The starter app is located within the material-components-android-motion-codelab-develop directory. To clone this codelab from GitHub, run the following commands: git clone Ĭd material-components-android-motion-codelabįor more help: Cloning a repository from GitHub Option 2: Download the starter codelab app zip file Option 1: Clone the starter codelab app from GitHub ![]() This step can take several minutes to download and install the necessary files, so feel free to leave this running in the background while doing the next section. However, if this is your first time launching Android Studio, go through the Android Studio Setup Wizard steps with the default values. When you open Android Studio, it should display a window titled "Welcome to Android Studio". How would you rate your level of experience building Android apps? Novice Intermediate Proficient Start up Android Studio An Android emulator or device (available through Android Studio).Android Studio (download it here if you don't already have it).Basic knowledge of Android development and Kotlin.For further exploration into the MDC-Android theming and component systems, you can check out the Getting started guide. In this codelab you'll use transitions provided by the MDC-Android motion system. Container Transform transition from email address chip to card view.Fade Through transition between mailbox pages.Shared Z-Axis transition from search icon to search view page.Container Transform transition from FAB to compose email page.Container Transform transition from email list to email detail page.The starter code for the Reply app will be provided, and you will incorporate the following Material transitions into the app, which can be seen in the completed codelab's GIF below: This codelab will guide you through building some transitions into an example Android email app called Reply, using Kotlin, to demonstrate how you can use transitions from the MDC-Android library to customize the look and feel of your app. In this codelab you will be using the Material transitions built on top of the AndroidX library, meaning you will be mainly focused on Fragments and Views. Bug fixes not backported and may have different behavior across API Levels.Supports Fragments, Views, Activities, and Windows.Contains backported bug fixes and consistent behavior across API Levels.Supports Fragments and Views, but not Activities or Windows.The MDC-Android library offers transition classes for these patterns, built on top of both the AndroidX Transition library ( ansition) and the Android Transition Framework ( ansition): Fade: used for UI elements that enter or exit within the bounds of the screen.Fade Through: transitions between UI elements that do not have a strong relationship to each other uses a sequential fade out and fade in, with a scale of the incoming element. ![]() Shared Axis: transitions between UI elements that have a spatial or navigational relationship uses a shared transformation on the x, y, or z axis to reinforce the relationship between elements.Container Transform: transitions between UI elements that include a container creates a visible connection between two distinct UI elements by seamlessly transforming one element into another.The four main Material transition patterns are as follows: The Material motion system for Android is a set of transition patterns within the MDC-Android library that can help users understand and navigate an app, as described in the Material Design guidelines. ![]() What is Material's motion system for Android? Created by a team of engineers and UX designers at Google, MDC features dozens of beautiful and functional UI components and is available for Android, iOS, web and Flutter. Material Components (MDC) help developers implement Material Design. By uniting style, branding, interaction, and motion under a consistent set of principles and components, product teams can realize their greatest design potential. Material Design is a system for building bold and beautiful digital products.
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