IOS中获取屏幕尺寸

//app尺寸，去掉状态栏

CGRect appRect = [UIScreen mainScreen].applicationFrame;

NSLog(@"%f, %f, %f,%f",appRect.origin.x, appRect.origin.y, appRect.size.width,appRect.size.height);

//屏幕尺寸

CGRect screenRect = [UIScreen mainScreen].bounds;

NSLog(@"%f, %f, %f,%f",screenRect.origin.x, screenRect.origin.y, screenRect.size.width,screenRect.size.height);

//装天栏尺寸

CGRect statusRect = [[UIApplication sharedApplication] statusBarFrame];

NSLog(@"%f, %f, %f,%f",statusRect.origin.x, statusRect.origin.y, statusRect.size.width,statusRect.size.height);

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