in 1.5.x, the javac task is not incremental so all java sources are recompiled every time.
we actually just enabled incremental javac compilation so it will be available in the next alpha or beta release of 2.0.0 if you are brave enough to try it ! jerome On Thu, Dec 17, 2015 at 6:28 AM thierryd <[email protected]> wrote: > I'm trying to speed my build in Android Studio 1.5.1 with the latest build > tools. I'm using: > > buildToolsVersion '23.0.2' > com.android.tools.build:gradle:2.0.0-alpha3 > dexOptions.incremental false > dexOptions.preDexLibraries true > dexOptions.javaMaxHeapSize "4g" > dexOptions.dexInProcess true > > My app is multidex, uses flavor and flavorDimensions. > > Right now when I change a java line, my build time is 27s. When I run the > profile option, the following tasks take much of the time: > > :app:compileReplicaLaPresseDebugJavaWithJavac 8.998s > :app:transformClassesWithDexForReplicaLaPresseDebug 5.993s > :app:transformClassesWithMultidexlistForReplicaLaPresseDebug 4.385s > :app:transformClassesWithJarMergingForReplicaLaPresseDebug 3.224s > :app:packageReplicaLaPresseDebug 3.116s > > Is there anything wrong with my setup? I'm surprised > compileReplicaLaPresseDebugJavaWithJavac takes 9 seconds, as I have only > changed one line. > > I know I could target Lolipop+ to avoid the multidex penalty. But > installing on Lolipop takes such a long time that I prefer my old Nexus 10 > v4.4. :) > > -- > You received this message because you are subscribed to the Google Groups > "adt-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "adt-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
