Android custom Scrollview enables the top picture to be pulled down and enlarged

This example shares the specific code of Scrollview to realize the pull-down and amplification of the top picture for your reference. The specific contents are as follows

The previous Scrollview top picture drop-down magnification has been used several times in subsequent projects, but each time it is written in the activity, which is very troublesome and inconvenient to reuse. I'm free these days, so I reuse the custom Scrollview method to achieve this effect. The principle is basically the same as that before, so I won't say much, just go to the code.

It is also very simple to use

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.