Android custom view rotate round picture

A @ r_ 404_ 1356@, record the ideas and codes for future use.

Idea:

1. First draw a circular picture and a circular background picture (through @ r_404_1356 @); 2.@R_ 404_ 1356@ basic steps: initialize attributes, measure width, height and center point, and then draw pictures; 3. Rotate the angle of the picture through the handler, and then roll it slowly

design sketch:

1. No more nonsense, just go to the code

2. Almost forgot an attrs attribute

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