我有以下代碼來創建一個梯度(或一開始):核芯顯卡在iOS的
CAGradientLayer *gradient = [CAGradientLayer layer];
UIColor *lightGreen = [UIColor colorWithRed:66.0f/255.0f green:79.0f/255.0f blue:91.0f/255.0f alpha:1.0f];
UIColor *darkGreen = [UIColor colorWithRed:66.0f/255.0f green:79.0f/255.0f blue:91.0f/255.0f alpha:1.0f];
爲什麼這條線給我「預期標識符」?
gradient.colors = [NSArray arrayWithObjects:(id)[lightGreen.CGColor]];
要意識到iOS7和Xcode 5是仍然由NDA,制約你從蘋果官方開發者論壇之外談論它覆蓋。 – rckoenes
gradient.colors =可以是它具有容納多於一個的顏色更多;如'gradient.colors = [NSArray的arrayWithObjects:(ID)[[的UIColor blackColor] .CGColor],(ID)[[的UIColor orangeColor] .CGColor]];' – Bala