状态栏字体颜色及背景颜色调整

UIView*statusBarView=[[UIViewalloc]initWithFrame:CGRectMake(0,0, kScreenWidth,20)];

statusBarView.backgroundColor= [UIColorwhiteColor];

[self.viewaddSubview:statusBarView];

[[UIApplicationsharedApplication]setStatusBarStyle:UIStatusBarStyleDefaultanimated:NO];