添加列表图片加载栈，添加 httpHelper 类，以后完善

src/com/hippo/ehviewer/widget/LoadImageView.java

@@ -0,0 +1,74 @@
+package com.hippo.ehviewer.widget;
+
+import com.hippo.ehviewer.ImageLoadManager;
+import com.hippo.ehviewer.util.Ui;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ImageView;
+
+public class LoadImageView extends ImageView {
+    @SuppressWarnings("unused")
+    private static final String TAG = "LoadImageView";
+    
+    public static final int NONE = 0x0;
+    public static final int LOADING = 0x1;
+    public static final int LOADED = 0x2;
+    public static final int FAIL = 0x3;
+    
+    private int mState = NONE;
+    
+    private String mUrl;
+    private String mKey;
+    
+    public LoadImageView(Context context) {
+        super(context);
+    }
+    public LoadImageView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+    public LoadImageView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+    
+    public void setLoadInfo(String url, String key) {
+        mUrl = url;
+        mKey = key;
+    }
+    
+    public synchronized void setState(int state) {
+        mState = state;
+        if (mState != FAIL)
+            setClickable(false);
+    }
+    
+    public void setOnClickListener(ImageLoadManager ilm) {
+        setOnClickListener(new OnClickListener(ilm));
+    }
+    
+    public String getUrl() {
+        return mUrl;
+    }
+    
+    public String getKey() {
+        return mKey;
+    }
+    
+    public synchronized int getState() {
+        return mState;
+    }
+    
+    class OnClickListener implements View.OnClickListener {
+        private ImageLoadManager mImageLoadManager;
+        public OnClickListener(ImageLoadManager imageLoadManager) {
+            mImageLoadManager = imageLoadManager;
+        }
+        
+        @Override
+        public void onClick(View v) {
+            LoadImageView.this.setImageBitmap(Ui.BITMAP_LAUNCH);
+            mImageLoadManager.add(LoadImageView.this, true);
+        }
+    }
+}