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Blog: Android Developers Blog
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Make it faster - Android Developers Backstage

https://www.youtube.com/watch?v=D1xPZagZdqk

Link to podcast → https://goo.gle/44TmIQm

In this episode we cover ADB -- not "Android Developers Backstage", but "Android Debug Bridge", the technology powering device connections. Romain and Tor talk with Fabien Sanglard from the Android Studio team on his work to improve the debug stack -- including the new USB speed detection feature recently unveiled at Google I/O.

Chapters:
Intro (00:00)
You may know Fabien from… (00:50)
Applying relevant knowledge to Android Studio (3:28)
Communicating with remote devices and debugging (12:18)
Accommodating a debugger (13:55)
Fixed protocols and how to work around (16:10)
What other versions of ADB do you use to get the suite faster? (19:27)
Other ways to make the debugger faster (20:38)
The differences between USB cables (21:51)
How to find the right cable (30:17)
ADB over wifi (32:41)
How to detect which usb port is faster on your laptop? (34:46)
Complexity of new cables (36:57)
Install time of APK’s (37:41)
New ways of helping full stack devs (45:44)
Final thoughts (49:19)
Viewer questions (57:54)

Check out → https://goo.gle/3wK4EM4

Watch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

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Speakers: Romain Guy, Tor Norbye, Fabien Sanglard
AI development assistance - Android Developers Backstage

https://www.youtube.com/watch?v=tprU6FTZrHc

In this episode we talk with Kathy Korevec from the AIDA team at Google about AI assisted developer tools, such as Android Studio -- which is using Gemini AI models provided by AIDA.

Chapters:
Intro (00:00)
Productivity and AI (4:55)
Kathy's team (7:45)
Developer productivity (8:28)
Features done together (9:51)
Smaller model (11:14)
Personalization is missing (13:46)
Code transformation (16:44)
How do the transformers work? (18:29)
AI writing scenarios (23:58)
Agents (24:21)
Context and retrieval augmentation (27:01)
Training models (30:55)
Training repositories (37:36)
Gemini (38:03)
Gemma involvement (40:48)
Different sizes of Gemma (45:15)
Final thoughts (46:22)

Check out → https://goo.gle/3wK4EM4

Catch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #AndroidDevelopersBackstage


Speakers: Romain Guy, Tor Norbye, Kath Korevec
Micro optimizations - Android Developers Backstage

https://www.youtube.com/watch?v=Z9-Z16glXRU

Link to podcast → https://goo.gle/4f2wC7b

In this episode Tor and Romain find themselves without a guest and decide to chat about micro optimizations and writing custom tools.

Chapters:
Intro (00:00)
Micro optimizations (00:32)
Kotlin explorer (3:25)
Avoiding object allocations (6:49)
Code Inefficiencies (8:10)
Compilers (12:13)
Understand assembly with AI (18:39)
Layout opt (21:20)
Programmers writing tools (21:52)
char.isBlank (25:35)
Lint checks (27:59)
Companion objects (29:40)
Java assertion mechanism (32:00)
Hash maps (35:13)
When to micro optimize and when not to (43:46)
Benchmarking (47:26)
New optimizations (48:46)
Wrap up (50:46)

Catch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #Android #AndroidDevelopersBackstage


Speakers: Tor Norbye, Romain Guy
Products Mentioned: Android
Compose animations - Android Developers Backstage

https://www.youtube.com/watch?v=kFtFP5dBJDo

In this episode, Chet, Romain, and Tor chat with Doris Liu from the Compose team about animations in Compose -- covering everything from the basic primitives up to the recently added Shared Element Transitions.

Chapters:
Intro (00:00)
Animation capabilities of Compose (1:06)
Different types of animation specs (3:43)
Layers of functionality, transitions (7:49)
TargetBasedAnimation (9:48)
Vectors & velocity of color change (12:43)
Second layer parallel to animation spec (16:39)
Animation interruptions (18:48)
Motion layout problem-solving (20:19)
Both scale and move in question (25:45)
Different mental models for layout animation in Compose vs. View (26:20)
Shared element (31:05)
Are there things you wish more people were aware of? (34:19)
What's the tooling story for this? (41:57)
What is Look Ahead? (43:16)
All software is regret (48:49)
New API: Modifier.animateBounds (51:52)
How to reach Doris – leave a comment (55:57)
Motion Frame of Reference Placement (57:29)
Wrap up (59:10)

Links:
Shared element tutorial → https://goo.gle/3XrGYp5
Shared element talk → https://goo.gle/47tm3qm
A quick guide to compose animations → https://goo.gle/3Tm853p
The API layers except the highest level APIs we chatted about in the podcast → https://goo.gle/3MGsiNE

Catch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #Android #AndroidDevelopersBackstage
Studio Jewelry - Android Developers Backstage

https://www.youtube.com/watch?v=HmjKmoct3Ws

Link to podcast → https://goo.gle/3YAzC4c

In this episode Chet, Romain and Tor chat with Sebastiano about how the Android Studio team builds UIs. We talk about how Compose for Desktop is used in parts of Android Studio and how the Compose Markdown renderer available in the Jewel library makes Studio Bot tick.

