The obvious way to get the IP-Address of your device simply doesn’t work on Android.

The first thing I tried was using the WifiInfo.

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WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int ipAddress = wifiInfo.getIpAddress();

But wait: ipAddress is an integer? Of course not. I also did the math but couldn’t find a way to get the IP out of this integer. So thats not the right way.
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