我在扩展 BottomSheetDialogFragment 的整个类中遇到错误
Cannot access 'androidx.lifecycle.HasDefaultViewModelProviderFactory' which is a supertype of 'FavoriteBottomDialogFragment'. Check your module classpath for missing or conflicting dependencies
该类在 app 模块中,该模块实现了另外两个模块:core 和presentation-core
构建.gradle
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation project (':core')
implementation project (':presentation-core')
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41"
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.core:core-ktx:1.2.0'
testImplementation 'junit:junit:4.12'
implementation "com.google.android.material:material:1.1.0"
//Rx
implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
implementation "io.reactivex.rxjava2:rxjava:2.2.9"
//Architecture component
implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
implementation 'androidx.room:room-runtime:2.0.0'
kapt 'androidx.room:room-compiler:2.0.0'
kapt 'androidx.lifecycle:lifecycle-common-java8:2.0.0'
implementation 'androidx.room:room-rxjava2:2.0.0'
implementation 'androidx.room:room-guava:2.0.0'
implementation 'androidx.recyclerview:recyclerview:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
}
核心依赖
dependencies {
api fileTree(dir: 'libs', include: ['*.jar'])
api "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.61"
api "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.4"
api 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.3.2'
//library to serialize Java Objects between Contexts
implementation 'org.parceler:parceler-api:1.1.11'
kapt 'org.parceler:parceler:1.1.11'
//testing dependencies
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
testImplementation "org.mockito:mockito-core:2.24.5"
androidTestImplementation "org.mockito:mockito-android:2.24.5"
//architecture component
implementation "androidx.lifecycle:lifecycle-extensions:2.0.0"
implementation "androidx.lifecycle:lifecycle-livedata:2.0.0"
//RxJava2
implementation "io.reactivex.rxjava2:rxjava:2.2.9"
implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
}
演示核心
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.61"
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.core:core-ktx:1.0.2'
}
BottomSheetDialogFragment
即使出现错误,我也可以在设备中运行项目
最佳答案
我今天遇到了同样的问题,并且能够解决。
原来问题是 androidx.lifecycle:lifecycle-viewmodel
的预期版本之间的版本不匹配由“失败”类所在的模块和其他一些相关代码中的更高版本使用。
因此,就我而言,我的模块使用的是该模块的 2.1.0 版本,但其中一个依赖项使用的是 2.2.0 版本。代码编译不会有问题,因为 gradle 将依赖解析为最新版本;然而,Android Studio 不知何故被这种情况弄糊涂了(并非总是如此,因为这种情况并非一直发生,但有时——这不是我第一次看到这种情况。)
因此解决方案是:找出这个库的最新版本在你的应用程序中并更新你的build.gradle
。让这个模块指向 gradle 正在解析的相同版本。或者:
gradlew app:dependencies
lifecycle-viewmodel
的结果build.gradle
在您的应用程序中依赖 lifecycle-viewmodel
gradle 说它正在解析为 关于android - 无法访问 'androidx.lifecycle.HasDefaultViewModelProviderFactory' ,它是 'FavoriteBottomDialogFragment' 的父类(super class)型。检查你的模块分类,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/62285843/