修改 UIImagePickerController 选择照片状态栏颜色及导航栏按钮标题字体颜色

 UIImagePickerController *picker = [[UIImagePickerController alloc] init];

    

    picker.view.backgroundColor = [UIColor whiteColor];

    picker.delegate = self;

    //    更改picker的导航条颜色 及item的tintcolor

    if ([picker.navigationBar respondsToSelector:@selector(setBarTintColor:)]) {

        [picker.navigationBar setBarTintColor:[UIColor colorWithWhite:0.1 alpha:1.0]];

        [picker.navigationBar setTranslucent:YES];

        [picker.navigationBar setTintColor:[UIColor whiteColor]];

    }else{

        [picker.navigationBar setBackgroundColor:[UIColor colorWithWhite:0.1 alpha:1.0]];

    }

    //    更改titieview的字体颜色

    NSMutableDictionary *attrs = [NSMutableDictionary dictionary];

    attrs[NSForegroundColorAttributeName] = [UIColor whiteColor];

    [picker.navigationBar setTitleTextAttributes:attrs];

    [self showDetailViewController:picker sender:nil];