iOS常见crash整理

发表于

1.网络类

表现
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*** Assertion failure in -[AFJSONRequestSerializer requestWithMethod:URLString:parameters:error:]
解决方案: url中包含中文时候需要转码
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NSString *encoded = [link stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
或者
stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]

2.UI类

表现
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invalid mode 'kCFRunLoopCommonModes' provided to CFRunLoopRunSpecific - break on _CFRunLoopError_Run
解决方案: 退出页面时需要移除监听observe
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[_footerView.scrollView removeObserver:self forKeyPath:@"contentSize"];