Change icon pack based on user preference

app/src/main/java/com/example/android/sunshine/app/ForecastAdapter.java

@@ -108,7 +108,7 @@ public class ForecastAdapter extends CursorAdapter {
                 break;
             }
         }
-        
+
         Glide.with(mContext)
                 .load(Utility.getArtUrlForWeatherCondition(mContext, weatherId))
                 .error(fallbackIconId)

app/src/main/java/com/example/android/sunshine/app/SettingsActivity.java

@@ -49,6 +49,7 @@ public class SettingsActivity extends PreferenceActivity
         // updated when the preference changes.
         bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_location_key)));
         bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_units_key)));
+        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_art_pack_key)));
     }
 
     // Registers a shared preference change listener that gets notified when preferences change
@@ -142,6 +143,9 @@ public class SettingsActivity extends PreferenceActivity
             // our location status has changed.  Update the summary accordingly
             Preference locationPreference = findPreference(getString(R.string.pref_location_key));
             bindPreferenceSummaryToValue(locationPreference);
+        } else if ( key.equals(getString(R.string.pref_art_pack_key)) ) {
+            // art pack have changed. update lists of weather entries accordingly
+            getContentResolver().notifyChange(WeatherContract.WeatherEntry.CONTENT_URI, null);
         }
     }
 

app/src/main/java/com/example/android/sunshine/app/Utility.java

@@ -27,6 +27,7 @@ import com.example.android.sunshine.app.sync.SunshineSyncAdapter;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Locale;
 
 public class Utility {
     public static String getPreferredLocation(Context context) {
@@ -225,30 +226,34 @@ public class Utility {
      * @return url for the corresponding weather artwork. null if no relation is found.
      */
     public static String getArtUrlForWeatherCondition(Context context, int weatherId) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        String formatArtUrl = prefs.getString(context.getString(R.string.pref_art_pack_key),
+                context.getString(R.string.pref_art_pack_sunshine));
+
         // Based on weather code data found at:
         // http://bugs.openweathermap.org/projects/api/wiki/Weather_Condition_Codes
         if (weatherId >= 200 && weatherId <= 232) {
-            return context.getString(R.string.format_art_url, "storm");
+            return String.format(Locale.US, formatArtUrl, "storm");
         } else if (weatherId >= 300 && weatherId <= 321) {
-            return context.getString(R.string.format_art_url, "light_rain");
+            return String.format(Locale.US, formatArtUrl, "light_rain");
         } else if (weatherId >= 500 && weatherId <= 504) {
-            return context.getString(R.string.format_art_url, "rain");
+            return String.format(Locale.US, formatArtUrl, "rain");
         } else if (weatherId == 511) {
-            return context.getString(R.string.format_art_url, "snow");
+            return String.format(Locale.US, formatArtUrl, "snow");
         } else if (weatherId >= 520 && weatherId <= 531) {
-            return context.getString(R.string.format_art_url, "rain");
+            return String.format(Locale.US, formatArtUrl, "rain");
         } else if (weatherId >= 600 && weatherId <= 622) {
-            return context.getString(R.string.format_art_url, "snow");
+            return String.format(Locale.US, formatArtUrl, "snow");
         } else if (weatherId >= 701 && weatherId <= 761) {
-            return context.getString(R.string.format_art_url, "fog");
+            return String.format(Locale.US, formatArtUrl, "fog");
         } else if (weatherId == 761 || weatherId == 781) {
-            return context.getString(R.string.format_art_url, "storm");
+            return String.format(Locale.US, formatArtUrl, "storm");
         } else if (weatherId == 800) {
-            return context.getString(R.string.format_art_url, "clear");
+            return String.format(Locale.US, formatArtUrl, "clear");
         } else if (weatherId == 801) {
-            return context.getString(R.string.format_art_url, "light_clouds");
+            return String.format(Locale.US, formatArtUrl, "light_clouds");
         } else if (weatherId >= 802 && weatherId <= 804) {
-            return context.getString(R.string.format_art_url, "clouds");
+            return String.format(Locale.US, formatArtUrl, "clouds");
         }
         return null;
     }

app/src/main/res/values/arrays.xml

@@ -25,4 +25,16 @@
         <item>@string/pref_units_metric</item>
         <item>@string/pref_units_imperial</item>
     </string-array>
+
+    <!-- Names of the art packs available -->
+    <string-array name="pref_art_pack_options">
+        <item>@string/pref_art_pack_label_sunshine</item>
+        <item>@string/pref_art_pack_label_cute_dogs</item>
+    </string-array>
+
+    <!-- Format for retrieving art from an external source [CHAR LIMIT=NONE] -->
+    <string-array name="pref_art_pack_values">
+        <item>@string/pref_art_pack_sunshine</item>
+        <item>@string/pref_art_pack_cute_dogs</item>
+    </string-array>
 </resources>

app/src/main/res/values/strings.xml

@@ -80,9 +80,23 @@
     <!-- Value in SharedPreferences for imperial temperature unit option [CHAR LIMIT=NONE] -->
     <string name="pref_units_imperial" translatable="false">imperial</string>
 
+    <!-- Label for the art pack preference [CHAR LIMIT=30] -->
+    <string name="pref_art_pack_label">Icon Pack</string>
 
-    <!-- Format for retrieving art from an external source [CHAR LIMIT=NONE] -->
+    <!-- Label for Sunshine option in art pack preference [CHAR LIMIT=25] -->
-    <string name="format_art_url" translatable="false">https://raw.githubusercontent.com/udacity/Sunshine-Version-2/sunshine_master/app/src/main/res/drawable-xxhdpi/art_<xliff:g id="description">%s</xliff:g>.png</string>
+    <string name="pref_art_pack_label_sunshine">Sunshine</string>
+
+    <!-- Label for cute dogs option in art pack preference [CHAR LIMIT=25] -->
+    <string name="pref_art_pack_label_cute_dogs">Cute dogs</string>
+
+    <!-- Key name for art pack unit preference in SharedPreferences [CHAR LIMIT=NONE] -->
+    <string name="pref_art_pack_key" translatable="false">art_pack</string>
+
+    <!-- Value in SharedPreferences for Sunshine art pack option [CHAR LIMIT=NONE] -->
+    <string name="pref_art_pack_sunshine" translatable="false">https://raw.githubusercontent.com/udacity/Sunshine-Version-2/sunshine_master/app/src/main/res/drawable-xxhdpi/art_%s.png</string>
+
+    <!-- Value in SharedPreferences for cute dogs art pack  option [CHAR LIMIT=NONE] -->
+    <string name="pref_art_pack_cute_dogs" translatable="false">https://raw.githubusercontent.com/udacity/Sunshine-Version-2/sunshine_master/app/src/main/res/drawable-mdpi/art_%s.png</string>
 
     <!-- Language-specific constants -->
     <string name="today">Today</string>

app/src/main/res/xml/pref_general.xml

@@ -35,6 +35,13 @@
         android:entryValues="@array/pref_units_values"
         android:entries="@array/pref_units_options" />
 
+    <ListPreference
+        android:title="@string/pref_art_pack_label"
+        android:key="@string/pref_art_pack_key"
+        android:defaultValue="@string/pref_art_pack_sunshine"
+        android:entryValues="@array/pref_art_pack_values"
+        android:entries="@array/pref_art_pack_options" />
+
     <CheckBoxPreference
         android:title="@string/pref_enable_notifications_label"
         android:key="@string/pref_enable_notifications_key"