Now I'm trying to generate signed APK for app-release but I face this following error: 'Generating signed Bundle requires you to update the Android Gradle plugin to version 3. How can I fix this? I have not a single clue.. Best regards!
Rusben Wladiskoz Rusben Wladiskoz 2 2 gold badges 7 7 silver badges 15 15 bronze badges. Add a comment. Active Oldest Votes.
You need to update your Android Gradle Plugin. Eric Duffett Eric Duffett 1, 13 13 silver badges 25 25 bronze badges. Thanks, I look into it!
However, this process can be time-consuming for large projects. If your project uses multiple build variants, you can now optimize project syncs by limiting them to only the variant you have currently selected. You need to use Android Studio 3. When you meet these requirements, the IDE prompts you to enable this optimization when you sync your project. The optimization is also enabled by default on new projects. When enabling the optimization for projects with Kotlin content, Gradle sync falls back to using full variants internally.
To learn more, read Auto-download missing packages with Gradle. The Android Gradle plugin now uses version You no longer have to build, sign, and manage multiple APKs, and users get smaller downloads that are optimized for their device. To learn more, read About Android App Bundles. Support for improved incremental build speeds when using annotation processors: The AnnotationProcessorOptions DSL now extends CommandLineArgumentProvider , which enables either you or the annotation processor author to annotate arguments for the processor using incremental build property type annotations.
Using these annotations improves the correctness and performance of incremental and cached clean builds. To learn more, read Pass arguments to annotation processors. Using this migration tool also sets the following flags to true in your gradle.
To learn more, read the AndroidX overview. New code shrinker, R8: R8 is a new tool for code shrinking and obfuscation that replaces ProGuard. To use AAPT2, make sure that you have the google dependency in your build. Native multidex is now enabled by default.
Previous versions of Android Studio enabled native multidex when deploying the debug version of an app to a device running Android API level 21 or higher. The plugin now enforces a minimum version of the protobuf plugin 0. The feature module plugin, com. For example, if your feature module name includes dashes, you get a build error. This behavior matches that of the dynamic feature plugin. DEX compilation is the process of transforming.
Compared to the previous compiler, called DX, D8 compiles faster and outputs smaller DEX files, all while having the same or better app runtime performance. D8 shouldn't change your day-to-day app development workflow. However, if you experience any issues related to the new compiler, please report a bug. You can temporarily disable D8 and use DX by including the following in your project's gradle. For projects that use Java 8 language features , incremental desugaring is enabled by default.
You can disable it by specifying the following in your project's gradle. Preview users: If you're already using a preview version of D8, note that it now compiles against libraries included in the SDK build tools —not the JDK. Because local modules can't depend on your app's test APK, adding dependencies to your instrumented tests using the androidTestApi configuration, instead of androidTestImplementation , causes Gradle to issue the following warning:.
Some of these changes break existing builds. So, you should consider the effort of migrating your project before using the new plugin.
If you don't experience the performance improvements described above, please file a bug and include a trace of your build using the Gradle Profiler. This is a minor update to support Android Studio 3. Optimizations Better parallelism for multi-module projects through a fine grained task graph.
When making changes to dependency, Gradle performs faster builds by not re-compiling modules that do not have access to that dependency's API. You should restrict which dependencies leak their APIs to other modules by using Gradle's new dependency configurations : implementation , api , compileOnly , and runtimeOnly. Faster incremental build speed due to per-class dexing. Each class is now compiled into separate DEX files, and only the classes that are modified are re-dexed.
You should also expect improved build speeds for apps that set minSdkVersion to 20 or lower, and use legacy multi-dex. Improved build speeds by optimizing certain tasks to use chached outputs. To benefit from this optimization, you need to first enable the Gradle build cache. Improved incremental resource processing using AAPT2, which is now enabled by default. If you are experiencing issues while using AAPT2, please report a bug. You can also disable AAPT2 by setting android.
New features Variant-aware dependency management. When building a certain variant of a module, the plugin now automatically matches variants of local library module dependencies to the variant of the module you are building.
To learn more about creating Feature modules with the new plugin, read Structure of an instant app with multiple features. Built-in support for using certain Java 8 language features and Java 8 libraries. Jack is now deprecated and no longer required , and you should first disable Jack to use the improved Java 8 support built into the default toolchain. For more information, read Use Java 8 language features.
Added support for running tests with Android Test Orchestrator , which allows you to run each of your app's tests within its own invocation of Instrumentation. Because each test runs in its own Instrumentation instance, any shared state between tests doesn't accumulate on your device's CPU or memory. And, even if one test crashes, it takes down only its own instance of Instrumentation , so your other tests still run.
Added testOptions. By default, this property is set to HOST , which disables on-device orchestration and is the standard method of running tests.
When you set this property to true , the plugin performs resource, asset, and manifest merging before running your unit tests. Note: For library modules, the merged assets do not contain the assets of dependencies see issue This is a minor update that adds compatibility with Android Studio 2.
This is a minor update to Android plugin 2. If you want to apply an annotation processor at compile time but not include it in your APK, use the annotationProcessor dependency scope:. This update requires Gradle 2. Gradle 2. For more details, see the Gradle release notes. Note: Instant Run does not currently work with Jack and will be disabled while using the new toolchain.
You only need to use Jack if you are developing for the N Preview and want to use the supported Java 8 language features. Added support for dexing-in-process which performs dexing within the build process rather than in a separate, external VM processes.
This not only makes incremental builds faster, but also speeds up full builds. The feature is enabled by default for projects that have set the Gradle daemon's maximum heap size to at least MB.
You can do this by including the following in your project's gradle. If you have defined a value for javaMaxHeapSize in your module-level build. For example, if you have set javaMaxHeapSize to "m", you need to add the following to your project's gradle. To disable dexing-in-process, add the following code to your module-level build. Note: A test APK module does not support product flavors and can only target a single variant.
Also, Jacoco is not supported yet. Note: This version of the Android plugin for Gradle is not compatible with Gradle 2. Content and code samples on this page are subject to the licenses described in the Content License.
Android Studio. Download What's new User guide Preview. Features overview Release notes. Android Developers. The JCenter repository became read-only on March 31st, For more information, see JCenter service update. See the 4. Groovy android. To learn more, see updating Gradle. After entering required version for both Gradle and Plugin press Ok. It will Sync modified gradle files. After that you can start working with new Gradle version.
Updating the plugin is like changing the dependency classpath mentioned in the project gradle file. For this please open Project level build. Updating the Gradle actually downloads the corresponding zip file from the online Gradle repository to a directory of Gradle Home By default under OS User folder.
Please follow the below instructions to update Gradle using wrapper. The Wrapper is a script that invokes a declared version of Gradle, downloading it beforehand if necessary. This is project level script. By default it is selected in Android Studio Gradle Settings.
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