How to use

setMinimumDpi

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

public SubsamplingScaleImageView(Context context, AttributeSet attr) {
  super(context, attr);
  density = getResources().getDisplayMetrics().density;
  setMinimumDpi(160);
  setDoubleTapZoomDpi(160);
  setMinimumTileDpi(320);

@Override
protected void onPageChanged(int page) {
  if (page == 0) {
    view.setMinimumDpi(50);
  } else {
    view.setMaxScale(2F);

public SubsamplingScaleImageView(Context context, AttributeSet attr) {
  super(context, attr);
  density = getResources().getDisplayMetrics().density;
  setMinimumDpi(160);
  setDoubleTapZoomDpi(160);
  setGestureDetector(context);

imageView.setMinimumDpi(80);

mImageView.setZoomEnabled(true);
mImageView.setDoubleTapZoomDpi(160);
mImageView.setMinimumDpi(80);
mImageView.setBitmapDecoderClass(MessagePartDecoder.class);
mImageView.setRegionDecoderClass(MessagePartRegionDecoder.class);