minor preferences tweaks

1) shorten some summaries
2) add summaries to appearance subscreen
3) move common summary functions to common parent class

// FREEBIE

res/values/strings.xml

@@ -39,8 +39,8 @@
     <string name="ApplicationPreferencesActivity_partial">partial</string>
     <string name="ApplicationPreferencesActivity_sms">SMS</string>
     <string name="ApplicationPreferencesActivity_mms">MMS</string>
-    <string name="ApplicationPreferencesActivity_incoming_sms">Incoming SMS</string>
+    <string name="ApplicationPreferencesActivity_incoming_sms">Incoming</string>
-    <string name="ApplicationPreferencesActivity_outgoing_sms">outgoing SMS</string>
+    <string name="ApplicationPreferencesActivity_outgoing_sms">outgoing</string>
 
     <!-- DraftDatabase -->
     <string name="DraftDatabase_Draft_image_snippet">(image)</string>
@@ -683,8 +683,8 @@
     <string name="preferences__conversation_length_limit">Conversation length limit</string>
     <string name="preferences__trim_all_threads_now">Trim all threads now</string>
     <string name="preferences__scan_through_all_conversation_threads_and_enforce_conversation_length_limits">Scan through all conversation threads and enforce conversation length limits</string>
-    <string name="preferences__light_theme">Light theme</string>
+    <string name="preferences__light_theme">Light</string>
-    <string name="preferences__dark_theme">Dark theme</string>
+    <string name="preferences__dark_theme">Dark</string>
     <string name="preferences__appearance">Appearance</string>
     <string name="preferences__theme">Theme</string>
     <string name="preferences__default">Default</string>

src/org/thoughtcrime/securesms/preferences/AppearancePreferenceFragment.java

@@ -2,18 +2,25 @@ package org.thoughtcrime.securesms.preferences;
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.preference.PreferenceFragment;
+import android.preference.ListPreference;
 
 import org.thoughtcrime.securesms.ApplicationPreferencesActivity;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
-public class AppearancePreferenceFragment extends PreferenceFragment {
+import java.util.Arrays;
+
+public class AppearancePreferenceFragment extends ListSummaryPreferenceFragment {
 
   @Override
   public void onCreate(Bundle paramBundle) {
     super.onCreate(paramBundle);
     addPreferencesFromResource(R.xml.preferences_appearance);
+
+    this.findPreference(TextSecurePreferences.THEME_PREF).setOnPreferenceChangeListener(new ListSummaryListener());
+    this.findPreference(TextSecurePreferences.LANGUAGE_PREF).setOnPreferenceChangeListener(new ListSummaryListener());
+    initializeListSummary((ListPreference)findPreference(TextSecurePreferences.THEME_PREF));
+    initializeListSummary((ListPreference)findPreference(TextSecurePreferences.LANGUAGE_PREF));
   }
 
   @Override
@@ -40,22 +47,10 @@ public class AppearancePreferenceFragment extends PreferenceFragment {
     String[] themeEntries        = context.getResources().getStringArray(R.array.pref_theme_entries);
     String[] themeEntryValues    = context.getResources().getStringArray(R.array.pref_theme_values);
 
-    Integer langIndex  = findIndexOfValue(TextSecurePreferences.getLanguage(context), languageEntryValues);
+    int langIndex  = Arrays.asList(languageEntryValues).indexOf(TextSecurePreferences.getLanguage(context));
-    Integer themeIndex = findIndexOfValue(TextSecurePreferences.getTheme(context), themeEntryValues);
+    int themeIndex = Arrays.asList(themeEntryValues).indexOf(TextSecurePreferences.getTheme(context));
 
     return context.getString(R.string.preferences__theme)    + ": " + themeEntries[themeIndex] + ", " +
            context.getString(R.string.preferences__language) + ": " + languageEntries[langIndex];
   }
-
-  // Copy from ListPreference
-  private static int findIndexOfValue(String value,  CharSequence[] mEntryValues) {
-    if (value != null && mEntryValues != null) {
-      for (int i = mEntryValues.length - 1; i >= 0; i--) {
-        if (mEntryValues[i].equals(value)) {
-          return i;
-        }
-      }
-    }
-    return -1;
-  }
 }

src/org/thoughtcrime/securesms/preferences/ListSummaryPreferenceFragment.java

@@ -0,0 +1,29 @@
+package org.thoughtcrime.securesms.preferences;
+
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.support.v4.preference.PreferenceFragment;
+
+import org.thoughtcrime.securesms.R;
+
+import java.util.Arrays;
+
+public abstract class ListSummaryPreferenceFragment extends PreferenceFragment {
+
+  protected class ListSummaryListener implements Preference.OnPreferenceChangeListener {
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object value) {
+      ListPreference listPref   = (ListPreference) preference;
+      int            entryIndex = Arrays.asList(listPref.getEntryValues()).indexOf(value);
+
+      listPref.setSummary(entryIndex >= 0 && entryIndex < listPref.getEntries().length
+                          ? listPref.getEntries()[entryIndex]
+                          : getString(R.string.preferences__led_color_unknown));
+      return true;
+    }
+  }
+
+  protected void initializeListSummary(ListPreference pref) {
+    pref.setSummary(pref.getEntry());
+  }
+}

src/org/thoughtcrime/securesms/preferences/NotificationsPreferenceFragment.java

@@ -10,17 +10,13 @@ import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceManager;
 import android.preference.RingtonePreference;
-import android.support.v4.preference.PreferenceFragment;
 import android.text.TextUtils;
-import android.util.Log;
 
 import org.thoughtcrime.securesms.ApplicationPreferencesActivity;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
-import java.util.Arrays;
+public class NotificationsPreferenceFragment extends ListSummaryPreferenceFragment {
-
-public class NotificationsPreferenceFragment extends PreferenceFragment {
 
   @Override
   public void onCreate(Bundle paramBundle) {
@@ -48,19 +44,6 @@ public class NotificationsPreferenceFragment extends PreferenceFragment {
     ((ApplicationPreferencesActivity) getActivity()).getSupportActionBar().setTitle(R.string.preferences__notifications);
   }
 
-  private class ListSummaryListener implements Preference.OnPreferenceChangeListener {
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object value) {
-      ListPreference listPref = (ListPreference) preference;
-
-      final int entryIndex = Arrays.asList(listPref.getEntryValues()).indexOf(value);
-      listPref.setSummary(entryIndex >= 0 && entryIndex < listPref.getEntries().length
-                          ? listPref.getEntries()[entryIndex]
-                          : getString(R.string.preferences__led_color_unknown));
-      return true;
-    }
-  }
-
   private class RingtoneSummaryListener implements Preference.OnPreferenceChangeListener {
     @Override
     public boolean onPreferenceChange(Preference preference, Object newValue) {
@@ -79,10 +62,6 @@ public class NotificationsPreferenceFragment extends PreferenceFragment {
     }
   }
 
-  private void initializeListSummary(ListPreference pref) {
-    pref.setSummary(pref.getEntry());
-  }
-
   private void initializeRingtoneSummary(RingtonePreference pref) {
     RingtoneSummaryListener listener =
       (RingtoneSummaryListener) pref.getOnPreferenceChangeListener();