Scaling Throughout Screens with Jetpack Compose @ Google I/O ‘24

Posted by Maru Ahues Bouza, Product Administration Director, Android Developer

Scaling Throughout Screens with Jetpack Compose

https://www.youtube.com/watch?v=A8KZ-ZKTjdY

The promise of Jetpack Compose has all the time been {that a} trendy toolkit designed to construct native UI will help you construct higher apps sooner and simpler. As increasingly of you – 40% of the highest 1k apps, in actual fact – use (and love) Compose, we’ve been working to increase these advantages you’re seeing on cell to additionally assist you construct throughout type elements as properly. At Google I/O 2024, we introduced lots of new updates for Compose that assist you construct throughout type elements, together with Compose APIs to help adaptive layouts, and new updates for Compose TV and Put on OS. From foldables to wearables to TVs, Compose is delivering options constructed to make Android growth sooner and simpler. Apps like yours are already utilizing Compose to help extra screens with much less code.

When serious about layouts – assume adaptive

Yesterday, we introduced a brand new set of Compose APIs for constructing adaptive layouts, utilizing Materials steering. These APIs, now in Beta, present new layouts and parts that adapt as customers count on when switching between small and enormous window sizes.

The libraries present 3 new scaffolds that adapt to the completely different window sizes that customers can place apps in on various kinds of gadgets, from telephones to foldables to tablets and extra.

NavigationSuiteScaffold

NavigationSuiteScaffold
helps make it simpler to construct navigation UI by robotically complying with Materials pointers to supply your customers with an optimum expertise primarily based on their window dimension.

Materials pointers suggest utilizing a navigation bar on the backside of compact width home windows akin to most telephones and a navigation rail on the scale of medium width and expanded width home windows. It was once as much as every app individually to deal with swapping between these parts; now NavigationSuiteScaffold does this for you by switching between the parts when the window dimension modifications.

ListDetailPaneScaffold & SupportingPaneScaffold

The brand new library additionally has ListDetailPaneScaffold and SupportingPaneScaffold, which assist you implement canonical layouts that we suggest in lots of instances – list-detail and supporting pane.

On a telephone, you normally arrange your app circulation by means of screens. For instance, clicking on an merchandise in your checklist display screen brings you to the element display screen.

When adapting to completely different window sizes, it helps to think about your app when it comes to panes relatively than screens. For a compact window dimension class, akin to a telephone, you may solely show one pane. For an expanded window dimension class, you may present two, or extra panes on the similar time. ListDetailPaneScaffold and SupportingPaneScaffold assist you construct apps that simply swap between one and two pane layouts.

You possibly can be taught extra about all three of those APIs and how one can get began with them within the “Constructing UI with the Materials 3 adaptive library” and “Constructing adaptive Android apps” technical classes.

“Integrating SupportingPaneScaffold was easy and fast. It enabled us to seamlessly arrange major and secondary content material on To-Dos. Relying on the window dimension class, the supporting pane adjusts the UI with none extra customized logic. Delighting our customers no matter what gadget they use is a key precedence for SAP Cellular Begin.”
– Software program Engineer on SAP Cellular Begin

Compose for Put on OS

Prior to now 12 months, adoption of Compose for Put on OS has grown 200%, showcasing the convenience with which Compose permits builders to construct for the watch type issue.

Not too long ago we’ve seen prime apps akin to WhatsApp, Gmail and Google Calendar constructed totally utilizing Compose for Put on OS, and it’s the really helpful method for constructing person interfaces for Put on OS apps.

At this 12 months’s Google I/O, Compose for Put on OS is graduating visible enhancements and fixes from beta to steady.

Prior to now 12 months, we’ve added options akin to SwipeToReveal, to present customers extra means for finishing actions, an expandableItem, to reinforce the usage of the smaller display screen and present extra info the place wanted, and a spread of WearPreview supporting annotations, for making certain your app works optimally throughout the vary of gadget sizes and font scales.

You will get began with Compose for Put on OS by taking the codelab and be taught extra about all the newest updates for Put on OS by way of the technical session.

Compose for Android TV

At Google I/O ‘24, we introduced that Compose for TV 1.0.0 is now obtainable in beta. Compose for TV is our really helpful strategy for constructing pleasant UIs for Android TV OS. It brings all the advantages of Jetpack Compose to your TV apps, making constructing lovely and purposeful experiences in your app a lot sooner and simpler.

The newest updates to Compose for TV embrace higher efficiency, enter help, and a complete vary of improved parts that look nice out of the field. New on this launch, we’ve added lists, navigation, chips, and settings screens. We’ve additionally up to date the developer instruments in Android Studio to incorporate a brand new venture wizard to get a working begin with Compose for TV.

The brand new TV Materials Catalog app permits you to discover parts in Compose for TV with completely different themes and layouts, and our up to date JetStream pattern reveals the way it all matches collectively.

You will get began with Compose for TV by testing the devoted weblog, the technical session or having a look on the integration guides.

Jetpack Look

Jetpack Look 1.1.0 is now obtainable in RC, bringing a brand new unit check library, Error UIs, and new parts.

We have now additionally launched new Canonical Widget Layouts on GitHub, that are constructed on prime of the Look parts, to can help you get began sooner with a set of layouts that align with greatest practices.

The primary set of layouts are delivered as code samples and an identical figma design equipment on Android UI Package with extra layouts coming later this 12 months.

Lastly, we’ve got new design steering printed on the UI design hub—test it out!

A pattern of Compose throughout screens: Jetcaster

We have now up to date Jetcaster—certainly one of our Compose samples—to adapt throughout telephone, foldable and pill screens, and added help for TV, Put on and homescreen widgets with Look. Jetcaster showcases how Compose lets you construct throughout a spread of gadgets utilizing a shared structure in a single venture.

See how one can extract parts akin to your information layer, and design system, to advertise reuse and consistency whereas delivering an expertise tailor-made to completely different type elements. You possibly can dive immediately into the code on GitHub.

Get began with Compose throughout screens

With these updates to Compose that can assist you construct for tablets, foldables, wearables and TVs, it’s a nice time to get began! These technical classes are an awesome place to be taught extra about all the newest updates:

Be taught extra about how SoundCloud supported extra screens utilizing 45% much less code with Jetpack Compose!