*Thank you，*Nobu.
Your Advice is helpful for me.
2012/12/11 Nobu Games <dev.nobu.ga...@gmail.com>
> You should first of all download that image and store it in a file instead
> of directly decoding a 2MB stream (which depending of the compression
> degree will of course explode to a much larger size in memory). From that
> file you can load a smaller version of that image which fits into the view
> that is going to display the bitmap. That's the clean way to avoid your out
> of memory problems.
>
> By the way, what you're trying to do in your second method called
> getBitmapFromInputStream most likely cannot work. You are trying to read
> from the same stream twice, first of all for determining the bitmap size,
> the second time for decoding the actual bitmap. In between these two read
> accesses the stream should be reset to its beginning. However, this is not
> guaranteed to work. Some stream implementations are "one way only". Once it
> is read there is no way back.
>
>
> On Monday, December 10, 2012 9:42:37 AM UTC-6, snowdream wrote:
>>
>> Hi,everyone.
>> if i want to get a large image (eg.a image which size is 2M or
>> larger.)from url, i use the folllowing code ,and get the exception ."Out of
>> Memory".
>> Any good idea?
>> Thank you.
>>
>>
>> private Bitmap getBitmapFromUrl(String url) {
>> Bitmap bitmap = null;
>>
>> try {
>> URL imagePath = new URL(url);
>> HttpURLConnection conn = (HttpURLConnection)imagePath.**
>> openConnection();
>> conn.setConnectTimeout(**CONNECT_TIMEOUT);
>> conn.setReadTimeout(READ_**TIMEOUT);
>> conn.connect();
>> InputStream is = (InputStream) conn.getContent();
>> if (is != null) {
>> // bitmap = getBitmapFromInputStream(is, width, height);
>> bitmap = BitmapFactory.decodeStream((**InputStream)
>> conn.getContent());
>> }
>> } catch(Exception e) {
>> e.printStackTrace();
>> }
>>
>> return bitmap;
>> }
>>
>>
>> public static Bitmap getBitmapFromInputStream(**InputStream is, int
>> width, int height){
>> Bitmap bitmap = null;
>> if (null != is ) {
>> BufferedInputStream bis = new BufferedInputStream(is);
>>
>> BitmapFactory.Options opts = null;
>> if (width > 0 && height > 0) {
>> opts = new BitmapFactory.Options();
>> opts.inJustDecodeBounds = true;
>> BitmapFactory.decodeStream(is, null, opts);
>>
>> // 计算图片缩放比例
>> final int minSideLength = Math.min(width, height);
>> opts.inSampleSize =
>> BitmapUtils.computeSampleSize(**opts.outWidth,
>> opts.outHeight, minSideLength,
>> width * height);
>> opts.inJustDecodeBounds = false;
>> opts.inInputShareable = true;
>> opts.inPurgeable = true;
>> }
>>
>> try {
>> bitmap = BitmapFactory.decodeStream(**bis, null, opts);
>> } catch (OutOfMemoryError e) {
>> e.printStackTrace();
>> }
>> }
>> return bitmap;
>> }
>>
>>
>>
>>
>> --
>> 杨辉
>> Impossible is nothing!
>>
>>
>>
>> ------------------------------**------------------------------**
>> ------------------------
>> HDExplorer APK (A Nice File Manager,Simplicity but not simple.）
>>
>> Google Market：
>> https://market.android.com/**details?id=com.hd.explorer<https://market.android.com/details?id=com.hd.explorer>
>>
>> Google Code：
>> http://code.google.com/p/**hdexplorer/<http://code.google.com/p/hdexplorer/>
>>
>> --
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--
杨辉
Impossible is nothing!
------------------------------------------------------------------------------------
HDExplorer APK (A Nice File Manager,Simplicity but not simple.）
Google Market：
https://market.android.com/details?id=com.hd.explorer
Google Code：
http://code.google.com/p/hdexplorer/
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