iOS 开发，判断手机WiFi是否打开及获取WiFi名称
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<pre><code>- (BOOL)isWiFiEnabled {
NSCountedSet * cset = ;
struct ifaddrs *interfaces;
if(!getifaddrs(&interfaces)){
for( struct ifaddrs *interface = interfaces; interface; interface = interface->ifa_next) {
if ( (interface->ifa_flags & IFF_UP) == IFF_UP ) {
];
}
}
}
return > 1 ? YES : NO;
}
</code></pre>
<h3 id="获取wifi名称">获取WiFi名称</h3>
<pre><code>- (NSString *)getWiFiName {
if (@available(iOS 13.0, *)) {
//用户明确拒绝，可以弹窗提示用户到设置中手动打开权限
if ( == kCLAuthorizationStatusDenied) {
NSLog(@"User has explicitly denied authorization for this application, or location services are disabled in Settings.");
//使用下面接口可以打开当前应用的设置页面
//[ openURL:];
return nil;
}
CLLocationManager* cllocation = [ init];
if(! || == kCLAuthorizationStatusNotDetermined){
//弹框提示用户是否开启位置权限
;
usleep(50);
//递归等待用户选选择
//return ;
}
}
NSString *wifiName = nil;
CFArrayRef wifiInterfaces = CNCopySupportedInterfaces();
if (!wifiInterfaces) {
return nil;
}
NSArray *interfaces = (__bridge NSArray *)wifiInterfaces;
for (NSString *interfaceName in interfaces) {
CFDictionaryRef dictRef = CNCopyCurrentNetworkInfo((__bridge CFStringRef)(interfaceName));
if (dictRef) {
NSDictionary *networkInfo = (__bridge NSDictionary *)dictRef;
NSLog(@"network info -> %@", networkInfo);
wifiName = ;
CFRelease(dictRef);
}
}
CFRelease(wifiInterfaces);
return wifiName;
}
</code></pre>
<h5 id="注意">注意</h5>
<h6 id="需要引入的头文件">需要引入的头文件</h6>
<pre><code>#import <ifaddrs.h>
#import <net/if.h>
#import <SystemConfiguration/CaptiveNetwork.h>
</code></pre>
<h6 id="infoplist-文件需要配置获取的权限">info.plist 文件需要配置获取的权限</h6>
<pre><code>Privacy - Location Always Usage Description
Privacy - Location When In Use Usage Description
</code></pre>
<p>iOS 13 以后<br>
获取WiFi名称，必须要先允许获取定位信息</p>
<p>原文作者：深海谢先生</p>
<p>原文地址：https://blog.csdn.net/m0_50752541/article/details/110481171?ops_request_misc=%25257B%252522request%25255Fid%252522%25253A%252522160741070019215668868668%252522%25252C%252522scm%252522%25253A%25252220140713.130102334.pc%25255Fall.%252522%25257D&request_id=160741070019215668868668&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2<sub>all</sub>first_rank_v2~rank_v29-6-110481171.pc_search_result_cache&utm_term=iOS%E5%BC%80%E5%8F%91</p><br><br>
来源：https://www.cnblogs.com/fadaijun/p/14103303.html
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