Android Studio 3.0 最新版本运行报错： Task 'package' is ambiguous in root project 'MyRobot'. Candidates are:

09:52:22.876 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] FAILURE: Build failed with an exception. 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * What went wrong: 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Task 'package' is ambiguous in root project 'MyRobot'. Candidates are: 'packageDebug', 'packageDebugAndroidTest', 'packageRelease'. 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 09:52:22.877 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * Try: 09:52:22.878 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Run gradle tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. 09:52:22.878 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 09:52:22.878 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * Get more help at https://help.gradle.org 09:52:22.879 [ERROR] [org.gradle.internal.buildevents.BuildResultLogger] 09:52:22.879 [ERROR] [org.gradle.internal.buildevents.BuildResultLogger] BUILD FAILED in 1m 2s 09:52:22.914 [DEBUG] [org.jetbrains.kotlin.gradle.plugin.KotlinGradleBuildServices] [KOTLIN] Skipping kotlin cleanup since compiler wasn't called 09:52:22.944 [DEBUG] [org.jetbrains.kotlin.gradle.plugin.KotlinGradleBuildServices] [KOTLIN] Disposed KotlinGradleBuildServices 09:52:22.945 [DEBUG] [org.gradle.internal.work.DefaultWorkerLeaseService] Worker lease root.1 completed (0 worker(s) in use)

$ gradle tasks

Task :tasks

All tasks runnable from root project

Android tasks

androidDependencies - Displays the Android dependencies of the project. signingReport - Displays the signing info for each variant. sourceSets - Prints out all the source sets defined in this project.

Build tasks

assemble - Assembles all variants of all applications and secondary packages. assembleAndroidTest - Assembles all the Test applications. assembleDebug - Assembles all Debug builds. assembleRelease - Assembles all Release builds. build - Assembles and tests this project. buildDependents - Assembles and tests this project and all projects that depend on it. buildNeeded - Assembles and tests this project and all projects it depends on. clean - Deletes the build directory. cleanBuildCache - Deletes the build cache directory. compileDebugAndroidTestSources compileDebugSources compileDebugUnitTestSources compileReleaseSources compileReleaseUnitTestSources mockableAndroidJar - Creates a version of android.jar that's suitable for unit tests.

Build Setup tasks

init - Initializes a new Gradle build. wrapper - Generates Gradle wrapper files.

Help tasks

buildEnvironment - Displays all buildscript dependencies declared in root project 'MyRobot'. components - Displays the components produced by root project 'MyRobot'. [incubating] dependencies - Displays all dependencies declared in root project 'MyRobot'. dependencyInsight - Displays the insight into a specific dependency in root project 'MyRobot'. dependentComponents - Displays the dependent components of components in root project 'MyRobot'. [incubating] help - Displays a help message. model - Displays the configuration model of root project 'MyRobot'. [incubating] projects - Displays the sub-projects of root project 'MyRobot'. properties - Displays the properties of root project 'MyRobot'. tasks - Displays the tasks runnable from root project 'MyRobot' (some of the displayed tasks may belong to subprojects).

Install tasks

installDebug - Installs the Debug build. installDebugAndroidTest - Installs the android (on device) tests for the Debug build. uninstallAll - Uninstall all applications. uninstallDebug - Uninstalls the Debug build. uninstallDebugAndroidTest - Uninstalls the android (on device) tests for the Debug build. uninstallRelease - Uninstalls the Release build.

Verification tasks

check - Runs all checks. connectedAndroidTest - Installs and runs instrumentation tests for all flavors on connected devices. connectedCheck - Runs all device checks on currently connected devices. connectedDebugAndroidTest - Installs and runs the tests for debug on connected devices. deviceAndroidTest - Installs and runs instrumentation tests using all Device Providers. deviceCheck - Runs all device checks using Device Providers and Test Servers. lint - Runs lint on all variants. lintDebug - Runs lint on the Debug build. lintRelease - Runs lint on the Release build. lintVitalRelease - Runs lint on just the fatal issues in the release build. test - Run unit tests for all variants. testDebugUnitTest - Run unit tests for the debug build. testReleaseUnitTest - Run unit tests for the release build.

To see all tasks and more detail, run gradle tasks --all

To see more detail about a task, run gradle help --task <task>

BUILD SUCCESSFUL in 2s 1 actionable task: 1 executed