From 9fab2ecded08f03e3f093326954f8f7b433d4313 Mon Sep 17 00:00:00 2001
From: Mohammad Abu-Garbeyyeh <mohammad7410@gmail.com>
Date: Sun, 27 Oct 2013 15:36:32 +0200
Subject: [PATCH 1/3] Implemented NFC Quick Settings tile

---
 res/drawable-hdpi/ic_qs_nfc_off.png           | Bin 0 -> 4117 bytes
 res/drawable-hdpi/ic_qs_nfc_on.png            | Bin 0 -> 4122 bytes
 res/drawable-mdpi/ic_qs_nfc_off.png           | Bin 0 -> 3595 bytes
 res/drawable-mdpi/ic_qs_nfc_on.png            | Bin 0 -> 3630 bytes
 res/drawable-xhdpi/ic_qs_nfc_off.png          | Bin 0 -> 4710 bytes
 res/drawable-xhdpi/ic_qs_nfc_on.png           | Bin 0 -> 4661 bytes
 res/layout/quick_settings_tile_nfc.xml        |  24 +++
 res/values/arrays.xml                         |   4 +
 res/values/strings.xml                        |   3 +
 .../ceco/gm2/gravitybox/ModQuickSettings.java |  10 +-
 src/com/ceco/gm2/gravitybox/Utils.java        |  15 ++
 .../gm2/gravitybox/quicksettings/NfcTile.java | 177 ++++++++++++++++++
 12 files changed, 232 insertions(+), 1 deletion(-)
 create mode 100644 res/drawable-hdpi/ic_qs_nfc_off.png
 create mode 100644 res/drawable-hdpi/ic_qs_nfc_on.png
 create mode 100644 res/drawable-mdpi/ic_qs_nfc_off.png
 create mode 100644 res/drawable-mdpi/ic_qs_nfc_on.png
 create mode 100644 res/drawable-xhdpi/ic_qs_nfc_off.png
 create mode 100644 res/drawable-xhdpi/ic_qs_nfc_on.png
 create mode 100644 res/layout/quick_settings_tile_nfc.xml
 create mode 100644 src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java

diff --git a/res/drawable-hdpi/ic_qs_nfc_off.png b/res/drawable-hdpi/ic_qs_nfc_off.png
new file mode 100644
index 0000000000000000000000000000000000000000..9f5ad63fc4ba61c1f74f1d4552c5ccd2a58ce8b5
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diff --git a/res/drawable-hdpi/ic_qs_nfc_on.png b/res/drawable-hdpi/ic_qs_nfc_on.png
new file mode 100644
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diff --git a/res/drawable-xhdpi/ic_qs_nfc_off.png b/res/drawable-xhdpi/ic_qs_nfc_off.png
new file mode 100644
index 0000000000000000000000000000000000000000..d660b8780e988b6170594772d94bd28cf5294fbf
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diff --git a/res/drawable-xhdpi/ic_qs_nfc_on.png b/res/drawable-xhdpi/ic_qs_nfc_on.png
new file mode 100644
index 0000000000000000000000000000000000000000..fc1093c3814ee9ac475a5cbfe30729ee21273444
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/res/layout/quick_settings_tile_nfc.xml b/res/layout/quick_settings_tile_nfc.xml
new file mode 100644
index 0000000000..d10d58bbb9
--- /dev/null
+++ b/res/layout/quick_settings_tile_nfc.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2012 The Android Open Source Project
+     Copyright (C) 2013 Peter Gregus for GravityBox Project (C3C076@xda)
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<TextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/TextAppearance.QuickSettings.TileView"
+    android:id="@+id/nfc_tileview"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center"
+    android:gravity="center" />
\ No newline at end of file
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index b2b341719e..d3bcef12cf 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -83,6 +83,7 @@
         <item>@string/qs_tile_bluetooth</item>
         <item>@string/qs_tile_gps</item>
         <item>@string/qs_tile_gps_alt</item>
+        <item>@string/qs_tile_nfc</item>
         <item>@string/qs_tile_mobile_data</item>
         <item>@string/qs_tile_network_mode</item>
         <item>@string/qs_tile_data_usage</item>
@@ -113,6 +114,7 @@
         <item>bluetooth_textview</item>
         <item>gps_textview</item>
         <item>gps_tileview</item>
+        <item>nfc_tileview</item>
         <item>data_conn_textview</item>
         <item>network_mode_tileview</item>
         <item>rssi_textview</item>
@@ -145,6 +147,7 @@
         <item>@string/qs_tile_airplane_mode</item>
         <item>@string/qs_tile_bluetooth</item>
         <item>@string/qs_tile_gps</item>
+        <item>@string/qs_tile_nfc</item>
         <item>@string/qs_tile_ringer_mode</item>
         <item>@string/qs_tile_volume</item>
         <item>@string/qs_tile_network_mode</item>
@@ -171,6 +174,7 @@
         <item>airplane_mode_textview</item>
         <item>bluetooth_textview</item>
         <item>gps_tileview</item>
+        <item>nfc_tileview</item>
         <item>ringer_mode_tileview</item>
         <item>volume_tileview</item>
         <item>network_mode_tileview</item>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 3c2abedda6..1ac7ea34bf 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -99,6 +99,8 @@
     <string name="quick_settings_wifi_off">Wi-Fi off</string>
     <string name="quick_settings_wifi_not_connected">Not connected</string>
     <string name="quick_settings_wifi_turning_on">Turning on&#8230;</string>
+    <string name="quick_settings_nfc">NFC</string>
+    <string name="quick_settings_nfc_off">NFC off</string>
 