Chapters:
Intro (00:00)
Android Dev UX team (00:39)
What kind of libraries and languages are used to build Android studio? (1:52)
Swing (2:53)
Reactive and declarative programming models (8:25)
SKIA for Kotlin (10:01)
Jetpack Compose widgets (11:54)
Jewel (13:07)
Text rendering across platforms (15:51)
Differences in behaviors (17:40)
Support for markdown files (20:26)
What is markdown? (21:25)
Swing and html (25:45)
Selection handling in StudioBot (28:46)
Boosting productivity with Compose (30:40)
Standalone vs plugin artifacts (34:29)
The difference between Jewel & Swing (35:30)
HTML vs Markdown (39:31)
Markdeep (41:53)
Jewel's Markdown API (43:46)
Where to find Jewel? (46:54)
Sebastiano’s podcast - Code with the Italians (47:34)
Final thoughts (49:13)

Resources:
Jetpack Compose → https://goo.gle/4hfyWZt
Compose Multiplatform, for Desktop → https://goo.gle/3NFgvju
Jewel → https://goo.gle/3Ulo0Q6
Jewel Markdown Renderer → https://goo.gle/4fjWmv8

Catch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #Android #AndroidDevelopersBackstage
Rules about performance tools - Android Developers Backstage

https://www.youtube.com/watch?v=bvXWQ2NidmQ

In this episode Chet, Romain and Tor chat with Shai Barack about how the Android platform team studies performance and understands system health - and what is system health anyway? We talk about measuring performance, deciding trade-offs, and our favorite tools such as Perfetto, Compiler Explorer, and Android Studio's Memory Profiler.

Chapters:
Intro (00:00)
System health (0:27)
Efforts to make apps more efficient (3:35)
Telemetry data (5:59)
Trade offs between long battery life and good performance (8:21)
Scheduling groups (10:38)
Static drain (13:32)
Collaborating with App developers vs operating system (19:10)
High refresh rates (23:26)
Reach vs engagement (32:02)
What tools does your team use to optimize performance? (34:10)
Godbolt.org (37:09)
Demystifying (39:39)
The best tools are multi-player (43:52)
R8 or R-Not? (45:42)
Optimizing for feature sets (48:05)
Tools, not Rules (50:08)
What are the tools I should be aware of as an app developer looking to upscale performance? (54:36)
Allocation tracker (55:37)
Open source tools (57:08)
Useful resources for devs to understand various tools (59:04)
Final thoughts (1:06:19)

Links:
Link to podcast → https://goo.gle/3ZmnrIO
Compiler Explorer → https://goo.gle/3Zbq6DV
Perfetto → https://goo.gle/3OtD3UK and https://goo.gle/3B3S3p5
Tools, not Rules → https://goo.gle/416CyY7

Catch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #Android #AndroidDevelopersBackstage
Happy birthday, Android Studio!

https://www.youtube.com/watch?v=IhP4xwRPJGY

In this episode Chet, Romain and Tor chat with Xav and Jamal from the Android Studio team to talk about the history of Android’s IDE.

Chapters:
Intro (00:00)
Topic of the day - Android Studio releases (00:59)
What was before Android studio? (2:33)
Eclipse (7:22)
Jamal joins Android (13:56)
Android studio 1.0 (16:40)
Android studio 1.0 - launch (21:56)
Android studio 3.0 (25:17)
Differences after the Kotlin announcement (28:02)
Studio 2.1 big complaints (31:32)
Code names in Android (33:23)
Favorite versions of Android Studio (38:01)
Team growth 2010 - 2017 (41:22)
Android Studio 4.0 - motion editor (43:26)
Gradle (45:27)
Profilers (53:06)
Regrets? (54:04)
Favorite features? (56:37)
Wrap up (59:53)

Resources:
Link to podcast → https://goo.gle/4aAhYSO
Android Studio → https://goo.gle/36F8fcS
Android Studio 1.0 → https://goo.gle/4h4X68z
Announcing Android Studio → https://goo.gle/3EapKGH

Watch more Android Developers Backstage → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs

#Featured #AndroidDevelopers #AndroidDevelopersBackstage