android 简单实现获取网络图片

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/imagePaht"      />    <EditText         android:id="@+id/imagepath"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="http://10.0.2.2:8080/1.png"        />        <Button         android:id="@+id/button"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/button"        />        <ImageView        android:id="@+id/imageView"       android:layout_width="wrap_content"       android:layout_height="wrap_content"        /></LinearLayout>

mainActivity

import java.io.InputStream;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;public class netImageActivity extends Activity {    /** Called when the activity is first created. */private Button button = null;private EditText pathText;private ImageView imageView;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        pathText = (EditText) findViewById(R.id.imagepath);       button = (Button) findViewById(R.id.button);       imageView = (ImageView) findViewById(R.id.imageView);        button.setOnClickListener(new OnClickListener(){public void onClick(View v){// TODO Auto-generated method stubString path = pathText.getText().toString();Log.i("path", path);InputStream is;try{is = ImageService.getImage(path);  //获取图片数据流Bitmap bitMap = BitmapFactory.decodeStream(is);imageView.setImageBitmap(bitMap);}catch (Exception e){// TODO Auto-generated catch blocke.printStackTrace();}}});            }    }

public static InputStream getImage(String path) throws Exception{// TODO Auto-generated method stubURL url = new URL(path); HttpURLConnection conn =   (HttpURLConnection) url.openConnection();conn.setConnectTimeout(5000);conn.setRequestMethod("GET");return conn.getInputStream();}