Episode 85: Focus on Audio

Romain, Jean-Michel, and Tor.
Chet is in the distant background (~2,500 miles west of the studio.)

In this episode, Romain and Tor talk with Jean-Michel Trivi from the Android audio team. Tune in to learn about hardware speaker design, ducking and attenuation, stream types, audio tagging, audio focus, and more!

Links:

• If your activity is playing any audio, don't forget to declare what stream type the hardware volume keys should control with Activity.setVolumeControlStream(int stream)
  https://developer.android.com/guide/topics/media-apps/volume-and-earphones.html
• Since Android L, use AudioAttributes to describe your use case and content for your audio playback:
  https://developer.android.com/reference/android/media/AudioAttributes.html
• Use AudioAttributes.getVolumeControlStream() to derive the stream type for volume control in your Activity
  https://developer.android.com/reference/android/media/AudioAttributes.html#getVolumeControlStream()
• A summary of what audio focus is, when and how to request and abandon audio focus, and code snippet for your focus listener:
  https://developer.android.com/guide/topics/media-apps/audio-focus.html
• And finally, when Jean-Michel isn't working on Android, he's paddling
  https://youtu.be/tZC2rmUdEVk

Subscribe to the podcast feed or download the audio file directly.

Jean-Michel: google.com/+JeanMichelTrivi
Romain: google.com/+RomainGuy, @romainguy
Tor: google.com/+TorNorbye, @tornorbye
Chet: google.com/+ChetHaase, @chethaase

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 84: Instant Apps

Tor, Chet, and Patrick

In this episode, Chet and Tor talk with Patrick Baumann from the Instant Apps team. We cover everything from Instant to Apps.

Links:

• AIA docs: http://g.co/instantapps
• Developer stories: https://developer.android.com/stories/instant-apps.html

Subscribe to the podcast feed or download the audio file directly.

Patrick: @PatrickBaumann
Chet: google.com/+ChetHaase, @chethaase
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 83: The Deal of the ART

In which Chet and Tor Romain Guy talk with Nicolas Geoffray from the ART team about runtime performance, including various optimizations in the Oreo release.

Subscribe to the podcast feed or download the audio file directly.

Links

• Performance and Memory Improvements in ART (Google I/O video on YouTube)

Romain: google.com/+RomainGuy, @romainguy
Chet: google.com/+ChetHaase, @chethaase
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 82: Tooling Around

Tor, Chet and Romain discussing studios

In this episode, Chet, Romain and Tor discuss the recently released Android Studio 3.0, the upcoming 3.1 preview release, KotlinConf, and whatever else happened to be on their mind last week.

Subscribe to the podcast feed or download the audio file directly.

Links
Android Studio 3.0 Release Announcement
Android Studio 3.1 Preview

Romain: google.com/+RomainGuy, @romainguy
Chet: google.com/+ChetHaase, @chethaase
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 81: Gradle Sync

Tor, Alex, and Chet in the Android-related Studio

In this episode, Chet and Tor sync with Alex Ruiz on Gradle, and in particular, the IDE integration of Gradle into Android Studio, past and upcoming performance work, the project structure dialog, APK Debugging, and more.

Subscribe to the podcast feed or download the audio file directly.

Alex: google.com/+AlexRuiz, @alexRuiz
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 80: Crash Talk

In which Chet and Tor Dan Sandler talk with Andrea Falcone and Matt Willis from the Crashlytics team about (wait for it...) Crashlytics!

Subscribe to the podcast feed or download the audio file directly.

Links

Crashlytics for Android

Andrea: @asfalcone
Matt: @mattwillis
Dan: google.com/+DanSandler, @dsandler
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.
The audio this time was recorded on sub-standard portable mics and mixed by Dan and Chet. Sorry.

Episode 79: Picking Up Garbage

David, Mathieu, and Chet

In this episode, Chet talks with David Sehr and Mathieu Chartier from the Android Runtime (ART) team, primarily about garbage collection as well as other recent ART improvements in O.

Subscribe to the podcast feed or download the audio file directly.

Links

• Performance and Memory Improvements in ART (Google I/O video on YouTube)

Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 78: Notification Explication

In this episode, Chet and Tor Dan Sandler talk with Julia Reynolds from the Android System UI team about Notifications: channels, Do-Not-Disturb, Dots, ... it's all here.

Subscribe to the podcast feed or download the audio file directly.

Links

• Notification Channels
• Notification Dots

Dan: google.com/+DanSandler, @dsandler
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.
The audio this time was recorded on sub-standard portable mics and mixed by Dan and Chet. Sorry.

Episode 77: Android Internals with Effie Barak

Tor, Effie, Chet

In this episode, Chet and Tor talk with Effie Barak from Pinterest about Android internals and about measuring and improving app performance.

