iOS 13 adjust

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  1. presentView 不是全屏

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    nav.modalPresentationStyle = UIModalPresentationFullScreen;

  2. search bar 左侧icon位置偏移
    在uiimageview 外面套一层uiview 设置uiview的职位

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    UIView * iconOutView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 40, 30)];
    UIImageView* iconView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"搜索图标"]];
    iconView.center = CGPointMake(iconOutView.frame.size.width/2,iconOutView.frame.size.height/2);
    [iconOutView addSubview:iconView];

    self.leftView = iconOutView;
    self.leftViewMode = UITextFieldViewModeAlways;

  3. launch img要被禁用了 需要配置成launch screen
    先创建一个launch screen文件
    点击xcode 右上角的加号 添加imageview
    添加约束显示

  4. dark mode status bar not show
    Status bar style Default
    User Interface Style Light
    View controller-based status bar appearance YES