Adding initial app framework

Change-Id: I0c53e3487eb3be1eefa2d0c7f260a90d82fd8844
diff --git a/app/src/main/res/drawable-hdpi/ic_launcher.png b/app/src/main/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..96a442e
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/ic_launcher.png
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diff --git a/app/src/main/res/drawable-mdpi/ic_launcher.png b/app/src/main/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..359047d
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_launcher.png
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diff --git a/app/src/main/res/drawable-xhdpi/ic_launcher.png b/app/src/main/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..71c6d76
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/ic_launcher.png
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diff --git a/app/src/main/res/drawable-xxhdpi/ic_launcher.png b/app/src/main/res/drawable-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..4df1894
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/ic_launcher.png
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diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..63746a1
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">NFD</string>
+</resources>
diff --git a/app/src/main/res/values/strings_activity_nfd_settings.xml b/app/src/main/res/values/strings_activity_nfd_settings.xml
new file mode 100644
index 0000000..2686b04
--- /dev/null
+++ b/app/src/main/res/values/strings_activity_nfd_settings.xml
@@ -0,0 +1,60 @@
+<resources>
+
+    <!-- Strings related to Settings -->
+
+    <!-- Example General settings -->
+    <string name="pref_header_general">General</string>
+
+    <string name="pref_title_social_recommendations">Enable social recommendations</string>
+    <string name="pref_description_social_recommendations">Recommendations for people to contact
+        based on your message history
+    </string>
+
+    <string name="pref_title_display_name">Display name</string>
+    <string name="pref_default_display_name">John Smith</string>
+
+    <string name="pref_title_add_friends_to_messages">Add friends to messages</string>
+    <string-array name="pref_example_list_titles">
+        <item>Always</item>
+        <item>When possible</item>
+        <item>Never</item>
+    </string-array>
+    <string-array name="pref_example_list_values">
+        <item>1</item>
+        <item>0</item>
+        <item>-1</item>
+    </string-array>
+
+    <!-- Example settings for Data & Sync -->
+    <string name="pref_header_data_sync">Data &amp; sync</string>
+
+    <string name="pref_title_sync_frequency">Sync frequency</string>
+    <string-array name="pref_sync_frequency_titles">
+        <item>15 minutes</item>
+        <item>30 minutes</item>
+        <item>1 hour</item>
+        <item>3 hours</item>
+        <item>6 hours</item>
+        <item>Never</item>
+    </string-array>
+    <string-array name="pref_sync_frequency_values">
+        <item>15</item>
+        <item>30</item>
+        <item>60</item>
+        <item>180</item>
+        <item>360</item>
+        <item>-1</item>
+    </string-array>
+
+    <string name="pref_title_system_sync_settings">System sync settings</string>
+
+    <!-- Example settings for Notifications -->
+    <string name="pref_header_notifications">Notifications</string>
+
+    <string name="pref_title_new_message_notifications">New message notifications</string>
+
+    <string name="pref_title_ringtone">Ringtone</string>
+    <string name="pref_ringtone_silent">Silent</string>
+
+    <string name="pref_title_vibrate">Vibrate</string>
+</resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..766ab99
--- /dev/null
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,8 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>
diff --git a/app/src/main/res/xml/pref_data_sync.xml b/app/src/main/res/xml/pref_data_sync.xml
new file mode 100644
index 0000000..ffda831
--- /dev/null
+++ b/app/src/main/res/xml/pref_data_sync.xml
@@ -0,0 +1,21 @@
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- NOTE: Hide buttons to simplify the UI. Users can touch outside the dialog to
+         dismiss it. -->
+    <!-- NOTE: ListPreference's summary should be set to its value by the activity code. -->
+    <ListPreference
+        android:key="sync_frequency"
+        android:title="@string/pref_title_sync_frequency"
+        android:entries="@array/pref_sync_frequency_titles"
