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GridView not displaying correct thumbnail


GridView not displaying correct thumbnail

By : Mike Vignapiano
Date : November 18 2020, 01:01 AM
will be helpful for those in need Inside your getView() function you're not setting the thumbnail correctly in the case where convertView is not null. Rearrange your code like this to handle that case:
code :
public View getView(int position, View convertView, ViewGroup parent) 
{
    ImageView imageView;
    if (convertView == null) {
        imageView = new ImageView(mActivity);
    } else {
        imageView = (ImageView) convertView;
    }

    if(mFilePaths.get(position).contains("jpg") || mFilePaths.get(position).contains("jpeg") ||
                 mFilePaths.get(position).contains("png"))
    {
        Bitmap image = BitmapFactory.decodeFile(mFilePaths.get(position));    //Creation of Thumbnail of image
        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        imageView.setLayoutParams(new GridView.LayoutParams(imageWidth, imageWidth));
        imageView.setImageBitmap(image);

    }
    else if(mFilePaths.get(position).contains(".mp4") || mFilePaths.get(position).contains(".3gp"))
    {
        Bitmap video = ThumbnailUtils.createVideoThumbnail(mFilePaths.get(position), imageWidth); //Creation of Thumbnail of video
        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        imageView.setLayoutParams(new GridView.LayoutParams(imageWidth, imageWidth));
        imageView.setImageBitmap(video);
    }

    return imageView;
}


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adding thumbnail to gridview

adding thumbnail to gridview


By : nitro29
Date : March 29 2020, 07:55 AM
Does that help I have been struggling for a while to add a thumbnail of an image to a gridview so that the image can be displayed as a smaller version of the original.
code :
public void Thumb(string file) 
{
    System.Drawing.Image image = System.Drawing.Image.FromFile(Server.MapPath(file));
    System.Drawing.Image thumbnailImage = image.GetThumbnailImage(70, 70, new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback), IntPtr.Zero);
    System.IO.MemoryStream imageStream = new System.IO.MemoryStream();
    thumbnailImage.Save(imageStream, System.Drawing.Imaging.ImageFormat.Jpeg);
    byte[] imageContent = new Byte[imageStream.Length];
    imageStream.Position = 0;
    imageStream.Read(imageContent, 0, (int)imageStream.Length);
    Response.ContentType = "image/jpeg";
    Response.BinaryWrite(imageContent);
}
SQL Code in home rolled gridview search results not displaying correct results

SQL Code in home rolled gridview search results not displaying correct results


By : lilian aker
Date : March 29 2020, 07:55 AM
will be helpful for those in need I got my question answered on the Database Administrators board. My OR clause was breaking the query.
Bootstrap 3 thumbnail displaying content outside thumbnail

Bootstrap 3 thumbnail displaying content outside thumbnail


By : Caroline Vanderloo
Date : March 29 2020, 07:55 AM
I wish this helpful for you by adding
after i closed the row div and before i close the thumbnail div.
and changing
to
code :
<div class="col-md-4 col-sm-6">
                <div class="thumbnail">
                     <h4 align="center">Landscaping & Ground Work</h4>
                         <img src="/images/icons/garden.png" alt="Landscaping & Ground Work">

                         <div ="row">
                              <div class="col-xs-6 col-sm-6 col-md-6 col-lg-6 col-xl-6">
                                   <ul class="">
                                       <li>test</li>
                                       <li>test</li>
                                   </ul>
                              </div>
                              <div class="col-xs-6 col-sm-6 col-md-6 col-lg-6 col-xl-6">
                                   <ul class="">
                                       <li>test</li>
                                       <li>test</li>
                                   </ul>
                              </div>
                         </div>
                    <div style="display:block;clear:both"></div>
                </div>
            </div>
GridView items not displaying correct images or backgrounds

GridView items not displaying correct images or backgrounds


By : user3236910
Date : March 29 2020, 07:55 AM
it helps some times If i've understood correctly, then I think the issue is that you're processing (iterating through) all your results every time you call your getView() method, rather than the single result you want.
Instead of
code :
for(SensorResult result:mSensorResultList){
        String sensorType = result.getSensorType();
...
sensorType = mSensorResultList.get(position).getSensorType();
how to hide a column while displaying in Gridview after binding datasource to gridview

how to hide a column while displaying in Gridview after binding datasource to gridview


By : user2334692
Date : March 29 2020, 07:55 AM
With these it helps I found the answer. Added below code in styles file and i am getting what i want.
#dataGrid1 div:nth-child(n+2) td:nth-child(7) { display: none; }
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