obracanie bitmapy

java.lang.RuntimeException: Canvas: trying to draw too large(120098456bytes) bitmap.

public MyView(Context context)
    {
        super(context);
        width= Resources.getSystem().getDisplayMetrics().widthPixels;
        height=Resources.getSystem().getDisplayMetrics().heightPixels;
        this.context=context;
        paint =new Paint();
        try {
            InputStream is = context.getAssets().open(img_file_name);
            img = BitmapFactory.decodeStream(is);
             
            is.close();


        }
        catch(Exception e){System.out.println("reading  bitmap : "+e.toString());}
        matrix = new Matrix();
        matrix.postRotate( 1);
    }
    @Override
    protected void onDraw(Canvas canvas)
    {
        img = Bitmap.createBitmap(img, 0, 0, img.getWidth(), img.getHeight(), matrix, true);
        canvas.drawBitmap(img,0,0,paint);
        invalidate();
    }