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ステータスバーに背景を追加しようとしています。addConstraintsを適用できません:NSLayoutConstraint to self.window
私はエラー予想外のインタフェース名を取得self.windowするVFL制約を追加しよう: 'NSLayoutConstratint'
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
UIScreen *screen=[[UIScreen alloc]init];
UIWindow *window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.makeKeyAndVisible;
application.statusBarStyle = UIStatusBarStyleLightContent;
UIView *statusBarBackgroundView = [[UIView alloc]init];
statusBarBackgroundView.backgroundColor = [UIColor colorWithRed:194/255 green:31/255 blue:31/255 alpha:1];
[self.window addSubview:statusBarBackgroundView];
// Error while adding constraint below
[self.window addConstraints:NSLayoutConstraint
constraintsWithVisualFormat:@"H:|[statusBarBackgroundView]|"
options:0
metrics:nil
views:NSDictionaryOfVariableBindings(statusBarBackgroundView)];
ありがとうのために手伝い – ios