This is a detailed article how modularization can improve your Android app's build time by Nikita Koslov.ġ4. Here's an article by Joe Birch regarding Modularization of Android Applications. I recommend modularization not only because of module re-use, or for optimizing build times, but also because it is ready to support the latest Android's Dynamic Features and Instant App. How the build system compiles your project based on module specific changes. Here's a quick overview of project modularization. Modularizing your project codebase allows the Gradle build system to compile only the modules you modify and cache those outputs for future builds. More on Gradle's default memory settings. In this example, we are setting it to UTF-8. To support multidex, just add and set multiDe圎nabled to true.Įnter fullscreen mode Exit fullscreen modeīonus, you need to set the right file.encoding properties when the JVM executes the Gradle build (eg. Multidex was introduced to help you avoid the 64K limit. the 64K limit, once a single Dalvik Executable or DEX file reached the limit, you will encounter a build error. Note, newer version changes may introduce unwanted compilation errors or compatibility issues, make sure to check out and follow the migration guide when upgrading your Gradle.Įstimates that this will reduce 20-25% of your build time.Īndroid build architecture has a limitation of 65,536 method references, a.k.a. At the time of writing, the latest release currently available is Gradle 5.4.1. Gradle team release newer versions of Gradle with faster compilation and build times. Always use the latest Gradle Plugin for Android This is a sample report after running the task with -profile.Ģ. Or, you can add it on the command-line options under Preferences when running the project on Android Studio. You can pass on -profile directly on the command-line when invoking Gradle task.įor example. As we may have different project architecture, tests, and way of writing code, it's best that you always profile your own build - preferrably on each optimization configuration change you make. With that said, I hope this list will improve your overall team's productivity when building awesome apps! Several factors affect the estimations - including, but not limited to, your project's architecture, number of tests written, lint checks, current gradle configuration, your computer's hardware specifications, and the list goes on. In this article, I provided a list of configurations, and tips you can implement for speeding up your Android project's Gradle builds.ĭISCLAIMER: Some of the tips will include estimations, these estimations may not exactly match your project's build time improvement. Lower productivity is lost money for the business. Slower project build times may result in lower productivity.
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