+        android:entryValues="@array/pref_sync_frequency_values"
+        android:defaultValue="180"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null" />
+
+    <!-- This preference simply launches an intent when selected. Use this UI sparingly, per
+         design guidelines. -->
+    <Preference android:title="@string/pref_title_system_sync_settings">
+        <intent android:action="android.settings.SYNC_SETTINGS" />
+    </Preference>
+
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/pref_general.xml b/app/src/main/res/xml/pref_general.xml
new file mode 100644
index 0000000..c49cbed
--- /dev/null
+++ b/app/src/main/res/xml/pref_general.xml
@@ -0,0 +1,33 @@
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <CheckBoxPreference
+        android:key="example_checkbox"
+        android:title="@string/pref_title_social_recommendations"
+        android:summary="@string/pref_description_social_recommendations"
+        android:defaultValue="true" />
+
+    <!-- NOTE: EditTextPreference accepts EditText attributes. -->
+    <!-- NOTE: EditTextPreference's summary should be set to its value by the activity code. -->
+    <EditTextPreference
+        android:key="example_text"
+        android:title="@string/pref_title_display_name"
+        android:defaultValue="@string/pref_default_display_name"
+        android:selectAllOnFocus="true"
+        android:inputType="textCapWords"
+        android:capitalize="words"
+        android:singleLine="true"
+        android:maxLines="1" />
+
+    <!-- NOTE: Hide buttons to simplify the UI. Users can touch outside the dialog to
+         dismiss it. -->
+    <!-- NOTE: ListPreference's summary should be set to its value by the activity code. -->
+    <ListPreference
+        android:key="example_list"
+        android:title="@string/pref_title_add_friends_to_messages"
+        android:defaultValue="-1"
+        android:entries="@array/pref_example_list_titles"
+        android:entryValues="@array/pref_example_list_values"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null" />
+
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/pref_headers.xml b/app/src/main/res/xml/pref_headers.xml
new file mode 100644
index 0000000..f2af3f2
--- /dev/null
+++ b/app/src/main/res/xml/pref_headers.xml
@@ -0,0 +1,17 @@
+<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- These settings headers are only used on tablets. -->
+
+    <header
+        android:fragment="nfd.named_data.net.nfd.NfdSettingsActivity$GeneralPreferenceFragment"
+        android:title="@string/pref_header_general"/>
+
+    <header
+        android:fragment="nfd.named_data.net.nfd.NfdSettingsActivity$NotificationPreferenceFragment"
+        android:title="@string/pref_header_notifications"/>
+
+    <header
+        android:fragment="nfd.named_data.net.nfd.NfdSettingsActivity$DataSyncPreferenceFragment"
+        android:title="@string/pref_header_data_sync"/>
+
+</preference-headers>
diff --git a/app/src/main/res/xml/pref_notification.xml b/app/src/main/res/xml/pref_notification.xml
new file mode 100644
index 0000000..b4b8cae
--- /dev/null
+++ b/app/src/main/res/xml/pref_notification.xml
@@ -0,0 +1,27 @@
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- A 'parent' preference, which enables/disables child preferences (below)
+         when checked/unchecked. -->
+    <CheckBoxPreference
+        android:key="notifications_new_message"
+        android:title="@string/pref_title_new_message_notifications"
+        android:defaultValue="true" />
+
+    <!-- Allows the user to choose a ringtone in the 'notification' category. -->
+    <!-- NOTE: This preference will be enabled only when the checkbox above is checked. -->
+    <!-- NOTE: RingtonePreference's summary should be set to its value by the activity code. -->
+    <RingtonePreference
+        android:dependency="notifications_new_message"
+        android:key="notifications_new_message_ringtone"
+        android:title="@string/pref_title_ringtone"
+        android:ringtoneType="notification"
+        android:defaultValue="content://settings/system/notification_sound" />
+
+    <!-- NOTE: This preference will be enabled only when the checkbox above is checked. -->
+    <CheckBoxPreference
+        android:dependency="notifications_new_message"
+        android:key="notifications_new_message_vibrate"
+        android:title="@string/pref_title_vibrate"
+        android:defaultValue="true" />
+
+</PreferenceScreen>