Bring back the Android Beam settings panel.

Bug: 5350022
Change-Id: I22d2c6f91f7ab86501021fe97a2d57b109ed10bf

src/com/android/settings/nfc/AndroidBeam.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.settings.nfc;
+
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.Fragment;
+import android.nfc.NfcAdapter;
+import android.os.Bundle;
+import android.os.Handler;
+import android.preference.PreferenceActivity;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CompoundButton;
+import android.widget.ImageView;
+import android.widget.Switch;
+import com.android.settings.R;
+
+public class AndroidBeam extends Fragment
+        implements CompoundButton.OnCheckedChangeListener {
+    private View mView;
+    private ImageView mImageView;
+    private NfcAdapter mNfcAdapter;
+    private Switch mActionBarSwitch;
+
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Activity activity = getActivity();
+
+        mActionBarSwitch = new Switch(activity);
+
+        if (activity instanceof PreferenceActivity) {
+            PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
+            if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
+                final int padding = activity.getResources().getDimensionPixelSize(
+                        R.dimen.action_bar_switch_padding);
+                mActionBarSwitch.setPadding(0, 0, padding, 0);
+                activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
+                        ActionBar.DISPLAY_SHOW_CUSTOM);
+                activity.getActionBar().setCustomView(mActionBarSwitch, new ActionBar.LayoutParams(
+                        ActionBar.LayoutParams.WRAP_CONTENT,
+                        ActionBar.LayoutParams.WRAP_CONTENT,
+                        Gravity.CENTER_VERTICAL | Gravity.RIGHT));
+                activity.getActionBar().setTitle(R.string.android_beam_settings_title);
+            }
+        }
+
+        mActionBarSwitch.setOnCheckedChangeListener(this);
+
+        mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
+        mActionBarSwitch.setChecked(mNfcAdapter.isNdefPushEnabled());
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        mView = inflater.inflate(R.layout.android_beam, container, false);
+        initView(mView);
+        return mView;
+    }
+
+    private void initView(View view) {
+        mActionBarSwitch.setOnCheckedChangeListener(this);
+        mActionBarSwitch.setChecked(mNfcAdapter.isNdefPushEnabled());
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) {
+        boolean success = false;
+        mActionBarSwitch.setEnabled(false);
+        if (desiredState) {
+            success = mNfcAdapter.enableNdefPush();
+        } else {
+            success = mNfcAdapter.disableNdefPush();
+        }
+        if (success) {
+            mActionBarSwitch.setChecked(desiredState);
+        }
+        mActionBarSwitch.setEnabled(true);
+    }
+}