1   2     UIScreen *currentScreen = [UIScreen  mainScreen]; 3      4     NSLog(@"applicationFrame.size.height = %f",currentScreen.applicationFrame.size.height); 5      6     NSLog(@"applicationFrame.size.width = %f",currentScreen.applicationFrame.size.width); 7      8     NSLog(@"applicationFrame.origin.x = %f",currentScreen.applicationFrame.origin.x); 9     10     NSLog(@"applicationFrame.origin.y = %f",currentScreen.applicationFrame.origin.y);11     12     NSLog(@"bounds.x = %f",currentScreen.bounds.origin.x);13     14     NSLog(@"bounds.y = %f",currentScreen.bounds.origin.y);15     16     NSLog(@"bounds.height = %f",currentScreen.bounds.size.height);17     18     NSLog(@"bounds.width = %f",currentScreen.bounds.size.width);19     20     NSLog(@"brightness = %f",currentScreen.brightness);

 

更新：

iOS 9 之后：使用 [UIScreen  mainScreen].bounds代替 [UIScreen  mainScreen].applicationFrame