From 6c6060699b7a29dd44ea9821b8c9a51d01e1411b Mon Sep 17 00:00:00 2001
From: Aidan Follestad <drummer.aidan@gmail.com>
Date: Sat, 18 Apr 2015 10:39:28 -0500
Subject: [PATCH] Colored nav bar setting is disabled below Lollipop

---
 .../ui/activities/SettingsActivity.java       | 21 ++++++++++++-------
 app/src/main/res/values/strings.xml           |  1 +
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/SettingsActivity.java b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/SettingsActivity.java
index 400c6244..ecfc8f01 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/SettingsActivity.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/SettingsActivity.java
@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.media.audiofx.AudioEffect;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
@@ -145,13 +146,19 @@ public class SettingsActivity extends AbsBaseActivity implements ColorChooserDia
                 }
             });
 
-            findPreference("colored_navigation_bar").setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
-                @Override
-                public boolean onPreferenceChange(Preference preference, Object o) {
-                    App.bus.post(new UIPreferenceChangedEvent(UIPreferenceChangedEvent.COLORED_NAVIGATION_BAR_CHANGED, o));
-                    return true;
-                }
-            });
+            Preference colorNavBar = findPreference("colored_navigation_bar");
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+                colorNavBar.setEnabled(false);
+                colorNavBar.setSummary(R.string.pref_only_lollipop);
+            } else {
+                colorNavBar.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+                    @Override
+                    public boolean onPreferenceChange(Preference preference, Object o) {
+                        App.bus.post(new UIPreferenceChangedEvent(UIPreferenceChangedEvent.COLORED_NAVIGATION_BAR_CHANGED, o));
+                        return true;
+                    }
+                });
+            }
 
             equalizer = findPreference("equalizer");
             resolveEqualizer();
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1a6b1511..e4755127 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -121,6 +121,7 @@
     <string name="no_playlists">No playlists</string>
     <string name="playlist_name">Playlist name</string>
     <string name="song">Song</string>
+    <string name="pref_only_lollipop">Only available on Lollipop.</string>
 
     <string-array name="update_albumcover_options">
         <item>Download from LastFM</item>