Subscribe to the podcast feed or download the audio file directly.

Links

• Android in Tanenbaum's Operating Systems book
• Effie's Android Internals talk at 360|AnDev

Effie: @CodingChick
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 76: Kotlin-n-stuff

Romain, Chet, Jake!, and Tor

In this episode, Chet, Romain and Tor talk with Jake Wharton about his new role as an engineer on the Android team at Google, and about Kotlin in particular.

Subscribe to the podcast feed or download the audio file directly.

Links

• Parcelable proposal
• Kotlin extension functions
• OkHttp
• Okio
• Retrofit
• Wire
• Moshi

Jake: google.com/+JakeWharton, @JakeWharton
Romain: google.com/+RomainGuy, @romainguy
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 75: Project Treble - for the HAL of it

Iliyan, Romain, Chet, and a complete lack of Tor.

In this episode, Chet and Romain (no Tor in sight. Anyone seen Tor? He was on the calendar appointment, totally expected him to show) talked with Iliyan Malchev from the Treble project. Treble was introduced in May of this year as an important step toward faster and more frequent release updates on devices.

Subscribe to the podcast feed or download the audio file directly.



Links:
Here Comes Treble blog post
Shut the HAL Up blog post
Hot Shots! movie

Iliyan: @imalchev
Romain: google.com/+RomainGuy, @romainguy
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 74: Graphics

Chet, Romain, Mathias, and Tor (not pictured)
in the very fancy and highly-decorated recording studio

In this episode, Chet and Tor Romain talk with Mathias Agopian, who has worked on (or been the entirety of) the Android graphics team since before Android 1.0. We talk about SurfaceFlinger, PixelFlinger, tearing, buffering, optimizations, and other fun low-level graphics and performance details.

Subscribe to the podcast feed or download the audio file directly.








Romain: google.com/+RomainGuy, @romainguy
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 73: Architecture Components 2 - Persistence

Sergei, 3D Chet,  Tor, 2D Chet, and Yigit.

In this episode, Chet and Tor talk [more] with Yigit Boyar and Sergei Vasilinetc about the new Architecture Components project that was announced at Google I/O. In particular, we talk about Persistence. This is a continuation of the conversation we started in Episode 72, which was about Lifecycle. But this one is all about ROOM, the persistence APIs in the Architecture Components project.

Subscribe to the podcast feed or download the audio file directly.


Links
Android Architecture Components
Google I/O 2017: Architecture Components - Introduction
Google I/O 2017: Architecture Components - Lifecycle
Google I/O 2017: Architecture Components - Persistence and Offline
Github Samples

Yigit: @yigitboyar
Sergei: @ZelenetS
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 72: Architecture Components 1 - Lifecycle

Yigit, 2D Chet, Tor, 3D Chet, and Sergei.

In this episode, Chet and Tor talk with Yigit Boyar and Sergei Vasilinetc about the new Architecture Components project that was announced at Google I/O. In particular, we talk about the Lifecycle part of Architecture Components. Stay tuned for a future episode about the Persistence API.

Subscribe to the podcast feed or download the audio file directly.


Links
Android Architecture Components
Google I/O 2017: Architecture Components - Introduction
Google I/O 2017: Architecture Components - Lifecycle
Github Samples

Yigit: @yigitboyar
Sergei: @ZelenetS
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 71: Things

Chet, Lee, Ari, and Tor, in repose.

In this episode, Chet and Tor talk with Lee Campbell and Ari Hausman-Cohen from the Android Things team about that project and IoT in general.

Subscribe to the podcast feed or download the audio file directly.


Links
Android Things
Android Things sessions at Google I/O

Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 70: Color

Chet, Romain, and Tor in the totally
professional recording studio

In this episode, Chet and Tor talk with Romain Guy about color, spanning topics from how color works (on devices and in our eyes) to specific color technologies/specifications like sRGB and wide-gamut displays to specific features that are now available in the Android O Preview release.

Subscribe to the podcast feed or download the audio file directly.


Links
Android O Developer Preview
Google I/O 2017: Understanding Color
360|AnDev: U and I

Romain Guy: google.com/+RomainGuy, @romainguy

Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 69: IO IO

Dan, Chet, Chiu-Ki, Chris, Huyen, Mark, Corey, and Kaushik

In this episode, Chet and !Tor talked with a veritable mob of Android app developers about interesting stuff from Google I/O 17 and in the Android O preview release.

Subscribe to the podcast feed or download the audio file directly.


