本代码支持 iPhone 6 以下. 支持 iPhone 及 iPad

+(NSString*)getLaunchImageName { NSArray* images= @[@"LaunchImage.png", @"LaunchImage@2x.png",@"LaunchImage-700@2x.png",@"LaunchImage-568h@2x.png",@"LaunchImage-700-568h@2x.png",@"LaunchImage-700-Portrait@2x~ipad.png",@"LaunchImage-Portrait@2x~ipad.png",@"LaunchImage-700-Portrait~ipad.png",@"LaunchImage-Portrait~ipad.png",@"LaunchImage-Landscape@2x~ipad.png",@"LaunchImage-700-Landscape@2x~ipad.png",@"LaunchImage-Landscape~ipad.png",@"LaunchImage-700-Landscape~ipad.png"]; UIImage *splashImage; if ([self isDeviceiPhone]) { if ([self isDeviceiPhone4] && [self isDeviceRetina]) { splashImage = [UIImage imageNamed:images[1]]; if (splashImage.size.width!=0) return images[1]; else return images[2]; } else if ([self isDeviceiPhone5]) { splashImage = [UIImage imageNamed:images[1]]; if (splashImage.size.width!=0) return images[3]; else return images[4]; } else return images[0]; //Non-retina iPhone } else if ([[UIDevice currentDevice] orientation]==UIDeviceOrientationPortrait || [[UIDevice currentDevice] orientation] == UIDeviceOrientationPortraitUpsideDown)//iPad Portrait { if ([self isDeviceRetina]) { splashImage = [UIImage imageNamed:images[5]]; if (splashImage.size.width!=0) return images[5]; else return images[6]; } else { splashImage = [UIImage imageNamed:images[7]]; if (splashImage.size.width!=0) return images[7]; else return images[8]; } } else { if ([self isDeviceRetina]) { splashImage = [UIImage imageNamed:images[9]]; if (splashImage.size.width!=0) return images[9]; else return images[10]; } else { splashImage = [UIImage imageNamed:images[11]]; if (splashImage.size.width!=0) return images[11]; else return images[12]; } } } +(BOOL)isDeviceiPhone { if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { return TRUE; } return FALSE; } +(BOOL)isDeviceiPhone4 { if ([[UIScreen mainScreen] bounds].size.height==480) return TRUE; return FALSE; } +(BOOL)isDeviceRetina { if ([[UIScreen mainScreen] respondsToSelector:@selector(displayLinkWithTarget:selector:)] && ([UIScreen mainScreen].scale == 2.0)) // Retina display { return TRUE; } else // non-Retina display { return FALSE; } } +(BOOL)isDeviceiPhone5 { if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone && [[UIScreen mainScreen] bounds].size.height>480) { return TRUE; } return FALSE; }