android Bitmap Out of Memory problem resolved

2015/01/14 18:16
阅读数 160
 File file=new File(path);
    FileInputStream fs=null;
    try {
        fs = new FileInputStream(file);
    } catch (FileNotFoundException e) {
        //TODO do something intelligent
        e.printStackTrace();
    }

    try {
        if(fs!=null) bm=BitmapFactory.decodeFileDescriptor(fs.getFD(), null, bfOptions);
    } catch (IOException e) {
        //TODO do something intelligent
        e.printStackTrace();
    } finally{ 
        if(fs!=null) {
            try {
                fs.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
    //bm=BitmapFactory.decodeFile(path, bfOptions); This one causes error: java.lang.OutOfMemoryError: bitmap size exceeds VM budget

    im.setImageBitmap(bm);
    //bm.recycle();
    bm=null;}

stackoverflow :

I had this same issue and solved it by avoiding the BitmapFactory.decodeStream or decodeFile functions and instead used BitmapFactory.decodeFileDescriptor

decodeFileDescriptor looks like it calls different native methods than the decodeStream/decodeFile.

Anyway what worked was this (note that I added some options as some had above, but that's not what made the difference. What is critical is the call to Bitmap.decodeFileDescriptor instead of decodeStream ordecodeFile):


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