摘要：
UIView设置背景渐变色// Allocate bitmap contextCGContextRef bitmapContext = CGBitmapContextCreate(NULL, 320, 480, 8, 4 * 320, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaNoneSkipFirst);// Draw Gradient HereCGContextDrawLinearGradient(bitmapContext, myGradient, CGPointMake(0.0f, 0.0f), CGPointMake(320.0f, 48 阅读全文
