MultiDex and incremental dexing

[Valerio Santinelli]

Hello everyone,

is there any news on incremental dexing for projects using MultiDex? I've got a quite large one where I needed to turn MiltiDex on and now it takes a very long time to compile. I suppose that incremental dexing would really help in reducing compile times. So is there any news on this front?

Cheers!

Valerio Santinelli

[Xavier Ducrohet]

It's not yet incremental though it's something we want to look at in the near future.

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Xavier Ducrohet
Android SDK Tech Lead
Google Inc.
http://developer.android.com | http://tools.android.com

Please do not send me questions directly. Thanks!

[Valerio Santinelli]

Thanks Xavier, this is something that's definitely needed for large projects.

Have you got any suggestions to decrease the build time in the meanwhile?

Cheers!

Valerio

[Artem Zinnatullin]

For development purposes you can configure separate product flavor with minSdkVersion 21, this flavor can be build a lot faster than regular one because ART which replaced Dalvik in APIs > 20 supports multiple dex files out of the box, multidex for API <= 20 requires a lot of time to decide what classes should be placed in first dex file.

Take a look: https://developer.android.com/tools/building/multidex.html#dev-build

[Valerio Santinelli]

Eould it be necessary to set the minSdkVersion to 21 on each module or is it enough to add it to the app's gradle?

Valerio Santinelli

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[Xavier Ducrohet]

Just on the app.

[Valerio Santinelli]

That definitely helped. It brought my build time from 1m 35secs to 32secs.

I also tried the beta gradle plugin as suggested here http://stackoverflow.com/a/30776895/443136 but the difference isn't really much.

Valerio Santinelli

Inviato da iPhone