直接上代码

 

public boolean isLightColor(int color) {
        double darkness = 1 - (0.299 * Color.red(color) + 0.587 * Color.green(color) + 0.114 * Color.blue(color)) / 255;
        if (darkness < 0.5) {
            return true; // It's a light color
        } else {
            return false; // It's a dark color
        }
    }

 

 

参考:

http://stackoverflow.com/questions/3656586/android-how-to-get-background-color-of-activity-in-java

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