diff --git a/src/src/net/micode/notes/tool/ResourceParser.java b/src/src/net/micode/notes/tool/ResourceParser.java
index 1ad3ad6..389a9ca 100644
--- a/src/src/net/micode/notes/tool/ResourceParser.java
+++ b/src/src/net/micode/notes/tool/ResourceParser.java
@@ -16,44 +16,44 @@
 
 package net.micode.notes.tool;
 
-import android.content.Context;
-import android.preference.PreferenceManager;
+import javax.naming.Context;
 
+import android.preference.PreferenceManager;
 import net.micode.notes.R;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
 public class ResourceParser {
 
-    public static final int YELLOW           = 0;
-    public static final int BLUE             = 1;
-    public static final int WHITE            = 2;
-    public static final int GREEN            = 3;
-    public static final int RED              = 4;
+    public static final int YELLOW = 0;
+    public static final int BLUE = 1;
+    public static final int WHITE = 2;
+    public static final int GREEN = 3;
+    public static final int RED = 4;
 
     public static final int BG_DEFAULT_COLOR = YELLOW;
 
-    public static final int TEXT_SMALL       = 0;
-    public static final int TEXT_MEDIUM      = 1;
-    public static final int TEXT_LARGE       = 2;
-    public static final int TEXT_SUPER       = 3;
+    public static final int TEXT_SMALL = 0;
+    public static final int TEXT_MEDIUM = 1;
+    public static final int TEXT_LARGE = 2;
+    public static final int TEXT_SUPER = 3;
 
     public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
 
     public static class NoteBgResources {
-        private final static int [] BG_EDIT_RESOURCES = new int [] {
-            R.drawable.edit_yellow,
-            R.drawable.edit_blue,
-            R.drawable.edit_white,
-            R.drawable.edit_green,
-            R.drawable.edit_red
+        private final static int[] BG_EDIT_RESOURCES = new int[] {
+                R.drawable.edit_yellow,
+                R.drawable.edit_blue,
+                R.drawable.edit_white,
+                R.drawable.edit_green,
+                R.drawable.edit_red
         };
 
-        private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
-            R.drawable.edit_title_yellow,
-            R.drawable.edit_title_blue,
-            R.drawable.edit_title_white,
-            R.drawable.edit_title_green,
-            R.drawable.edit_title_red
+        private final static int[] BG_EDIT_TITLE_RESOURCES = new int[] {
+                R.drawable.edit_title_yellow,
+                R.drawable.edit_title_blue,
+                R.drawable.edit_title_white,
+                R.drawable.edit_title_green,
+                R.drawable.edit_title_red
         };
 
         public static int getNoteBgResource(int id) {
@@ -65,6 +65,7 @@ public class ResourceParser {
         }
     }
 
+    // 直接获取默认的背景颜色。
     public static int getDefaultBgId(Context context) {
         if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
                 NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@@ -75,36 +76,36 @@ public class ResourceParser {
     }
 
     public static class NoteItemBgResources {
-        private final static int [] BG_FIRST_RESOURCES = new int [] {
-            R.drawable.list_yellow_up,
-            R.drawable.list_blue_up,
-            R.drawable.list_white_up,
-            R.drawable.list_green_up,
-            R.drawable.list_red_up
+        private final static int[] BG_FIRST_RESOURCES = new int[] {
+                R.drawable.list_yellow_up,
+                R.drawable.list_blue_up,
+                R.drawable.list_white_up,
+                R.drawable.list_green_up,
+                R.drawable.list_red_up
         };
 
-        private final static int [] BG_NORMAL_RESOURCES = new int [] {
-            R.drawable.list_yellow_middle,
-            R.drawable.list_blue_middle,
-            R.drawable.list_white_middle,
-            R.drawable.list_green_middle,
-            R.drawable.list_red_middle
+        private final static int[] BG_NORMAL_RESOURCES = new int[] {
+                R.drawable.list_yellow_middle,
+                R.drawable.list_blue_middle,
+                R.drawable.list_white_middle,
+                R.drawable.list_green_middle,
+                R.drawable.list_red_middle
         };
 
-        private final static int [] BG_LAST_RESOURCES = new int [] {
-            R.drawable.list_yellow_down,
-            R.drawable.list_blue_down,
-            R.drawable.list_white_down,
-            R.drawable.list_green_down,
-            R.drawable.list_red_down,
+        private final static int[] BG_LAST_RESOURCES = new int[] {
+                R.drawable.list_yellow_down,
+                R.drawable.list_blue_down,
+                R.drawable.list_white_down,
+                R.drawable.list_green_down,
+                R.drawable.list_red_down,
         };
 
-        private final static int [] BG_SINGLE_RESOURCES = new int [] {
-            R.drawable.list_yellow_single,
-            R.drawable.list_blue_single,
-            R.drawable.list_white_single,
-            R.drawable.list_green_single,
-            R.drawable.list_red_single
+        private final static int[] BG_SINGLE_RESOURCES = new int[] {
+                R.drawable.list_yellow_single,
+                R.drawable.list_blue_single,
+                R.drawable.list_white_single,
+                R.drawable.list_green_single,
+                R.drawable.list_red_single
         };
 
         public static int getNoteBgFirstRes(int id) {
@@ -129,24 +130,24 @@ public class ResourceParser {
     }
 
     public static class WidgetBgResources {
-        private final static int [] BG_2X_RESOURCES = new int [] {
-            R.drawable.widget_2x_yellow,
-            R.drawable.widget_2x_blue,
-            R.drawable.widget_2x_white,
-            R.drawable.widget_2x_green,
-            R.drawable.widget_2x_red,
+        private final static int[] BG_2X_RESOURCES = new int[] {
+                R.drawable.widget_2x_yellow,
+                R.drawable.widget_2x_blue,
+                R.drawable.widget_2x_white,
+                R.drawable.widget_2x_green,
+                R.drawable.widget_2x_red,
         };
 
         public static int getWidget2xBgResource(int id) {
             return BG_2X_RESOURCES[id];
         }
 
-        private final static int [] BG_4X_RESOURCES = new int [] {
-            R.drawable.widget_4x_yellow,
-            R.drawable.widget_4x_blue,
-            R.drawable.widget_4x_white,
-            R.drawable.widget_4x_green,
-            R.drawable.widget_4x_red
+        private final static int[] BG_4X_RESOURCES = new int[] {
+                R.drawable.widget_4x_yellow,
+                R.drawable.widget_4x_blue,
+                R.drawable.widget_4x_white,
+                R.drawable.widget_4x_green,
+                R.drawable.widget_4x_red
         };
 
         public static int getWidget4xBgResource(int id) {
@@ -155,13 +156,14 @@ public class ResourceParser {
     }
 
     public static class TextAppearanceResources {
-        private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
-            R.style.TextAppearanceNormal,
-            R.style.TextAppearanceMedium,
-            R.style.TextAppearanceLarge,
-            R.style.TextAppearanceSuper
+        private final static int[] TEXTAPPEARANCE_RESOURCES = new int[] {
+                R.style.TextAppearanceNormal,
+                R.style.TextAppearanceMedium,
+                R.style.TextAppearanceLarge,
+                R.style.TextAppearanceSuper
         };
 
+        // 这里有一个容错的函数，防止输入的id大于资源总量，若如此，则自动返回默认的设置结果
         public static int getTexAppearanceResource(int id) {
             /**
              * HACKME: Fix bug of store the resource id in shared preference.