diff --git a/bin/EhViewer.apk b/bin/EhViewer.apk
index 012007c21..2225f62a6 100644
Binary files a/bin/EhViewer.apk and b/bin/EhViewer.apk differ
diff --git a/bin/classes.dex b/bin/classes.dex
index b59d5dd5e..6dcf1ff17 100644
Binary files a/bin/classes.dex and b/bin/classes.dex differ
diff --git a/bin/resources.ap_ b/bin/resources.ap_
index ea55322cb..99ab41ed4 100644
Binary files a/bin/resources.ap_ and b/bin/resources.ap_ differ
diff --git a/res/layout/list_item.xml b/res/layout/list_item.xml
index 8fc565205..11c1ae69a 100644
--- a/res/layout/list_item.xml
+++ b/res/layout/list_item.xml
@@ -7,8 +7,7 @@
         android:id="@+id/cover"
         android:layout_width="67dp"
         android:layout_height="100dp"
-        android:scaleType="fitCenter"
-        android:layout_gravity="center" />
+        android:scaleType="fitCenter" />
 
     <LinearLayout
         android:layout_width="fill_parent"
diff --git a/res/raw/change_log b/res/raw/change_log
index 8e8edc75d..3a973e940 100644
--- a/res/raw/change_log
+++ b/res/raw/change_log
@@ -1,5 +1,6 @@
 Version 0.4.5 (2014-??-??)
 * 添加更新服务器
+* 添加封面图片渐进效果显示
 
 Version 0.4.4 (2014-04-06)
 * 修复错误的日志输出导致的崩溃
diff --git a/src/com/hippo/ehviewer/ImageLoadManager.java b/src/com/hippo/ehviewer/ImageLoadManager.java
index 416710a18..8ba8f0406 100644
--- a/src/com/hippo/ehviewer/ImageLoadManager.java
+++ b/src/com/hippo/ehviewer/ImageLoadManager.java
@@ -16,6 +16,11 @@ import com.hippo.ehviewer.util.Log;
 
 public class ImageLoadManager {
     private static final String TAG = "ImageLoadManager";
+    
+    private static final int WAIT = 0x0;
+    private static final int TOUCH = 0x1;
+    private static final int CONTEXT = 0x2;
+    
     private class LoadTask {
         public LoadImageView liv;
         public boolean download;
@@ -42,7 +47,19 @@ public class ImageLoadManager {
                 @Override
                 public void handleMessage(Message msg) {
                     LoadTask task = (LoadTask)msg.obj;
-                    task.liv.setImageBitmap(task.bitmap);
+                    switch (msg.what) {
+                    case WAIT:
+                        task.liv.setWaitImage();
+                        break;
+                        
+                    case TOUCH:
+                        task.liv.setTouchImage();
+                        break;
+                        
+                    case CONTEXT:
+                        task.liv.setContextImage(task.bitmap);
+                        break;
+                    }
                 }
             };
     
@@ -89,14 +106,17 @@ public class ImageLoadManager {
                 Message msg = new Message();
                 msg.obj = curLoadTask;
                 if (bitmap == null) { // Load from cache error
-                    curLoadTask.bitmap = Ui.BITMAP_LAUNCH;
-                    if (curLoadTask.download)
+                    if (curLoadTask.download) {
                         mImageDownloadTask.add(curLoadTask);
-                    else
+                    }
+                    else {
                         liv.setState(LoadImageView.FAIL);
+                    }
+                    msg.what = WAIT;
                 } else {
                     curLoadTask.bitmap = bitmap;
                     liv.setState(LoadImageView.LOADED);
+                    msg.what = CONTEXT;
                 }
                 loadImageHandler.sendMessage(msg);
             }
@@ -145,12 +165,13 @@ public class ImageLoadManager {
                     msg.obj = loadTask;
                     if (bitmap == null) {
                         Log.d(TAG, httpHelper.getEMsg());
-                        loadTask.bitmap = Ui.BITMAP_TOUCH;
                         liv.setState(LoadImageView.FAIL);
                         liv.setOnClickListener(ImageLoadManager.this);
+                        msg.what = TOUCH;
                     } else {
                         loadTask.bitmap = bitmap;
                         liv.setState(LoadImageView.LOADED);
+                        msg.what = CONTEXT;
                     }
                     loadImageHandler.sendMessage(msg);
                 }
diff --git a/src/com/hippo/ehviewer/util/Ui.java b/src/com/hippo/ehviewer/util/Ui.java
index b7409da38..db69bf459 100644
--- a/src/com/hippo/ehviewer/util/Ui.java
+++ b/src/com/hippo/ehviewer/util/Ui.java
@@ -23,25 +23,6 @@ public class Ui {
     private static Context mContext;
     private static final BitmapFactory.Options opt = new BitmapFactory.Options();
     
