Android Backstage, a podcast by and for Android developers. Hosted by developers from the Android engineering team, this show covers topics of interest to Android programmers, with in-depth discussions and interviews with engineers on the Android team at Google. Subscribe to Android Developers YouTube → https://goo.gle/AndroidDevs

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Episode 180: Kotlin Magic Platform

December 16, 2021 46:15 66.68 MB Downloads: 0

In this episode, we chat with Yigit Boyar from the Android Toolkit Team about Kotlin multi platform, while Romain provides light background music on his piano.Yigit: @yigitboyar Romain: @romainguy Chet: @chethaase Tor: @tornorbye     Subscribe to Android Developers → https://goo.gle/AndroidDevs

Episode 179: Flibberty Widget

November 30, 2021 34:07 38.84 MB Downloads: 0

In this episode, Chet and Romain talked with Nicole McWilliams and Petr Čermák from the London engineering office about their work on App Widgets and Digital Wellbeing.   Romain: @romainguy Chet: @chethaase Tor: @tornorbye Nicole: ​​@nicolelaure     Subscribe to Android Developers → https://goo.gle/AndroidDevs

Episode 178: Hosts 3, Guests 0

November 15, 2021 41:44 60.18 MB Downloads: 0

In this episode, Chet, Romain and Tor sit down to chat about the Android DevSummit, and in particular all the new features arriving in Android Studio, along with a few other topics like Chet's new jank stats library, the Android 12L release, and more. Top row: Chet and Tor. Bottom row: Romain.   The Android Studio talk discussed is https://goo.gle/3caaFDT     

Episode 177: Honor every photon

October 18, 2021 45:08 64.96 MB Downloads: 0

In this episode, Bart Wronski takes Tor, Romain, and Chet through the camera pipeline that powers the Pixel phones. We talked about how cameras capture images, and how the algorithms responsible for Pixel’s beautiful images work. If you’ve ever wondered how HDR+ or Night Sight works, this episode if for you! Top row: Tor and Bart. Bottom row: Chet and Romain.   Links: Bart’s blog on graphics and image processing SIGGRAPH paper and presentation on handheld multi-frame super resolution Night Sight Astrophotography with Night Sight HDR+ with bracketing on Pixel Live HDR+ on Pixel 4 (HDRnet)   Bart: @bartwronsk Romain: @romainguy Chet: @chethaase Tor: @tornorbye

Episode 176: Android 12 - S stands for System UI

September 27, 2021 42:35 61.31 MB Downloads: 0

In this episode, Chet, Romain and Tor have a chat with Selim, Vadim and Lucas from the Android system UI team, discussing many of the new features in Android 12's user interface. Top row: Vadim, Selim and Romain. Bottom row: Lucas, Tor and Chet.   Some relevant links for the Splash screen discussion: https://goo.gle/3APByre  https://goo.gle/3zGDVeB    Selim: @selimcinek Vadim: @vadimcaen Chet: @chethaase Romain: @romainguy Tor: @tornorbye

Episode 175: Lottie

September 14, 2021 45:16 65.17 MB Downloads: 0

In this episode, Chet, Romain and Tor have a chat with Gabriel Peal from Tonal, well known for his contributions to the Android community on projects such as Mavericks and Lottie. We talked about Lottie and how it helps designers and developers deliver more delightful user experiences by taking complex animations designed in specialized authoring tools such as After Effects, and rendering them efficiently on mobile devices. We also explored the challenges of designing and implementing a rendering engine such as Lottie. Romain, Gabriel, Tor, and Chet   Related info: Lottie LottieFiles Mavericks   Gabriel: @gpeal8 Chet: @chethaase Romain: @romainguy Tor: @tornorbye

Episode 174: Compose tooling

September 09, 2021 34:56 50.28 MB Downloads: 0

In this episode, Tor and Nick are joined by Chris Sinco, Diego Perez and Nicolas Roard to discuss the features added to Android Studio for Jetpack Compose. They discuss the Compose preview, interactive preview, animation inspector and additions to the Layout inspector and their approach to create tooling to support the Compose’s code-centric approach. Diego, Tor, Chris, Nicolas and Nick tooling around.   Tooling guide

Episode 173: More benchmarking

August 26, 2021 35:24 40.05 MB Downloads: 0

In this episode, Chet, Romain and Tor talk with Chris Craik and Rahul Ravikumar from the toolkit performance team. We talk about the recently released the macrobenchmark tool+library, in addition to other interesting bits like how the benchmark libraries work, how to use them, how they relate to system tracing, how to do performance debugging in general, and even a teaser of future performance instrumentation functionality that the team is working on. Chet, Chris, Rahul (top), Romain, and Tor (bottom), all looking unusually happy.   Related info: The Profile your app performance page for an overview of the performance tools and practices we offer. Performance samples Running benchmarks in continuous integration   Chris: @chris_craik Rahul: @tikurahul Chet: @chethaase Romain: @romainguy Tor: @tornorbye

