iOS & Mopub : app freezes when loading ad on a slow network
<p><p>我的代码如下所示，如入门指南中所述，请参阅链接:
<a href="http://help.mopub.com/customer/portal/articles/82831-start-guide" rel="noreferrer noopener nofollow">http://help.mopub.com/customer/portal/articles/82831-start-guide</a> </p>
<pre><code>- (void)viewDidLoad {
self.adView = [ initWithAdUnitId:@"xxx" size:MOPUB_BANNER_SIZE];
self.adView.delegate = self;
self.adView.frame = CGRectMake(0, self.view.bounds.size.height - MOPUB_BANNER_SIZE.height, MOPUB_BANNER_SIZE.width, MOPUB_BANNER_SIZE.height);
self.adView.keywords = keywords;
;
;
;
}
</code></pre>
<p>问题是当我启动应用程序时，它会启动 viewDidLoad 函数来加载广告。当网络非常慢或不存在时，广告的加载将卡住应用程序的执行约 20 秒。这是 Not Acceptable 行为。
有解决办法吗？</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>您可以尝试将 loadAd 方法链接到计时器或更好地使用基于 block 的可达性。
您可以从 <a href="https://github.com/tonymillion/Reachability" rel="noreferrer noopener nofollow">here</a> 获得可达性.</p>
<pre><code>// in view header file
NSTimer * aTimer;
//in implementation
-(void)viewDidLoad
{
...
;
;
;
...
}
-(void) loadAdIfReachable{
// Allocate a reachability object
Reachability* reach = ;
// Set the blocks
reach.reachableBlock = ^(Reachability*reach)
{
NSLog(@"REACHABLE!");
;
;
};
}
</code></pre></p>
<p style="font-size: 20px;">关于iOS & Mopub : app freezes when loading ad on a slow network，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/18013603/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/18013603/
</a>
</p>
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