Android dynamic menu implementation example code

Android dynamic menu

Effect drawing first

Relatively simple, mainly the use of attribute animation and small details of coordinate angles.

realization

Implementation effect: the icon can be scaled and graded all the way according to the path.

Core code

Item turning on and off animation is an inverse process, which is reflected in the change of X and Y distances.

x. When the distance of Y is turned on, the distance increases gradually

Note here that math.toradins (numbers) can be used to calculate sin radians

Or use pi = 180 ° to convert

Example code:

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