If you are highly focused and devoted to learning flutter, then, it would hardly take you more than a week . But If you learn it on daily basis, along with experimenting different things on the way of learning, then, it might take you around 1 month and believe me, this method is much better for learning.
Read moreHow do you get good at Flutter?
Flutter internals The best way to learn is by reading the source code . Start with your favorite widget and read all the documentation comments in the source file. Then follow a link to another source file and keep reading. The more you do this, the more familiar you’ll get with how Flutter works internally.
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