Decode a part of Bitmap from file in Android

Question

I have a file with a very large image: for example 9000x9000.

I can\'t load the Bitmap in memory because the heap size. But I only need to display a small part of th

Answer 1

try this code:

private Bitmap decodeFile(File f) {
    Bitmap b = null;
    try {
        BitmapFactory.Options o = new BitmapFactory.Options();
        o.inJustDecodeBounds = true;
        FileInputStream fis = new FileInputStream(f);
        b=Bitmap.createBitmap(BitmapFactory.decodeStream(fis, null, o), 100, 200, 200, 400, null, null);
        fis.close();
    } catch (IOException e) {
    }
    return b;
}

Am not sure, but this may give some idea to you