When I call mWifiManager.isWifiEnabled() , program is crash.
my Code is:
---------------------------------------------
import android.app.Activity;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.util.Log;
public class HelloWIFI extends Activity {
/** Called when the activity is first created. */
private WifiManager mWifiManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mWifiManager =
(WifiManager)this.getSystemService(this.WIFI_SERVICE);
Log.i("INFO", "WifiState = " + mWifiManager.getWifiState());
if (mWifiManager.isWifiEnabled())
{
Log.i("INFO", "WIFI is enable");
}
else
{
Log.w("Warning", "WIFI is NOT enable");
}
mWifiManager.setWifiEnabled(true);
mWifiManager.startScan();
for (ScanResult result:mWifiManager.getScanResults())
{
Log.i("INFO", "ScanResult:" + result.toString());
}
}
}
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