【转】iOS开发常用的第三方类库

时间:2021-07-03 15:52:46

原文: http://blog.csdn.net/xiazailushang/article/details/9716043

在iOS开发中不可避免的会用到一些第三方类库,它们提供了很多实用的功能,使我们的开发变得更有效率;同时,也可以从它们的源代码中学习到很多有用的东西。

Reachability 检测网络连接

用来检查网络连接是否可用:包括WIFI和WWAN(3G/EDGE/CDMA等)两种工作模式。

可以从Apple网站下载到:http://developer.apple.com/library/ios/#samplecode/Reachability/History/History.html#//apple_ref/doc/uid/DTS40007324-RevisionHistory-DontLinkElementID_1

现在有更好的替代品:https://github.com/tonymillion/Reachability,比Apple提供的兼容性更好,而且更加好用,更具体的使用方法请看它提供的例子。

  1. <font color="rgb(51, 51, 51)">Reachability* reach = [Reachability reachabilityWithHostname:@"www.google.com"];
  2. reach.reachableBlock = ^(Reachability*reach) {
  3. NSLog(@"网络可用!");
  4. };
  5. reach.unreachableBlock = ^(Reachability*reach) {
  6. NSLog(@"网络不可用!");
  7. };
  8. // 开始监听
  9. [reach startNotifier];</font>

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ASIHTTPRequest 网络请求ASIHTTPRequest是对CFNetwork API的一个包装,它提供了一套更加简洁的API,使用起来也更加简单。
官方网站:http://allseeing-i.com/ASIHTTPRequest/
GitHub:https://github.com/pokeb/asi-http-request
它不仅仅支持基本的HTTP请求,而且支持基于REST的服务(GET/POST/PUT/DELETE)。最让人喜欢的是,它支持block语法:

  1. NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com"];
  2. __block ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
  3. [request setCompletionBlock:^{
  4. // Use when fetching text data
  5. NSString *responseString = [request responseString];
  6. // Use when fetching binary data
  7. NSData *responseData = [request responseData];
  8. }];
  9. [request setFailedBlock:^{
  10. NSError *error = [request error];
  11. }];
  12. [request startAsynchronous];

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它的ASIFormDataRequest子类可以横容易的提交表单数据和文件:

  1. ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
  2. [request setPostValue:@"Ben" forKey:@"first_name"];
  3. [request setPostValue:@"Copsey" forKey:@"last_name"];
  4. // Upload a file on disk
  5. [request setFile:@"/Users/ben/Desktop/ben.jpg" withFileName:@"myphoto.jpg" andContentType:@"image/jpeg"
  6. forKey:@"photo"];
  7. // Upload an NSData instance
  8. [request setData:imageData withFileName:@"myphoto.jpg" andContentType:@"image/jpeg" forKey:@"photo"];

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详细的使用方法请下载相应的源代码及例子,或者从官方的使用说明http://allseeing-i.com/ASIHTTPRequest/How-to-use开始。

MBProgressHUD 提示效果支持各种状态加载的提示效果,以及带进度的提示效果。
GitHub:https://github.com/matej/MBProgressHUD
一般会在.m文件实现MBProgressHUDDelegate协议,并声明HUD变量:

  1. @interface SampleViewController ()<MBProgressHUDDelegate>
  2. {
  3. MBProgressHUD *HUD;
  4. }
  5. #pragma mark -
  6. #pragma mark MBProgressHUDDelegate methods
  7. - (void)hudWasHidden:(MBProgressHUD *)hud {
  8. // Remove HUD from screen when the HUD was hidded
  9. [HUD removeFromSuperview];
  10. HUD = nil;
  11. }

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在执行某个异步请求时开始调用:

  1. HUD = [MBProgressHUD showHUDAddedTo:self.webView animated:YES];
  2. HUD.labelText = @"正在请求...";
  3. // mode参数可以控制显示的模式
  4. //HUD.mode = MBProgressHUDModeText;
  5. HUD.delegate = self;

