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LaunchImage 中添加一个和 iPhone X 相关的启动图片 【图片尺寸：1125 * 2436 】
safe area
WKWebViewJavascriptBridge
// 原贴地址：https://github.com/marcuswestin/WebViewJavascriptBridge/issues/278
- (void)webView:(WKWebView *)webView
decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
// ……
// Xcode 升级到9后 WKWebViewJavascriptBridge.m 中有个 bug
// 需要在"decisionHandler(WKNavigationActionPolicyCancel);"后加上 return，否则崩溃。
// 不升级 Xcode 的话，没问题。
decisionHandler(WKNavigationActionPolicyCancel);
return;
}
automaticallyAdjustsScrollViewInsets
#define adjustsScrollViewInsets_NO(scrollView,vc)\
do { \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Warc-performSelector-leaks\"") \
if ([UIScrollView instancesRespondToSelector:NSSelectorFromString(@"setContentInsetAdjustmentBehavior:")]) {\
[scrollView performSelector:NSSelectorFromString(@"setContentInsetAdjustmentBehavior:") withObject:@(2)];\
} else {\
vc.automaticallyAdjustsScrollViewInsets = NO;\
}\
_Pragma("clang diagnostic pop") \
} while (0)
iPhoneX底部tabbar的高度改变
iphoneX底部多出34P，系统会自动适配
