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Power Platform Community / Forums / Power Apps - Power Apps Experimental Features / Show Existing Images a...
Power Apps - Power Apps Experimental Features
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Show Existing Images and Append New Images to Gallery

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Posted on by Phineas 5,177 Super User 2025 Season 2
I need to be able to have existing images (stored in a SharePoint Library [col_Images]), appear in Gallery_1, while also allowing the user to be able to use the 'Add Media'
button (black box) to append new image files to Gallery_1, so I can add all of the images to a PDF Viewer.
 
 
Screen 1: Image Gallery


Screen 2: PDF Viewer
I have the same question (0)
  • Phineas Profile Picture
    Phineas 5,177 Super User 2025 Season 2 on at
    Show Existing Images and Append New Images to Gallery
    @Michael E. Gernaey

    Thank you for your reply.

    Here is a snapshot of the screen with the image gallery and the 'AddMedia' button adjacent (under the black note).

    The screen has the following formula in the 'OnVisible'. This facilitates adding the existing images to the gallery by default.
    ClearCollect(col_All_Resume_Photos,col_Inspection_Photos);
    Collect(col_New_Images,col_All_Resume_Photos);

    The Gallery Items has - 
    If(RPIPS_Photo_Type_Radio.Selected.Value = "Track Photos",
        Filter(col_New_Images,Inspection_Number = RPIPS_Inspection_Number_Fld.Text,
        !IsBlank(Photo_Type) && Photo_Type = "Track Photos"))

    The AddMediaButton 'OnSelect' has the following formula, allowing the user to append
    new images to the gallery with the existing images.
    If(RPIPS_Photo_Type_Radio.Selected.Value = "Track Photos",
    Set(
        varInspectionPhotoName,
        GUID()
    );
    Collect(
        col_New_Images,
        {
            DisplayName: RPIPS_Image_Description_TI.Text & "-" & RPIPS_Inspection_Number_Fld.Text & ".jpg",
            Id: varInspectionPhotoName,
            Name: RPIPS_Image_Description_TI.Text & "-" & RPIPS_Inspection_Number_Fld.Text,
            Inspection_Number: RPIPS_Inspection_Number_Fld.Text,
            Photo_Type: "Track Photos",
            Value: RPIPS_Add_Uploaded_Photo_Media_Button.Media,
            Url: RPIPS_Add_Uploaded_Photo_Media_Button.Media,
            ImageDescription: RPIPS_Image_Description_TI.Text
        }
    )
    );

    There is a Review Image button on the screen that has the following formula, which navigates the user to the next screen
    to review the images before completing the process.
    ClearCollect(
            col_Final_Inspection_Track_Photos,
            {
                DisplayName: RPIPS_Image_Description_TI.Text & "-" & RPIPS_Inspection_Number_Fld.Text & ".jpg",
                Id: varInspectionPhotoName,
                Description: RPIPS_Image_Description_TI.Text,
                Inspection_Number: RPIPS_Inspection_Number_Fld.Text,
                Photo_Type: "Track Photos",
                Value: RPIPS_Add_Uploaded_Photo_Media_Button.Media,
                ImageSource: RPIPS_Add_Uploaded_Photo_Media_Button.Media,
                ImageDescription: RPIPS_Image_Description_TI.Text
            });

    The existing images (+ and Power Apps) and the new image (girl) do appear in the review gallery. A    s you can see, there are two 'ThisItem' commands in the Gallery Items.

    This is the only way I can see all the images. 

    If I use only ThisItem.Value, I can only see the new image (created by the Add Media button).

    If I use only Thumbnail, I can only see the existing images, coming from SharePoint.


    There is a Create PDF Button on the screen with the following formula.
    Set(
        varResumeTrackPhotosReportPDFBlob,
        PDF(
            Resume_RTPG_Container,
            {
                Orientation:PaperOrientation.Portrait,
                Size:PaperSize.A4,
                Margin:"0px",
                DPI: 50})
    );

    This is the PDF Viewer screen. The Document property has varResumeTrackPhotosReportPDFBlob.

    I think there is an issue with the image values being translated into the PDF Viewer.

    As you can see, the viewer makes spaces for all the images but only the image created
    by the AddMediaButton appears.
  • Suggested answer
    Michael E. Gernaey Profile Picture
    Michael E. Gernaey 49,372 Super User 2025 Season 2 on at
    Show Existing Images and Append New Images to Gallery
     
    I am confused at the design.
     
    I do not see a gallery that shows images, I just see a black box that I am guessing is the image control? or some selector?
     
    What I would have done, was to have an actually gallery, vertically, where all images are listed.
    I would have then have an Add + Button that they would press and then they can either Take a picture, or select one.
    Now you would add the image to the SharePoint Library, refresh the Library Datasource (so your gallery refreshes)
    and bingo now you have all your images
     
    Can I ask what part you are stuck on? I would truly treat this like any other "document" interaction
     
    list all your current values
    add a button for them to be able to add another
    whether you show a "modal window" or you have some side control that appears to add the new image and click save (or cancel)
    Save it
    Refresh the Gallery Items source
    Done
     

    If these suggestions help resolve your issue, Please consider Marking the answer as such and also maybe a like.

    Thank you!
    Sincerely, Michael Gernaey

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