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请求完成时隐藏提示效果:

  1. [HUD hide:YES];

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对于同步方法一般都是用showWhileExecuting方法,方法执行完成之后会自动隐藏提示效果:

  1. [HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];

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SVProgressHUD 提示效果
GitHub:https://github.com/samvermette/SVProgressHUD
SVProgressHUD和MBProgressHUD效果差不多,不过不需要使用协议,同时也不需要声明实例。直接通过类方法进行调用即可:

  1. [SVProgressHUD method]

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可以使用以下方法来显示状态:

  1. + (void)show;
  2. + (void)showWithMaskType:(SVProgressHUDMaskType)maskType;
  3. + (void)showWithStatus:(NSString*)string;
  4. + (void)showWithStatus:(NSString*)string maskType:(SVProgressHUDMaskType)maskType;

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如果需要明确的进度,则使用以下方法:

  1. + (void)showProgress:(CGFloat)progress;
  2. + (void)showProgress:(CGFloat)progress status:(NSString*)status;
  3. + (void)showProgress:(CGFloat)progress status:(NSString*)status maskType:(SVProgressHUDMaskType)maskType;

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通过dismiss方法来隐藏提示:

  1. + (void)dismiss;

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另外提供了以下方法用于显示状态,并在1秒后自动隐藏提示(使用的图标来源于Glyphish:http://www.glyphish.com/):

  1. + (void)showSuccessWithStatus:(NSString*)string;
  2. + (void)showErrorWithStatus:(NSString *)string;
  3. + (void)showImage:(UIImage*)image status:(NSString*)string; // use 28x28 white pngs

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ZAActivityBar 提示效果
GitHub:https://github.com/zacaltman/ZAActivityBar
ZAActivityBar和SVProgressHUD非常相似,它提供了更加简洁的API来显示提示效果。ZAActivityBar使用的动画效果来源于ZKBounceAnimation(https://github.com/khanlou/SKBounceAnimation),成功、失败的状态图标来源于Pictos(http://pictos.cc/)。显示加载状态:

  1. [ZAActivityBar showWithStatus:@"加载中..."];

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显示成功、失败状态:

  1. [ZAActivityBar showSuccessWithStatus:@"成功!"];
  2. [ZAActivityBar showErrorWithStatus:@"失败!"];

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隐藏提示:

  1. [ZAActivityBar dismiss];

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SBJson JSON解析官方: http://sbjson.org/
GitHub:https://github.com/stig/json-framework
API使用起来稍显繁琐,特别是初始化的时候:

  1. @interface TestViewController ()<SBJsonStreamParserAdapterDelegate> {
  2. SBJsonStreamParser *parser;
  3. SBJsonStreamParserAdapter *adapter;
  4. }
  5. // 冗长的初始化方法足以吓到一大片人
  6. - (void)initSBJSON
  7. {
  8. // We don't want *all* the individual messages from the
  9. // SBJsonStreamParser, just the top-level objects. The stream
  10. // parser adapter exists for this purpose.
  11. adapter = [[SBJsonStreamParserAdapter alloc] init];
  12. // Set ourselves as the delegate, so we receive the messages
  13. // from the adapter.
  14. adapter.delegate = self;
  15. // Create a new stream parser..
  16. parser = [[SBJsonStreamParser alloc] init];
  17. // .. and set our adapter as its delegate.
  18. parser.delegate = adapter;
  19. // Normally it's an error if JSON is followed by anything but
  20. // whitespace. Setting this means that the parser will be
  21. // expecting the stream to contain multiple whitespace-separated
  22. // JSON documents.
  23. parser.supportMultipleDocuments = YES;
  24. }
  25. #pragma mark SBJsonStreamParserAdapterDelegate methods
  26. - (void)parser:(SBJsonStreamParser *)parser foundArray:(NSArray *)array {
  27. [NSException raise:@"unexpected" format:@"Should not get here"];
  28. }
  29. - (void)parser:(SBJsonStreamParser *)parser foundObject:(NSDictionary *)dict {
  30. NSLog(@"SBJson parser foundObject");
  31. // 处理返回的数据
  32. }
  33. // 使用ASIHTTPRequest请求测试
  34. - (void) loadData {
  35. __block ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
  36. [request setRequestMethod:@"POST"];
  37. [request setCompletionBlock:^{
  38. // Use when fetching text data
  39. //NSString *responseString = [request responseString];
  40. // Use when fetching binary data
  41. NSData *responseData = [request responseData];
  42. NSLog(@"Connection didReceiveData of length: %u", responseData.length);
  43. // Parse the new chunk of data. The parser will append it to
  44. // its internal buffer, then parse from where it left off in
  45. // the last chunk.
  46. SBJsonStreamParserStatus status = [parser parse:responseData];
  47. if (status == SBJsonStreamParserError) {
  48. NSLog(@"Parser error: %@", parser.error);
  49. } else if (status == SBJsonStreamParserWaitingForData) {
  50. NSLog(@"Parser waiting for more data");
  51. }
  52. }];
  53. [request setFailedBlock:^{
  54. NSError *error = [request error];
  55. NSLog(@"failed - %@ %@", [error localizedDescription], error);
  56. }];
  57. [request startAsynchronous];
  58. }

