How can I blur and dim an image to be used as an activity background?

问题

Like the title says: I want to blur and darken a downloaded image.
The BlurMaskFilter in the SDK sounds relevant, but I can't find any documentation on it.

Any suggestions?

回答1:

I've only used this once and just for fun (not an expert). Try something like:

paint.setMaskFilter(new BlurMaskFilter(20, Blur.OUTER));

for more there is a nice blog here.

来源：https://stackoverflow.com/questions/6064523/how-can-i-blur-and-dim-an-image-to-be-used-as-an-activity-background