objective-c - 使用哈希标签搜索打开 native Twitter 应用程序

Question

在 iOS 5 上，我试图打开一个带有动态主题标签搜索词的本地 Twitter 应用程序。

我试过:

- (void)openForHashTag:(NSString *)hashTag {
UIApplication *app = [UIApplication sharedApplication];

NSURL *twitterURL = [NSURL URLWithString:[NSString stringWithFormat:@"twitter://search?q=%@", hashTag]];
DLog(@"Hashtag URL: %@ ", twitterURL);

if ([app canOpenURL:twitterURL]) {
    [app openURL:twitterURL];
}
else {
    NSURL *safariURL = [NSURL URLWithString:[NSString stringWithFormat:@"http://mobile.twitter.com/search?q=%@", hashTag]];
    [app openURL:safariURL];
}

它似乎转到了主题标签搜索页面，但一直在加载... twitter://search?q=%@ 格式不对吗？

Answer 1

- (void)openForHashTag:(NSString *)hashTag {
    UIApplication *app = [UIApplication sharedApplication];

    // NOTE: you must percent escape the query (# becomes %23)
    NSString *cleanQuery = [hashTag stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    NSURL *twitterURL = [NSURL URLWithString:[NSString stringWithFormat:@"twitter://search?query=%@", cleanQuery]];
    if ([app canOpenURL:twitterURL]) {
        [app openURL:twitterURL];
    } else {
        NSURL *safariURL = [NSURL URLWithString:[NSString stringWithFormat:@"http://mobile.twitter.com/search?q=%@", cleanQuery]];
        [app openURL:safariURL];
    }
}