Analysis on Touch and Click for Android

current situation

If the touch and click mechanism disapper, the smart phone is not smart. The touch and click event is a bridage connect user and phone.

Analysis of Touch and Click

Mechanism of Touch and Click

There are many articles about how android works on touching event and click event. In a simple word, Click is an type of Touch and android all event on the screen is Touch.

Then, what would emphsize is that the View and ViewGroup have different Touch Process. For example, View has the dispatch function, but ViewGroup has intercept function.

How Use Touch and Click

In my view, you must have a clear logic for your business before coding. Then you can design some widgets. Of course, the process logic is not certain, especially, when you want design a common widget, you must put every possible scenario in consideration.