     <!--  QuickSettings settings -->
     <string name="quick_settings_title">Statusbar QuickSettings tiles</string>
@@ -129,6 +131,7 @@
     <string name="qs_tile_expanded_desktop">Expanded desktop</string>
     <string name="qs_tile_stay_awake">Stay awake</string>
     <string name="qs_tile_screenshot">Screenshot</string>
+    <string name="qs_tile_nfc">NFC</string>
 
     <!-- Color Picker -->
     <string name="dialog_color_picker">Color Picker</string>
diff --git a/src/com/ceco/gm2/gravitybox/ModQuickSettings.java b/src/com/ceco/gm2/gravitybox/ModQuickSettings.java
index a60648192b..1d5ed7f201 100644
--- a/src/com/ceco/gm2/gravitybox/ModQuickSettings.java
+++ b/src/com/ceco/gm2/gravitybox/ModQuickSettings.java
@@ -31,6 +31,7 @@
 import com.ceco.gm2.gravitybox.quicksettings.ExpandedDesktopTile;
 import com.ceco.gm2.gravitybox.quicksettings.GpsTile;
 import com.ceco.gm2.gravitybox.quicksettings.NetworkModeTile;
+import com.ceco.gm2.gravitybox.quicksettings.NfcTile;
 import com.ceco.gm2.gravitybox.quicksettings.QuickAppTile;
 import com.ceco.gm2.gravitybox.quicksettings.QuickRecordTile;
 import com.ceco.gm2.gravitybox.quicksettings.RingerModeTile;
@@ -152,7 +153,8 @@ public class ModQuickSettings {
             R.id.stay_awake_tileview,
             R.id.screenshot_tileview,
             R.id.gps_tileview,
-            R.id.ringer_mode_tileview
+            R.id.ringer_mode_tileview,
+            R.id.nfc_tileview
         ));
         if (Utils.isMtkDevice()) {
             mCustomGbTileKeys.add(R.id.wifi_tileview);
@@ -594,6 +596,12 @@ protected void afterHookedMethod(final MethodHookParam param) throws Throwable {
                     gpsTile.setupQuickSettingsTile(mContainerView, inflater, mPrefs);
                     mTiles.add(gpsTile);
                 }
+                
+                if (Utils.hasNFC(mContext)) {
+                    NfcTile nfcTile = new NfcTile(mContext, mGbContext, mStatusBar, mPanelBar);
+                    nfcTile.setupQuickSettingsTile(mContainerView, inflater);
+                    mTiles.add(nfcTile);
+                }
 
                 RingerModeTile rmTile = new RingerModeTile(mContext, mGbContext, mStatusBar, mPanelBar);
                 rmTile.setupQuickSettingsTile(mContainerView, inflater, mPrefs);
diff --git a/src/com/ceco/gm2/gravitybox/Utils.java b/src/com/ceco/gm2/gravitybox/Utils.java
index e1ba819b88..84da6a5edd 100644
--- a/src/com/ceco/gm2/gravitybox/Utils.java
+++ b/src/com/ceco/gm2/gravitybox/Utils.java
@@ -52,6 +52,7 @@ public class Utils {
     private static Boolean mHasVibrator = null;
     private static Boolean mHasFlash = null;
     private static Boolean mHasGPS = null;
+    private static Boolean mHasNFC = null;
 
