错误：无法找到com.android.tools.build:gradle:2.2.3

Question

Error:Could not find com.android.tools.build:gradle:2.2.3. 
Searched in the following locations: 
    https://repo1.maven.org/maven2/com/android/tools/build/gradle/2.2.3/gradle-2.2.3.pom 
    https://repo1.maven.org/maven2/com/android/tools/build/gradle/2.2.3/gradle-2.2.3.jar 
Required by: 
    cap.libraries:opencv:unspecified 

Answer 1

试试这个答案 替换此：-classpath 'com.android.tools.build:gradle:2.3.0'