代码之家  ›  专栏  ›  技术社区  ›  varunkr

无法解析符号AppCompatActivity

  •  1
  • varunkr  · 技术社区  · 7 年前

    虽然以前有人问过这个问题,但没有一个解决方案对我有效。

    问题是突然之间 Android Studio 开始抛出错误 Cannot resolve symbol AppCompatActivity

    Add library 'com.android.support:appcompat-v7:27.0.2' to classpath
    

    作为选择之一。

    尽管我的毕业典礼上有以下一直持续到今天的依赖性

    implementation 'com.android.support:appcompat-v7:27.1.1'
    

    到目前为止我已经试过了

    1. 正在从.idea文件夹中删除库文件夹并重新启动studio
    2. 从gradle中删除依赖项,与gradle同步并再次添加依赖项

    这些解决方案都不起作用,我无法理解问题所在。这已经浪费了大量的开发时间。有人能帮忙吗。谢谢

    编辑:添加依赖项

    dependencies {
        implementation project(':ratemyapp')
        implementation 'com.google.code.gson:gson:2.8.2'
        implementation 'com.mcxiaoke.volley:library:1.0.18'
    
        implementation 'com.android.support:multidex:1.0.3'
        implementation files('libs/gcm.jar')
    
        // Facebook SDK Core only (Analytics)
        implementation 'com.facebook.android:facebook-core:4.33.0'
    
        // Facebook Login only
        implementation 'com.facebook.android:facebook-login:4.33.0'
        implementation 'com.braintreepayments.api:braintree:2.14.2'
        implementation 'com.braintreepayments.api:drop-in:3.4.0'
    
        implementation 'com.android.support:support-v4:27.1.1'
        implementation 'com.android.support:customtabs:27.1.1'
        implementation 'com.android.support:animated-vector-drawable:27.1.1'
    
        /**
         * Google
         */
        implementation 'com.google.android.gms:strict-version-matcher-plugin:1.1.0'
        implementation 'com.google.android.gms:play-services-auth:16.0.1'
        implementation 'com.google.android.gms:play-services-base:16.0.1'
        implementation 'com.google.android.gms:play-services-maps:16.0.0'
        implementation 'com.google.android.gms:play-services-identity:16.0.0'
        implementation 'com.google.android.gms:play-services-location:16.0.0'
        implementation 'com.google.android.gms:play-services-places:16.0.0'
        implementation 'com.google.android.gms:play-services-nearby:16.0.0'
        implementation 'com.google.android.gms:play-services-gcm:16.0.0'
        implementation 'com.android.support:appcompat-v7:27.1.1'
        implementation 'com.android.support:mediarouter-v7:27.1.1'
        implementation 'com.google.android:flexbox:0.3.2'
    
        //compile files('libs/splunk-mint-4.2.1.jar')
        implementation 'com.android.support:design:27.1.1'
    
        // CardView
        implementation 'com.android.support:cardview-v7:27.1.1'
        implementation 'com.pixplicity.multiviewpager:library:1.0'
        implementation 'com.github.aakira:expandable-layout:1.4.1@aar'
        implementation 'me.everything:overscroll-decor-android:1.0.4'
        implementation 'org.apache.httpcomponents:httpmime:4.5.2'
        implementation 'commons-net:commons-net:3.3'
        implementation 'com.android.support:percent:27.1.1'
    
    
        /*For Request Server*/
        implementation 'com.squareup.okhttp3:logging-interceptor:3.9.1'
        implementation 'com.squareup.retrofit2:retrofit:2.3.0'
        implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
        implementation 'com.squareup.retrofit2:adapter-rxjava:2.3.0'
        implementation 'com.artemzin.rxjava:proguard-rules:1.1.6.0'
    
        /**
         * Animation.
         */
        implementation 'com.nineoldandroids:library:2.4.0'
        implementation 'com.daimajia.easing:library:1.0.1@aar'
        implementation 'com.daimajia.androidanimations:library:1.1.3@aar'
        implementation 'net.soulwolf.widget:ratiolayout:1.0.0'
        implementation 'com.jakewharton:butterknife:8.5.1'
        kapt 'com.jakewharton:butterknife-compiler:8.5.1'
    
