错误：未能解析：com.android.support:appcompat-v7:28.0.0

我不知道为什么安卓一直这样对我。当我将gradle类路径更改为3.3.2时，我遇到了以下问题：

如果将其更改为3.2.1，则会出现以下错误：

我尽力了，有人能帮我吗

这是我的项目构建。格雷德尔

buildscript {
ext {
    buildToolsVersion = "28.0.2"
    minSdkVersion = 21
    compileSdkVersion = 28
    targetSdkVersion = 28
    supportLibVersion = "28.0.0"
}
repositories {
    google()
    jcenter()
}
dependencies {
    classpath 'com.android.tools.build:gradle:3.2.1'
}
}
allprojects {
    repositories {
        google()
        jcenter()
//      mavenLocal()
//      mavenCentral()

        maven {
            url "$rootDir/../node_modules/react-native/android"
        }
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '4.10.1'
    distributionUrl = distributionUrl.replace("bin", "all")
}

apply plugin: "com.android.application"
import com.android.build.OutputFile

def enableSeparateBuildPerCPUArchitecture = false

def enableProguardInReleaseBuilds = false

android {
    compileSdkVersion rootProject.ext.compileSdkVersion
    buildToolsVersion rootProject.ext.buildToolsVersion

    defaultConfig {
        applicationId "com.newproject2"
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
        versionName "1.0"
    }
    splits {
        abi {
            reset()
            enable enableSeparateBuildPerCPUArchitecture
            universalApk false  
            include "armeabi-v7a", "x86", "arm64-v8a"
        }
    }
    buildTypes {
        release {
            minifyEnabled enableProguardInReleaseBuilds
            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
        }
    }

    applicationVariants.all { variant ->
        variant.outputs.each { output ->
            def versionCodes = ["armeabi-v7a":1, "x86":2, "arm64-v8a": 3]
            def abi = output.getFilter(OutputFile.ABI)
            if (abi != null) {
                output.versionCodeOverride =
                        versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
            }
        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
    implementation "com.facebook.react:react-native:+"  
}

task copyDownloadableDepsToLibs(type: Copy) {
    from configurations.compile
    into 'libs'
}

这是我的应用程序build.gradle

buildscript {
ext {
    buildToolsVersion = "28.0.2"
    minSdkVersion = 21
    compileSdkVersion = 28
    targetSdkVersion = 28
    supportLibVersion = "28.0.0"
}
repositories {
    google()
    jcenter()
}
dependencies {
    classpath 'com.android.tools.build:gradle:3.2.1'
}
}
allprojects {
    repositories {
        google()
        jcenter()
//      mavenLocal()
//      mavenCentral()

        maven {
            url "$rootDir/../node_modules/react-native/android"
        }
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '4.10.1'
    distributionUrl = distributionUrl.replace("bin", "all")
}

apply plugin: "com.android.application"
import com.android.build.OutputFile

def enableSeparateBuildPerCPUArchitecture = false

def enableProguardInReleaseBuilds = false

android {
    compileSdkVersion rootProject.ext.compileSdkVersion
    buildToolsVersion rootProject.ext.buildToolsVersion

    defaultConfig {
        applicationId "com.newproject2"
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
        versionName "1.0"
    }
    splits {
        abi {
            reset()
            enable enableSeparateBuildPerCPUArchitecture
            universalApk false  
            include "armeabi-v7a", "x86", "arm64-v8a"
        }
    }
    buildTypes {
        release {
            minifyEnabled enableProguardInReleaseBuilds
            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
        }
    }

    applicationVariants.all { variant ->
        variant.outputs.each { output ->
            def versionCodes = ["armeabi-v7a":1, "x86":2, "arm64-v8a": 3]
            def abi = output.getFilter(OutputFile.ABI)
            if (abi != null) {
                output.versionCodeOverride =
                        versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
            }
        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
    implementation "com.facebook.react:react-native:+"  
}

task copyDownloadableDepsToLibs(type: Copy) {
    from configurations.compile
    into 'libs'
}

---

我尝试过react原生版本0.59、0.58和0.57，我确信这是gradle的问题

尝试在“文件->无效缓存/重新启动”上无效缓存

将此添加到Build.gradle（项目）

}

在

---

它指出，如果您使用的gradle版本低于4.1，则必须将其添加到build.gradle文件中

您是否在应用程序build.gradle中尝试了

ext.version=[supportLibVersion:“28.0.0”]

，并像

“com.android.support:appcompat-v7:${version.supportLibVersion}

已经存在？在project build.gradle buildscript中，我在我的应用build.gradle中导入了ext，它使用supportLibVersion:“28.0.0”，但是我直接使用了28.0.0，比如

com.android.support:appcompat-v7:28.0.0

，但它没有work@molood在你改变你的gradle类路径之前它工作了吗？不，它没有工作all@molood尝试打开Sdk管理器->Sdk工具->确保安装了Android支持存储库47.0.0，但未正常工作，我甚至更改了jcenter（）和

maven{url'的位置https://maven.google.com/'name'Google'}

或者我也在我的buildscript的存储库中添加了它，但它仍然不起作用