UITableView相关
1、TableView不显示没内容的Cell怎么办?
self.tableView.tableFooterView = [[UIView alloc] init];
2、怎么在不新建一个Cell的情况下调整separaLine的位置?
_myTableView.separatorInset = UIEdgeInsetsMake(0, 100, 0, 0);
3、怎么把tableview里cell的小对勾的颜色改成别的颜色？
_mTableView.tintColor = [UIColor redColor];
UINavigationController相关
1、怎么像safari一样滑动的时候隐藏navigationbar?
navigationController.hidesBarsOnSwipe = Yes
2、导航条返回键带的title太讨厌了,怎么让它消失!
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60)
forBarMetrics:UIBarMetricsDefault];
3、自定义了leftBarbuttonItem左滑返回手势失效了怎么办?
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
initWithImage:img
style:UIBarButtonItemStylePlain
target:self
action:@selector(onBack:)];
self.navigationController.interactivePopGestureRecognizer.delegate = (id<uigesturerecognizerdelegate>)self;</uigesturerecognizerdelegate>
4、怎么把我的navigationbar弄成透明的而不是带模糊的效果？
[self.navigationBar setBackgroundImage:[UIImage new]
forBarMetrics:UIBarMetricsDefault];
self.navigationBar.shadowImage = [UIImage new];
self.navigationBar.translucent = YES;
UICollectionView相关
CollectionView 怎么实现tableview那种悬停的header?
CSStickyHeaderFlowLayou
UIImage相关
拉伸图片的时候怎么才能让图片不变形？
UIImage *image = [[UIImage imageNamed:@"xxx"] stretchableImageWithLeftCapWidth:10 topCapHeight:10];
UIStatusBar相关
本来我的statusbar是lightcontent的，结果用UIImagePickerController会导致我的statusbar的样式变成黑色，怎么办？
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
{
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
}
UITextfield相关
怎么改变uitextfield placeholder的颜色和位置？
继承uitextfield，重写这个方法
- (void) drawPlaceholderInRect:(CGRect)rect {
[[UIColor blueColor] setFill];
[self.placeholder drawInRect:rect withFont:self.font lineBreakMode:UILineBreakModeTailTruncation alignment:self.textAlignment];
