How to use

setMeasuredDimension

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

/**
 * Measures the width and height of the view, preserving the aspect ratio of the image displayed if wrap_content is
 * used. The image will scale within this box, not resizing the view as it is zoomed.
 */
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
  int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
  int parentWidth = MeasureSpec.getSize(widthMeasureSpec);
  int parentHeight = MeasureSpec.getSize(heightMeasureSpec);
  boolean resizeWidth = widthSpecMode != MeasureSpec.EXACTLY;
  boolean resizeHeight = heightSpecMode != MeasureSpec.EXACTLY;
  int width = parentWidth;
  int height = parentHeight;
  if (sWidth > 0 && sHeight > 0) {
    if (resizeWidth && resizeHeight) {
      width = sWidth();
      height = sHeight();
    } else if (resizeHeight) {
      height = (int)((((double)sHeight()/(double)sWidth()) * width));
    } else if (resizeWidth) {
      width = (int)((((double)sWidth()/(double)sHeight()) * height));
    }
  }
  width = Math.max(width, getSuggestedMinimumWidth());
  height = Math.max(height, getSuggestedMinimumHeight());
  setMeasuredDimension(width, height);
}

/**
 * Measures the width and height of the view, preserving the aspect ratio of the image displayed if wrap_content is
 * used. The image will scale within this box, not resizing the view as it is zoomed.
 */
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
  int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
  int parentWidth = MeasureSpec.getSize(widthMeasureSpec);
  int parentHeight = MeasureSpec.getSize(heightMeasureSpec);
  boolean resizeWidth = widthSpecMode != MeasureSpec.EXACTLY;
  boolean resizeHeight = heightSpecMode != MeasureSpec.EXACTLY;
  int width = parentWidth;
  int height = parentHeight;
  if (sWidth > 0 && sHeight > 0) {
    if (resizeWidth && resizeHeight) {
      width = sWidth();
      height = sHeight();
    } else if (resizeHeight) {
      height = (int)((((double)sHeight()/(double)sWidth()) * width));
    } else if (resizeWidth) {
      width = (int)((((double)sWidth()/(double)sHeight()) * height));
    }
  }
  width = Math.max(width, getSuggestedMinimumWidth());
  height = Math.max(height, getSuggestedMinimumHeight());
  setMeasuredDimension(width, height);
}