ionic3 打包錯誤解決：Could not resolve all files for configuration ':classpath'.

問題：IONIC打包時報錯，ionic cordova build android --debug

 

將下面目錄文件的 mavenCentral()、jcenter() 

platforms/android/build.gradle
platforms/android/app/build.gradle
platforms/android/CordovaLib/build.gradle 

改為下面內容，隨后再重新執行 ionic cordova build android --debug 即可：

maven { 
    url "https://maven.google.com" 
}
jcenter { 
    url "http://jcenter.bintray.com/"
}

若還是失敗，先根據AS提示升級更新，再重新執行上述過程；

 

參考：https://forum.ionicframework.com/t/build-fails-on-android-could-not-resolve-all-files-for-configuration/119024