Add activities to support voice settings.

Adds Voice Interaction Activities for:
- Do not disturb mode (with interaction)
- Battery Saver mode
- Airplane mode

Change-Id: I4480dc3a30975d94b71714ff58fbeebddfbc1c58

src/com/android/settings/utils/VoiceSelectionAdapter.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2015 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.utils;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import android.app.Activity;
+import com.android.settings.R;
+
+import java.util.List;
+import android.util.Log;
+
+/**
+ * Array adapter for selecting an item by voice interaction. Each row includes a visual
+ * indication of the 1-indexed position of the item so that a user can easily say
+ * "number 4" to select it.
+ */
+public class VoiceSelectionAdapter extends ArrayAdapter<VoiceSelection> {
+    public VoiceSelectionAdapter(Context context, int resource, List<VoiceSelection> objects) {
+        super(context, resource, objects);
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        VoiceSelection item = getItem(position);
+        View row = convertView;
+        if (row == null) {
+            LayoutInflater inflater = ((Activity) getContext()).getLayoutInflater();
+            row = inflater.inflate(R.layout.voice_item_row, parent, false);
+        }
+
+        TextView label = (TextView) row.findViewById(R.id.voice_item_label);
+        if (label != null) {
+            label.setText(item.getLabel());
+        }
+
+        TextView positionLabel = (TextView) row.findViewById(R.id.voice_item_position);
+        if (positionLabel != null) {
+            positionLabel.setText(Integer.toString(position + 1));
+        }
+
+        return row;
+    }
+};