问题

While trying to build my android ndk project getting following error. Android studio version 3.1.3

FAILURE: Build failed with an exception.

What went wrong: Execution failed for task ':app:ndkBuild'.

Process 'command '/Users/bnaskar/Library/Android/sdk/ndk-bundle/ndk-build'' finished with non-zero exit value 2
Try: Run with --info or --debug option to get more log output. Run with --scan to get full insights.
Exception is:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:ndkBuild'. at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70) at org.gradle.api.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute(OutputDirectoryCreatingTaskExecuter.java:51) at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62) at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54) at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:60) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:97) at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:87) at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54) at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328) at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:123) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:79) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:104) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:98) at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:626) at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:581) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:98) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55) Caused by: org.gradle.process.internal.ExecException: Process 'command '/Users/bnaskar/Library/Android/sdk/ndk-bundle/ndk-build'' finished with non-zero exit value 2 at org.gradle.process.internal.DefaultExecHandle$ExecResultImpl.assertNormalExitValue(DefaultExecHandle.java:382) at org.gradle.process.internal.DefaultExecAction.execute(DefaultExecAction.java:31) at org.gradle.api.tasks.AbstractExecTask.exec(AbstractExecTask.java:54) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.doExecute(StandardTaskAction.java:46) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:780) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:747) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:121) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328) at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92) ... 29 more

Get more help at https://help.gradle.org

BUILD FAILED in 7s 15 actionable tasks: 1 executed, 14 up-to-date jampp-MacBook-Pro:BreakOut kllu$ ./gradlew installDebug --stacktrace

My build.gradle fie

apply plugin: 'com.android.application'
android {
    compileSdkVersion 24
    buildToolsVersion "27.0.3"
    defaultConfig {
        applicationId "com.example.bnn.breakout"
        minSdkVersion 15
        targetSdkVersion 22
        versionCode 1
        versionName "1.0"
        //testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

        sourceSets.main {
            jni.srcDirs = [] //disable automatic ndk-build call
            //jniLibs.srcDir "src/main/libs"
        }
        task ndkBuild(type: Exec, description: 'Compile JNI source via NDK') {
            commandLine "/Users/bnnk/Library/Android/sdk/ndk-bundle/ndk-build",
                    'NDK_PROJECT_PATH=build/intermediates/ndk',
                    'NDK_LIBS_OUT=src/main/jniLibs',
                    'APP_BUILD_SCRIPT=src/main/jni/Android.mk',
                    'NDK_APPLICATION_MK=src/main/jni/Application.mk'
        }
        tasks.withType(JavaCompile) {
            compileTask -> compileTask.dependsOn ndkBuild
        }

    buildTypes {
        debug {
            debuggable true
        }
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:24.2.1'
    implementation 'com.android.support:multidex:1.0.3'
    testImplementation 'junit:junit:4.12'
}

回答1:

I am afraid you use the deprecated way of building native libraries for your project. The new Android plugin (v. 3.1.2) uses externalNativeBuild. See the official instructions for upgrading.

In the nutshell, you need something like

android { 
    externalNativeBuild {
        ndkBuild {
            path "Android.mk"
        }
    }
}

in your module build.gradle.

For your file, the result could be as follows:

apply plugin: 'com.android.application'
android {
    compileSdkVersion 24
    buildToolsVersion "27.0.3"
    defaultConfig {
        applicationId "com.example.bnn.breakout"
        minSdkVersion 15
        targetSdkVersion 22
        versionCode 1
        versionName "1.0"
        //testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

    externalNativeBuild {
      ndkBuild {
        path 'src/main/jni/Android.mk'
      }
    }

    buildTypes {
        debug {
            debuggable true
        }
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:24.2.1'
    implementation 'com.android.support:multidex:1.0.3'
    testImplementation 'junit:junit:4.12'
}

Make sure your Android plugin is up to date, see https://stackoverflow.com/a/50953301/192373

来源：https://stackoverflow.com/questions/50952299/android-ndk-build

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