Android implements a loadingbar with adhesion effect

preface

During development, we usually need to display a loading before initiating a network request. The general practice is to add loading to the XML layout, and then set visibility in the activity to control the display and hiding of loading. This is very inconvenient to use, because we have to introduce a loading layout for each XML.

Loadingbar solves this problem better

Recently, the designer selected a loading effect drawing on a foreign website. After trying to implement it, although it is a little different from the original drawing, the effect is still good. The difficulty is the realization of adhesion effect. The dots of Bezier curve are killing me.

Effect drawing first:

Example code

Then there is the source code, which is a simple view, which can be used directly in XML.

"Carefully" drew a diagram to explain the code.

Use in code

summary

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