How to use view. OnDraw (canvas) in Android
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Android
How to use view. OnDraw (canvas) in Android
View draw through view. OnDraw (canvas)
We can define our own testview inherited from view, and then overload view. OnDraw (canvas)
How is a custom testview associated with an activity? There are two ways:
For example:
The following is an example of using OnDraw (canvas) to draw a rectangular area and draw text on it (making the program more concise and compact by using internal classes):
The operation effect is as follows:
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