出現這個錯誤一般是在高版本的AndroidStudio裡導入舊版本的gradle項目,需要:
1. 打開build.gradle(Project :)檔案,修改classpath為(如果不知道應該修改為多少,請建立一個項目,參考建立項目裡的classpath):
- 打開gradle/wrapper/gradle-wrapper.properties檔案,修改distributionUrl為
或本地相關distribution,然後重試。遇到下載下傳很慢的情況,請手動下載下傳相關distribution,複制到如下目錄即可。
C:\Users\Jason\.gradle\wrapper\dists\gradle-3.3-all\對應檔案夾\
如遇到類似如下錯誤:
Error:Execution failed for task ':transformResourcesWithMergeJavaResForDebug'.
> com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/LICENSE
File1: C:\AppsBackup\libs\jackson-annotations-2.4.0.jar
File2: C:\AppsBackup\libs\jackson-core-2.4.0.jar
File3: C:\AppsBackup\libs\jackson-databind-2.4.0.jar
則在gradle檔案的android節點下添加如下資訊:
packagingOptions {
exclude 'META-INF/DEPENDENCIES.txt'
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/LICENSE'
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/notice.txt'
exclude 'META-INF/license.txt'
exclude 'META-INF/dependencies.txt'
exclude 'META-INF/LGPL2.1'
}