新浪微博客户端(37)-发布新微博
DJComposeViewController.m
#import "DJComposeViewController.h" #import "DJAccountTool.h" #import "DJTextView.h" #import "AFHTTPSessionManager.h" #import "MBProgressHUD+MJ.h" @interface DJComposeViewController() @property (nonatomic,weak) DJTextView *inputView; @end @implementation DJComposeViewController - (void)viewDidLoad { [super viewDidLoad]; [self initNavigationView]; [self initInputView]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; self.navigationItem.rightBarButtonItem.enabled = NO; } /** 初始化NavigationView */ - (void)initNavigationView { self.view.backgroundColor = [UIColor whiteColor]; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStyleDone target:self action:@selector(finish)]; self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"发送" style:UIBarButtonItemStylePlain target:self action:@selector(send)]; UILabel *titleView = [[UILabel alloc] init]; titleView.width = 200; titleView.height = 44; titleView.numberOfLines = 0; // 设置titleView 为多行显示 titleView.textAlignment = NSTextAlignmentCenter; DJAccount *account = [DJAccountTool account]; NSString *nickName = account.screen_name; NSString *prefix = @"发微博"; NSString *str = [NSString stringWithFormat:@"%@\n%@",prefix,nickName]; NSRange nick_name_range = [str rangeOfString:nickName]; NSRange prefix_range = [prefix rangeOfString:prefix]; NSMutableAttributedString *titleStr = [[NSMutableAttributedString alloc] initWithString:str]; [titleStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:13] range:nick_name_range]; [titleStr addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:15] range:prefix_range]; titleView.attributedText = titleStr; self.navigationItem.titleView = titleView; } /** 初始化输入区域 */ - (void)initInputView { DJTextView *inputView = [[DJTextView alloc] init]; inputView.frame = self.view.bounds; inputView.font = [UIFont systemFontOfSize:14]; inputView.placeholder = @"请输入微博内容"; inputView.placeholderColor = [UIColor grayColor]; [self.view addSubview:inputView]; self.inputView = inputView; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textHasChange) name:UITextViewTextDidChangeNotification object:inputView]; } - (void)finish { [self dismissViewControllerAnimated:YES completion:nil]; } /** 监听TextView文本改变 */ - (void)textHasChange { // 若用户已经为textView输入了文本,则发送按钮可点击 self.navigationItem.rightBarButtonItem.enabled = self.inputView.hasText; } /** 发微博 */ - (void)send { [self sendStatusRequest]; } /** 发微博 */ - (void)sendStatusRequest { AFHTTPSessionManager *RequestManager = [AFHTTPSessionManager manager]; NSString *urlString = @"https://api.weibo.com/2/statuses/update.json"; NSMutableDictionary *params = [NSMutableDictionary dictionary]; params[@"access_token"] = [DJAccountTool account].access_token; params[@"status"] = self.inputView.text; [RequestManager POST:urlString parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { [MBProgressHUD showSuccess:@"发送成功"]; } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { [MBProgressHUD showError:@"发送失败"]; }]; [self dismissViewControllerAnimated:YES completion:nil]; } - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; } @end
最终效果:
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