我已经成功配置了android-P SDK环境。当我尝试使用android设计支持库时,我遇到项目构建错误。项目配置为:

IDE:3.2 Canary 17目标API:28编译API:28

apply plugin: 'com.android.application'

apply plugin: 'kotlin-android'

apply plugin: 'kotlin-android-extensions'

android {

compileSdkVersion 28

defaultConfig {

applicationId "com.app.navigationpoc"

minSdkVersion 21

targetSdkVersion 28

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

}

}

dependencies {

implementation fileTree(include: ['*.jar'], dir: 'libs')

implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

implementation 'androidx.appcompat:appcompat:1.0.0-alpha3'

implementation 'androidx.constraintlayout:constraintlayout:1.1.1'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'androidx.test:runner:1.1.0-alpha3'

androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha3'

implementation 'com.android.support:design:28.0.0-alpha3'

implementation 'com.android.support:cardview-v7:28.0.0-alpha3'

}

而构建失败的错误是:

清单合并失败:[com.android]中还存在[androidx.core:core:1.0.0-alpha3]中的属性application @ appComponentFactory value =(androidx.core.app.CoreComponentFactory) .support:support-compat:28.0.0-alpha3] AndroidManifest.xml:22:18-91 value =(android.support.v4.app.CoreComponentFactory)。建议:在AndroidManifest.xml:6:5-40:19的元素上添加'tools:replace =“ android:appComponentFactory”'以进行覆盖。

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