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JSONKit JSON解析
GitHub:https://github.com/johnezang/JSONKit
提供比SBJson更优异的性能以及更加简便的使用方法,但是中文最好使用utf-8格式(\uXXXX),否则容易造成乱码。API调用起来非常简单,省去了SBJson那么一大堆的方法:

  1. JSONDecoder* decoder = [[JSONDecoder alloc] initWithParseOptions:JKParseOptionNone];
  2. id result = [decoder objectWithData:jsonData];

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详细的使用方法请看它的GitHub主页。
SDWebImage 图片异步加载及缓存
SDWebImage用于异步下载网络上的图片,并支持对图片的缓存等。多数情况下是使用UIImageView+WebCache为UIImageView异步加载图片:

  1. #import <SDWebImage/UIImageView+WebCache.h>
  2. // ...
  3. [cell.imageView setImageWithURL:[NSURL URLWithString:@"http://www.domain.com/path/to/image.jpg"]
  4. placeholderImage:[UIImage imageNamed:@"placeholder.png"]];

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需要注意的是,pladeholderImage的大小一定要大于UIImageView的大小,否则可能不显示placeholderImage图片。它还支持block语法用于在加载完成时做一些操作:

  1. [cell.imageView setImageWithURL:[NSURL URLWithString:@"http://www.domain.com/path/to/image.jpg"]
  2. placeholderImage:[UIImage imageNamed:@"placeholder.png"]
  3. completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType) {... completion code here ...}];

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SDWebImage并不局限于UIImageView上,使用SDWebImageManager完成更多的操作:

  1. SDWebImageManager *manager = [SDWebImageManager sharedManager];
  2. [manager downloadWithURL:imageURL
  3. options:0
  4. progress:^(NSUInteger receivedSize, long long expectedSize)
  5. {
  6. // 下载进度
  7. }
  8. completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType)
  9. {
  10. if (image)
  11. {
  12. // 下载完成
  13. }
  14. }];

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或者使用Image Downloader也是一样的效果:

  1. [SDWebImageDownloader.sharedDownloader downloadImageWithURL:imageURL
  2. options:0
  3. progress:^(NSUInteger receivedSize, long long expectedSize)
  4. {
  5. // 进度
  6. }
  7. completed:^(UIImage *image, NSData *data, NSError *error, BOOL finished)
  8. {
  9. if (image && finished)
  10. {
  11. // 下载完成
  12. }
  13. }];

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UIActivityIndicator-for-SDWebImage 为SDWebImage显示加载效果
GitHub:https://github.com/JJSaccolo/UIActivityIndicator-for-SDWebImage
用于为SDWebImage在UIImageView加载图片时,显示加载效果(UIActivityIndicatorView实现),它提供以下方法:

  1. - (void)setImageWithURL:(NSURL *)url usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  2. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  3. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder options:(SDWebImageOptions)options
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  4. - (void)setImageWithURL:(NSURL *)url
    completed:(SDWebImageCompletedBlock)completedBlock
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  5. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder completed:(SDWebImageCompletedBlock)completedBlock
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  6. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder options:(SDWebImageOptions)options
    completed:(SDWebImageCompletedBlock)completedBlock
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;
  7. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder options:(SDWebImageOptions)options
    progress:(SDWebImageDownloaderProgressBlock)progressBlock
    completed:(SDWebImageCompletedBlock)completedBlock
    usingActivityIndicatorStyle:(UIActivityIndicatorViewStyle)activityStyle;

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UIImage+Resize 调整图片大小
GitHub:https://github.com/coryalder/UIImage_Resize
提供多种方法为图片设置透明度、圆角、裁剪、调整大小等:

  1. - (UIImage *)imageWithAlpha;
  2. - (UIImage *)transparentBorderImage:(NSUInteger)borderSize;
  3. - (UIImage *)roundedCornerImage:(NSInteger)cornerSize borderSize:(NSInteger)borderSize;
  4. - (UIImage *)croppedImage:(CGRect)bounds;
  5. - (UIImage *)thumbnailImage:(NSInteger)thumbnailSize
  6. transparentBorder:(NSUInteger)borderSize
  7. cornerRadius:(NSUInteger)cornerRadius
  8. interpolationQuality:(CGInterpolationQuality)quality;
  9. - (UIImage *)resizedImage:(CGSize)newSize
  10. interpolationQuality:(CGInterpolationQuality)quality;
  11. - (UIImage *)
  12. resizedImageWithContentMode:(UIViewContentMode)contentMode
  13. bounds:(CGSize)bounds
  14. interpolationQuality:(CGInterpolationQuality)quality;

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更详细使用见:http://vocaro.com/trevor/blog/2009/10/12/resize-a-uiimage-the-right-way/ 
ImageCacheResize 异步加载图片、缓存及调整大小
GitHub:https://github.com/toptierlabs/ImageCacheResize
整合了SDWebImage和UIImage+Resize的功能,用于图片的异步加载、缓存、以及下载完成后调整大小并显示在UIImageView上。提供了以下API用于加载图片以及加载完成后调整图片大小:

  1. - (void)setImageWithURL:(NSURL *)url andCropToBounds:(CGRect)bounds;
  2. - (void)setImageWithURL:(NSURL *)url andResize:(CGSize)size withContentMode:(UIViewContentMode)mode;
  3. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder andCropToBounds:(CGRect)bounds;
  4. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder
    options:(SDWebImageOptions)options  andResize:(CGSize)size;
  5. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder options:(SDWebImageOptions)options  andResize:(CGSize)size
    withContentMode:(UIViewContentMode)mode;
  6. - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage
    *)placeholder
    options:(SDWebImageOptions)options  andCropToBounds:(CGRect)bounds;

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使用方法和SDWebImage一样简单,如以下官方例子:

  1. [imageview setImageWithURL:[NSURL
    URLWithString:@"http://t0.gstatic.com/images?q=tbn:ANd9GcQfraHpiabjEY8iDdBe9OUQYHMtwfuAv9ZRR0RYKuoVF_EpE8Fp5A"]
    andResize:CGSizeMake(30, 30)
    withContentMode:UIViewContentModeScaleAspectFit]; // 按比例缩放
  2. [imageview setImageWithURL:[NSURL
    URLWithString:@"http://t0.gstatic.com/images?q=tbn:ANd9GcQfraHpiabjEY8iDdBe9OUQYHMtwfuAv9ZRR0RYKuoVF_EpE8Fp5A"]
    andCropToBounds:CGRectMake(0, 0, 100, 100)]; // 裁剪成100x100大小

