我试图生成签名的apk但是当我在gradle中启用minify时我总是遇到这个错误..
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:transformClassesAndResourcesWithProguardForRelease'.
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$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: Job failed, see logs for details
at com.android.build.gradle.internal.transforms.ProGuardTransform.transform(ProGuardTransform.java:196)
at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:221)
at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:217)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:102)
at com.android.build.gradle.internal.pipeline.TransformTask.transform(TransformTask.java:212)
at sun.reflect.GeneratedMethodAccessor302.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.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.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)
... 32 more
Caused by: java.io.IOException: Please correct the above warnings first.
at proguard.Initializer.execute(Initializer.java:473)
at proguard.ProGuard.initialize(ProGuard.java:233)
at proguard.ProGuard.execute(ProGuard.java:98)
at com.android.build.gradle.internal.transforms.BaseProguardAction.runProguard(BaseProguardAction.java:61)
at com.android.build.gradle.internal.transforms.ProGuardTransform.doMinification(ProGuardTransform.java:253)
at com.android.build.gradle.internal.transforms.ProGuardTransform.access$000(ProGuardTransform.java:63)
at com.android.build.gradle.internal.transforms.ProGuardTransform$1.run(ProGuardTransform.java:173)
at com.android.builder.tasks.Job.runTask(Job.java:47)
at com.android.build.gradle.tasks.SimpleWorkQueue$EmptyThreadContext.runTask(SimpleWorkQueue.java:41)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:282)
... 1 more
这是我的gradle文件
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "com.xxx.xxxxx"
minSdkVersion 19
targetSdkVersion 26
versionCode 4
versionName "4.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
debug {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
release {
zipAlignEnabled true
minifyEnabled true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.android.support:support-v4:26.1.0'
implementation 'com.google.firebase:firebase-core:15.0.0'
implementation 'com.google.code.gson:gson:2.8.0'
implementation 'com.google.android.gms:play-services-ads:15.0.0'
androidTestImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
implementation 'com.android.support:design:26.1.0'
}
一些参考文献告诉我使用外部库可能有问题，我试图找到哪个库但仍然无法解决这个问题。 我将我的AS升级到3.1但仍然无法解决.. 我更新了我的sdk，但仍出现同样的错误.. 但是当我在gradle文件中禁用minify时我没有收到此错误
我在这里错过了什么吗？添加java编译器错误消息
org.junit.experimental.results.ResultMatchers$1: can't find superclass or interface org.hamcrest.TypeSafeMatcher
org.junit.experimental.results.ResultMatchers$2: can't find superclass or interface org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$3: can't find superclass or interface org.hamcrest.BaseMatcher
org.junit.internal.AssumptionViolatedException: can't find superclass or interface org.hamcrest.SelfDescribing
org.junit.internal.matchers.StacktracePrintingMatcher: can't find superclass or interface org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find superclass or interface org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find superclass or interface org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.TypeSafeMatcher: can't find superclass or interface org.hamcrest.BaseMatcher
library class android.test.AndroidTestCase extends or implements program class junit.framework.TestCase
library class android.test.AndroidTestRunner extends or implements program class junit.runner.BaseTestRunner
library class android.test.InstrumentationTestCase extends or implements program class junit.framework.TestCase
library class android.test.InstrumentationTestSuite extends or implements program class junit.framework.TestSuite
library class android.test.suitebuilder.TestSuiteBuilder$FailedToCreateTests extends or implements program class junit.framework.TestCase
org.junit.Assert: can't find referenced class org.hamcrest.MatcherAssert
org.junit.Assert: can't find referenced class org.hamcrest.Matcher
org.junit.Assume: can't find referenced class org.hamcrest.CoreMatchers
org.junit.Assume: can't find referenced class org.hamcrest.Matcher
org.junit.Assume: can't find referenced class org.hamcrest.CoreMatchers
org.junit.Assume: can't find referenced class org.hamcrest.Matcher
org.junit.AssumptionViolatedException: can't find referenced class org.hamcrest.Matcher
org.junit.experimental.results.ResultMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.experimental.results.ResultMatchers$1: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.experimental.results.ResultMatchers$1: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$1: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.experimental.results.ResultMatchers$1: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$1: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.Matcher
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.Matcher
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$2: can't find referenced class org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$3: can't find referenced class org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$3: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$3: can't find referenced class org.hamcrest.BaseMatcher
org.junit.experimental.results.ResultMatchers$3: can't find referenced class org.hamcrest.Description
org.junit.experimental.results.ResultMatchers$3: can't find referenced class org.hamcrest.BaseMatcher
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.StringDescription
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.Description
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.SelfDescribing
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.StringDescription
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.Description
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.Matcher
org.junit.internal.AssumptionViolatedException: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Factory
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Factory
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.StacktracePrintingMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Factory
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableCauseMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Matcher
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Factory
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.Description
org.junit.internal.matchers.ThrowableMessageMatcher: can't find referenced class org.hamcrest.TypeSafeMatcher
org.junit.internal.matchers.TypeSafeMatcher: can't find referenced class org.hamcrest.BaseMatcher
org.junit.internal.runners.statements.FailOnTimeout: can't find referenced class java.lang.management.ManagementFactory
org.junit.internal.runners.statements.FailOnTimeout: can't find referenced class java.lang.management.ThreadMXBean
org.junit.internal.runners.statements.FailOnTimeout: can't find referenced class java.lang.management.ManagementFactory
org.junit.internal.runners.statements.FailOnTimeout: can't find referenced class java.lang.management.ThreadMXBean
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.CoreMatchers
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableBothMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableEitherMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.CoreMatchers
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableBothMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableBothMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableEitherMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.core.CombinableMatcher$CombinableEitherMatcher
org.junit.matchers.JUnitMatchers: can't find referenced class org.hamcrest.Matcher
org.junit.rules.DisableOnDebug: can't find referenced class java.lang.management.ManagementFactory
org.junit.rules.DisableOnDebug: can't find referenced class java.lang.management.RuntimeMXBean
org.junit.rules.DisableOnDebug: can't find referenced class java.lang.management.ManagementFactory
org.junit.rules.DisableOnDebug: can't find referenced class java.lang.management.RuntimeMXBean
org.junit.rules.ErrorCollector: can't find referenced class org.hamcrest.Matcher
org.junit.rules.ErrorCollector$1: can't find referenced class org.hamcrest.Matcher
org.junit.rules.ExpectedException: can't find referenced class org.hamcrest.CoreMatchers
org.junit.rules.ExpectedException: can't find referenced class org.hamcrest.StringDescription
org.junit.rules.ExpectedException: can't find referenced class org.hamcrest.CoreMatchers
org.junit.rules.ExpectedException: can't find referenced class org.hamcrest.StringDescription
org.junit.rules.ExpectedException: can't find referenced class org.hamcrest.Matcher
org.junit.rules.ExpectedExceptionMatcherBuilder: can't find referenced class org.hamcrest.Matcher
org.junit.rules.ExpectedExceptionMatcherBuilder: can't find referenced class org.hamcrest.CoreMatchers
org.junit.rules.ExpectedExceptionMatcherBuilder: can't find referenced class org.hamcrest.Matcher
there were 308 unresolved references to classes or interfaces.
there were 5 instances of library classes depending on program classes.
Exception while processing task java.io.IOException: Please correct the above warnings first.