Have you considered using AsyncTask ? I believe AsyncTask hides the bare-bones of Threading to give a user-friendly interface in which you can write your code (that runs in a separate thread), and it is safe to update your UI from AsyncTask directly.
On Mar 4, 10:16 am, booooooooooooo <[email protected]> wrote: > Hi use this code also > > public class imageloader implements Runnable{ > > private String ss; > //private View v; > //private View v2; > private ImageView im; > > public imageloader(String s, ImageView im) { > this.ss=s; > //this.v2=v2; > this.im=im; > Thread thread = new Thread(this); > thread.start(); > } > public void run(){ > try { > // URL url = new URL(ss); > // URLConnection conn = url.openConnection(); > // conn.connect(); > HttpGet httpRequest = null; > httpRequest = new HttpGet(ss); > HttpClient httpclient = new > DefaultHttpClient(); > HttpResponse response = (HttpResponse) > httpclient.execute(httpRequest); > HttpEntity entity = > response.getEntity(); > BufferedHttpEntity bufHttpEntity = new > BufferedHttpEntity(entity); > InputStream is = bufHttpEntity.getContent(); > // BufferedInputStream bis = new > BufferedInputStream(is); > Bitmap bm = BitmapFactory.decodeStream(is); > Log.d("img","img"); > // bis.close(); > is.close(); > im.setImageBitmap(bm); > // im.forceLayout(); > // v2.postInvalidate(); > // v2.requestLayout(); > } catch (Exception t) { > Log.e("bitmap url", "Exception in > updateStatus()", t); > //goBlooey(t); > // throw new RuntimeException(t); > } > > } > > On Mar 4, 8:30 am, Beena <[email protected]> wrote: > > > > > Thanks A R. > > > I will try as you have suggested then will tell you if any problem > > occure. > > > Again thanks for the reply. > > > On Mar 4, 2:43 am, A R <[email protected]> wrote: > > > > public interface MyListener { > > > public void success(); > > > public void failure(); > > > > } > > > > From your activity: > > > > myServerConnectionHandlerObject.getImages(new MyListener() { > > > //implement both methods here. > > > > }); > > > > public class MyServerConnectionHandler { > > > public void getImages(MyListener l) { > > > //do net stuff on success call l.success(), on failure l.failure() > > > } > > > > } > > > > This is very basic, you need to expand and handle various scenarios > > > > On Mar 3, 3:16 pm, Beena <[email protected]> wrote: > > > > > Thanks A R for your instant reply, > > > > That is what I want actually. > > > > > Can you give some sample code? > > > > I am not able to understand how to set the listener method to update > > > > the view. > > > > > Thanks > > > > > On Mar 3, 2:55 pm, A R <[email protected]> wrote: > > > > > > Start the second activity immediately on start check whether you have > > > > > images to display or not if not create a separate thread (important it > > > > > should be separate thread) to get the images. To this separate thread > > > > > you should pass a listener (which can be your second activity or an > > > > > inner class), when thread gets data it will call the listener's method > > > > > which can update the view. > > > > > During the time when you don't get response you can show loading/ > > > > > spinner. Once image comes you can replace spinner with your image. > > > > > HTH > > > > > > On Mar 3, 2:43 pm, Beena <[email protected]> wrote: > > > > > > > Let me explain. > > > > > > > I want to display the Images(which is from server) and its data in > > > > > > right side of image. > > > > > > To load the images from server I am using this. > > > > > > > Bitmap bmImg=null; > > > > > > URL myFileUrl =null; > > > > > > HttpURLConnection conn=null; > > > > > > try { > > > > > > myFileUrl= new URL(fileUrl);//fileUrl is the image > > > > > > path > > > > > > } catch (MalformedURLException e) { > > > > > > e.printStackTrace(); > > > > > > } > > > > > > try { > > > > > > conn= (HttpURLConnection)myFileUrl.openConnection(); > > > > > > conn.setDoInput(true); > > > > > > conn.connect(); > > > > > > int length = conn.getContentLength(); > > > > > > int[] bitmapData =new int[length]; > > > > > > byte[] bitmapData2 =new byte[length]; > > > > > > InputStream is = conn.getInputStream(); > > > > > > > bmImg = BitmapFactory.decodeStream(is); > > > > > > conn.disconnect(); > > > > > > } catch (IOException e) { > > > > > > conn.disconnect(); > > > > > > return bmImg; > > > > > > } > > > > > > > It will work fine but it will first fetch all the images and then it > > > > > > will display. > > > > > > So it takes lots of time to go for next activity in between there > > > > > > comes black screen as well which i don't want. > > > > > > > So i want to use the Threading. So first the data of the images will > > > > > > be displayed at their position and then as the image load it will > > > > > > display at their respective place. > > > > > > > Thanks for the response. > > > > > > > On Mar 3, 1:34 pm, A R <[email protected]> wrote: > > > > > > > > Beena, I am not able to understand your problem? > > > > > > > > Assuming you are displaying image and content in a list view, you > > > > > > > want > > > > > > > to keep refreshing the view as and when images come? or you want > > > > > > > to > > > > > > > make request for images and corresponding data separately and show > > > > > > > them as and when they come or together? > > > > > > > > On Mar 3, 12:51 pm, Beena <[email protected]> wrote: > > > > > > > > > Is there any one? > > > > > > > > > Please help. > > > > > > > > > On Mar 2, 6:26 pm, Beena <[email protected]> wrote: > > > > > > > > > > Hi, > > > > > > > > > I am facing some strange thing. > > > > > > > > > I have a to display 15 images (from the server) and their > > > > > > > > > detail in > > > > > > > > > besides that. > > > > > > > > > In Activity-A on button Click listener i am fetching the data > > > > > > > > > and > > > > > > > > > image urls from the sever. > > > > > > > > > And in Activity-B I am displaying that images and the > > > > > > > > > appropriate > > > > > > > > > data. > > > > > > > > > > So how can i use the multithreading so that the information > > > > > > > > > will > > > > > > > > > display at their position and as the image is load it will > > > > > > > > > display the > > > > > > > > > image at the appropriate location means multithreading. So no > > > > > > > > > need to > > > > > > > > > wait the user to load whole images. > > > > > > > > > > I am trying through Handler() but it is also not working fine. > > > > > > > > > > Please reply. > > > > > > > > > > If further explanation needed than its welcome. > > > > > > > > > > Thanks- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