     // Supported MTK devices
     private static final Set<String> MTK_DEVICES = new HashSet<String>(Arrays.asList(
@@ -214,6 +215,20 @@ public static boolean hasGPS(Context con) {
         }
     }
 
+    public static boolean hasNFC(Context con) {
+        if (mHasNFC != null) return mHasNFC;
+        PackageManager pm = con.getPackageManager();
+        if (pm == null) {
+            if (DEBUG) log("Cannot get package manager, assuming no NFC feature");
+            mHasNFC = null;
+            return false;
+        }
+
+        mHasNFC = pm.hasSystemFeature(PackageManager.FEATURE_NFC);
+
+        return mHasNFC;
+    }
+
     public static String getDeviceCharacteristics() {
         if (mDeviceCharacteristics != null) return mDeviceCharacteristics;
 
diff --git a/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
new file mode 100644
index 0000000000..c8ed657fa9
--- /dev/null
+++ b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
@@ -0,0 +1,177 @@
+package com.ceco.gm2.gravitybox.quicksettings;
+
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.XposedHelpers;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.nfc.NfcAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import com.ceco.gm2.gravitybox.R;
+
+public class NfcTile extends AQuickSettingsTile {
+
+    private static final boolean DEBUG = true;
+
+    private static final String INTENT_ADAPTER_STATE_CHANGED = "android.nfc.action.ADAPTER_STATE_CHANGED";
+    private static final String INTENT_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
+
+    private static final int STATE_TURNING_ON = XposedHelpers.getStaticIntField(NfcAdapter.class, "STATE_TURNING_ON");
+    private static final int STATE_ON = XposedHelpers.getStaticIntField(NfcAdapter.class, "STATE_ON");
+    @SuppressWarnings("unused")
+    private static final int STATE_TURNING_OFF = XposedHelpers.getStaticIntField(NfcAdapter.class, "STATE_TURNING_OFF");
+    private static final int STATE_OFF = XposedHelpers.getStaticIntField(NfcAdapter.class, "STATE_OFF");
+    private static final int NFC_ADAPTER_UNKNOWN = -100;
+
+    private static final String TAG = "GB:NfcTile";
+
+    private static NfcAdapter mNfcAdapter = null;
+
+    /* TODO: Remove log lines, the way we build the Strings uses operators and such */
+    private void log(String message) {
+        if (!DEBUG) return;
+        XposedBridge.log(TAG + ": " + message);
+    }
+
+    private BroadcastReceiver mNfcStateChangedReceiver = new BroadcastReceiver() {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (INTENT_ADAPTER_STATE_CHANGED.equals(intent.getAction())) {
+                if (mNfcAdapter == null)
+                    tryToGetNfcAdapter(true);
+                updateTile(getNfcState());
+            }
+        }
+    };
+
+    private TextView mTextView;
+
+    public NfcTile(Context context, Context gbContext, Object statusBar, Object panelBar) {
+        super(context, gbContext, statusBar, panelBar);
+        log("Initializing NFC tile");
+
+        mOnClick = new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                toggleState();
+            }
+        };
+
+        mOnLongClick = new View.OnLongClickListener() {
+
+            @Override
+            public boolean onLongClick(View v) {
+                Intent intent = new Intent(INTENT_NFC_SETTINGS);
+                intent.addCategory(Intent.CATEGORY_DEFAULT);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                startActivity(intent);
+                return true;
+            }
+        };
+    }
+
+    private void toggleState() {
+        log("toggleState()");
+        int state = getNfcState();
+        /* For some reason, a switch-case way of handling this didn't work */
+
+        if (mNfcAdapter == null)
+            tryToGetNfcAdapter(true);
+
+        if (mNfcAdapter == null) {
+            log("toggleState(): mNfcAdapter is null, returning");
+            return;
+        }
+
+        if (state == STATE_TURNING_ON || state == STATE_ON)
+            XposedHelpers.callMethod(mNfcAdapter, "disable");
+        else
+            XposedHelpers.callMethod(mNfcAdapter, "enable");
+
+        updateTile();
+    }
+
+    @Override
+    protected void onTileCreate() {
+        LayoutInflater inflater = LayoutInflater.from(mGbContext);
+        inflater.inflate(R.layout.quick_settings_tile_nfc, mTile);
+        mTextView = (TextView) mTile.findViewById(R.id.nfc_tileview);
+
+        mTextView.setText(mLabel);
+        mTextView.setCompoundDrawablesWithIntrinsicBounds(0, mDrawableId, 0, 0);
+    }
+
+    @Override
+    protected void updateTile() {
+        updateTile(getNfcState());
+    }
+
+    private void updateTile(int state) {
+        if (state == STATE_TURNING_ON || state == STATE_ON) {
+            mDrawableId = R.drawable.ic_qs_nfc_on;
+            mLabel = mGbContext.getString(R.string.quick_settings_nfc);
+        } else {
+            mDrawableId = R.drawable.ic_qs_nfc_off;
+            mLabel = mGbContext.getString(R.string.quick_settings_nfc_off);
+        }
+
+        if (mTextView != null) {
+            mTextView.setText(mLabel);
+            mTextView.setCompoundDrawablesWithIntrinsicBounds(0, mDrawableId, 0, 0);
+        }
+    }
+
+    @Override
+    public void updateResources() {
+        updateTile(getNfcState());
+    }
+
+    private int getNfcState() {
+        log("getNfcState()");
+        int state = STATE_OFF;
+        try {
+            tryToGetNfcAdapter(false);
+        } catch (UnsupportedOperationException e) {
+            state = NFC_ADAPTER_UNKNOWN;
+        }
+
+        if (mNfcAdapter != null)
+            state = (Integer) XposedHelpers.callMethod(mNfcAdapter, "getAdapterState");
+        else
+            log("getNfcState(): mNfcAdapter is null");
+
+        log("getNfcAdapter(): state is " + String.valueOf(state));
+
+        return state;
+    }
+
+    @Override
+    protected void onTilePostCreate() {
+        mContext.registerReceiver(mNfcStateChangedReceiver,
+                new IntentFilter(INTENT_ADAPTER_STATE_CHANGED));
+
+        super.onTilePostCreate();
+    }
+
+    private void tryToGetNfcAdapter(boolean suppressThrow) throws UnsupportedOperationException {
+        log("tryToGetNfcAdapter()");
+        if (mNfcAdapter == null) {
+            log("tryToGetNfcAdapter: adapter was indeed null");
+            try {
+                mNfcAdapter = (NfcAdapter) XposedHelpers.callStaticMethod(NfcAdapter.class, "getNfcAdapter", mContext);
+                log("tryToGetNfcAdapter: we got an adapter! Is it null? " + String.valueOf(mNfcAdapter == null));
+            } catch (UnsupportedOperationException e) {
+                if (!suppressThrow)
+                    throw e;
+            }
+        } else {
+            log("tryToGetNfcAdapter(): We already have an NFC adapter, returning");
+        }
+    }
+}

