Failed to resolve: com.github.*

引入外部包时常见说要在项目根目录的build.gradle中添加

allprojects {
repositories {
……
maven { url 'https://jitpack.io' }
}
}

但还是会报错Failed to resolve: com.github.*

最新的androidStudio要到根目录的settings.gradle中去添加

repositories {
……
maven { url 'https://jitpack.io' }
}