CGSize viewSize = self.window.bounds.size;
NSString *viewOrientation = @"Portrait"; //横屏请设置成 @"Landscape"
NSString *launchImage = nil; NSArray* imagesDict = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
for (NSDictionary* dict in imagesDict)
{
CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]); if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]])
{
launchImage = dict[@"UILaunchImageName"];
}
} UIImageView *launchView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:launchImage]];
launchView.frame = self.window.bounds;
launchView.contentMode = UIViewContentModeScaleAspectFill;
[self.window addSubview:launchView]; [UIView animateWithDuration:2.0f
delay:0.0f
options:UIViewAnimationOptionBeginFromCurrentState
animations:^{ launchView.alpha = 0.0f;
launchView.layer.transform = CATransform3DScale(CATransform3DIdentity, 1.2, 1.2, ); }
completion:^(BOOL finished) { [launchView removeFromSuperview]; }];