gallery

问题 I am creating an Android application that needs to store some multimedia files in the internal storage. The user can choose that multimedia files from the picker. Those files must be available even when the user removes them, so they are copied to the internal storage. Here's my code: final Bitmap bitm = MediaStore.Images.Media.getBitmap( this.getContentResolver(), uri ); final int bitmapRawLength = bitm.getAllocationByteCount(); final ByteBuffer byteBuffer = ByteBuffer.allocate(

问题 I'm trying to create a custom gallery that allows users to pick from all the photos and videos contained on their Android device. I know how to create a gallery of just photos and just videos, but if I want to combine both, how can I do this? I think the issue comes down to how I create my cursor. To select all videos, I created the cursor this way: String[] videoParams = {MediaStore.Video.Media._ID, MediaStore.Video.Media.DATA, MediaStore.Video.Media.DATE_TAKEN, MediaStore.Video.Thumbnails

问题 I am trying to position a close button (x) to the top-right corner of an image. That's just before the footer of my page: <div class="modal" id="modal"> <span class="close" id="close">✖</span> <img class="modal-content" id="modal-content"> </div> How I show the modal: function showModal(name) { modal.style.display = "block"; modalImg.src = document.getElementById(name).src; } And here is my styling: /* Background when image is shown */ #modal { display: none; /* Hidden by default */ position:

问题 I have multiple images in rows and I want Lightgallery to capture all the images on my page. I can only seem to get separate light galleries for each row instead of one big gallery. The problem occurs because I have sets of images inside divs, with multiple divs in one big container. How can I get all the images in retreats-image-container to merge/join/combine into one gallery? <div class="container-fluid" id="retreats-image-container"> <div class="row row-center"> <a href="img/retreats

来源： https://stackoverflow.com/questions/39484758/how-to-get-paths-of-folders-that-has-image-or-video

来源： https://stackoverflow.com/questions/39484758/how-to-get-paths-of-folders-that-has-image-or-video

问题 Every example i found on net is opening gallery and get images from gallery as result. My need is i don't want result or images to my app. I just want to trigger gallery app with showing particular folder of images. My App Have separate folder to save images. i need to navigate users directly to that path. 回答1: Try this code. It will retrieve view pictures under storage/emulated/0/Pictures/AppPics You can change the file path according to your directory path. File sdDir = Environment

问题 Does anybody knows if its possible to make a Image picker like this: I've tried with the followings plugins : https://github.com/jamesmontemagno/MediaPlugin https://github.com/matheusneder/Xamarin.Forms.ImagePicker I do not want to create buttons to be able to perform each operation, what I want is that with a single button I suggest which application to use. This is possible? Thanks. 回答1: If you want to pick a photo from the phone's picture library, due to Xamarin.Forms does not include this

问题 case R.id.menu_delete: File photoToDelete = new File(photoPath, photoList[gPosition]); photoToDelete.delete(); checkPhotoFolder(); galleryAdapter.notifyDataSetChanged(); Log.d("position", "" + gPosition); return true; I'm manually delete a photo file using above code. But in the system gallery the photo still show the blank thumbnail. The question is how can I delete the photo file and also the thumbnail of it in the gallery? 回答1: Try invoke the MediaScanner to refresh the gallery // Tell the

问题 I am finishing a function to edit swatches in a grid,and am at the point where small image needs to be swapped with the main image to edit/alter if required, the current code gets the individual image, but not swap it with the main image. I have used .src, but this doesn't seem to be right for a gradient background image, should I use backgroundImage?. Code is below, and works until the swap, which doesnt. The mainID id is the large div at the top of the page "bodybg", where the swatch was