Ever feel like you are waiting for the builds to complete in Studio for minutes? Me too. And it’s a pretty annoying. Android Fortunately, there are a few ways that you can use to improve this. Android uses for building. The latest version is 2.10 has a huge performance boost over previous versions (see for details). Gradle Release notes Step 1: Update Gradle version An easier way to accomplish this is to go to: Open Module Settings (your project) > Project Structure In and enter 2.10 Gradle version Changing the Gradle version in dialog Project Structure Download Gradle Release distributive from https://services.gradle.org/distributions/gradle-2.10-all.zip And copy it to the Gradle folder: Last step is to add your discribution in Settings > Gradle Don’t forget to click to save changes**.** Apply Step 2: Enable Offline mode, Gradle daemon and parallel build for the project Offline mode tells Gradle to ignore update-to-date checks. Gradle asks for dependencies everytime and having this option makes it just uses what is already on the machine for dependencies. Go to from android studio and click in box. Gradle Setting Offline work 2. Go to from android studio and add “— offline” in command-line box and click . Compiler Setting Compile independent modules in parallel Gradle options: Compiling in parallel and Offline mode The next step is to enable the Gradle daemon and parallel build for your project. Parallel builds will cause your projects with multiple modules (multi-project builds in Gradle) to be built in parallel, which should make large or modular projects build faster. These settings could enabled by modifiing a file named directory(i.e., ).Some of these options (e.g. Complie modules in parallel) are available from Android Studio and also enabled there by default, but putting them in the file will enabled them when building from the terminal and also . But if you’re working on a team, sometimes you can’t commit this stuff. gradle.properties in Gradle scripts ~/.gradle/gradle.properties gradle.properties making sure that your colleagues will use the same settings # When configured, Gradle will run in incubating parallel mode.# This option should only be used with decoupled projects. More details, visit org.gradle.parallel=true # When set to true the Gradle daemon is used to run the build. For local developer builds this is our favorite property.# The developer environment is optimized for speed and feedback so we nearly always run Gradle jobs with the daemon. org.gradle.daemon=true Using the daemon will make your builds startup faster as it won’t have to start up the entire Gradle application every time. The Gradle Daemon is not enabled by default, but it’s recommend always enabling it for developers’ machines (but leaving it disabled for continuous integration servers). FAQ about this mode could be found here . https://docs.gradle.org/current/userguide/gradle_daemon.html The parallel builds setting could be unsafe for some projects. The requirement is that all your modules must be or your build could fail (see for details). decoupled http://gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects Step 3: Enable incremental dexign and tweak memory settings You can speed up your builds by turning on incremental dexing. In your module’s build file: Add this option to your block: android dexOptions {incremental true} In that dexOptions block you can also specify the heap size for the dex process, for example: dexOptions {incremental truejavaMaxHeapSize "12g"} Where “12g” is 12GB of memory. Additional information about this could be found here google.github.io/android-gradle-dsl/current/ You can also configure Gradle parameters in the settings file, e.g. increase the max heap size in case you have a large project: _# Specifies the JVM arguments used for the daemon process.# The setting is particularly useful for tweaking memory settings.# Default value: -Xmx10248m -XX:MaxPermSize=256m_ org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 See all list of parameters here: for details. https://docs.gradle.org/current/userguide/userguide_single.html#sec:gradle_configuration_properties Step 4: Disable Antivirus Consider to exclude project and cache files from antivirus scanning. This is obviously a trade off with security. But if you switch between branches a lot, then antivirus will rescan files before allowing gradle process to use it, which slows build time (in particular Android Studio sync project with gradle files and indexing tasks). Measure build time and process CPU with and without antivirus enabled to see if it is related. I hope this helps. Leave a comment if you have any question or some other tips for improving the build performance. Thank you!

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