Set the dimensions of the arrowhead. @param width Width of the hypotenuse of the arrow head @param height Height of the arrow point

Update the background color of the circle image view.

@param centerRadius Inner radius in px of the circle the progress spinner arc traces.

Update current position before update the UI

Specify the last update time by this key string @param key

Set the amount of rotation to apply to the progress spinner. @param rotation Rotation is from [0..1]

please DO REMEMBER resume the hook @param hook

Hook should always have a resume action, which is hooked by this hook. @param runnable

Set the start and end trim for the progress spinner arc. @param startAngle start angle @param endAngle end angle

@param show Set to true to display the arrowhead on the progress spinner.

将sp值转换为px值，保证文字大小不变

just make easier to understand

just make easier to understand

just make easier to understand

Set the overall size for the progress spinner. This updates the radius and stroke width of the ring.

It's useful when working with viewpager. @param disable

Draw the progress spinner

Send a FATAL ERROR log message @param tag @param msg