Develop Reference

Android SupplicantState returns COMPLETED after disconnecting from network

The problem:
When I connect to wifi, and then disconnect, the following code gives me SupplicantState.COMPLETED
SupplicantState supState;
WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
supState = wifiInfo.getSupplicantState();

Trigger update of ScanResult android wifi

Is it possible to trigger an update of the scan result for wifi on an Android phone? So when you use the example code below you dont get cashed values.
WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
List<ScanResult> results = wifiManager.getScanResults();

WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
wifiManager.startScan();
List<ScanResult> results = wifiManager.getScanResults();

Forgot network not working in Android Marshmallow?

I am using below code to remove or forgot configure Wi-Fi network:
WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
wifiManager.removeNetwork(networkID);
but its not working in os 6.0, please suggest?

You should use like this:
WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
int networkId = wifiManager.getConnectionInfo().getNetworkId();
wifiManager.removeNetwork(networkId);
wifiManager.saveConfiguration();
Hope it will helps you !!

Android Mobile number and Wi-Fi MAC address

I want to know Mobile number and Wi-Fi-Address .Howis this possible.Can anyone Help me

try this for Mobile Number
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
// get IMEI
String imei = tm.getDeviceId();
String phone = tm.getLine1Number();
but its not always reliable on for example non phone device. You will also need to add permision "android.permission.READ_PHONE_STATE".
for MAC address
WifiManager wfManager;
WifiInfo wifiinfo;
wfManager = (WifiManager)getSystemService(Context.WIFI_SERVICE);
wifiinfo = wfManager.getConnectionInfo();
String MAC = wifiinfo.getMacAddress();

public String getMAC() {
wifimanager= (WifiManager)getSystemService(Context.WIFI_SERVICE);
wifiinfo = wifimanager.getConnectionInfo();
MAC=wifiinfo.getMacAddress();
System.out.println("MAC address info---- "+MAC);
Toast.makeText(getApplicationContext(), "MAC address:"+MAC , Toast.LENGTH_LONG).show();
if(MAC==null){
MAC="1A:DC:5C:8E:15:7B";
}
return MAC;
}

how to get macid and mobile number only in android mobile device not in database

how to get macid and mobile number only in android mobile device not in database

try this
WifiManager manager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = manager.getConnectionInfo();
String MACAddress = wifiInfo.getMacAddress();