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Android: switch wifi on/off
public void toggleWifi() {
// Get the WifiManager service from the context
WifiManager wm = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);
// Read the current state. True is On, False is Off
boolean currentState = wm.isWifiEnabled();
// And now, switch to the other state
// You're done :)
// Note that it can take some time for the wifi to reconnect
// when you switch it on.
<!-- Add these permissions to your android manifest -->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
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