From 9a6b090264ac821cf13f1ff09c138c4e032a4e77 Mon Sep 17 00:00:00 2001
From: Mohammad Abu-Garbeyyeh <mohammad7410@gmail.com>
Date: Mon, 2 Dec 2013 14:42:23 +0200
Subject: [PATCH 2/3] Fixed NFC tile, removed logging code

---
 .../gm2/gravitybox/quicksettings/NfcTile.java | 48 +++++++------------
 1 file changed, 18 insertions(+), 30 deletions(-)

diff --git a/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
index c8ed657fa9..00d7765dcb 100644
--- a/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
+++ b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
@@ -1,7 +1,5 @@
 package com.ceco.gm2.gravitybox.quicksettings;
 
-import de.robv.android.xposed.XposedBridge;
-import de.robv.android.xposed.XposedHelpers;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -13,9 +11,9 @@
 
 import com.ceco.gm2.gravitybox.R;
 
-public class NfcTile extends AQuickSettingsTile {
+import de.robv.android.xposed.XposedHelpers;
 
-    private static final boolean DEBUG = true;
+public class NfcTile extends AQuickSettingsTile {
 
     private static final String INTENT_ADAPTER_STATE_CHANGED = "android.nfc.action.ADAPTER_STATE_CHANGED";
     private static final String INTENT_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
@@ -27,23 +25,18 @@ public class NfcTile extends AQuickSettingsTile {
     private static final int STATE_OFF = XposedHelpers.getStaticIntField(NfcAdapter.class, "STATE_OFF");
     private static final int NFC_ADAPTER_UNKNOWN = -100;
 
-    private static final String TAG = "GB:NfcTile";
+    @SuppressWarnings("unused")
+	private static final String TAG = "GB:NfcTile";
 
     private static NfcAdapter mNfcAdapter = null;
 
-    /* TODO: Remove log lines, the way we build the Strings uses operators and such */
-    private void log(String message) {
-        if (!DEBUG) return;
-        XposedBridge.log(TAG + ": " + message);
-    }
-
     private BroadcastReceiver mNfcStateChangedReceiver = new BroadcastReceiver() {
 
