1.状态栏高亮颜色

在info.plist中添加 View controller-based status bar appearance 设置为 "NO"
在AppDelegate.m中添加代码

[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:YES];

2.启动画面隐藏状态栏

在info.plist中添加 Status bar is initially hidden 设置为 "YES"
在AppDelegate.m中添加代码

[[UIApplication sharedApplication] setStatusBarHidden:NO];