【我的Android進階之旅】解決編譯報錯：Cannot convert a null value to an object of type Dependency.

一、問題描述

今天在將一個內部SDK集成到一個新的apk時候，編譯報錯，如下所示：

下午 03:48	Gradle sync failed: Cannot convert a null value to an object of type Dependency.
					The following types/formats are supported:
					- Instances of Dependency.
					- String or CharSequence values, for example 'org.gradle:gradle-core:1.0'.
					- Maps, for example [group: 'org.gradle', name: 'gradle-core', version: '1.0'].
					- FileCollections, for example files('some.jar',