Fix mobile data button in power widget.

import android.content.IntentFilter;

import android.content.SharedPreferences;

import android.net.ConnectivityManager;

import android.net.Uri;

import android.provider.Settings;

import com.android.internal.telephony.TelephonyIntents;

import java.util.ArrayList;

import java.util.List;

public class MobileDataButton extends PowerButton {

    public static final String ACTION_MODIFY_NETWORK_MODE = "com.android.internal.telephony.MODIFY_NETWORK_MODE";

    public static final String EXTRA_NETWORK_MODE = "networkMode";

    private static final List<Uri> OBSERVED_URIS = new ArrayList<Uri>();

    static {

        OBSERVED_URIS.add(Settings.Global.getUriFor(Settings.Global.MOBILE_DATA));

    }

    public MobileDataButton() { mType = BUTTON_MOBILEDATA; }

    @Override

        return filter;

    }

    @Override

    protected List<Uri> getObservedUris() {

        return OBSERVED_URIS;

    }

    private boolean getDataState(Context context) {

        ConnectivityManager cm = (ConnectivityManager) context

            .getSystemService(Context.CONNECTIVITY_SERVICE);