Mobile HTML, CSS, and JavaScript
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This document summarizes various features and APIs available for mobile web development. It discusses viewport meta tags, touch events, gesture events, media queries, and device features like the device pixel ratio and connection type. It also lists some popular mobile JavaScript libraries. The document provides code examples for touch, gesture, and device motion events.
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Cm i padwebdev_lunch_learnCritical Mass This document provides an overview of developing apps for the iPad using web technologies like HTML5, CSS3, and JavaScript compared to developing native apps. It discusses key differences like the APIs available, performance, costs, updating processes, and more. It then provides best practices for web design on iPads, including considerations for touch targets, orientations, animations, images, and more. It also covers specific technologies like HTML5, CSS3, JavaScript, and backend development approaches. The overall message is that web development for iPads is very capable with modern techniques.
Make mobile web apps rock
Make mobile web apps rockChris Love This document provides guidance on how to build effective mobile web apps. It discusses understanding the mobile landscape and user needs, designing for a mobile-first approach, leveraging HTML5 features, optimizing for touch interfaces, and using technologies like CSS3, JavaScript, and device APIs. The key recommendations are to focus on the most common user tasks, reduce content, and make all functionality accessible within 3 taps or clicks.
смартфоны и планшетники. веб разработка помимо десктопа. Patrick h. lauke. зал 1
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Creating mobile apps without native code
Creating mobile apps without native codeJoakim Kemeny The document discusses creating mobile apps without using native code. It describes how mobile apps today are often created natively, but that native apps have disadvantages like being expensive to create and only working on specific platforms. The document then presents alternatives like mobile web apps and hybrid apps. It provides examples of how to build a basic mobile web app using HTML, CSS, and responsive design techniques like viewports and media queries to make the app work well on different devices.
Fake it 'til you make it
Fake it 'til you make itJonathan Snook This document discusses how to create mobile apps that feel native using only web technologies. It covers supporting features in Mobile Safari like local storage, CSS3 features, and geolocation. It recommends using web technologies over native due to quicker iteration times. Specific techniques covered include detecting browser type, adding home screen icons, startup images, going full screen, and viewport settings. The document also discusses frameworks like jQuery Mobile but notes native DOM APIs may be sufficient. It covers input features, touch vs click, animations, locking orientation, and performance tips. It acknowledges limitations of Android and webOS and recommends testing on actual devices. Finally, it discusses hybrid mobile frameworks like PhoneGap and Titanium that allow developing for multiple platforms using one code
Google Chrome DevTools for Mobile Screencast and Emulation
Google Chrome DevTools for Mobile Screencast and EmulationAnshul Mehta This document provides instructions for enabling device mode and mobile emulation in Chrome DevTools. It describes two methods for turning on device mode, which allows testing web pages across different screen sizes and devices. It also covers how to use the screen emulator to simulate specific devices, emulate touch events, override geolocation coordinates, and simulate device orientation values. The goal is to test responsive web design and interactions across various mobile form factors without needing physical devices.
Google chrome dev tools for mobile screencast and emulation
Google chrome dev tools for mobile screencast and emulationAnshul Mehta The document provides a comprehensive guide on enabling device mode and mobile emulation in Google Chrome for testing responsive designs. It covers various methods to access devtools, configure emulation settings, inspect media queries, simulate touch events, manage geolocation overrides, and manipulate device orientation values. This enables developers to effectively debug and optimize web applications for different device environments.
Web app and more
Web app and morefaming su This document discusses various techniques for making web applications work offline and with unreliable network connections, including:
- The application cache manifest which allows specifying cached resources to work offline
- Issues with the current manifest specification and potential enhancements
- The window.applicationCache API for caching resources and monitoring cache status
- Detecting online/offline status using the navigator.onLine property
In 3 sentences or less, it summarizes approaches for offline web applications using the application cache manifest, applicationCache API, and navigator.onLine property.
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Web Apps and moreYan Shi This document discusses various topics related to developing web apps, including HTML5, responsive design, touch events, offline capabilities, and debugging tools. It provides links to resources on HTML5 features like media queries, SVG, web workers, and the page visibility API. It also covers techniques for adapting content like responsive web design, progressive enhancement, and server-side adaptation. Mobile browser stats and popular devices on Douban are mentioned. Frameworks like Bootstrap and tools like Weinre for debugging mobile apps are referenced.
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The Mobile Development LandscapeAmbert Ho The document discusses the evolving mobile development landscape, emphasizing the shift towards mobile-optimized web content and various approaches to mobile application development, including responsive design, native apps, and hybrid models. It highlights different techniques for handling mobile content, such as user-agent detection and media queries, alongside the importance of performance optimizations like responsive layouts and proper memory management in mobile applications. The document also contrasts development frameworks and tools for both web and native mobile applications, providing insights on when to choose each based on project needs.
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Js On Mobile DevicesJens Arps This document discusses JavaScript usage on mobile devices. It notes that smartphones, feature phones, and other mobile devices can support JavaScript via browsers like WebKit. While performance can vary between devices, modern smartphones generally support JavaScript well. The document encourages using tools like PhoneGap to build web apps into native mobile apps, and cautions that touch and click events differ between platforms like iOS and Android. Overall, the conclusion is that JavaScript on mobile is capable with some variations to consider across platforms.
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Mobile App DevelopmentChris Morrell The document discusses mobile app development from a web developer's perspective. It covers topics such as web apps vs native apps, technologies for mobile development like HTML5 and frameworks, and specific techniques for mobile like viewport scaling, geolocation APIs, and offline storage. The document provides examples of code for implementing these mobile techniques.
