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[°³¹ß Tip] Wifi ¿¬°á »óÅ °¨ÁöÇϱâ
7³â Àü
private IntentFilter mWifiFilter;
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        mWifiFilter = new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION);
        mWifiFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
        mWifiFilter.addAction(WifiManager.RSSI_CHANGED_ACTION);
        registerReceiver(mWifiReceiver, mWifiFilter);
    }
    
    
   private final BroadcastReceiver mWifiReceiver = new BroadcastReceiver() {
    NetworkInfo info;
    
        @Override
        public void onReceive(Context context, Intent intent) {
            final String action = intent.getAction();
        
            if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
              info = (NetworkInfo) intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
               if(info.getState().equals(State.CONNECTED)){
              // Wi-Fi : ¿¬°áµÊ
               }
            }
            else if(action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) {
               onWifiStateChanged(intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
                         WifiManager.WIFI_STATE_UNKNOWN));
            }  
        }
    };
  protected void onWifiStateChanged(int intExtra) {
      WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
        if(wifi.isWifiEnabled()){
          // Wi-Fi, ON Brodcast
        }
        else
        {
          // Wi-Fi : ÇØÁ¦µÊ
        }      

    
  }

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