Flutter for Beginners

Splitting libraries into multiple files

We have seen the single-file approach to define a library, so now let's explore how to split the library definition into multiple files to allow us to organize the project in small, reusable pieces (which is the real purpose of using libraries).

To define a multiple-file library, we can use the combined part, part of, and library statements:

• part: This allows a library to specify that it's composed of small library parts.
• part of: The small library part specifies which library it helps to compose.
• library: This is for using the preceding part statements, as we need to relate part files with the main part of the library.

Let's examine what the preceding example looks like by using the part statements: ...