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最近更新
September 2017
New sections
Offline states describes how to customize apps for users
without internet access
Updates for Android O
Contents
Previous updates
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April 2017
Significant updates
December 2016
New sections
Platforms discusses when and how to adapt apps
to Material Design, and when to adhere to platform conventions
App shortcut icons contains specs on how
to create app shortcut icons for the home screen
Help and feedback describes how to indicate, craft, and
place help content
Significant updates
Bidirectionality has updated guidance on mirroring
UI content and icons in right-to-left (RTL) languages
Accessibility contains new guidance on sound,
controls, labeling elements, and testing
Selection includes detailed
examples on item selection, toggling, and styling
August 2016
New sections
Notifications have been revised for Android N,
including new content areas, interactions, user controls, and short text input
Widgets contains guidance on user engagement, retention,
and acquisition
Confirmation and acknowledgement covers
when and how to acknowledge user actions
Significant updates
Navigation now includes
details on how to use the Up and Back buttons as part of your navigation strategy
Using full-screen mode for Lean Back,
Immersive mode, and Lights out interactions
May 2016
New sections
Motion includes detailed examples and specs on
material motion principles, duration and easing, transformations, choreography, and customization.
Growth & communications contains
guidance on user engagement, retention, and acquisition.
Expansion panels guidance describes lightweight
containers used for creating flows and editing content.
March 2016 (for Pi Day )
New sections
Significant updates
February 2016
Significant updates
December 2015
Significant updates
Responsive UI includes a pattern on
positioning and more examples of responsive patterns
Text fields adds guidance
on required text fields
Whiteframes have been added
for Sketch
Punctuation has new guidance
on en dashes and parentheses
October 2015
New sections
Steppers describes how different types of steppers convey
progress through numbered steps
Significant updates
Chips adds guidance on chip movement and deletion
Notifications includes formatting guidance for
timestamps
September 2015
Significant updates
Navigation adds guidance on navigation hierarchy and
structure, new navigation patterns, and combined navigation patterns
UI color application describes how
transparent text maintains legibility against different background colors
Buttons contains guidance on toggle
buttons and flat button behaviors
Tabs includes guidance on text sizing in tabs
August 2015
New sections
Permissions contains guidance on permissions groups,
runtime permissions, request patterns, and how to address permissions when they are denied
Significant updates
Bottom sheets includes descriptions of persistent and
modal bottom sheets, alternative display options, and desktop and tablet display using increments
Settings includes a usage overview
July 2015
New sections
Notifications contains guidance for tailoring
notifications to users, including peeking notifications
Fingerprint contains guidance on implementing Fingerprint
as an authentication option
Significant updates
Cards includes more image examples of card UI
controls, sliders, and tabs
Launch screens includes
guidance for implementing placeholder UIs
Settings includes additional
guidance for labels and secondary text
May 2015
New sections
Significant updates
April 2015
New sections
Significant updates
Typography adds further guidance on style and line height for
dense and tall languages
Cards includes more specs for laying out actions and content
Dialogs contains additional layout guidance
Tabs adds guidance around label content and more complete
sizing specs
Scrolling techniques adds guidance for
overlapping content