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EGOTableViewPullRefresh  下拉刷新
GitHub:https://github.com/enormego/EGOTableViewPullRefresh
这是最早出现的为UITableView提供下拉刷新功能的类库,使用起来稍显麻烦,需要实现诸多协议(代码取自官方DEMO):

  1. #import "EGORefreshTableHeaderView.h"
  2. @interface RootViewController :
    UITableViewController  <EGORefreshTableHeaderDelegate,
    UITableViewDelegate, UITableViewDataSource>{
  3. EGORefreshTableHeaderView *_refreshHeaderView;
  4. //  是否正在加载中
  5. BOOL _reloading;
  6. }
  7. - (void)viewDidLoad {
  8. [super viewDidLoad];
  9. if (_refreshHeaderView == nil) {
  10. EGORefreshTableHeaderView *view = [[EGORefreshTableHeaderView alloc]
    initWithFrame:CGRectMake(0.0f, 0.0f -
    self.tableView.bounds.size.height, self.view.frame.size.width,
    self.tableView.bounds.size.height)];
  11. view.delegate = self;
  12. [self.tableView addSubview:view];
  13. _refreshHeaderView = view;
  14. [view release];
  15. }
  16. //  更新最后加载时间
  17. [_refreshHeaderView refreshLastUpdatedDate];
  18. }
  19. #pragma mark -
  20. #pragma mark Data Source Loading / Reloading Methods
  21. - (void)reloadTableViewDataSource{
  22. //  在这里加入代码用于获取数据
  23. _reloading = YES;
  24. }
  25. - (void)doneLoadingTableViewData{
  26. //  数据加载完成时调用这个方法
  27. _reloading = NO;
  28. [_refreshHeaderView egoRefreshScrollViewDataSourceDidFinishedLoading:self.tableView];
  29. }
  30. #pragma mark -
  31. #pragma mark UIScrollViewDelegate Methods
  32. - (void)scrollViewDidScroll:(UIScrollView *)scrollView{
  33. [_refreshHeaderView egoRefreshScrollViewDidScroll:scrollView];
  34. }
  35. - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{
  36. [_refreshHeaderView egoRefreshScrollViewDidEndDragging:scrollView];
  37. }
  38. #pragma mark -
  39. #pragma mark EGORefreshTableHeaderDelegate Methods
  40. - (void)egoRefreshTableHeaderDidTriggerRefresh:(EGORefreshTableHeaderView*)view{
  41. [self reloadTableViewDataSource];
  42. [self performSelector:@selector(doneLoadingTableViewData) withObject:nil afterDelay:3.0];
  43. }
  44. - (BOOL)egoRefreshTableHeaderDataSourceIsLoading:(EGORefreshTableHeaderView*)view{
  45. return _reloading; // should return if data source model is reloading
  46. }
  47. - (NSDate*)egoRefreshTableHeaderDataSourceLastUpdated:(EGORefreshTableHeaderView*)view{
  48. return [NSDate date]; // should return date data source was last changed
  49. }

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PullToRefresh 下拉刷新
GitHub:https://github.com/leah/PullToRefresh
PullToRefresh提供比EGOTableViewPullRefresh更加简单的使用方法,只要继承自PullRefreshTableViewController,再实现refresh方法即可:

  1. - (void)refresh {
  2. // 加载数据
  3. [self.tableView reloadData]; // 重新载入UITableView
  4. [self stopLoading]; //停止动画
  5. }

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STableViewController  下拉刷新、上拉加载更多
GitHub:https://github.com/shiki/STableViewController
STableViewController比PullToRefresh多了一个上拉加载更多功能,使用上也差不多简单,需要继承自STableViewController,再实现一些方法:

