1 #import "AppDelegate.h" 2 #import "SearchController.h" 3 @interface AppDelegate ()<UITableViewDataSource> 4 @property (nonatomic,strong)UITableView *table; 5 @property (nonatomic,strong)NSMutableArray *datas; 6 @property (nonatomic,strong)UIRefreshControl *refreshControl; 7 @end 8 9 @implementation AppDelegate 10 11 - (void)dealloc 12 { 13 self.datas = nil; 14 self.table = nil; 15 self.refreshControl = nil; 16 } 17 18 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; 20 self.window.backgroundColor = [UIColor whiteColor]; 21 22 23 [self setupViews]; 24 [self setupWithArray]; 25 26 [self.window makeKeyAndVisible]; 27 return YES; 28 29 } 30 /** 31 * 初始化数组 32 */ 33 - (void)setupWithArray 34 { 35 NSArray *array = @[@"A",@"B",@"C",@"D",@"E",@"F"]; 36 self.datas = [array mutableCopy]; 37 } 38 /** 39 * 添加控件 40 */ 41 - (void)setupViews 42 { 43 self.table = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] bounds] style:UITableViewStylePlain]; 44 self.table.dataSource = self; 45 [self.window addSubview:self.table]; 46 47 self.refreshControl = [[UIRefreshControl alloc] init]; 48 [self.refreshControl addTarget:self action:@selector(refreshControlChange:) forControlEvents:UIControlEventValueChanged]; 49 [self.table addSubview:self.refreshControl]; 50 51 } 52 53 #pragma mark - 配置数据源 54 /** 55 * @return 返回显示行数 56 */ 57 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section 58 { 59 return self.datas.count; 60 } 61 /** 62 * 显示内容 63 */ 64 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 65 { 66 static NSString *identify = @"cell"; 67 UITableViewCell *cell = [self.table dequeueReusableCellWithIdentifier:identify]; 68 if (cell == nil) { 69 cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identify]; 70 } 71 cell.textLabel.text = self.datas[indexPath.row]; 72 return cell; 73 } 74 /** 75 * 每次下拉刷新，就添加新数据 76 */ 77 - (void)refreshControlChange:(UIRefreshControl *)sender 78 { 79 static int count = 1; 80 NSString *str = [NSString stringWithFormat:@"第%d次加数据",count]; 81 NSArray *array = @[str]; 82 NSMutableArray *newArray = [array mutableCopy]; 83 [newArray addObjectsFromArray:self.datas]; 84 self.datas = newArray; 85 count++; 86 /** UITableView重新加载 */ 87 [self.table reloadData]; 88 /** 结束刷新 */ 89 [self.refreshControl endRefreshing]; 90 } 91 @end
刷新前 刷新后
