TextView加载网络图片HTMLIMG

package com.sushang.htmlimg; import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import android.content.Context; import android.graphics.drawable.Drawable; import android.os.AsyncTask; import android.text.Html.ImageGetter; import android.widget.TextView; public class URLImageParser implements ImageGetter { Context c; TextView tv_image; public URLImageParser(TextView t, Context c) { this.tv_image = t; this.c = c; } @Override public Drawable getDrawable(String source) { // TODO Auto-generated method stub URLDrawable urlDrawable = new URLDrawable(); ImageGetterAsyncTask asyncTask = new ImageGetterAsyncTask(urlDrawable); asyncTask.execute(source); return urlDrawable; } public class ImageGetterAsyncTask extends AsyncTask<String, Void, Drawable> { URLDrawable urlDrawable; public ImageGetterAsyncTask(URLDrawable d) { this.urlDrawable = d; } @Override protected void onPostExecute(Drawable result) { if (result != null) { urlDrawable.setBounds(0, 0, 0 + result.getIntrinsicWidth(), 0 + result.getIntrinsicHeight()); urlDrawable.drawable = result; URLImageParser.this.tv_image.invalidate(); } } @Override protected Drawable doInBackground(String... params) { // TODO Auto-generated method stub String source = params[0];// 图片URL return fetchDrawable(source); } // 获取URL的Drawable对象 public Drawable fetchDrawable(String urlString) { try { InputStream is = fetch(urlString); Drawable drawable = Drawable.createFromStream(is, "src"); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); return drawable; } catch (Exception e) { return null; } } private InputStream fetch(String urlString) throws MalformedURLException, IOException { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpGet request = new HttpGet(urlString); HttpResponse response = httpClient.execute(request); return response.getEntity().getContent(); } } }