Question

我必须制作和申请表片,显示新的杂志及其网页。每个杂志都有大约70页,每一页都有大约700 000台 by的图像。主要读物显示大形象和小孔(Gall Viewery)的图像。我与3.2国合作。当我增加画面,我尝试幻灯片时,它确实进展顺利。有时甚至装上所有图像,LogCat显示我这一信息:

11-17 14:30:51.598: D/skia(5868): libjpeg error 105 <  Ss=%d, Se=%d, Ah=%d, Al=%d> from read_scanlines [128 168]
11-17 14:30:51.598: D/skia(5868): --- decoder->decode returned false

Now I put into gallery about 7 images which I scale like this:

public Bitmap decodeFile(String f) {
    try {
        BitmapFactory.Options o = new BitmapFactory.Options();
        o.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(new FileInputStream(f),null,o);

        final int REQUIRED_SIZE=75;

        int width_tmp=o.outWidth, height_tmp=o.outHeight;
        int scale=1;
        while(true) {
            if(width_tmp/2<REQUIRED_SIZE || height_tmp/2<REQUIRED_SIZE)
                break;
            width_tmp/=2;
            height_tmp/=2;
            scale*=2;
        }
        BitmapFactory.Options o2 = new BitmapFactory.Options();
        o2.inSampleSize=scale;
        return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
    } catch (FileNotFoundException e) {}
    return null;
}

并且如上所示:

    public View getView(int position, View convertView, ViewGroup parent) {
        View retval = LayoutInflater.from(parent.getContext()).inflate(R.layout.viewitem, null);
        ImageView iV = (ImageView) retval.findViewById(R.id.image);
        String path = ArrayHelper.list.get(position).get("pageId").toString();
        Bitmap bP = decodeFile(Environment.getExternalStorageDirectory() + "/MCW/" + path + "/head.jpg");
        iV.setImageBitmap(bP);
        return retval;
    }

今后,我会有更多的热情,我可以想象会如何工作。

我的问题是:应该做些什么? 我应如何装上图像?

Answer 1

你问了一个一般性问题,因此,我能做的最好办法是给你一个一般性答案。你们在杂志上有一个整页的蓝图。你们只应使用页面图。其余应为实际案文。这将大大减少你的记忆脚印。此外,你应当照亮这些比照地图。查阅

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