我在Android Studio 3.0中遇到问题。我正在使用Windows 7-64位。
每当我想在手机上启动我的应用程序时，它就会崩溃。因此，当我用Google搜索它时，我发现可能存在版本不匹配的情况，因此我对build.gradle文件进行了一些更改。进行更改并进行一些调试后，我无法解决此错误。
错误：无法解决：com.android
以下是我的MyProject/app/build.gradle文件：
apply plugin: 'com.android.application'
allprojects {
repositories {
jcenter()
google()
}
}
android {
compileSdkVersion 26
buildToolsVersion "26.0.2"
defaultConfig {
applicationId "com.planner.reemshams.projectplannerpro"
minSdkVersion 17
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7-26+'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.android.support:recyclerview-v7-24+'
compile 'com.android.support:cardview-v7-26+'
testCompile 'junit:junit:4.12'
implementation 'com.android.support:design-v7-26+'
}
编辑：尝试构建/运行应用程序时，在
Messages选项卡上获得了以下内容。Error:Could not resolve all files for configuration ':app:debugCompileClasspath'.
> Could not find com.android.support:appcompat-v7-26+:.
Searched in the following locations:
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
https://jcenter.bintray.com/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
https://jcenter.bintray.com/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
https://dl.google.com/dl/android/maven2/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.pom
https://dl.google.com/dl/android/maven2/com/android/support/appcompat-v7-26+//appcompat-v7-26+-.jar
Required by:
project :app
> Could not find com.android.support:recyclerview-v7-24+:.
Searched in the following locations:
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
https://jcenter.bintray.com/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
https://jcenter.bintray.com/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
https://dl.google.com/dl/android/maven2/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.pom
https://dl.google.com/dl/android/maven2/com/android/support/recyclerview-v7-24+//recyclerview-v7-24+-.jar
Required by:
project :app
> Could not find com.android.support:cardview-v7-26+:.
Searched in the following locations:
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
https://jcenter.bintray.com/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
https://jcenter.bintray.com/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
https://dl.google.com/dl/android/maven2/com/android/support/cardview-v7-26+//cardview-v7-26+-.pom
https://dl.google.com/dl/android/maven2/com/android/support/cardview-v7-26+//cardview-v7-26+-.jar
Required by:
project :app
> Could not find com.android.support:design-v7-26+:.
Searched in the following locations:
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/design-v7-26+//design-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/m2repository/com/android/support/design-v7-26+//design-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/design-v7-26+//design-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/design-v7-26+//design-v7-26+-.jar
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/design-v7-26+//design-v7-26+-.pom
file:/C:/Users/WinDows7/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/design-v7-26+//design-v7-26+-.jar
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/design-v7-26+//design-v7-26+-.pom
file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/android/support/design-v7-26+//design-v7-26+-.jar
https://jcenter.bintray.com/com/android/support/design-v7-26+//design-v7-26+-.pom
https://jcenter.bintray.com/com/android/support/design-v7-26+//design-v7-26+-.jar
https://dl.google.com/dl/android/maven2/com/android/support/design-v7-26+//design-v7-26+-.pom
https://dl.google.com/dl/android/maven2/com/android/support/design-v7-26+//design-v7-26+-.jar
Required by:
project :app
最佳答案
您不应使用以26+或24+结尾的库。您应该指定您的版本。试试这个代码，它可以正常工作（我已经测试过）
apply plugin: 'com.android.application'
allprojects {
repositories {
jcenter()
google()
}
}
android {
compileSdkVersion 26
buildToolsVersion "26.0.2"
defaultConfig {
applicationId "com.planner.reemshams.projectplannerpro"
minSdkVersion 17
targetSdkVersion 26
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')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
implementation 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.android.support:recyclerview-v7:26.1.0'
implementation 'com.android.support:cardview-v7:26.1.0'
}