我刚刚开始学习Android的静态编程语言,我正在创建一个笔记应用程序只是为了学习的目的.我想使用Room来存储保存的笔记在我的数据库中,所以我正在检查developer.android教程和我们有一些必要的依赖项,我们必须添加在我们的build. gradle(模块)如developer.android.com所述https://developer.android.com/training/data-storage/room#kts但是当我添加这些依赖项时,我有一个错误,我无法弄清楚
找不到方法ksp()参数[androidx.room: room编译器:2.4.3]对类型org.gradle.api.内部.artifacts.dsl.依赖.DefaultDependencyHandler
我在kapt中遇到了类似的错误,但是我通过在build. gradle(模块)中添加必要的插件解决了这个问题。现在我正在从build.gradle中删除这个实现,并继续进行测试项目,但是任何帮助都将不胜感激,谢谢。
developer.android.com中提到的依赖项
dependencies {
val room_version = "2.4.3"
implementation("androidx.room:room-runtime:$room_version")
annotationProcessor("androidx.room:room-compiler:$room_version")
// To use Kotlin annotation processing tool (kapt)
kapt("androidx.room:room-compiler:$room_version")
// To use Kotlin Symbol Processing (KSP)
ksp("androidx.room:room-compiler:$room_version")
// optional - Kotlin Extensions and Coroutines support for Room
implementation("androidx.room:room-ktx:$room_version")
// optional - RxJava2 support for Room
implementation("androidx.room:room-rxjava2:$room_version")
// optional - RxJava3 support for Room
implementation("androidx.room:room-rxjava3:$room_version")
// optional - Guava support for Room, including Optional and ListenableFuture
implementation("androidx.room:room-guava:$room_version")
// optional - Test helpers
testImplementation("androidx.room:room-testing:$room_version")
// optional - Paging 3 Integration
implementation("androidx.room:room-paging:$room_version")
}
我的build. gradle(模块)
plugins {
id 'com.android.application'
id 'org.jetbrains.kotlin.android'
id 'kotlin-android'
id 'kotlin-kapt'
}
android {
namespace 'android.example.mynotes'
compileSdk 32
defaultConfig {
applicationId "android.example.mynotes"
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
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.7.0'
implementation 'androidx.appcompat:appcompat:1.5.1'
implementation 'com.google.android.material:material:1.7.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.5'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
def room_version = "2.4.3"
implementation "androidx.room:room-runtime:$room_version"
annotationProcessor "androidx.room:room-compiler:$room_version"
implementation "androidx.room:room-rxjava2:$room_version"
implementation "androidx.room:room-rxjava3:$room_version"
implementation "androidx.room:room-guava:$room_version"
testImplementation "androidx.room:room-testing:$room_version"
implementation("com.google.devtools.ksp:symbol-processing-api:1.8.0-1.0.8")
kapt "androidx.room:room-compiler:$room_version"
ksp("androidx.room:room-compiler:$room_version")
}
我的build. gradle(项目)
plugins {
id 'com.android.application' version '7.3.1' apply false
id 'com.android.library' version '7.3.1' apply false
id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
}
在项目中gradle.build文件将kotlin gradle插件升级到plugins{…}
块中的1.8.0。
// Project level build file
plugins {
...
id 'org.jetbrains.kotlin.android' version '1.8.0' apply false
}
在App(mudule)gradle.build文件中,您不需要设置kapt(),只需在依赖项{…}
块中添加ksp()
,并设置KSP插件
// App module build file
plugins{
...
id 'com.google.devtools.ksp' version '1.8.0-1.0.8'
}
dependencies {
...
// You don't need this
// kapt("androidx.room:room-compiler:$room_version")
ksp("androidx.room:room-compiler:$room_version")
...
}
确保你的kotlin gradle插件版本是1.8.0:
classpath'org. jetthels.kotlin:kotlin-gradle-plugin:1.8.0'
在应用级别gradle文件中添加开发
id'com.google. devtools.ksp'版本'1.8.0-1.0.8'
最后,构建您的项目。