具体错误：
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
> A problem occurred configuring project ':uvccamerasdk'.
> Failed to notify project evaluation listener.
> org.gradle.api.tasks.compile.CompileOptions.setBootClasspath(Ljava/lang/String;)V
修改build.gradle
// classpath 'com.android.tools.build:gradle:2.3.3'
classpath 'com.android.tools.build:gradle:4.0.1'
