Android development tutorial text box with scroll view

We all know that EditText and textview are Android text input boxes and text display boxes, but based on the size of the mobile phone screen, if you need to input more text or display more content, the mobile phone screen is far from enough. Therefore, it is necessary for the mobile phone to have the function of scrolling bar in the text box. Here is how to add scrollbar. To add a scroll bar, it is actually very simple. You only need to add a scroll bar control on the text input box or text display box. The name of the control is Scrollview. Let's compare it below (take textview as an example).