Java 无法添加依赖项:未能解析:androidx。生命周期:生命周期扩展:2.2.0-rc2
我试图给我的Android项目添加一些依赖项,但仍然会遇到一些奇怪的错误。 我正在尝试添加我在CodeLabs上找到的推荐依赖项,但它不允许我成功同步gradle文件 持续显示的错误如下:错误:未能解决:androidx。生命周期:生命周期扩展:2.2.0-rc2 代码:内部渐变模块Java 无法添加依赖项:未能解析:androidx。生命周期:生命周期扩展:2.2.0-rc2,java,android,gradle,Java,Android,Gradle,我试图给我的Android项目添加一些依赖项,但仍然会遇到一些奇怪的错误。 我正在尝试添加我在CodeLabs上找到的推荐依赖项,但它不允许我成功同步gradle文件 持续显示的错误如下:错误:未能解决:androidx。生命周期:生命周期扩展:2.2.0-rc2 代码:内部渐变模块 // Room components implementation "androidx.room:room-runtime:$rootProject.roomVersion" annotatio
// Room components
implementation "androidx.room:room-runtime:$rootProject.roomVersion"
annotationProcessor "androidx.room:room-compiler:$rootProject.roomVersion"
androidTestImplementation "androidx.room:room-testing:$rootProject.roomVersion"
// Lifecycle components
implementation "androidx.lifecycle:lifecycle-extensions:$rootProject.archLifecycleVersion"
annotationProcessor "androidx.lifecycle:lifecycle-compiler:$rootProject.archLifecycleVersion"
// UI
implementation "com.google.android.material:material:$rootProject.materialVersion"
// Testing
androidTestImplementation "androidx.arch.core:core-testing:$rootProject.coreTestingVersion"
gradle项目中的文本:
ext {
roomVersion = '2.2.1'
archLifecycleVersion = '2.2.0-rc2'
coreTestingVersion = '2.1.0'
materialVersion = '1.0.0'
}
这也是我有时会遇到的一个错误,它是随机出现的
ERROR: Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91
is also present at [androidx.core:core:1.1.0] AndroidManifest.xml:24:18-86 value=(androidx.core.app.CoreComponentFactory).
Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:11:5-28:19 to override.
错误:清单合并失败:属性application@appComponentFactory值=(android.support.v4.app.CoreComponentFactory)来自[com.android.support:support compat:28.0.0]AndroidManifest.xml:22:18-91
也出现在[androidx.core:core:1.1.0]AndroidManifest.xml:24:18-86 value=(androidx.core.app.CoreComponentFactory)中。
建议:在AndroidManifest.xml:11:5-28:19处的元素中添加“tools:replace=“android:appComponentFactory””以覆盖。
错误日志字面上说没有androidx.lifecycle:lifecycle extensions版本
将
archLifecycleVersion='2.2.0-rc2'
更改为archLifecycleVersion='2.2.0-rc02'
,以修复该错误。生命周期扩展中的API已被弃用。相反,为您需要的特定生命周期工件添加依赖项
dependencies {
def lifecycle_version = "2.2.0"
def arch_version = "2.1.0"
// ViewModel
implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
// LiveData
implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
// Lifecycles only (without ViewModel or LiveData)
implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
// Saved state module for ViewModel
implementation "androidx.lifecycle:lifecycle-viewmodel-savedstate:$lifecycle_version"
// Annotation processor
kapt "androidx.lifecycle:lifecycle-compiler:$lifecycle_version"
// alternately - if using Java8, use the following instead of lifecycle-compiler
implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
// optional - helpers for implementing LifecycleOwner in a Service
implementation "androidx.lifecycle:lifecycle-service:$lifecycle_version"
// optional - ProcessLifecycleOwner provides a lifecycle for the whole application process
implementation "androidx.lifecycle:lifecycle-process:$lifecycle_version"
// optional - ReactiveStreams support for LiveData
implementation "androidx.lifecycle:lifecycle-reactivestreams-ktx:$lifecycle_version"
// optional - Test helpers for LiveData
testImplementation "androidx.arch.core:core-testing:$arch_version"
}