Displaying the questions

all about Dart lists, you'll start seeing them … all over the place; and, to start with, … we already said that the columns … when we're trying to set its children property, … it always expects a list of widgets. … And that's why we create them inside … these square brackets and also so do these rows. … They also want to have children … some of these things, such as, for example, … when we added it to here on the onPressed of our true button … or when we added our icons into our scorekeeper list. … But there's another way that you can do this … with Android Studio. … So, very helpfully, Android Studio is actually tracking … everything that you're doing behind the scenes. … Now, it sounds a bit creepy, … but it's actually super helpful. … So, firstly, go into the VCS menu up here; … and this stands for Version Control System. … So a part of that has our local history. … If we go in there and we click on Show History, … then you'll see all of the code changes that we made; … for example, 30 minutes ago I added my check icon …