基本信息
源码名称:android textview 展示图片例子
源码大小:1.42M
文件格式:.zip
开发语言:Java
更新时间:2014-09-16
友情提示:(无需注册或充值,赞助后即可获取资源下载链接)
嘿,亲!知识可是无价之宝呢,但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下,绝对物超所值哦!如有下载和支付问题,请联系我们QQ(微信同号):813200300
本次赞助数额为: 2 元×
微信扫码支付:2 元
×
请留下您的邮箱,我们将在2小时内将文件发到您的邮箱
源码介绍
package com.example.textimage; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; import java.net.URL; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.graphics.drawable.LevelListDrawable; import android.os.AsyncTask; import android.os.Bundle; import android.text.Html; import android.text.Spanned; import android.view.Gravity; import android.view.Menu; import android.widget.TextView; public class MainActivity extends Activity { private String html = "欧盟<br><img src=\"http://y1.ifengimg.com/2014/03/20/09045132.jpg\"><br/>" "乌克兰<br>" "<img src=\"http://y3.ifengimg.com/2014/03/20/11255332.jpg\"><br>俄罗斯<br>" "<img src=\"http://tp4.sinaimg.cn/1794530711/180/5656394191/1\"><br>美国" "<br><img src=\"http://y3.ifengimg.com/2014/03/20/11255332.jpg\">"; private TextView tv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv = (TextView) findViewById(R.id.textTV); NetworkImageGetter imageGetter = new NetworkImageGetter(); Spanned spanned = Html.fromHtml(html, imageGetter, null); // 图片文字居中显示 tv.setGravity(Gravity.CENTER_HORIZONTAL); tv.setText(spanned); } private final class NetworkImageGetter implements Html.ImageGetter { @Override public Drawable getDrawable(String source) { // TODO Auto-generated method stub LevelListDrawable d = new LevelListDrawable(); new LoadImage().execute(source, d); return d; } } /**** 异步加载图片 **/ private final class LoadImage extends AsyncTask<Object, Void, Bitmap> { private LevelListDrawable mDrawable; @Override protected Bitmap doInBackground(Object... params) { String source = (String) params[0]; mDrawable = (LevelListDrawable) params[1]; try { InputStream is = new URL(source).openStream(); return BitmapFactory.decodeStream(is); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(Bitmap bitmap) { if (bitmap != null) { BitmapDrawable d = new BitmapDrawable(bitmap); mDrawable.addLevel(1, 1, d); mDrawable .setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight()); // mDrawable.setBounds(0, 0, // getWindowManager().getDefaultDisplay().getWidth(), // bitmap.getHeight()); mDrawable.setLevel(1); CharSequence t = tv.getText(); tv.setText(t); } } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }