URLImageParser - TextView show Image html , use Glide Image Library

URLImageParser.java

import java.util.ArrayList;

import com.bumptech.glide.GenericRequestBuilder;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.animation.GlideAnimation;
import com.bumptech.glide.request.target.SimpleTarget;
import com.bumptech.glide.request.target.Target;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.text.Html.ImageGetter;
import android.widget.TextView;

/**
* Idea From http://www.jianshu.com/p/037ae1dfb442
* 
**/
public class URLImageParser implements ImageGetter{

	ArrayList<Target> targets;
	final TextView mTextView;
	Context mContext;

	public URLImageParser(Context ctx , TextView tv){
		this.mTextView = tv;
		this.mContext = ctx;
		this.targets = new ArrayList<Target>();
	}

	@Override
	public Drawable getDrawable(String url) {
		final UrlDrawable urlDrawable = new UrlDrawable();
		final GenericRequestBuilder load = Glide.with(mContext).load(url).asBitmap();
		final Target target = new BitmapTarget(urlDrawable);
		targets.add(target);
		load.into(target);
		return urlDrawable;
	}

	private class BitmapTarget extends SimpleTarget<Bitmap> {

		Drawable drawable;
		private final UrlDrawable urlDrawable;
		public BitmapTarget(UrlDrawable urlDrawable) {
			this.urlDrawable = urlDrawable;
		}
		@Override
		public void onResourceReady(Bitmap resource, GlideAnimation<? super Bitmap> glideAnimation) {

			drawable = new BitmapDrawable(mContext.getResources(), resource);

			mTextView.post(new Runnable() {
				@Override
				public void run() {
					int w = mTextView.getWidth();
					int hh=drawable.getIntrinsicHeight();
					int ww=drawable.getIntrinsicWidth() ;
					int newHeight = hh * ( w  )/ww;
					Rect rect = new Rect( 0 , 0 , w  ,newHeight);
					drawable.setBounds(rect);
					urlDrawable.setBounds(rect);
					urlDrawable.setDrawable(drawable);
					mTextView.setText(mTextView.getText());
					mTextView.invalidate();
				}
			});

		}
	}

	class UrlDrawable extends BitmapDrawable{
		private Drawable drawable;

		@SuppressWarnings("deprecation")
		public UrlDrawable() {
		}
		@Override
		public void draw(Canvas canvas) {
			if (drawable != null)
				drawable.draw(canvas);
		}
		public Drawable getDrawable() {
			return drawable;
		}
		public void setDrawable(Drawable drawable) {
			this.drawable = drawable;
		}
	}

}

Hi. I looked at the source code you wrote.
Thanks to that, I came to the desired result.
However, you can not use GIF for that source. How do I use GIF?