Android Neutron thread Network viewer with handler message Processor

XML File Code section

<linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"     xmlns: tools= "Http://schemas.android.com/tools"     android:layout_width= "Match_parent"      android:layout_height= "match_parent" android:orientation= "vertical"  >     <imageview        android:id= "@+id/image"          android:layout_width= "Fill_parent"          android:layout_height= "0dip"         android:layout_weight= "1"          />    <LinearLayout          android:layout_width= "Fill_parent"          android:layout_height= "Wrap_content"          android:orientation= "Horizontal"         >        < Edittext             android:id= "@+id/edit"             android:layout_width= "0dip"              android:layout_height= "Wrap_content"              android:layout_weight= "1"              android:singleline= "true"              android:text= "http://e.hiphotos.baidu.com/image/pic/item/ D52a2834349b033b6764dedb17ce36d3d439bdc6.jpg "             />        <Button              aNdroid:id= "@+id/go"             android:layout_ Width= "Wrap_content"             android:layout_ height= "Wrap_content"             android:text= "Go"             android:textsize= "20SP"              />    </LinearLayout> </LinearLayout>

Activity

package com.example.android01;import java.io.inputstream;import java.net.httpurlconnection; import java.net.url;import android.app.activity;import android.graphics.bitmap;import  android.graphics.bitmapfactory;import android.os.bundle;import android.os.handler;import  android.os.message;import android.view.view;import android.view.view.onclicklistener;import  android.widget.button;import android.widget.edittext;import android.widget.imageview;import  android.widget.toast;public class mainactivity extends activity implements  Onclicklistener {private imageview image;private edittext edit;private button  but;private final int success=0;private handler handler=new handler () {@ Overridepublic void handlemessage (android.os.message msg)  {bitmap b= (Bitmap) msg.obj; if (b!=null) {if (msg.what==success) {image.seTimagebitmap (b);}} Else{toast.maketext (Getapplicationcontext (),  "Get picture Error",  0). Show ();}};};      @Override     protected void oncreate (bundle  savedinstancestate)  {        super.oncreate (savedInstanceState);         setcontentview (R.layout.activity_main);         image= (ImageView)  findviewbyid (r.id.image);         edit= (EditText)  findviewbyid (r.id.edit);         but= (Button)  findviewbyid (r.id.go);         But.setonclicklistener (this);    &nbsp @Overridepublic  void onclick (view v)  {final string url=edit.gettext (). toString (); New thread (new runnable ()  {@ Overridepublic void run ()  {bitmap bit=getimagefromNet (URL);//image.setimagebitmap (bit); Message msg=new message (); Msg.obj=bit;msg.what=success;handler.sendmessage (msg);}}). Start ();} Private bitmap getimagefromnet (string url) { httpurlconnection conn=null;try {url  murl=new url (URL);//Create a URL connection  conn= (httpurlconnection)  murl.openconnection ();// Get a Connection object Conn.setrequestmethod ("get");//Set Request method is Getconn.setconnecttimeout (10000);// Set the connection timeout time conn.setreadtimeout (5000);//Set the exception Conn.connect () in the read process; Int responsecode=conn.getresponsecode ();// Get response code, 404,500,200IF (responsecode==200) {//Access succeeded Inputstream in=conn.getinputstream (); Bitmap bitmap=bitmapfactory.decodestream (in);//Convert the stream fetched from the server into a Bitmap bitmap return bitmap;} Else{toast.maketext (this,  "Get Picture Failed",  0). Show ();}}  catch  (exception e)  {e.printstacktrace ();} Finally{if (conn!=null) {conn.disconnect ();}} Return null;}   }

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Android Neutron thread Network viewer with handler message Processor