Difference between revisions of "MobileWiFi.framework"

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(Remove useless code)
(Add WiFi signal strength)
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'''MobileWiFi''' is the framework that manages WiFi functionality on iOS. It replaces the obsolete '''Apple80211''' framework. MobileWiFi.framework has a C API, and a unfinished reverse-engineered header is available [https://gist.github.com/Cykey/5007313 here].
 
'''MobileWiFi''' is the framework that manages WiFi functionality on iOS. It replaces the obsolete '''Apple80211''' framework. MobileWiFi.framework has a C API, and a unfinished reverse-engineered header is available [https://gist.github.com/Cykey/5007313 here].
  
== Retrieve a list of known networks ==
+
== Retrieving a list of known networks ==
 
<source lang="c">
 
<source lang="c">
 +
#include <MobileWiFi.h>
 +
 
WiFiManagerRef manager = WiFiManagerClientCreate();
 
WiFiManagerRef manager = WiFiManagerClientCreate();
  
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CFRelease(manager);
 
CFRelease(manager);
 
CFRelease(networks);
 
CFRelease(networks);
 +
</source>
 +
== Getting the WiFi signal strength ==
 +
<source lang="c">
 +
#include <math.h>
 +
#include <MobileWiFi.h>
 +
 +
// We're not using the manager here but you need to create one for this code to work.
 +
WiFiManagerRef manager = WiFiManagerClientCreate();
 +
CFArrayRef devices = WiFiManagerClientCopyDevices();
 +
 +
WiFiDeviceClientRef client = (WiFiDeviceClientRef)CFArrayGetValueAtIndex(devices, 0);
 +
CFNumberRef RSSI = (CFNumberRef)WiFiDeviceClientCopyProperty(client, kWiFiScaledRSSIKey);
 +
 +
float strength;
 +
CFNumberGetValue(RSSI, kCFNumberFloatType, &strength);
 +
 +
strength = strength * 100;
 +
 +
// Round to the nearest integer.
 +
strength = ceilf(strength);
 +
 +
// Convert to a negative number.
 +
strength = strength * -1;
 +
 +
NSLog(@"WiFi signal strength: %f dBm", strength);
 +
 +
CFRelease(RSSI);
 +
CFRelease(devices);
 +
CFRelease(manager);
 +
 
</source>
 
</source>
 
{{Navbox Frameworks}}
 
{{Navbox Frameworks}}

Revision as of 16:23, 22 February 2013

MobileWiFi.framework
Private Framework
Availabile 3.0 – present


MobileWiFi is the framework that manages WiFi functionality on iOS. It replaces the obsolete Apple80211 framework. MobileWiFi.framework has a C API, and a unfinished reverse-engineered header is available here.

Retrieving a list of known networks

#include <MobileWiFi.h>

WiFiManagerRef manager = WiFiManagerClientCreate();

CFArrayRef networks = WiFiManagerClientCopyNetworks(manager);

NSLog(@"networks: %@", networks);

CFRelease(manager);
CFRelease(networks);

Getting the WiFi signal strength

#include <math.h>
#include <MobileWiFi.h>

// We're not using the manager here but you need to create one for this code to work.
WiFiManagerRef manager = WiFiManagerClientCreate();
CFArrayRef devices = WiFiManagerClientCopyDevices();

WiFiDeviceClientRef client = (WiFiDeviceClientRef)CFArrayGetValueAtIndex(devices, 0);
CFNumberRef RSSI = (CFNumberRef)WiFiDeviceClientCopyProperty(client, kWiFiScaledRSSIKey);

float strength;
CFNumberGetValue(RSSI, kCFNumberFloatType, &strength);

strength = strength * 100;

// Round to the nearest integer.
strength = ceilf(strength);

// Convert to a negative number.
strength = strength * -1;

NSLog(@"WiFi signal strength: %f dBm", strength);

CFRelease(RSSI);
CFRelease(devices);
CFRelease(manager);