Hi, Habrahabr! Today we have very good news for you. As you all probably know, in Android 5.x and its follower, Android 6.0 Marshmallow uses a new design. The Material Design concept was introduced at Google I / O 2014 and received a positive response not only among designers and application developers, but also among users.

To date,
more than 200,000 applications on Google Play have been reworked, taking into account material design guidelines. If you have already updated your app on Google Play to Material Design, or plan to do it in the near future, then take part in the
Material Design contest, which started this week and will run until November 15th. Playing out: placing your application in the section featuring the Google Play store, tickets for the annual Google I / O conference and Nexus 9 tablets. We will select the top three applications in the three categories. Details in
the contest rules .
Additional materials
To facilitate the task for those who have not yet attended to a modern and convenient interface for their applications, we have prepared a selection of excellent materials that will help to understand certain aspects of Material Design:
- Android Design Support Library (ENG). Support Library was announced on Google I / O 2015 and contains the main interface elements in the Material Design concept (Navigation View, Floating Action Button, Snackbar, Tabs, Collapsing Toolbars, etc.), and also provides drawing and support of all these elements and on earlier versions of Android (since 2.1). All you have to do is wrap your application in a new interface.
- What we learned from crafting Todoist's Material Desig (ENG | RU soon) - how the Todoist application migrated to Material Design.

Even if you have a very simple application, many design elements can be arranged quite differently. Choose vertical menu or pop-up list with icons? Multiple nesting levels or one? Simple reworking of the “old” design into new elements may work worse than rethinking the very principles of the application, and you should pay attention to this when redesigning. Of course, this raises the question of the “familiarity of the old” against the “new and modern”, but this is an eternal topic.
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- An exploration in Material Design (ENG | RU soon) - the developers of the Feedly application (news subscriber cataloger) shared with the world a detailed analysis of the principles of Material Design and their application based on their application. Extremely useful material, written with attention to detail and knowledge of the business.

- The Journey to Material (ENG | RU soon) - Emmi Hintz, Product Designer at Aviary, which developed the photo editor of the same name, talks about the transition to Material Design. Emmy shares her experience and design history of the Aviary application, which began with “redrawing” iOS design for Android devices and ended with the adaptation of the Material Design principles, a simple, understandable and clean interface of the new application.

- How Aviasales switched to Material Design (RU) - Aviasales was one of the first Russian-language publishers of its application that switched to Material Design. And they also talked about their experiences here at Habré.
- Material Design. Was there a boy? (RU) - The developers of Tinkoff Bank's application share their thoughts on the transition of the platform to Material Design.
- Material Design: to the Moon and back (RU) - Redmadrobot experts told about the Material Design philosophy and the meaningfulness of everything that is happening on your screen.
- A big update of Chaos Control for Android - how even the simplest from the point of view of ideas can be improved the application, followed the developers of the Chaos Control application following the new guideline.
- Evernote for Android Gets a Material Design Update (ENG) - about adapting the design of one of the most popular applications on mobile (and not only) platforms - Evernote. Developers share impressions from Material Design and principles of meaningfulness of what is happening.

Hopefully, these materials will help you get the right idea and improve your understanding of the basics of Material Design, and therefore make your applications better. We are waiting for your
applications and updated applications on Google Play.
PS: Do you have your own Success story about translating the application to Material Design, or do you want to share interesting material on this topic? Send a link to a personal message to the author of the post, we will definitely add to the post.
UPD: SelenIT2 proposed to add to the list of selected parts of the translation of the foundations of Material Design. You will find the first part
of this link , and the rest - at the end of each article. This translation will help to comprehend the philosophy of Material Design and understand what is happening on the screens of our smartphones with you.