iOS Bug---iPhone X闪退(UIStatusBar_Modern 0x7fb8eee05a00)

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在iPhone X手机 wifi情况下,启动时候闪退,在4G网络时候不闪退。这是项目中使用状态栏中图标判断当前网络的具体状态,而 iPhone X手机状态栏和其他版本手机存在差异,状态栏是多嵌套了一层,所以在读取时候需要注意。可以在代码里面搜索 foregroundView 这个关键字,找到位置进行必要修改。

Error:

[<UIStatusBar_Modern 0x7fb8eee05a00> valueForUndefinedKey:]: this class is not key value coding-compliant for the key foregroundView.


解决方法:

/*!
 * 获取当前网络类型
 * 通过statusBar的网络subview获取具体类型
 */
+ (NETWORK_TYPE)SDKgetNetworkTypeFromStatusBar{

    NSArray *subviews;   
    if([[[UIApplication sharedApplication] valueForKeyPath:@"_statusBar"] isKindOfClass:NSClassFromString(@"UIStatusBar_Modern")]) {
        // iPhone X
        subviews = [[[[[UIApplication sharedApplication] valueForKeyPath:@"_statusBar"] valueForKeyPath:@"_statusBar"] valueForKeyPath:@"foregroundView"] subviews];
        
    } else{
        subviews = [[[[UIApplication sharedApplication] valueForKeyPath:@"_statusBar"] valueForKeyPath:@"foregroundView"] subviews];
    }
    
//    NSArray *subviews = [[[[UIApplication sharedApplication] valueForKey:@"statusBar"]valueForKey:@"foregroundView"] subviews];
    NSNumber *dataNetworkItemView = nil;
    for (id subview in subviews) {
        if ([subview isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) {
            dataNetworkItemView = subview;
            break;
        }
    }
    NETWORK_TYPE nettype = NETWORK_TYPE_NONE;
    NSNumber *num = [dataNetworkItemView valueForKey:@"dataNetworkType"];
    switch ([num intValue]) {
        case 0:
            nettype = NETWORK_TYPE_NONE;
            break;
        case 1:
            nettype = NETWORK_TYPE_2G;
            break;
        case 2:
            nettype = NETWORK_TYPE_3G;
            break;
        case 3:
            nettype = NETWORK_TYPE_4G;
            break;
        default:
            nettype = NETWORK_TYPE_WIFI;
            break;
    }
    return nettype;
}


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