猜谜语

// ViewController.m

// 猜谜语

// Created by Bruce on 15/8/13.

#import "ViewController.h"

#import "HTTPRequestManager.h"

#import "InfoModel.h"

@interface ViewController ()

{

NSTimer *runTimer;

UITextView *showView;

BOOL isShow;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self createView];

[self loadData];

}

- (void)createView

{

showView = [[UITextView alloc]initWithFrame:self.view.frame];

showView.editable = NO;

showView.selectable = NO;

showView.font = [UIFont systemFontOfSize:40];

showView.textAlignment = NSTextAlignmentCenter;

showView.textColor = [UIColor brownColor];

[self.view addSubview:showView];

UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(showAnswer)];

[self.view addGestureRecognizer:tap];

}

- (void)showAnswer

{

isShow = !isShow;

if (isShow!=NO) {

runTimer.fireDate = [NSDate distantFuture];

showView.textColor = [UIColor orangeColor];

showView.text = [InfoModel shareManager].Answer;

}else{

runTimer.fireDate = [NSDate distantPast];

showView.textColor = [UIColor brownColor];

showView.text = @"";

}

- (void)loadData

{

NSString *url = @"http://apis.baidu.com/myml/c1c/c1c";

[HTTPRequestManager sendGetRequestWithURL:url responseContent:^(id result) {

InfoModel *model = [InfoModel shareManager];

model.Title = result[@"Title"];

model.Answer = result[@"Answer"];

// 刷新UI 必须在主线程刷新

[self performSelectorOnMainThread:@selector(next) withObject:nil waitUntilDone:YES];

}];

}

- (void)next

{

showView.text = [InfoModel shareManager].Title;

runTimer = [NSTimer scheduledTimerWithTimeInterval:10 target:self selector:@selector(loadData) userInfo:nil repeats:YES];

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end

// InfoModel.h

// 猜谜语

// Created by Bruce on 15/8/13.

#import <Foundation/Foundation.h>

@interface InfoModel : NSObject

+ (instancetype)shareManager;

@property (nonatomic,copy) NSString *Title;

@property (nonatomic,copy) NSString *Answer;

@end

// InfoModel.m

// 猜谜语

// Created by Bruce on 15/8/13.

#import "InfoModel.h"

static InfoModel *model = nil;

@implementation InfoModel

+ (instancetype)shareManager

{

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

model = [[InfoModel alloc]init];

});

return model;

}

@end

HTTPRequestManager（缓冲效果）