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Devon 2011-f-1 반응형 웹 디자인Daum DNA The document discusses responsive web design, which involves creating websites that automatically adapt their layout to different screen sizes and devices using flexible grids, flexible images and media, and media queries. The key ingredients of responsive web design are a flexible grid-based layout, flexible images and media that resize appropriately, and media queries which allow the application of CSS styles based on characteristics of the device. Responsive design aims to provide an optimized viewing and interaction experience across a wide range of devices without the need for separate mobile sites.
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Mobile HTML, CSS, and JavaScript
- 1. Mobile HTML, CSS, JavaScript David Calhoun
- 3. Viewport Meta Tag :( :)
- 4. Viewport Meta Tag <meta name="viewport" content="width=device-width"/>
- 5. URI Schemes href="sms:18005555555" href="tel:18005555555"
- 6. Home Screen Icon Android too!
- 7. Home Screen Icon <link rel="apple-touch-icon" href="icon.png"/>
- 8. Full Screen Flag (iOS) vs
- 9. Full Screen Flag (iOS) <meta name="apple-mobile-web- app-capable" content="yes"/>
- 10. Splash Screen (iOS) <link rel="apple-touch- startup-image" href="startup.png"/>
- 11. Status Bar Style Default Black
- 12. Status Bar Style <meta name="apple-mobile-web- app-status-bar-style" content="black"/>
- 16. Media Capture 3.0
- 17. Media Capture • Opens straight to the camera or microphone for file input 3.0
- 18. Media Capture • Opens straight to the camera or microphone for file input <input type="file" accept="image/*;capture=camera"/> 3.0
- 19. Media Capture • Opens straight to the camera or microphone for file input <input type="file" accept="image/*;capture=camera"/> <input type="file" accept="video/*;capture=camcorder"/> 3.0
- 20. Media Capture • Opens straight to the camera or microphone for file input <input type="file" accept="image/*;capture=camera"/> <input type="file" accept="video/*;capture=camcorder"/> <input type="file" accept="audio/*;capture=microphone"/> 3.0
- 21. The Joys of Autocorrect
- 24. Media Queries • based on screen size and device size • based on orientation • based on screen resolution • etc...
- 25. Media Queries @media all and (max-width: 480px) { body { } } @media all and (max-device-width: 480px) { } @media all and (orientation: portrait) { }
- 26. tap-highlight-color .no-highlight { -webkit-tap-highlight-color: transparent; } .red-highlight { -webkit-tap-highlight-color: red; }
- 27. user-select .no-user-select { -webkit-user-select: none; -moz-user-select: none; user-select: none; } ?
- 28. touch-callout .no-callout { -webkit-touch-callout: none; } Default behavior
- 29. JavaScript
- 30. Touch Events • touchstart • touchmove • touchend • (touchcancel)
- 31. Touch Events document.addEventListener('touchstart', function(e){ //e.touches //e.changedTouches }, false); http://frontendstuff.com/javascript/examples/touch.html
- 32. Gesture Events (iOS) • iOS only • 2+ fingers • gesturestart • gesturechange • gestureend
- 33. Gesture Events (iOS) document.addEventListener('gesturestart', function(e){ //e.scale //e.rotation }, false); http://frontendstuff.com/javascript/examples/gesture.html
- 34. orientationchange // fired every 90 degrees of rotation window.addEventListener('orientationchange', function(e){ //window.orientation (0 is portrait, 90 and -90 are landscape) }, false);
- 35. deviceorientation • taps into the gyroscope • not just every 90 degrees 3.0 4.2 http://frontendstuff.com/javascript/examples/deviceorientation.html
- 36. deviceorientation // fired a LOT window.addEventListener('deviceorientation', function(e){ //e.alpha; //e.beta; //e.gamma; }, false);
- 37. devicemotion • taps into accelerometer • practical application: shake gesture? 3.0 4.2 http://developer.apple.com/library/safari/#documentation/SafariDOMAdditions/Reference/ DeviceMotionEventClassRef/DeviceMotionEvent/DeviceMotionEvent.html
- 38. devicemotion window.addEventListener('devicemotion', function (e){ // e.accelerationIncludingGravity.x // e.accelerationIncludingGravity.y // e.accelerationIncludingGravity.z }, false); http://frontendstuff.com/javascript/examples/devicemotion.html
- 40. window.devicePixelRatio • 1.5 (Nexus One, etc.) • 2 (iPhone 4, etc.)
- 41. navigator.connection (Android) { "type": "3", "UNKNOWN": "0", "ETHERNET": "1", "WIFI": "2", "CELL_2G": "3", "CELL_3G": "4" } 2.2
- 42. navigator.connection (Android) navigator.connection.CELL_3G navigator.connection.CELL_2G navigator.connection.WIFI
- 43. Mobile JavaScript Libraries and much more... http://davidbcalhoun.com/2010/mobile-javascript-libraries-and-frameworks
- 44. Photo Credits • http://www.flickr.com/photos/kk/106960641/ • http://www.flickr.com/photos/geirarne/110995239/ • http://www.flickr.com/photos/aldrin_muya/3133715902/ • http://crockfordfacts.com/ • http://www.flickr.com/photos/equanimity/535648833/ • http://www.flickr.com/photos/71518947@N00/4698968858/
- 45. That’s All Folks! • Twitter: @franksvalli • SpeakerRate: http://bit.ly/hMEEfo
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