Highlights | 2021 Android Developers Summit

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As a developer, the application experience you build helps users around the world in ways beyond imagination. At the Android Developer Summit , we discussed how to follow users, understand their needs, build a satisfying experience, and focus on the important topic of Android: helping developers build the excellent cross-device application . We have Modern Android Development (MAD) product to help you improve your work efficiency so that you can focus on building great applications, and then extend these cross-device applications to all device types. One of the major updates is our grand launch of the 12L feature update on foldable devices and tablets. This is a set of features optimized for Android 12 large-screen devices. You are welcome to continue reading to learn more! click here "2021 Android Developer Summit Keynote Speech" video.

excellent application: Jetpack Compose now supports Material You

In building excellent applications, our ever-growing Modern Android Development (MAD) including development tools, APIs, languages and distribution technology collections, is your right hand to help you improve your work efficiency. At the same time, we have also introduced many new features in MAD to help you achieve this goal, such as the following release: introduces Material You and its materials in Jetpack Compose (Android's modern toolkit for building native UI) The new design concept .

Earlier this year held Google the I / O conference, we focused on 12 Android launched Material by You , focused on providing for a variety of styles to meet a variety of needs and personalized experience to adapt to a variety of screens. Now we have released the Compose Material 3 . This version provides Material Design 3 style components and theme , supporting features such as dynamic color personalization. We also released the Jetpack Compose 1.1 , which includes features such as stretch scrolling for Android 12, optimized touch target values, and experimental delayed layout animation. Jetpack Compose is stable and can be used in the production environment. We will continue to add the features you need to help you easily and quickly build Android UI for all device types, and provide a new version for Wear OS and building home screen widgets (widgets) support.

Jetpack: More features to help you create excellent applications

In addition to Compose, Jetpack will continue to add the features that everyone has been mentioning. Navigation adds support for multiple return stacks. WorkManager is our recommended solution for persistent work, which can more easily handle the Android 12 background limit , which also adds support for urgent jobs. Room adds automatic migration and multiple mapping relationships. DataStore is our recommended alternative to SharedPreferences. Version 1.0 has been released. Macrobenchmark is a tool for measuring and improving startup and frame performance. It adds a simple but more accurate frame timing and is backward compatible with Android. M.

Build cross-device applications

We provide a series of updates that can also help you build apps for different Android device types. You can watch the video below to learn more about how we help Spotify achieve its mission on different Android devices and multiple device types, connecting billions of fans with millions of creators. Click here view the "Android Developer Story: Helping Spotify Build Cross-Device Applications" video.

grandly launches 12L specially designed for large screens and new tools

The current strong momentum in the development of large-screen devices is incredible: Chrome OS sales increased by 92% year-on-year, becoming the world’s fastest-growing desktop operating system; last year, tablet sales increased by 20%, and foldable devices (the latest and most innovative Device types) sales have increased by 2.5 times...Currently, there are more than 250 million large-screen Android devices in use, and Android is working to create an operating system that matches it. Taking this opportunity, we have also launched a developer preview version of the Android 12L feature update, which has added updates specifically for large-screen devices. In 12L, we optimized and improved the system UI for large-screen devices, making the multitasking performance more powerful and the operation more intuitive. At the same time, we also improved the compatibility support for the application and improved its "out of the box" user experience. In the 12L developer preview version , you can immediately try the new large-screen features. You are welcome to check out our previous tweet " Detailed Android 12L | Better Adaptation to Large Screen Devices ".

Focus on Wear OS

Many developers have created practical experiences for the latest version of Wear OS released earlier this year, and we look forward to a richer and more immersive application experience, just like in Strava, Spotify and Calm. Using Jetpack Compose can build UI faster and easier, so we introduced support for Compose in Wear OS. Compose for Wear OS is currently in the developer preview stage. We have provided new examples and documentation to help you get started quickly. Tiles API is currently in Beta stage, providing predictable and clear information access and quick operation. We are also cooperating with Samsung to make dial theme design easier. Watch Face Studio created by Samsung, you can make your own watch face themes without writing any code. What you see is what you get. Welcome to learn more about Wear OS related updates .

Google Play: Rich features and continuous investment will help you

We provide a variety of ways to help you grow your business on Google Play. In order to strengthen user trust, we have introduced the data security part to highlight your privacy practices. The newly launched Play Integrity API can ensure that application installations are always authentic and trustworthy. We are also committed to creating more tools and implementing more functions to help you improve the quality of your application. Recently, we have also updated the charging plan. Now developers can only pay 15% or lower service fee . You can visit our previous tweet to learn more about Google Play update details . Click here view the "Google Play Update List 2021 Android Developer Summit Video".

More exciting: Android Developer Summit

We released more than 30 technology sharing, you can follow your own pace viewed at the official website . We also provide a lot of live content reviews, including #AskAndroid-related questions answered by the team that built the Android system, covering Modern Android Development (MAD) , large-screen devices or with themes such as Material You . In addition, you can also watch the Android Code-Alongs review, where Android experts write codes in real time, solve programming problems, and answer questions in real time through Jetpack Compose and Wear OS version Compose. You can view complete video review .

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