我正在尝试将gradle 28 SDK升级到29，但它向我显示此错误

时间：2019-08-07 12:28:13

标签： android

升级gradle我的sdk为28时显示给我的错误，但我想升级为9+ andriod版本，不支持。

>ERROR: Failed to resolve: com.android.support:appcompat-v7:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:design:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:cardview-v7:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:palette-v7:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:recyclerview-v7:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:support-annotations:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:exifinterface:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:support-v4:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:customtabs:28
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:appcompat-v7:29.0.1
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:design:29.0.1
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:cardview-v7:29.0.1
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:palette-v7:29.0.1
Show in Project Structure dialog
Affected Modules: app


>ERROR: Failed to resolve: com.android.support:recyclerview-v7:29.0.1

Show in Project Structure dialog
Affected Modules: app

Gradle 

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    testImplementation 'junit:junit:4.13-beta-3'
    implementation 'com.android.support:appcompat-v7:29.0.1'
    implementation 'com.android.support:design:29.0.1'
    implementation 'com.android.support:cardview-v7:29.0.1'
    implementation 'com.android.support:palette-v7:29.0.1'
    implementation 'com.android.support:recyclerview-v7:29.0.1'
    implementation 'com.balysv:material-ripple:1.0.2'
    implementation 'com.squareup.picasso:picasso:2.71828'
    implementation 'com.onesignal:OneSignal:3.11.2'
    implementation 'com.google.android.gms:play-services-ads:18.1.1'
    implementation 'com.google.firebase:firebase-core:17.0.1'
    implementation 'com.google.firebase:firebase-messaging:19.0.1'
    implementation 'com.google.android.ads.consent:consent-library:1.0.7'
}


android {
    compileSdkVersion 29
    buildToolsVersion "29.0.1"
    defaultConfig {


        minSdkVersion 16
        targetSdkVersion 29
        versionCode 1
        versionName "1.1"
        testInstrumentationRunner
        "android.support.test.runner.AndroidJUnitRunner"
    }

错误

>Failed to resolve: com.android.support:appcompat-v7:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:design:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:cardview-v7:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:palette-v7:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:recyclerview-v7:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:support-annotations:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:exifinterface:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:support-v4:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:customtabs:28
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:appcompat-v7:29.0.1
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:design:29.0.1
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:cardview-v7:29.0.1
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:palette-v7:29.0.1
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a> 
    Failed to resolve: com.android.support:recyclerview-v7:29.0.1
    <a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
    Affected Modules: <a href="openFile:E:/Software house/APPS/Building Apps/App 3 YourRecipesApp Online/App Model/Recipes Master/app/build.gradle">app</a>

2 个答案:

答案 0 :(得分：1)

在Android Studio中，转到Refactor->Migrate to AndroidX...

答案 1 :(得分：1)

以下工件不存在：

Alamofire.request("https://api.trackingmore.com/v2/trackings/post", method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: headers)
            .responseJSON { response in
                print(response)
        }

如您所见，here的最新支持库版本为implementation 'com.android.support:appcompat-v7:29.0.1' implementation 'com.android.support:design:29.0.1' implementation 'com.android.support:cardview-v7:29.0.1' implementation 'com.android.support:palette-v7:29.0.1' implementation 'com.android.support:recyclerview-v7:29.0.1' ：

将28.0.0和compileSdkVersion更新为API 29，但将支持库的版本保持为buildToolsVersion。

但是，正如您所看到的，支持库现在冻结在版本28中。因此，它已经过时了。因此，另一种选择是将项目迁移到28.0.0。基本上，它是一个支持库，带有一个新名称（用非常简单的词表示）。

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