         @Override
         public void onReceive(Context context, Intent intent) {
             if (INTENT_ADAPTER_STATE_CHANGED.equals(intent.getAction())) {
                 if (mNfcAdapter == null)
-                    tryToGetNfcAdapter(true);
+                    getNfcAdapter(true);
                 updateTile(getNfcState());
             }
         }
@@ -53,7 +46,6 @@ public void onReceive(Context context, Intent intent) {
 
     public NfcTile(Context context, Context gbContext, Object statusBar, Object panelBar) {
         super(context, gbContext, statusBar, panelBar);
-        log("Initializing NFC tile");
 
         mOnClick = new View.OnClickListener() {
 
@@ -77,15 +69,13 @@ public boolean onLongClick(View v) {
     }
 
     private void toggleState() {
-        log("toggleState()");
         int state = getNfcState();
         /* For some reason, a switch-case way of handling this didn't work */
 
         if (mNfcAdapter == null)
-            tryToGetNfcAdapter(true);
+            getNfcAdapter(true);
 
         if (mNfcAdapter == null) {
-            log("toggleState(): mNfcAdapter is null, returning");
             return;
         }
 
@@ -133,20 +123,15 @@ public void updateResources() {
     }
 
     private int getNfcState() {
-        log("getNfcState()");
         int state = STATE_OFF;
         try {
-            tryToGetNfcAdapter(false);
+            getNfcAdapter(false);
         } catch (UnsupportedOperationException e) {
             state = NFC_ADAPTER_UNKNOWN;
         }
 
         if (mNfcAdapter != null)
             state = (Integer) XposedHelpers.callMethod(mNfcAdapter, "getAdapterState");
-        else
-            log("getNfcState(): mNfcAdapter is null");
-
-        log("getNfcAdapter(): state is " + String.valueOf(state));
 
         return state;
     }
@@ -159,19 +144,22 @@ protected void onTilePostCreate() {
         super.onTilePostCreate();
     }
 
-    private void tryToGetNfcAdapter(boolean suppressThrow) throws UnsupportedOperationException {
-        log("tryToGetNfcAdapter()");
-        if (mNfcAdapter == null) {
-            log("tryToGetNfcAdapter: adapter was indeed null");
+    private void getNfcAdapter(boolean suppressThrow) throws UnsupportedOperationException {
+        Class<?> ServiceManager;
+        try {
+            ServiceManager = Class.forName("android.os.ServiceManager");
+        } catch (ClassNotFoundException e1) {
+            e1.printStackTrace();
+            return;
+        }
+        
+        if (mNfcAdapter == null && XposedHelpers.callStaticMethod(ServiceManager, "getService", "nfc") != null) {
             try {
-                mNfcAdapter = (NfcAdapter) XposedHelpers.callStaticMethod(NfcAdapter.class, "getNfcAdapter", mContext);
-                log("tryToGetNfcAdapter: we got an adapter! Is it null? " + String.valueOf(mNfcAdapter == null));
+                mNfcAdapter = NfcAdapter.getDefaultAdapter(mContext);
             } catch (UnsupportedOperationException e) {
                 if (!suppressThrow)
                     throw e;
             }
-        } else {
-            log("tryToGetNfcAdapter(): We already have an NFC adapter, returning");
         }
     }
 }

From 11d651bd1cb816a990d90c452c0ad793580b8b1e Mon Sep 17 00:00:00 2001
From: Mohammad Abu-Garbeyyeh <mohammad7410@gmail.com>
Date: Mon, 2 Dec 2013 14:58:50 +0200
Subject: [PATCH 3/3] Removed unneeded override

---
 src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
index 00d7765dcb..257f2e4f02 100644
--- a/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
+++ b/src/com/ceco/gm2/gravitybox/quicksettings/NfcTile.java
@@ -26,7 +26,7 @@ public class NfcTile extends AQuickSettingsTile {
     private static final int NFC_ADAPTER_UNKNOWN = -100;
 
     @SuppressWarnings("unused")
-	private static final String TAG = "GB:NfcTile";
+    private static final String TAG = "GB:NfcTile";
 
     private static NfcAdapter mNfcAdapter = null;
 
@@ -117,11 +117,6 @@ private void updateTile(int state) {
         }
     }
 
-    @Override
-    public void updateResources() {
-        updateTile(getNfcState());
-    }
-
     private int getNfcState() {
         int state = STATE_OFF;
         try {