Episode 172: Privacy features in Android 12

August 09, 2021 37:20 53.74 MB Downloads: 0

In this episode, Chet, Romain and Tor talk with Sara N Marandi, Fred Chung and Erik Wolsheimer about the new privacy features in Android 12, such as the privacy dashboard, and the camera and microphone usage indicators. Guests Eric, Sara and Fred on the top row, and hosts Romain, Tor and Chet on the bottom row. Permission best practices → https://goo.gle/3oVdK02  Android 12 privacy changes → https://goo.gle/2VvmtMl  Sara: @snmarandi Fred: @fredchung Eric Chet: @chethaase Romain: @romainguy Tor: @tornorbye

Episode 171: Compose Testing

August 02, 2021 40:19 77.4 MB Downloads: 0

In this episode, Nick and Romain are joined by Filip Pavlis, Jelle Fresen & Jose Alcérreca to talk about Testing in Compose. They discuss how Compose’s testing APIs were developed hand-in-hand with the UI toolkit, making them more deterministic and opening up new possibilities like manipulating time. They go on to discuss the semantics tree, interop testing, screenshot testing and the possibilities for host-side testing. Big smiles from Filip, Jose, Romain, Jelle and Nick for the year of testing on Android. Compose Testing guide Compose Testing Cheatsheet Compose Testing codelab Sample Tests: Jetnews, Jetchat, Crane, Rally Screenshot Testing Compose Learning Pathway   Romain: @romainguy Filip Pavlis Jelle Fresen Jose: @ppvi Nick: @crafty

Episode 170: Jetpack Compose Graphics & Animation

July 20, 2021 42:35 61.3 MB Downloads: 0

In this episode Nick and Chet are joined by Dois Liu and Nader Jawad to discuss Compose’s Animation and Graphics systems. They cover their goals to make both systems easier to understand, more consistent and simpler to work with. They explain how they adapted traditionally imperative systems to a declarative world and give an overview of both the high level composables the library offers as well as lower level building blocks you can drop down to for more control. Hosts Chet & Nick speak to Doris and Nader.   Compose Graphics guide Compose Animation guide Compose Animation codelab AnimatedContent composable AdvanceTimeBy (testing animations) Compose Learning Pathway   Chet: @chethaase Doris: @doris4lt Nader: @nadewad Nick: @crafty

Episode 169: Testing

July 05, 2021 37:18 53.69 MB Downloads: 0

In this episode, Romain and Tor are joined by Adarsh Fernando, Arif Sukoco and Yahan Zhou from the Android Studio team, covering the recent improvements to support for testing. This includes automated test snapshots, where the emulator captures a snapshot for a failing test you can then load and analyze later, it includes the Test Matrix tool where the IDE shows a matrix of tests and the devices they're running on, as well as a unified Gradle test runner, and Gradle managed virtual devices, and more.   Android Studio Bumblebee: Android Testing   Adarsh Fernando Arif Sukoco Yahan Zhou Romain: @romainguy Tor: @tornorbye

Episode 168: Material Composition

June 28, 2021 43:11 62.17 MB Downloads: 0

In our ongoing mini-series on Jetpack Compose, Nick and Romain talk to Clara Bayarri and Matvei Malkov about Compose’s support for Material Design. They discuss how Compose supports Material Components and Material Theming out of the box, how you can customize these to your needs or how Compose makes it easier to build your own design system. They also share insights into building reusable components with slot APIs and when to use CompositionLocals and look to the future with Compose’s planned support for Material You. Hosts Romain and Nick with Clara and Matvei.   Material components reference docs Compose Theming guide Compose Theming codelab Build beautiful Material Design apps with Jetpack Compose Google I/O talk Compose Learning Pathway Clara: @clarabayarri Matvei: @matvei_jj Romain: @romainguy Nick: @crafty

Episode 167: Jetpack Compose Layout

June 14, 2021 42:38 61.38 MB Downloads: 0

In this second episode of our mini-series on Jetpack Compose (AD/BC) Nick and Romain are joined by Anastasia Soboleva, George Mount and Mihai Popa to talk about Compose’s layout system. They explain how the Compose layout model works and its benefits, introduce common layout composables, discuss how writing your own layout is far simpler than Views and how you can even animate layout. Hosts Romain and Nick are joined by Anastasia, George and Mihai and producers Daniel and Jessica 👋   Compose Layouts guide Compose Layouts codelab Layout composable Layout modifier Foundation Layouts & Modifiers (Row, Column, Box etc) Intrinsic size example Compose Learning Pathway   Anastasia: @nastia_05 George: @georgemount1 Mihai: @mihaipopa12 Romain: @romainguy Nick: @crafty

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Episode 166: Security Deposit

June 08, 2021 42:49 61.64 MB Downloads: 0

In this episode, Chad and Jeff from the Android Security team join Tor and Romain to talk about… security. Chad and Jeff explain what the platform does to help preserve user trust and device integrity, why it sometimes means restricting existing APIs, and touch on what apps can do or should worry about.   App security best practices Security tips Security with HTTPS and SSL   Chad: @chadbrubaker__ Jeff: @jeffvanderstoep Romain: @romainguy Tor: @tornorbye