Links
Android O Developer Preview
Android@Google I/O Sessions

Dan Lew: @danlew42
Chiu-Ki Chan: @chiuki
Chris Lacy: @chrismlacy
Huyen Tue Dao: @queencodemonkey
Mark Allison: @MarkIAllison
Corey Latislaw: @corey_latislaw
Kaushik Gopal: @kaushigopal

Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 68: Profiler

Tor, Esteban and Chet in the Studio.

In this episode, Chet and Tor talk with Esteban de la Canal about the new profiling tools in Android Studio 3.0. Join us to hear about the CPU profiler, the memory profiler, the network profiler, allocation tracking, heap dump analysis, changes to Android O to support low overhead profiling and more.

This episode was recorded three months ago, so some details around version numbers and release dates are off, but the information should still be useful and interesting. And in the time since the podcast was recorded, the profiler has added support for OkHttp.

Subscribe to the podcast feed or download the audio file directly.


Links
Android Profiler in Android Studio 3.0

Esteban: google.com/+EstebandelaCanal, @estebandlc
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 67: Fontastic

In this episode, Chet and Tor talk talks with Clara Bayarri and Alan Viverette about downloadable fonts, fonts in XML, EmojiCompat, and other new features in the v26 beta 1 release of the Android Support Library. All of these features were revealed and demonstrated at Google I/O, so you might also want to check out the I/O talks linked below.

Subscribe to the podcast feed or download the audio file directly.


Links


Google I/O Session: What's New in Android Support Library
Google I/O Session: Best Practices to Slim Down your App Size
Android O Features and APIs
Android Support Library

Chet: google.com/+ChetHaase, @chethaase
Alan: google.com/+AlanViverette, @alanviverette

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 66: Kotlin!

Tor, Yigit, Chet, and Romain, in our very fancy
ADB recording studio

In this episode, Chet and Tor talk with Romain Guy and Yigit Boyar about Kotlin, Android's new officially supported language. Join us to hear a free-ranging discussion about various favorite features of the language.

Subscribe to the podcast feed or download the audio file directly.







Links


Android Announces Support for Kotlin
Kotlin Koans (online tutorial)

Chet: google.com/+ChetHaase, @chethaase

Romain: google.com/+RomainGuy, @romainguy
Yigit: plus.google.com/111851968937104436377, @yigitboyar
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 65: Emulator

Chet, Huan, Jamal and Tor

In this episode, Chet and Tor talk with Jamal Eason and Huan Ren from the Android tools team about the emulator. Tune in learn whether you should use the 32 bit or the 64 bit system images, and more.

Subscribe to the podcast feed or download the audio file directly.




Links

Jamal: google.com/+JamalEason
Chet: google.com/+ChetHaase, @chethaase

Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 64: Gradleweiss

Chet, Jerome, Xav, Tor, and Gradle (not pictured).

In this episode, Chet and Tor talk with Xavier Ducrohet and Jerome Dochez from the Android Studio team. We talk about gradle, gradle, and gradle. And then some more about gradle, rounding out the dicussion with a chat about gradle before ending on a brief discourse on gradle.

Subscribe to the podcast feed or download the audio file directly.




Links

Xav: google.com/+XavierDucrohet, @droidxav
Jerome: @dochez

Chet: google.com/+ChetHaase, @chethaase
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 63: Dagger

Chet, Gregory and Tor in the dark

In this episode, Chet and Tor talk with Gregory Kick from the Java Core Libraries team at Google about Dagger, as well as Auto, AutoValue and Guava.

Subscribe to the podcast feed or download the audio file directly.

Links

• Dagger 2: https://google.github.io/dagger/
• Auto: https://github.com/google/auto/
• AutoValue: https://github.com/google/auto/tree/master/value
• Guava: https://github.com/google/guava 

Gregory: google.com/+GregoryKick, @gk5885

Chet: google.com/+ChetHaase, @chethaase
Tor: google.com/+TorNorbye, @tornorbye

Thanks to continued tolerance and support by our audio engineer, Bryan Gordon.

Episode 62: It Depends

In this episode, Chet and Tor talk with Alan Viverette and Chris Banes about random things about the Support Library: releases, AppCompat, drawables, Night mode, gradle, support lib modularization, and more.

Will it answer all of your Support Lib questions? It depends...

Subscribe to the podcast feed or download the audio file directly.

Links
Support Library

Alan: +AlanViverette
Chris: +ChrisBanes, @chrisbanes, blog
Chet: +ChetHaase, @chethaase
Tor: +TorNorbye, @tornorbye

Episode 61: Kernel Panic

In this episode, Chet speaks with Rom Lemarchand from the Android Systems team.

Tune in to hear about the new A/B system updates, kernel patches and much more.

Subscribe to the podcast feed or download the audio file directly.

Links
A/B system updates

Chet: +ChetHaase, @chethaase
Tor: +TorNorbye, @tornorbye