The role of Gettag () and Settag

first we need to know what the Settag method is, he is a label to the View object, the tag can be anything, we set him up as an object here, Because we abstract the elements of Vlist2.xml into a class Viewholder, using the Settag, this tag isViewholder a property of an object after it is instantiated.we then forViewholderinstantiated ObjectsHolderthe operation, all becauseJavareference mechanism that has survived and changedConvertviewthe content, and not every time is going toNewone. We're just going to make it so reusable--I hope I'm clear about that. If there is a simpler explanation, please advise.

The role of Gettag () and Settag