-    public static Bitmap BITMAP_DOUJINSHI;
-    public static Bitmap BITMAP_MANGAI;
-    public static Bitmap BITMAP_ARTIST_CG;
-    public static Bitmap BITMAP_GAME_CG;
-    public static Bitmap BITMAP_WESTERN;
-    public static Bitmap BITMAP_NON_H;
-    public static Bitmap BITMAP_IMAGE_SET;
-    public static Bitmap BITMAP_COSPLAY;
-    public static Bitmap BITMAP_ASIAN_PORN;
-    public static Bitmap BITMAP_MISC;
-    public static Bitmap BITMAP_UNKNOWN;
-    
-    public static Bitmap BITMAP_START;
-    public static Bitmap BITMAP_START_HALF;
-    public static Bitmap BITMAP_START_EMPTY;
-    
-    public static Bitmap BITMAP_LAUNCH;
-    public static Bitmap BITMAP_TOUCH;
-    
     private static boolean mInit = false;
     
     /**
@@ -59,26 +40,6 @@ public class Ui {
         opt.inPreferredConfig = Bitmap.Config.RGB_565;
         opt.inPurgeable = true;
         opt.inInputShareable = true;
-        
-        
-        BITMAP_DOUJINSHI = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.doujinshi), null, opt);
-        BITMAP_MANGAI = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.manga), null, opt);
-        BITMAP_ARTIST_CG = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.artistcg), null, opt);
-        BITMAP_GAME_CG = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.gamecg), null, opt);
-        BITMAP_WESTERN = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.western), null, opt);
-        BITMAP_NON_H = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.non_h), null, opt);
-        BITMAP_IMAGE_SET = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.imageset), null, opt);
-        BITMAP_COSPLAY = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.cosplay), null, opt);
-        BITMAP_ASIAN_PORN = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.asianporn), null, opt);
-        BITMAP_MISC = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.misc), null, opt);
-        BITMAP_UNKNOWN = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.unknown), null, opt);
-        
-        BITMAP_START = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.star), null, opt);
-        BITMAP_START_HALF = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.star_half), null, opt);
-        BITMAP_START_EMPTY = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.star_empty), null, opt);
-        
-        BITMAP_LAUNCH = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.ic_launcher), null, opt);
-        BITMAP_TOUCH = BitmapFactory.decodeStream(mContext.getResources().openRawResource(R.drawable.ic_touch), null, opt);
     }
     
     /**
@@ -104,37 +65,37 @@ public class Ui {
             return;
         switch (type) {
         case ListUrls.DOUJINSHI:
-            imageView.setImageBitmap(BITMAP_DOUJINSHI);
+            imageView.setImageResource(R.drawable.doujinshi);
             break;
         case ListUrls.MANGA:
-            imageView.setImageBitmap(BITMAP_MANGAI);
+            imageView.setImageResource(R.drawable.manga);
             break;
         case ListUrls.ARTIST_CG:
-            imageView.setImageBitmap(BITMAP_ARTIST_CG);
+            imageView.setImageResource(R.drawable.artistcg);
             break;
         case ListUrls.GAME_CG:
-            imageView.setImageBitmap(BITMAP_GAME_CG);
+            imageView.setImageResource(R.drawable.gamecg);
             break;
         case ListUrls.WESTERN:
-            imageView.setImageBitmap(BITMAP_WESTERN);
+            imageView.setImageResource(R.drawable.western);
             break;
         case ListUrls.NON_H:
-            imageView.setImageBitmap(BITMAP_NON_H);
+            imageView.setImageResource(R.drawable.non_h);
             break;
         case ListUrls.IMAGE_SET:
-            imageView.setImageBitmap(BITMAP_IMAGE_SET);
+            imageView.setImageResource(R.drawable.imageset);
             break;
         case ListUrls.COSPLAY:
-            imageView.setImageBitmap(BITMAP_COSPLAY);
+            imageView.setImageResource(R.drawable.cosplay);
             break;
         case ListUrls.ASIAN_PORN:
-            imageView.setImageBitmap(BITMAP_ASIAN_PORN);
+            imageView.setImageResource(R.drawable.asianporn);
             break;
         case ListUrls.MISC:
-            imageView.setImageBitmap(BITMAP_MISC);
+            imageView.setImageResource(R.drawable.misc);
             break;
         default:
-            imageView.setImageBitmap(BITMAP_UNKNOWN);
+            imageView.setImageResource(R.drawable.unknown);
             break;
         }
     }
@@ -160,7 +121,7 @@ public class Ui {
         } catch (Exception e) {
             for (int i = 0; i < 5; i++) {
                 ImageView IvStarEmpty = new ImageView(mContext);
-                IvStarEmpty.setImageBitmap(BITMAP_START_EMPTY);
+                IvStarEmpty.setImageResource(R.drawable.star_empty);
                 viewGroup.addView(IvStarEmpty);
             }
             return;
@@ -171,19 +132,19 @@ public class Ui {
         
