Databases
StackOverflow2013
Postsdbo
POAndroid show progress bar while image loading dynamically
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POAndroid show progress bar while image loading dynamically
    text
    copied!<p>In one of my project, I am loading images from the dynamic url. Now I need to show the loading dialogue still all the images loads. I am loading the images using the Async task. I am new to android. Please any one give me a little help </p> <p>My code looks like.</p> <pre><code>TableLayout table = (TableLayout)findViewById(R.id.tableLayout_1); for(Integer i=0;i&lt;2;i++){ TableRow rowP = new TableRow(this); rowP.setBackgroundColor(Color.parseColor("#FFF000")); ImageView image = new ImageView(this); String ed="http://www.domain.com/image.jpg"; image.setTag(ed); DownloadImagesTask td=new DownloadImagesTask(); td.execute(image); rowP.addView(image); table.addView(rowP); } } private class DownloadImagesTask extends AsyncTask&lt;ImageView, Void, Bitmap&gt; { ImageView imageView = null; @Override protected Bitmap doInBackground(ImageView... imageViews) { this.imageView = imageViews[0]; return download_Image((String)imageView.getTag()); } @Override protected void onPostExecute(Bitmap result) { imageView.setImageBitmap(result); } private Bitmap download_Image(String url) { Bitmap bmp =null; try{ URL ulrn = new URL(url); HttpURLConnection con = (HttpURLConnection)ulrn.openConnection(); InputStream is = con.getInputStream(); bmp = BitmapFactory.decodeStream(is); if (null != bmp) return bmp; }catch(Exception e){} return bmp; } } </code></pre> <p>Thanks in advance</p> <p><strong>Edit</strong> </p> <pre><code>private class DownloadImagesTask extends AsyncTask&lt;ImageView, Void, Bitmap&gt; { ImageView imageView = null; ProgressDialog dialog; Context context; public DownloadImagesTask(Context context) { this.context = context; } @Override protected Bitmap doInBackground(ImageView... imageViews) { this.imageView = imageViews[0]; return download_Image((String)imageView.getTag()); } @Override protected void onPostExecute(Bitmap result) { imageView.setImageBitmap(result); if (dialog != null) dialog.dismiss(); } @Override protected void onPreExecute() { super.onPreExecute(); dialog = ProgressDialog.show(context, "Title","Message"); } private Bitmap download_Image(String url) { Bitmap bmp =null; try{ URL ulrn = new URL(url); HttpURLConnection con = (HttpURLConnection)ulrn.openConnection(); InputStream is = con.getInputStream(); bmp = BitmapFactory.decodeStream(is); if (null != bmp) return bmp; }catch(Exception e){} return bmp; } } </code></pre>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload