Android Network picture Viewer

Source: Internet
Author: User

Network Picture Viewer
Enter the network picture path, click to view the Web app's pictures displayed on the phone
EditText pathtext= (EditText) This.findviewbyid (;
Button button= (button) This.findviewbyid (;
ImageView ImageView = (ImageView) This.findviewbyid (;
Button.setonclicklistener (New Buttonclicklistener ());
private static class Buttonclicklistener implements View.onclicklistener
public void OnClick (View v)
String path = Pathtext.gettext (). toString ();
byte[] data = imageservice.getimage (path); Get the picture after the image in a byte array to hold the picture data, the process of getting the picture for the business service
Bitmap Bitmap = Bitmapfactory.decodebytearray (data,0,data.length);
Imageview.setimagebitmap (bitmap); Show pictures
}catch (Exception e)
E.printstacktrace ();
Toast.maketext (Getapplicationcontext (), r.string.error,1). Show ();
/* Get network picture data */
public class ImageService
public static byte[] GetImage (String path) throws Exception
URL url = new URL (path);
HttpURLConnection conn= (httpurlconnection) url.openconnection (); Connection object based on HTTP protocol
Conn.setconnecttimeout (5000);
Conn.setrequestmethod ("GET");
if (conn.getresponsecode () = = 200)//Determine if the request was successful
InputStream instream = Conn.getinputstream ();
Return (instream); Encapsulates a tool class that reads binary data from a stream

public class Streamtool
Reading data from a stream
public static byte[] Read (InputStream instream) throws Exception
Bytearrayoutputstream OutStream = new Bytearrayoutputstream ();
byte[] buffer = new byte[1024];
int len=0;
while (len = (buffer))!=-1)
Outstream.write (Buffer,0,len);
Instream.close ();
return Outstream.tobytearray ();

Server-side Dynamic Web Project
Store a picture and start the server. Http://ip:8080/web/gg.gif
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