  1. - (void) viewDidLoad
  2. {
  3. [super viewDidLoad];
  4. self.title = @"STableViewController Demo";
  5. [self.tableView setBackgroundColor:[UIColor lightGrayColor]];
  6. // 需要创建两个自定义视图用于显示"下拉刷新"、"上拉加载更多"
  7. self.headerView = headerView;
  8. self.footerView = footerView;
  9. }
  10. #pragma mark - Pull to Refresh
  11. - (void) pinHeaderView
  12. {
  13. [super pinHeaderView];
  14. // 下拉刷新视图显示一些加载动画
  15. }
  16. - (void) unpinHeaderView
  17. {
  18. [super unpinHeaderView];
  19. // 下拉刷新视图停止动画
  20. }
  21. - (void) headerViewDidScroll:(BOOL)willRefreshOnRelease scrollView:(UIScrollView *)scrollView
  22. {
  23. // 下拉刷新视图显示状态信息
  24. if (willRefreshOnRelease)
  25. //hv.title.text = @"松开后刷新...";
  26. else
  27. //hv.title.text = @"下拉刷新...";
  28. }
  29. - (BOOL) refresh
  30. {
  31. if (![super refresh])
  32. return NO;
  33. // 下拉刷新加载数据
  34. [self performSelector:@selector(addItemsOnTop) withObject:nil afterDelay:2.0];
  35. return YES;
  36. }
  37. #pragma mark - Load More
  38. - (void) willBeginLoadingMore
  39. {
  40. // 上拉加载更多视图加载动画
  41. }
  42. - (void) loadMoreCompleted
  43. {
  44. [super loadMoreCompleted];
  45. // 上拉加载更多视图停止动画
  46. if (!self.canLoadMore) {
  47. //没有更多数据的时候执行代码...
  48. }
  49. }
  50. - (BOOL) loadMore
  51. {
  52. if (![super loadMore])
  53. return NO;
  54. // 上拉加载更多数据
  55. [self performSelector:@selector(addItemsOnBottom) withObject:nil afterDelay:2.0];
  56. return YES;
  57. }
  58. //
  59. - (void) addItemsOnTop
  60. {
  61. // 加载数据...
  62. [self.tableView reloadData];
  63. // 数据加载完成通知上拉视图
  64. [self refreshCompleted];
  65. }
  66. - (void) addItemsOnBottom
  67. {
  68. // 加载更多数据...
  69. [self.tableView reloadData];
  70. // 通过判断设置是否可以加载更多
  71. //self.canLoadMore = NO;
  72. // 数据加载完成通知下拉视图
  73. [self loadMoreCompleted];
  74. }

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SVPullToRefresh 下拉刷新、上拉加载更多
GitHub:https://github.com/samvermette/SVPullToRefresh
包含SVPullToRefresh + SVInfiniteScrolling为UITableView提供下拉刷新、上拉加载更多功能。使用起来也相当简单,只要在UITableViewController里实现以下方法:

  1. - (void)viewDidLoad {
  2. [super viewDidLoad];
  3. __weak SVViewController *weakSelf = self;
  4. // 设置下拉刷新
  5. [self.tableView addPullToRefreshWithActionHandler:^{
  6. [weakSelf insertRowAtTop];
  7. }];
  8. // 设置上拉加载更多
  9. [self.tableView addInfiniteScrollingWithActionHandler:^{
  10. [weakSelf insertRowAtBottom];
  11. }];
  12. }
  13. - (void)viewDidAppear:(BOOL)animated {
  14. [tableView triggerPullToRefresh];
  15. }
  16. - (void)insertRowAtTop {
  17. // 获取数据....
  18. // 停止动画
  19. [self.tableView.pullToRefreshView stopAnimating];
  20. }
  21. - (void)insertRowAtBottom {
  22. // 获取数据....
  23. // 停止动画
  24. [weakSelf.tableView.infiniteScrollingView stopAnimating];
  25. }

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CMPopTipView 提示信息
GitHub:https://github.com/chrismiles/CMPopTipView
CMPopTipView用于在一些视图上显示提示信息:

  1. self.tipView = [[CMPopTipView alloc] initWithMessage:@"提示消息"];
  2. self.tipView.delegate = self;
  3. [self.tipView presentPointingAtView:anyButton inView:self.view animated:YES]; // 点击按钮显示
  4. [self.tipView presentPointingAtBarButtonItem:barButtonItem animated:YES]; // 点击导航栏按钮显示
  5. #pragma mark CMPopTipViewDelegate methods
  6. - (void)popTipViewWasDismissedByUser:(CMPopTipView *)popTipView {
  7. // 清理资源
  8. self.tipView = nil;
  9. }

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PrettyKit
GitHub:https://github.com/vicpenap/PrettyKit
定制了一些UI组件如UITableViewCell、UINavigationBar、UITabBar、UIToolBar等,比系统自带的更加美观。

MGBox2
GitHub:https://github.com/sobri909/MGBox2
提供一些定制的UI组件可以更简单
快速的创建表格、网格布局,以及丰富的文本呈现,基于block的事件机制等,包含:MGBox、MGTableBox、
MGTableBoxStyled、MGScrollView、MGButton、MGEvents、MGEasyFrame、MGLine等,其中
MGBox还支持screenshot方法用于截图。

Nimbus
GitHub:https://github.com/jverkoey/nimbus
著名的框架,提供了一套非常丰富的UI组件,可以使开发变得更加简单、有效率。

FlatUIKit
GitHub:https://github.com/Grouper/FlatUIKit
扁平化设计的UI组件,类似于WP或者iOS7的风格。

MUKMediaGallery
GitHub:https://github.com/muccy/MUKMediaGallery
媒体库效果,支持图片、视频及音频。

PTShowcaseViewController
GitHub:https://github.com/exalted/PTShowcaseViewController
同样是一个媒体库效果,支持的格式更多,包括:图片、视频、PDF等.

MWPhotoBrowser
GitHub:https://github.com/mwaterfall/MWPhotoBrowser
图片展示效果,支持本地及远程的图片,使用也比较简单,只要实现MWPhotoBrowserDelegate协议:

  1. @interface TestViewController ()<MWPhotoBrowserDelegate>
  2. {
  3. NSArray *_photos;
  4. }
  5. -(void) doAction {
  6. NSMutableArray *photos = [[NSMutableArray alloc] init];
  7. for (...) {
  8. MWPhoto* photo = [MWPhoto photoWithURL:[NSURL URLWithString:url]]; // 设置图片地址
  9. photo.caption = description; // 设置描述
  10. [photos addObject:photo];
  11. }
  12. _photos = photos;
  13. MWPhotoBrowser *browser = [[MWPhotoBrowser alloc] initWithDelegate:self];
  14. browser.displayActionButton = YES;
  15. UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:browser];
  16. nc.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
  17. [self presentModalViewController:nc animated:YES];
  18. }
  19. #pragma mark - MWPhotoBrowserDelegate
  20. - (NSUInteger)numberOfPhotosInPhotoBrowser:(MWPhotoBrowser *)photoBrowser {
  21. return _photos.count;
  22. }
  23. - (MWPhoto *)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index {
  24. if (index < _photos.count)
  25. return [_photos objectAtIndex:index];
  26. return nil;
  27. }

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ios-image-filters
GitHub:https://github.com/esilverberg/ios-image-filters提供多种图片滤镜效果。

PDF Reader Core for iOS
GitHub:https://github.com/vfr/Reader
PDF阅读器核心。

DTCoreText
GitHub:https://github.com/Cocoanetics/DTCoreText
支持富文本的显示如HTML。

FTCoreText
GitHub:https://github.com/FuerteInternational/FTCoreText
富文本视图

CoreTextWrapper
GitHub:https://github.com/akosma/CoreTextWrapper
支持多列的文本视图

Base64
GitHub:https://github.com/nicklockwood/Base64
提供对字符串的Base64编码

RNCryptor
GitHub:https://github.com/rnapier/RNCryptor提供AES加密方法