Material Design a Discussion About the New Visual Language Developed by Google

Material Design a Discussion About the New Visual Language Developed by Google

Material Design A discussion about the new visual language developed by Google. Presented by : Sugisha Sukumaran What is Material Design? It is a design language developed by Google. It is a design with increased use of grid-based layouts, responsive animations and transitions, padding, and depth effects such as lighting and shadows. A comprehensive guide for visual, motion, and interaction design across platforms and devices. It is grounded in tactile reality, inspired by the study of paper and ink. It is a skeuomorphed flat design. Used extensively in Android 5.0 “Lollipop”. © RapidValue Solutions Material design as a skeuomorphed flat design Material design is skeuomorphic in that it is an attempt to make design more realistic in how it portrays elements, using layers and animation in a way that makes sense outside of the browser. Skeuomorphism is adopting the style of physical incantation of an object for its digital display. Material design dictates a single physical incantation for the UI- everything should feel like paper. Figure shows the paper model developed by Google to demonstrate material design. © RapidValue Solutions Evolution of Material Design When google overhauled the Android design philosophy in Ice Cream Sandwich, they introduced a whole theme called holo. The holo theme hasn’t been much of a design highlight after the release of Android 4.4 Kitkat. Instead a more brighter and minimalistic design status was showcased. Matias Duarte Matias Duarte introduces a new design language called (The man behind material design) material design alongside the Android L release. © RapidValue Solutions Material UI © RapidValue Solutions Material Theme Material Theme is a user interface style that determines the look and feel of views and activities in Android 5.0 (Lollipop) Material Dark Material Light Material Dark + Light © RapidValue Solutions Colors Bold colors are the main focus in Material Design. The color palette contains 19 hues 16 colors have accent variants 256 colors including black and white © RapidValue Solutions UI Color Application 1. Choose your palette Limit your selection of colors by choosing three color hues from the primary palette and one accent color. Example of a primary color palette Example of a secondary color palette © RapidValue Solutions 2. Use alpha values for grey text, icons and dividers Standard alpha value for text on a white background is 87% (#000000), secondary text is 54%. © RapidValue Solutions 3. Toolbars and status bars Toolbars and larger color blocks should use the primary 500 color. Status bar should be the darker 700 tint of the primary color. © RapidValue Solutions 4. Accent Color Use the accent color for your primary action button and components like switches or sliders. Don’t use the accent color for body text colors. Don’t use the accent color for app bars or larger areas of color. If your accent color is too light or dark for the background color, the general fallback rule is to choose a darker or lighter tint of the accent color. © RapidValue Solutions Typography To support all languages worldwide, Google recommends using Roboto for languages that use the Latin, Greek, and Cyrillic scripts Noto for all other languages. Hinted fonts Hints are the instructions embedded in a font on how to modify (distort) a glyph to look better on low-resolution displays. Use the unhinted versions on Android and on Mac OS X. Use hinted fonts on Chrome OS, Windows, and Linux. © RapidValue Solutions Typography Typographic scale and basic styles The basic set of styles are based on a typographic scale of 12, 14, 16, 20 and 34. © RapidValue Solutions Typography Basic colors and color contrast Text should maintain a minimum contrast ratio of 4:5:1. Characters and line length You should have around 60 characters per line if you want a good reading experience. © RapidValue Solutions Imagery A powerful tool to help you communicate and differentiate your product. Some best practices to incorporate imagery are: Both illustration and photography can live within the same product. Choose images that express personal relevance, information and delight. Stay away from stock Have a point of focus Build narratives Make sure your images are appropriately sized for their containers and cross platforms. © RapidValue Solutions Iconography To create an icon for different densities, you should follow the 2:3:4:6:8 scaling ratio between the five primary densities (medium, high, x-high, xx-high, and xxx-high respectively). Some best practices for creating an icon are: Launcher icons on a mobile device must be 48x48 dp. Launcher icons for display on Google Play must be 512x512 pixels. Action bar icons for phones should be 32x32 dp. Small icons should be 16x16dp. Notification icons must be 24x24 dp. © RapidValue Solutions Layout Paper craft In material design, every pixel drawn by an