        /**
         * Event Bus.
         */
        implementation 'org.greenrobot:eventbus:3.0.0'
        implementation 'com.wefika:flowlayout:0.4.1'
    
        /**
         * Ring capcha
         */
        implementation 'com.thrivecom:ringcaptcha:1.0.11@aar'
    
        /**
         * Zendesk
         */
        implementation 'com.zopim.android:sdk:1.3.7.1'
        implementation 'com.zendesk:support:2.0.0'
        implementation('com.twitter.sdk.android:twitter:3.3.0@aar') {
            transitive = true
        }
        implementation('com.crashlytics.sdk.android:crashlytics:2.9.3@aar') {
            transitive = true
        }
        implementation('io.fabric.sdk.android:fabric:1.3.12@aar') {
            transitive = true
        }
        implementation 'io.branch.sdk.android:library:2.5.9'
    
        implementation 'com.mixpanel.android:mixpanel-android:5.+'
        implementation 'com.yqritc:android-scalablevideoview:1.0.4'
        implementation 'com.android.support:cardview-v7:27.1.1'
        implementation 'com.android.support:recyclerview-v7:27.1.1'
        implementation 'com.google.dagger:dagger:2.12'
        kapt 'com.google.dagger:dagger-compiler:2.11'
        implementation 'com.google.dagger:dagger-android-support:2.11'
        implementation 'com.android.support.constraint:constraint-layout:1.1.3'
        kapt 'com.google.dagger:dagger-android-processor:2.11'
    
        // ViewModel and LiveData
        implementation 'android.arch.lifecycle:extensions:1.1.1'
        kapt "android.arch.lifecycle:compiler:1.1.1"
    
        // Room
        implementation 'android.arch.persistence.room:runtime:1.1.1'
        kapt "android.arch.persistence.room:compiler:1.1.1"
    
        // Paging
        implementation 'android.arch.paging:runtime:1.0.1'
        implementation 'com.jakewharton.timber:timber:4.6.0'
    
        // Test helpers for LiveData
        testImplementation 'android.arch.core:core-testing:1.1.1'
    
        // Test helpers for Room
        testImplementation 'android.arch.persistence.room:testing:1.1.1'
        implementation 'org.apache.commons:commons-lang3:3.6'
        implementation 'com.github.bumptech.glide:glide:4.5.0'
        kapt 'com.github.bumptech.glide:compiler:4.4.0'
        implementation 'com.github.rubensousa:gravitysnaphelper:1.5'
        implementation 'me.everything:overscroll-decor-android:1.0.4'
        implementation 'com.github.bumptech.glide:recyclerview-integration:4.4.0'
        implementation 'io.reactivex.rxjava2:rxjava:2.1.8'
        implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
        implementation 'android.arch.persistence.room:runtime:1.1.1'
        implementation 'android.arch.persistence.room:rxjava2:1.1.1'
        implementation 'android.arch.lifecycle:reactivestreams:1.1.1'
        implementation 'com.github.zcweng:switch-button:0.0.3@aar'
        implementation 'com.shuhart.bubblepagerindicator:bubblepagerindicator:1.0.6'
        implementation 'com.iarcuschin:simpleratingbar:0.1.5'
        implementation 'co.omise:omise-android:2.6.4'
        implementation 'com.airbnb.android:lottie:2.5.4'
        implementation 'com.adjust.sdk:adjust-android:4.13.0'
        implementation 'com.android.installreferrer:installreferrer:1.0'
        implementation 'io.card:android-sdk:5.5.1'
        testImplementation 'junit:junit:4.12'
        androidTestImplementation 'android.arch.persistence.room:testing:1.1.1'
        androidTestImplementation 'junit:junit:4.12'
        androidTestImplementation 'com.android.support.test:runner:1.0.2'
        androidTestImplementation 'com.android.support.test:rules:1.0.2'
        androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
        androidTestImplementation 'com.android.support.test.espresso:espresso-contrib:3.0.2'
        androidTestImplementation 'org.mockito:mockito-core:2.7.19'
        androidTestImplementation 'org.mockito:mockito-android:2.7.19'
        implementation 'net.cachapa.expandablelayout:expandablelayout:2.9.2'
        implementation project(':menu')
        implementation project(':base')
        implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    
        implementation 'com.google.firebase:firebase-perf:16.2.0'
        implementation 'com.google.firebase:firebase-core:16.0.4'
        implementation 'com.google.firebase:firebase-analytics:16.0.4'
        implementation 'com.google.firebase:firebase-appindexing:16.0.2'
        implementation 'com.google.firebase:firebase-messaging:17.3.4'
    
