Drawing of Android View

First, Introduction

Once a view has been measured, you can simply rewrite the OnDraw () method and draw the desired graphics on the canvas object. First, let's look at the canvas objects that you must use to make use of the system 2D drawing API.

To draw the corresponding image in the Android interface, you must draw it on the canvas. Canvas is like an artboard, and you can paint on it with paint. It is often necessary to complete the drawing through view and overriding its OnDraw () method.

Drawing of Android View