android-gallery

问题 I want to show a photo in android gallery, and be able to slide throw the others photos on that folder. Intent intent = new Intent(Intent.ACTION_VIEW); File f = new File(path); intent.setDataAndType(Uri.parse("file://" + f.getAbsolutePath()), "image/*"); mContext.startActivity(intent); thats how i am doing it now, but wont let me slide throw the rest of the images in the folder. i tried: How to open one particular folder from gallery in android? Built-in gallery in specific folder Gallery

问题 I want to show a photo in android gallery, and be able to slide throw the others photos on that folder. Intent intent = new Intent(Intent.ACTION_VIEW); File f = new File(path); intent.setDataAndType(Uri.parse("file://" + f.getAbsolutePath()), "image/*"); mContext.startActivity(intent); thats how i am doing it now, but wont let me slide throw the rest of the images in the folder. i tried: How to open one particular folder from gallery in android? Built-in gallery in specific folder Gallery

问题 I'm trying to display all images saved on a specific folder on the gallery, in Android Q getExternalStoragePublicDirectory method is deprecated and not working, How can I get the path of a folder in Android Q ? @Override protected ArrayList<Photo> doInBackground(Void... voids) { ArrayList<Photo> photo = new ArrayList<>(); File downloadsFolder = null; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { // } else { downloadsFolder = Environment.getExternalStoragePublicDirectory(Environment

问题 I am completely new to Android Studio and I have been trying to make an app that scans using the (:scanLibrary) given by this link and followed the instructions given here https://github.com/jhansireddy/AndroidScannerDemo. There is no compilation error but only some runtime error. Can someone help me figure out why this is happening? This is my code package com.mukesh.android.digiwrite; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android

来源： https://stackoverflow.com/questions/35909008/pick-image-from-gallery-or-google-photos-failing

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 I would like to create an deferred loading adapter for use with a Gallery widget. That is to say getView() returns an ImageView immediately, and later some other mechanism will asynchronously call its setImageBitmap() method. I did this by creating a "lazy" ImageView that extends ImageView . public class GalleryImageView extends ImageView { // ... other stuff here ... public void setImage(final Looper looper, final int position) { final Uri uri = looper.get(position); final String path =

问题 I would like to create an deferred loading adapter for use with a Gallery widget. That is to say getView() returns an ImageView immediately, and later some other mechanism will asynchronously call its setImageBitmap() method. I did this by creating a "lazy" ImageView that extends ImageView . public class GalleryImageView extends ImageView { // ... other stuff here ... public void setImage(final Looper looper, final int position) { final Uri uri = looper.get(position); final String path =

问题 i can pick a image and its path using intent. with the use of that path of an image. i have to set that image as attachment of the mail's body content. how its possible in android??? 回答1: Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,getResources().getString(R.string.emlSendToFriendSubject)); emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL,new String[]{emailto}); emailIntent.setType("text/plain");

问题 I am using Universal Image Loader lib in my app and caching the images to my sd card. The images are being saved very well, and i can see them using any file explorer in my mobile. But the images are not shown in gallery. Is there anyway to make them appear in gallery images too. EDITE : File filePath = Environment.getExternalStorageDirectory(); String phNumber[] = Constacts.contactJID.split("@"); String dir = "/Image Messages/"+phNumber[0]; File myCacheDir = new File(filePath, dir); if(!