        implementation 'com.google.android.instantapps:instantapps:1.1.0'
    
        implementation 'com.romandanylyk:pageindicatorview:1.0.2'
        implementation 'com.airbnb.android:lottie:2.5.4'
        implementation 'me.grantland:autofittextview:0.2.+'
    
        //OTP
        implementation 'com.poovam:pin-edittext-field:1.1.2'
    
        implementation 'jp.wasabeef:glide-transformations:4.0.1'
    
    }
    

    // Top-level build file where you can add configuration options common to all sub-projects/modules.
    ext {
        compileSdkVersion = 27
        minSdkVersion = 16
        targetSdkVersion = 27
        zendeskSdkVersion = "2.0.0"
        appCompatVersion = "27.0.2"
    }
    
    buildscript {
        ext.kotlin_version = '1.2.71'
        repositories {
            google()
            jcenter()
            mavenCentral()
        }
        dependencies {
            classpath 'com.android.tools.build:gradle:3.2.1'
            classpath 'com.google.gms:google-services:4.2.0'
            classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
            classpath 'com.google.firebase:firebase-plugins:1.1.5'
        }
    }
    allprojects {
        repositories {
            google()
            mavenCentral()
            jcenter()
        }
    }
    

    尝试生成项目时记录日志

    org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':MyModule:kaptDebugKotlin'.
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:103)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:73)
        at org.gradle.api.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute(OutputDirectoryCreatingTaskExecuter.java:51)
        at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:59)
        at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
        at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:59)
        at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:101)
        at org.gradle.api.internal.tasks.execution.FinalizeInputFilePropertiesTaskExecuter.execute(FinalizeInputFilePropertiesTaskExecuter.java:44)
        at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:91)
        at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:62)
        at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:59)
        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$1.run(DefaultTaskGraphExecuter.java:256)
        at org.gradle.internal.progress.DefaultBuildOperationExecutor$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:249)
        at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:238)
        at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$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$1.execute(DefaultTaskPlanExecutor.java:98)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:663)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:597)
        at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$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$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
        at java.lang.Thread.run(Thread.java:745)
    Caused by: org.gradle.api.GradleException: Compilation error. See log for more details
        at org.jetbrains.kotlin.gradle.tasks.TasksUtilsKt.throwGradleExceptionIfError(tasksUtils.kt:16)
        at org.jetbrains.kotlin.gradle.internal.KaptWithKotlincTask.compile(KaptWithKotlincTask.kt:79)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
        at org.gradle.api.internal.project.taskfactory.StandardTaskAction.doExecute(StandardTaskAction.java:46)
        at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39)
        at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26)
        at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:788)
        at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:755)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:124)
        at org.gradle.internal.progress.DefaultBuildOperationExecutor$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:113)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:95)
        ... 33 more
    
    2 回复  |  直到 7 年前
        1
  •  1
  •   Radesh    7 年前

    首先检查这个答案 stackoverflow

    第二次更新您的版本将所有27.1.1更改为28.0.0也将更改

    compileSdkVersion = 28
    targetSdkVersion = 28
    

    您的代码中存在一些错误:

    1) 您的依赖项中有2个cardview

    2)

    ext {
        compileSdkVersion = 27
        minSdkVersion = 16
        targetSdkVersion = 27
        zendeskSdkVersion = "2.0.0"
        appCompatVersion = "27.0.2"
    }
    
        2
  •  0
  •   varunkr    7 年前

    感谢大家的帮助,但是我不得不卸载并重新安装 Android Studio

    推荐文章