Installing a flutter apk on Pixel C w/ Nougat takes 40+ seconds

[apwilson]

12:32:28.701: 41499 ms • <redacted>/android-sdk-linux/platform-tools/adb -s <redacted> install -r build/app.apk

It used to take less than 10. (before I upgraded my device to Nougat).

[chinmaygarde]

What is the size of the APK being installed? I have been testing on Nougat for the past week and haven't seen any regression. Also, are you using the Android SDK in third_party or using your own?

[apwilson]

14.7MB

[apwilson]

My own sdk

[apwilson]

Where is this third party one?

[chinmaygarde]

Sorry. I assumed you were using the engine repository. In the engine, it is at third_party/android_tools/sdk/platform-tools. Currently, we use Android Debug Bridge version 1.0.32. Maybe we need to recommend updating the SDK if we think certain versions are slow for Nougat.

[apwilson]

What parts of an android sdk are needed to use flutter? Just built/platform tools or does it need all those system images?

[chinmaygarde]

https://flutter.io/setup/#android-setup

We need the SDK as well as the tools for building the APK.

[chinmaygarde]

What does adb version version say on your machine?

[apwilson]

Android Debug Bridge version 1.0.36

[chinmaygarde]

Damn, thats actually newer than the one I am using. Lets try export ADB_TRACE=all and see where it is stuck/slow.

[apwilson]

Working with Chinmay offline we found his 6P w/Nougat (same build NRD90R) was fine with my setup so it appears to be something specific about my Pixel C.

[apwilson]

fwiw, I discovered that if I uninstall the app before installing the new one this issue went away.