Show LED and ringtone setting values in their summaries

As instructed in the Android design guidelines. Also removed unnatural
capitalization.

res/values/strings.xml

@@ -440,12 +440,8 @@
     <string name="preferences__manage_configured_identity_keys">Manage configured identity keys</string>
     <string name="preferences__notifications">Notifications</string>
     <string name="preferences__display_message_notifications_in_status_bar">Display message notifications in status bar</string>
-    <string name="preferences__led_color">LED Color</string>
+    <string name="preferences__led_color">LED color</string>
-    <string name="preferences__change_notification_led_color">Change notification LED color</string>
+    <string name="preferences__pref_led_blink_title">LED blink pattern</string>
-    <string name="preferences__pref_led_blink_title">LED Blink Pattern</string>
-    <string name="preferences__change_notification_blink_pattern">Change notification LED blink pattern</string>
-    <string name="preferences__pref_led_blink_dialogtitle">Select LED Blink Pattern</string>
-    <string name="preferences__select_led_color">Select LED Color</string>
     <string name="preferences__sound">Sound</string>
     <string name="preferences__change_notification_sound">Change notification sound</string>
     <string name="preferences__inthread_notifications">In-thread notifications</string>

res/xml/preferences.xml

@@ -32,20 +32,16 @@
                           android:defaultValue="green"
                           android:title="@string/preferences__led_color"
                           android:dependency="pref_key_enable_notifications"
-                          android:summary="@string/preferences__change_notification_led_color"
                           android:entries="@array/pref_led_color_entries"
-                          android:entryValues="@array/pref_led_color_values"
+                          android:entryValues="@array/pref_led_color_values" />
-                          android:dialogTitle="@string/preferences__select_led_color" />
 
         <org.thoughtcrime.securesms.preferences.LedBlinkPatternListPreference
                           android:key="pref_led_blink"
                           android:defaultValue="500,2000"
                           android:title="@string/preferences__pref_led_blink_title"
                           android:dependency="pref_key_enable_notifications"
-                          android:summary="@string/preferences__change_notification_blink_pattern"
                           android:entries="@array/pref_led_blink_pattern_entries"
-                          android:entryValues="@array/pref_led_blink_pattern_values"
+                          android:entryValues="@array/pref_led_blink_pattern_values" />
-                          android:dialogTitle="@string/preferences__pref_led_blink_dialogtitle" />
 
 
         <RingtonePreference android:layout="?android:attr/preferenceLayoutChild"

src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java

@@ -21,17 +21,22 @@ import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.media.Ringtone;
+import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.EditTextPreference;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceManager;
 import android.preference.PreferenceScreen;
+import android.preference.RingtonePreference;
 import android.provider.ContactsContract;
 import android.provider.Telephony;
+import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
 
@@ -128,6 +133,16 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
       .setOnPreferenceChangeListener(new DisablePassphraseClickListener());
     this.findPreference(MMS_PREF)
       .setOnPreferenceClickListener(new ApnPreferencesClickListener());
+    this.findPreference(LED_COLOR_PREF)
+      .setOnPreferenceChangeListener(new ListSummaryListener());
+    this.findPreference(LED_BLINK_PREF)
+      .setOnPreferenceChangeListener(new ListSummaryListener());
+    this.findPreference(RINGTONE_PREF)
+      .setOnPreferenceChangeListener(new RingtoneSummaryListener());
+
+    initializeListSummary((ListPreference) findPreference(LED_COLOR_PREF));
+    initializeListSummary((ListPreference) findPreference(LED_BLINK_PREF));
+    initializeRingtoneSummary((RingtonePreference) findPreference(RINGTONE_PREF));
   }
 
   @Override
@@ -225,6 +240,18 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     }
   }
 
+  private void initializeListSummary(ListPreference pref) {
+    pref.setSummary(pref.getEntry());
+  }
+
+  private void initializeRingtoneSummary(RingtonePreference pref) {
+    RingtoneSummaryListener listener =
+      (RingtoneSummaryListener) pref.getOnPreferenceChangeListener();
+    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+    listener.onPreferenceChange(pref, sharedPreferences.getString(pref.getKey(), ""));
+  }
+
   private void handleIdentitySelection(Intent data) {
     Uri contactUri = data.getData();
 
@@ -380,6 +407,42 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     }
   }
 
+  private class ListSummaryListener implements Preference.OnPreferenceChangeListener {
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object value) {
+      ListPreference asList = (ListPreference) preference;
+
+      int index = 0;
+      for (; index < asList.getEntryValues().length; index++) {
+        if (value.equals(asList.getEntryValues()[index])) {
+          break;
+        }
+      }
+
+      asList.setSummary(asList.getEntries()[index]);
+      return true;
+    }
+  }
+
+  private class RingtoneSummaryListener implements Preference.OnPreferenceChangeListener {
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+      String value = (String) newValue;
+
+      if (TextUtils.isEmpty(value)) {
+        preference.setSummary(R.string.preferences__default);
+      } else {
+        Ringtone tone = RingtoneManager.getRingtone(ApplicationPreferencesActivity.this,
+          Uri.parse(value));
+        if (tone != null) {
+          preference.setSummary(tone.getTitle(ApplicationPreferencesActivity.this));
+        }
+      }
+
+      return true;
+    }
+  }
+
   /* http://code.google.com/p/android/issues/detail?id=4611#c35 */
   @SuppressWarnings("deprecation")
   @Override