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iOSで下に引っ張って更新するやつの作り方

More than 3 years have passed since last update.

概要

Twitterなどでよく見かける引っ張って更新するやつの実装方法です。
実装には「UIRefreshControl」を使用します。

実装

ロジックとしては、UIRefleshControlインスタンスを作成し、UITableViewに対してaddSubViewをするだけです。
以下そのコードとなります。

RefleshControlSample.m
- (void)refleshControlSetting
{
    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
    [refreshControl addTarget:self
                       action:@selector(onRefresh:)
             forControlEvents:UIControlEventValueChanged];
    [self.tableView addSubview:refreshControl];
}

- (void)onRefresh:(UIRefreshControl *)refreshControl
{
    [refreshControl beginRefreshing];
    // ここの間に更新のロジックを書く
    [refreshControl endRefreshing];
}

参考

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