         for (int i = 0; i < leve/2; i++) {
             ImageView IvStar = new ImageView(mContext);
-            IvStar.setImageBitmap(BITMAP_START);
+            IvStar.setImageResource(R.drawable.star);
             viewGroup.addView(IvStar);
             starNum--;
         }
         if (leve % 2 != 0) {
             ImageView IvStarHalf = new ImageView(mContext);
-            IvStarHalf.setImageBitmap(BITMAP_START_HALF);
+            IvStarHalf.setImageResource(R.drawable.star_half);
             viewGroup.addView(IvStarHalf);
             starNum--;
         }
         for (int i = 0; i < starNum; i++) {
             ImageView IvStarEmpty = new ImageView(mContext);
-            IvStarEmpty.setImageBitmap(BITMAP_START_EMPTY);
+            IvStarEmpty.setImageResource(R.drawable.star_empty);
             viewGroup.addView(IvStarEmpty);
         }
     }
diff --git a/src/com/hippo/ehviewer/widget/LoadImageView.java b/src/com/hippo/ehviewer/widget/LoadImageView.java
index cd78c557c..281f0da43 100644
--- a/src/com/hippo/ehviewer/widget/LoadImageView.java
+++ b/src/com/hippo/ehviewer/widget/LoadImageView.java
@@ -1,9 +1,14 @@
 package com.hippo.ehviewer.widget;
 
 import com.hippo.ehviewer.ImageLoadManager;
+import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.util.Ui;
 
 import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.TransitionDrawable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ImageView;
@@ -17,6 +22,11 @@ public class LoadImageView extends ImageView {
     public static final int LOADED = 0x2;
     public static final int FAIL = 0x3;
     
+    private static final int WAIT_IMAGE_ID = R.drawable.ic_launcher;
+    private static final int TOUCH_IMAGE_ID = R.drawable.ic_touch;
+    
+    private static final int DURATION = 300;
+    
     private int mState = NONE;
     
     private String mUrl;
@@ -59,6 +69,29 @@ public class LoadImageView extends ImageView {
         return mState;
     }
     
+    public void setWaitImage() {
+        setImageResource(WAIT_IMAGE_ID);
+    }
+    
+    public void setTouchImage() {
+        setImageResource(TOUCH_IMAGE_ID);
+    }
+    
+    public void setContextImage(Bitmap bmp) {
+        Drawable oldDrawable = getDrawable();
+        
+        if (oldDrawable == null)
+            setImageBitmap(bmp);
+        else {
+            Drawable[] layers = new Drawable[2];
+            layers[0] = oldDrawable;
+            layers[1] = new BitmapDrawable(getContext().getResources(), bmp);
+            TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
+            setImageDrawable(transitionDrawable);
+            transitionDrawable.startTransition(DURATION);
+        }
+    }
+    
     class OnClickListener implements View.OnClickListener {
         private ImageLoadManager mImageLoadManager;
         public OnClickListener(ImageLoadManager imageLoadManager) {
@@ -67,7 +100,7 @@ public class LoadImageView extends ImageView {
         
         @Override
         public void onClick(View v) {
-            LoadImageView.this.setImageBitmap(Ui.BITMAP_LAUNCH);
+            LoadImageView.this.setImageResource(R.drawable.ic_launcher);
             mImageLoadManager.add(LoadImageView.this, true);
         }
     }