Add voice-only settings activities for airplane mode.

This activity can only be triggered through the Voice Interaction API - e.g. from calling VoiceInterationSession.startVoiceActivity()

Change-Id: I39ac409824693bc82e53d707a1ece2b23a89f3a3

AndroidManifest.xml

@@ -138,6 +138,17 @@
                 android:value="true" />
         </activity>
 
+        <activity android:name="AirplaneModeVoiceActivity"
+                android:label="@string/wireless_networks_settings_title"
+                android:theme="@android:style/Theme.Material.Light.Voice"
+                android:exported="true"
+                android:taskAffinity="">
+            <intent-filter>
+                <action android:name="android.settings.VOICE_CONTROL_AIRPLANE_MODE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.VOICE" />
+            </intent-filter>
+        </activity>
 
         <!-- Top-level settings -->
 

src/com/android/settings/AirplaneModeVoiceActivity.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.content.Intent;
+import android.provider.Settings;
+import android.util.Log;
+
+/**
+ * Activity for modifying the {@link Settings.Global#AIRPLANE_MODE_ON AIRPLANE_MODE_ON}
+ * setting using the Voice Interaction API.
+ */
+public class AirplaneModeVoiceActivity extends VoiceSettingsActivity {
+    private static final String TAG = "AirplaneModeVoiceActivity";
+
+    protected void onVoiceSettingInteraction(Intent intent) {
+        if (intent.hasExtra(Settings.EXTRA_AIRPLANE_MODE_ENABLED)) {
+            boolean enabled =
+                    intent.getBooleanExtra(Settings.EXTRA_AIRPLANE_MODE_ENABLED, false);
+            Settings.Global.putInt(getContentResolver(),
+                    Settings.Global.AIRPLANE_MODE_ON, enabled ? 1 : 0);
+        } else {
+            Log.v(TAG, "Missing airplane mode extra");
+        }
+    }
+}

src/com/android/settings/VoiceSettingsActivity.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+/**
+ * Activity for modifying a setting using the Voice Interaction API. This activity
+ * MUST only modify the setting if the intent was sent using
+ * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity startVoiceActivity}.
+ */
+abstract public class VoiceSettingsActivity extends Activity {
+
+    private static final String TAG = "VoiceSettingsActivity";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        if (isVoiceInteraction()) {
+            // Only permit if this is a voice interaction.
+            onVoiceSettingInteraction(getIntent());
+        } else {
+            Log.v(TAG, "Cannot modify settings without voice interaction");
+        }
+        finish();
+    }
+
+    /**
+     * Modify the setting as a voice interaction. The activity will finish
+     * after this method is called.
+     */
+    abstract protected void onVoiceSettingInteraction(Intent intent);
+}