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Progressbar on bottom of listview item


Progressbar on bottom of listview item

By : user2956970
Date : November 22 2020, 03:03 PM
Does that help ProgressBar is a view that has a container which has extra padding event it's height is set to wrap_content. So I don't think there is a way other than giving it a minus margin;
code :
android:layout_marginBottom="-7dp"
 <ProgressBar
    android:id="@id/drawer_progressbar2"
    style="?android:attr/progressBarStyleHorizontal"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginBottom="-7dp"
    android:layout_alignParentBottom="true"
    android:clickable="false"
    android:progress="40" /> 


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displaying a ProgressBar in an each item of a ListView

displaying a ProgressBar in an each item of a ListView


By : Oğuz Alp Ündeğerli
Date : March 29 2020, 07:55 AM
this will help I want add a ProgressBar to each item of a ListView , Add a ProgressBar to your Xml and do like this in java file
code :
class RankAdapter extends CursorAdapter
{

   RankAdapter(Cursor c){
        super(RankNew.this,c);
   }

@Override
public void bindView(View row, Context arg1,final Cursor c) {
    // TODO Auto-generated method stub

    final RankHolder holder=(RankHolder)row.getTag();
    holder.populateForm(c,helper);
}

@Override
public View newView(Context ctxt, Cursor c, ViewGroup parent) {
    LayoutInflater inflater=getLayoutInflater();
    View row=inflater.inflate(R.layout.rankvalues,parent,false);
    RankHolder holder=new RankHolder(row);
    dialogmain.dismiss();
    row.setTag(holder);
    return row;
    }
}




class RankHolder{
    private TextView url=null;
    private TextView googletext=null;
    private TextView alexatext=null;
    private View row=null;
    private ProgressBar mSpinner=null;

    RankHolder(View row){
        this.row=row;
        mSpinner =(ProgressBar)row.findViewById(R.id.progress);        
        mSpinner.setIndeterminate(true);
        mSpinner.setVisibility(View.VISIBLE);
        url=(TextView)row.findViewById(R.id.newrankurl);
        googletext=(TextView)row.findViewById(R.id.newrankgoogle);
        alexatext=(TextView)row.findViewById(R.id.newrankalexa);
    }

    void populateForm(final Cursor c,final RankHelper helper){
        new Thread(){
            public void run(){
                try{
                    Thread.sleep(300);
                }catch(Exception e){
                }
                thhandler.sendEmptyMessage(0);
            }
        }.start();
        thhandler=new Handler(){
            @Override
            public void handleMessage(Message msg){
                super.handleMessage(msg);
                mSpinner.setVisibility(View.INVISIBLE);
            }
        };
        url.setText(helper.getUrl(c));
        if(flag==0){
            updateValues(helper.getUrl(c).toString());
        }
        googletext.setText(helper.getGoogle(c));
        alexatext.setText(helper.getAlexa(c));
    }
}
listView with progressbar on every item?

listView with progressbar on every item?


By : Kevin Rierden
Date : March 29 2020, 07:55 AM
Hope this helps You can do like this, but it's not the best practise. you should check the Thread-Sync yourself. and Cache the bitmap use LruCache or WeakRefrences. the demo only show the logic.
code :
final class MyAdapter extends BaseAdapter {

    private final HashMap<String, Bitmap> mImageMap;
    private final HashSet<String> mDownloadingSet;

    public MyAdapter() {
        mImageMap = new HashMap<String, Bitmap>();
        mDownloadingSet = new HashSet<String>();
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return NUMBER_YOU_WANT;
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    public void setImage(String url, Bitmap bitmap) {
        mDownloadingSet.remove(url);
        if (bitmap != null) {
            mImageMap.put(url, bitmap);
            notifyDataSetChanged();
        }
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView == null) {
            convertView = getLayoutInflater().inflate(R.layout.grid_view,
                    parent, false);
            holder = new ViewHolder();

            /***
             * find the views.
             */

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        final String url = "";// Get the image url here.

        if (mImageMap.containsKey(url)) {
            holder.image.setImageBitmap(mImageMap.get(url));
            holder.progressBar.setVisibility(View.GONE);
        } else {
            holder.image.setImageResource(R.drawable.img_downloading);
            holder.progressBar.setVisibility(View.VISIBLE);
            if (!mDownloadingSet.contains(url)) {
                ImageDownloader task = new ImageDownloader();
                mDownloadingSet.add(url);
                task.execute(url);
            }

        }

        return convertView;
    }
}

static class ViewHolder {
    ImageView image;
    ProgressBar progressBar;
}

final class ImageDownloader extends AsyncTask<String, Void, Bitmap> {

    String url;

    @Override
    protected Bitmap doInBackground(String... params) {
            url = params[0];
        final Bitmap bitmap = fetchUrlAndDecode(params[0]);
        return bitmap;
    }

    @Override
    protected void onPostExecute(Bitmap result) {
        mAdapter.setImage(url, result);
    }

    private Bitmap fetchUrlAndDecode(String url) {
        Bitmap bitmap = null;

        /**
         * Fetch your bitmap and decode it.
         */

        return bitmap;
    }

}
Listview have black backgroud when using ProgressBar in every listview item (Android > 3.0)

Listview have black backgroud when using ProgressBar in every listview item (Android > 3.0)


By : Prashanth Podishetti
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , you may also set listview Property android:scrollingCache="false" ,and cacheColorHint to transparent.
Add progressbar at bottom of a listview

Add progressbar at bottom of a listview


By : Aijaz Ali Bugti
Date : March 29 2020, 07:55 AM
this one helps. use instead yourListView.addFooterView(put your ProgressBar View)
Using a progressBar in a listview item

Using a progressBar in a listview item


By : user2323452
Date : March 29 2020, 07:55 AM
I wish this help you I have this listview and it's coded in a fragment class. When selecting a listview item it goes to another fragment and displays the details . But it takes several seconds to load the data because the data i display is using AsyncTask,so it takes some time to get data from the JSON and display . So i need to use a progressBar when an item is clicked in the listview and it should close when the data is ready to display. How can i do this? I referred several tutorials and tried many of them. But i couldn't accomplish what i'm looking for.Hope some of you can help me. , Add ProgressBar to your NewsFragment layout:
code :
<ProgressBar 
    android:id="@+id/progress_bar"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center_horizontal"
    android:indeterminate="true"
    android:visibility="gone" />
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