android bitmap转image

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Bitmap bm = BitmapFactory.decodeFile(lis.get(position).toString());

BitmapDrawable drawable = new BitmapDrawable(bm);

// 加载资源里的图片
   private void generateBitmaps() {

       mBitmaps.clear();
       int[] ids = { R.drawable.center_children, R.drawable.center_boya,
               R.drawable.center_store, R.drawable.center_youpeng,
               R.drawable.center_yu };

       for (int id : ids) {

           Bitmap bitmap = createReflectedBitmapById(id);
           if (null != bitmap) {
               BitmapDrawable drawable = new BitmapDrawable(bitmap);
               drawable.setAntiAlias(true);

               mBitmaps.add(drawable);
           }
       }

   }

   private Bitmap createReflectedBitmapById(int resId) {
       Drawable drawable = getResources().getDrawable(resId);
       if (drawable instanceof BitmapDrawable) {

           Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
           // Bitmap reflectedBitmap =
           // BitmapUtil.createReflectedBitmap(bitmap);

           return bitmap;
       }

       return null;
   }