Android Studio无法解析com.smarteist.autoimageslider.SliderView类求助

问题背景 #

尝试使用com.github.smarteist:autoimageslider:1.4.0库时，同步项目后在布局中引用com.smarteist.autoimageslider.SliderView出现无法解析的错误。复现步骤：

• 在build.gradle(:app)添加依赖implementation 'com.github.smarteist:autoimageslider:1.4.0'；
• 在Project的build.gradle添加jcenter()、maven { url 'https://jitpack.io' }；
• 同步项目；
• 在CoordinatorLayout内添加SliderView示例代码；
• 收到错误提示：Cannot resolve class com.smarteist.autoimageslider.SliderView。

项目环境：compileSdk 32，minSdk 21，新建项目重复操作后问题依旧。

现有配置代码 #

Project级build.gradle #

buildscript {
    repositories {
        google()
        mavenCentral()
        maven { url 'https://jitpack.io' }
    }
    dependencies {
        classpath 'com.google.gms:google-services:4.3.14'
    }
}
plugins {
    id 'com.android.application' version '7.2.1' apply false
    id 'com.android.library' version '7.2.1' apply false
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

App级build.gradle #

plugins {
    id 'com.android.application'
    id 'com.google.gms.google-services'
}

android {
    compileSdk 32

    defaultConfig {
        applicationId "com.socialtravel"
        minSdk 21
        targetSdk 32
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    buildFeatures {
        viewBinding true
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.5.1'
    implementation 'com.google.android.material:material:1.7.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    implementation 'com.google.android.material:material:1.7.0'
    implementation 'androidx.annotation:annotation:1.5.0'
    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
    implementation 'io.github.florent37:shapeofview:1.4.7'
    implementation 'de.hdodenhof:circleimageview:3.1.0'
    implementation platform('com.google.firebase:firebase-bom:30.2.0')
    implementation 'com.google.firebase:firebase-analytics'
    implementation 'com.google.firebase:firebase-auth'
    implementation 'com.google.firebase:firebase-firestore'
    implementation 'com.google.android.gms:play-services-auth:20.4.0'
    implementation 'androidx.coordinatorlayout:coordinatorlayout:1.2.0'
    implementation 'com.google.firebase:firebase-storage:20.1.0'
    implementation('id.zelory:compressor:2.1.0') {
        exclude module: 'unspecified'
    }
    implementation 'com.squareup.picasso:picasso:2.5.2'
    implementation 'com.firebaseui:firebase-ui-firestore:8.0.2'
    implementation 'com.github.d-max:spots-dialog:1.1@aar'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.4'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
    implementation 'com.github.smarteist:Android-Image-Slider:1.4.0'
} 

Activity布局文件 #

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".activities.PostDetailActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <com.smarteist.autoimageslider.SliderView
            android:id="@+id/imageSlider"
            android:layout_width="match_parent"
            android:layout_height="300dp"
            app:sliderAnimationDuration="600"
            app:sliderAutoCycleDirection="back_and_forth"
            app:sliderAutoCycleEnabled="true"
            app:sliderIndicatorAnimationDuration="600"
            app:sliderIndicatorGravity="center_horizontal|bottom"
            app:sliderIndicatorMargin="15dp"
            app:sliderIndicatorOrientation="horizontal"
            app:sliderIndicatorPadding="3dp"
            app:sliderIndicatorRadius="2dp"
            app:sliderIndicatorSelectedColor="#5A5A5A"
            app:sliderIndicatorUnselectedColor="#FFF"
            app:sliderScrollTimeInSec="1"
            app:sliderStartAutoCycle="true" />


    </LinearLayout>

</androidx.coordinatorlayout.widget.CoordinatorLayout>

问题原因及解决步骤 #

1. 依赖坐标不匹配：你在app级build.gradle中实际添加的依赖是com.github.smarteist:Android-Image-Slider:1.4.0，但目标库的正确坐标是com.github.smarteist:autoimageslider:1.4.0，两者不一致导致无法拉取正确的库文件。
2. 仓库配置位置错误：Android Gradle Plugin 7.0+版本中，项目依赖的仓库需要配置在settings.gradle中，而非Project级的build.gradle，原配置的仓库仅作用于构建脚本，无法用于拉取项目依赖。

具体修复操作 #

• 修正app级build.gradle的依赖
  将依赖替换为正确坐标：

  implementation 'com.github.smarteist:autoimageslider:1.4.0'
  

• 配置settings.gradle的仓库
  打开settings.gradle，在dependencyResolutionManagement的repositories块中添加所需仓库：

  dependencyResolutionManagement {
      repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
      repositories {
          google()
          mavenCentral()
          jcenter()
          maven { url 'https://jitpack.io' }
      }
  }
  rootProject.name = "YourProjectName"
  include ':app'
  

• 清理缓存并同步项目
  点击Android Studio的Sync Project with Gradle Files按钮，之后执行Build > Clean Project和Build > Rebuild Project，确保旧缓存被清除并重新构建。

验证 #

完成上述操作后，布局中的com.smarteist.autoimageslider.SliderView应能被正常解析，项目可正常编译运行。

内容的提问来源于stack exchange，提问作者Sionach