application resides on a sheet of paper. Paper has a flat background color and can be sized to serve a variety of purposes. A typical layout is composed of multiple sheets of paper, arranging papers in two ways - Seams and Steps Example of a seam Example of a step © RapidValue Solutions Paper toolbars A toolbar is a strip of paper used to present actions. The actions cluster on either side of the toolbar. Navigation actions, such as a drawer menu icon or an up arrow, appear at the left, while contextual actions appear at the right. Toolbars have a standard height, 56 dp on mobile and 64 dp on desktop, but they can be taller. © RapidValue Solutions Paper toolbars Do’s Don’ts Never allow a sheet of paper to be split by another one. © RapidValue Solutions Floating actions A floating action is a circular sheet of paper separate from a toolbar. A floating action can straddle a step if it relates to the content of the paper creating that step. A floating action can straddle a seam if it relates to the content of both of the papers creating that seam. © RapidValue Solutions Metrics & Keylines All components align to an 8dp square baseline grid. Type aligns to a 4dp baseline grid. Iconography in toolbars align to a 4dp square baseline grid. This applies to mobile, tablet, and desktop. © RapidValue Solutions Keylines and spacing-Mobile Vertical keyline at 16dp from the left and right edges. Content associated with an icon or avatar aligns 72dp from the left edge. 1 - 24dp 2 - 56dp 3 - 48dp 4 - 72dp © RapidValue Solutions Incremental Keylines An incremental keyline defines an increment, like the height of the action bar, and uses a multiple of that increment to determine the size and position of other elements in the app. © RapidValue Solutions Structure Put content forward. Anchor navigation and actions. Be opinionated about functionality. Focus on a single view with embedded navigation. Use tabs to switch between a small number of equally important views. Manage more complex structure through a left navigation drawer. © RapidValue Solutions Mobile Structure This structure includes an app bar and a floating action button. If you have any additional functionality or action overflow, you can add a bottom bar. This is optional and side nav overlays all other structural elements. © RapidValue Solutions Tablet Structure This structure includes an app bar and a floating action button. Bottom bar is optional and side nav overlays all other structural elements. Right nav can be accessed temporarily or pinned for permanent display. © RapidValue Solutions Desktop Structure This structure includes an app bar and a floating action button. Side navigation menus accessed temporarily or pinned for permanent display. Side navs and content canvas can have secondary toolbar. © RapidValue Solutions App bar The app bar, formerly known as the action bar in Android, is a special kind of toolbar that’s used for branding, navigation, search, and actions. Metrics Mobile Landscape: 48dp Mobile Portrait: 56dp Tablet/Desktop: 64dp © RapidValue Solutions System bars – Status bar/window bar On Android, the status bar contains notification icons and system icons. On Chrome, the top bar contains the window controls: minimize, full screen, and close. The color of the status or window bar is a darker tone of the app bar color. It can also reference an element in the layout or it can be translucent. Metrics Android status bar height: 24dp Android status bar Chrome window height: 32dp Chrome window bar © RapidValue Solutions System bars-Android navigation bar/window bar It contains the device navigation controls: Back, Home, and Recents. It also displays a menu for apps written for Android 2.3 or earlier. Metrics Height: 48dp © RapidValue Solutions Side Nav The left and right nav bars can be pinned for permanent display or they can float temporarily as overlays. The content in the left nav is ideally navigation- or identity-based. The content in the right nav should be secondary to the main content on a page. Metrics Mobile : Width = screen width - app bar height Desktop: 400dp © RapidValue Solutions Components Bottom sheets A sheet of paper that slides up from the bottom edge of the screen. It is suitable when three or more actions are displayed to the user and when the actions do not require a description. Bottom Sheets - Spec Text: Roboto Regular 16sp, #000 87% Title (optional): Roboto Regular 16sp, #000 54% Default bottom sheet background fill: #FFF Overlay shield fill: #000 20% © RapidValue Solutions Buttons A button consists of text and/or an image that clearly communicates what action will occur when the user touches it. There are three types of main buttons: Flat button: a button made of ink that emits ink reactions on press but does not lift. Raised button: a typically rectangular button made of paper that lifts and emits ink reactions on press. Floating action button: a circular button made of paper that lifts and emits ink reactions on press.

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