B4A Library [B4X] CoolLogo

Erel

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(It is much smoother than in the above animated gif)

A cross platform custom view based on XUI and BitmapCreator. It draws a moving line over the non-transparent parts of the image.

It is done using a feature of BitmapCreator that builds a data structure with the information about non-transparent parts of the image.

The custom view should be added with the designer. You then need to call SetBitmap to set the image.

A B4J project is attached. The class is cross platform.
Depends on: XUI and BitmapCreator libraries.

Notes:

In B4A you need to add this code in Activity_Resume or the animation will not be resumed when the activity is resumed:
B4X:
CoolLogo1.Visible = CoolLogo1.Visible
Another example:

 

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