+ (NSString *)getLaunchImageName
{
NSString *viewOrientation = @"Portrait";
if (UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation])) {
viewOrientation = @"Landscape";
}
NSString *launchImageName = nil;
NSArray* imagesDict = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
UIWindow *currentWindow = [[UIApplication sharedApplication].windows firstObject];
CGSize viewSize = currentWindow.bounds.size;
for (NSDictionary* dict in imagesDict)
{
CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);
if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]])
{
launchImageName = dict[@"UILaunchImageName"];
}
}
return launchImageName;
}
+ (UIImage *)getLaunchImage
{
return [UIImage imageNamed:[self getLaunchImageName]];
}
{
NSString *viewOrientation = @"Portrait";
if (UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation])) {
viewOrientation = @"Landscape";
}
NSString *launchImageName = nil;
NSArray* imagesDict = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
UIWindow *currentWindow = [[UIApplication sharedApplication].windows firstObject];
CGSize viewSize = currentWindow.bounds.size;
for (NSDictionary* dict in imagesDict)
{
CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);
if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]])
{
launchImageName = dict[@"UILaunchImageName"];
}
}
return launchImageName;
}
+ (UIImage *)getLaunchImage
{
return [UIImage imageNamed:[self getLaunchImageName]];
}
本文介绍了一种方法来确定iOS应用启动时所使用的图片名称及其对应的UIImage对象。该方法会根据当前设备的方向和窗口大小从应用配置中选择合适的启动图片。
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