Touch actions: Theory

[Instructor] One of the big differences between mobile apps … and traditional desktop apps is the input style. … Desktop apps typically use a mouse and a keyboard. … Whereas mobile apps are driven almost entirely … by one or two fingers. … What this means is that automating mobile app test scenarios … might involve simulating the input of a human finger … or two or three. … Luckily the Appium API supports a totally general way … of describing touch actions. … Here's my test app again. … This time, on a view which has a scrollable list. … A scrollable list is a great example … of a mobile app component … that a user would interact with, using their finger. … Lets say I wanted to automate this list of cloud types, … but the particular cloud type I want to tap … is not present on the screen. … What would I do as a human user? … Well, I'd first place one of my fingers … near the lower half of the screen. … Then I'd drag up, … then I'd release my finger. … All together the app interprets this as a scroll …