easy to accomplish on the web site, but measuring the wind speed was impossible. That’s when we came FIGURE CS1.1 Early sketch of the. Windspire iPhone app. WINDSPIRE 89 up with the app idea. can blow on it to put out the “flame.” If the Zippo app can detect the user’s...
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Location of the evaluation (laboratory versus field). The heuristics you choose can be based on established lists, such as Jakob Nielsen’s heuristics or Bruce Tognazzini’s “First Principles of Interaction Design.” 6 How- ever, in most cases you’ll want to adapt and expand these more generic classics to include specific areas of interest for your app. At a minimum you’ll want...
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If you have remote team members, you can send them photos when significant changes are made and follow up with electronic versions to keep everyone on the same page.. If you’re not up for experimentation, you might want to use Leah Buley’s list 1 as a starting point. If you want to get even more creative, I suggest you read...
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Nearly all of the popular sketching software programs have iPhone design tem- plates. In most cases, however, your app will contain both standard and custom controls. If you’re working with hand-drawn sketches, you can quickly add the custom items. Balsamiq, www.balsamiq.com/.. For example, if you approach a colleague with a notebook sketch, it will be obvious that the design is...
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As you consider which sketching approach is right for your app, you may have some questions about the level of effort and the relationship of the sketches to other design deliverables. In this case you may want to jump right into prototyping, which will be discussed in the following chapter.. Flows are an incredibly important part of the iPhone app...