In Android when we pick an image, video, or any other type of file from the gallery, documents folder, or capture directly from the camera, we receive a URI object in intent. We have different ways to get a full file path from URI based on content providers. You might think that this class is too lengthy, but as mentioned above it handles all scenarios. It checks all android versions and the folders to what the Uri is appointing.
It handles different types of content providers. There are different methods depending upon documents path, is it coming through downloads folder or media directory. It also checks is it picked through SECONDARY_STORAGE or EXTERNAL_STORAGE.
Few other scenarios like Google Photos Uri, Google drive Uri are also handled properly. Just copy this class in your project as a utility class and rest will be handled by it. I want to attach images or video files from the Android storage. When I select a video from the gallery, it returns the content uri path. If you want to launch an activity on Android, you have to use an Intent. You can check each part of Uri using println.
Returned values for my SD card and device main memory are listed below. You can access and delete if file is on memory, but I wasn't able to delete file from SD card using this method, only read or opened image using this absolute path. If you find a solution to delete using this method, please share. I had same question for my file explorer activity. You should know that the contenturi for file only supports mediastore data like image, audio and video. I am giving you the code for getting image content uri from selecting an image from sdcard.
Try this code, maybe it will work for you... Context - A reference to this application's context. Needed to fetch this application's package name. Cannot be null.filePath - A relative or absolute path to a file belonging to this application.
If this file is set to a relative path, then this method will treat it as an asset file within the APK's "assets" directory or within the Google Play expansion file. The previous article Android Pick Multiple Image From Gallery Example has told us how to browse an image gallery to select and show images use Intent.ACTION_GET_CONTENT intent. In that example, we save all user-selected images android file path URI in a list. So we should parse the content provider style URI to the real android file local path by query-related content provider .
With Android 4.4 KitKat , Google introduced the Storage Access Framework , a better way to share, browse and access files accross apps and providers. Cannot be null.file - The file to create a content URI for. To fix all problems with path of images i try create a custom gallery as facebook and other apps. This is because you can use just local files , i solve all problems with this library. Uri provided by FileProvider can be used also providing Uri for sharing files with other apps too.
To get File Uri from a absolute path of File you can use DocumentFile.fromFile (new File ), it's added in Api 22, and returns null for versions below. A content URI allows you to grant read and write access using temporary access permissions. When you create an Intent containing a content URI, in order to send the content URI to a client app, you can also call Intent.setFlags() to add permissions. These permissions are available to the client app for as long as the stack for a receiving Activity is active.
For an Intent going to a Service, the permissions are available as long as the Service is running. I would first check if the content provider for videos provides thumbnails along with metadata. Android is all about "don't implement it yourself if somebody did this already". Really freaks me how every ambitious application tries to create own photo capturing.
The file raw bytes returned by the kony.io.File API can be used for sharing with other apps. Retrieving file information, The client app can get both the DISPLAY_NAME and SIZE for a file by setting all of the arguments of query() to null except for the content URI. Before a client app tries to work with a file for which it has a content URI, the app can request information about the file from the server app, including the file's data type and file size. The data type helps the client app to determine if it can handle the file, and the file size helps the client app set up buffering and caching for the file. User picks an image from the gallery and that yields a URI.
However, I need to get the file path in order to get some data regarding the file size, etc. Because from android SDK version 19, to make Android apps secure, android does not allow one Android app to access another app created files from the android storage system directly. If your Android app wants to access other app created files, you should get the file from its ContentProvider with a content URI. You can also put the content URI in a ClipData object and then add the object to an Intent you send to a client app.
When you use this approach, you can add multiple ClipData objects to the Intent, each with its own content URI. When you call Intent.setFlags() on the Intent to set temporary access permissions, the same permissions are applied to all of the content URIs. ### Serving a Content URI to Another App There are a variety of ways to serve the content URI for a file to a client app.
One common way is for the client app to start your app by calling startActivityResult(), which sends an Intent to your app to start an Activity in your app. In response, your app can immediately return a content URI to the client app or present a user interface that allows the user to pick a file. In the latter case, once the user picks the file your app can return its content URI. In both cases, your app returns the content URI in an Intent sent via setResult(). Represents files in the root of your app's external storage area. The root path of this subdirectory is the same as the value returned by Context#getExternalFilesDir Context.getExternalFilesDir.
Besides image type files, the Intent.ACTION_GET_CONTENTintent can be used to pick up any android documents with any file type extension. Android Beam file transfer copies all the files in a single transfer to one directory on the receiving device. The URI in the content Intent sent by the Android Beam file transfer notification points to the first transferred file. However, your app may also receive an ACTION_VIEW intent from a source other than Android Beam file transfer. To determine how you should handle the incoming Intent, you need to examine its scheme and authority.
Android.database.Cursorquery(android.net.Uri uri, String[] projection, Stringselection, String[] selectionArgs, StringsortOrder)Handles query requests from clients. An absolute path always contains the root element and the complete directory list required to locate the file. For example, /home/sally/statusReport is an absolute path.
All of the information needed to locate the file is contained in the path string. There is no requirement that the user select a piece of content that is saved as a file in a place that you have read access to. And there is no requirement that a ContentProvider offer some means of translating a Uri to a file path. Storage Access Framework or SAF is a newer approach to accessing the files in Android device. Not only local files but you can also access the online storage provider such as Google Drive. ### Generating the Content URI for a File To share a file with another app using a content URI, your app has to generate the content URI.
To generate the content URI, create a new File for the file, then pass the File to getUriForFile(). You can send the content URI returned by getUriForFile() to another app in an Intent. The client app that receives the content URI can open the file and access its contents by calling ContentResolver.openFileDescriptor to get a ParcelFileDescriptor. Represents files in the root of the external storage area.
The root path of this subdirectory is the same as the value returned by Environment.getExternalStorageDirectory(). This method will parse out the real local file path from the file content URI. Because from android SDK version 19, to make Android apps secure, android does not allow one Android app to access other app-created files from the android storage system directly. Before Android 4.4, file browsers returned paths that can be handled by resolveLocalFileSystemURL, but now content provider based paths are returned. When an end-user wants to attach a file from your app to an Email, you must invoke the kony.phone.openEmail function.
When invoking the kony.phone.openEmail function from an Android app, the attachment parameter must be raw bytes. You can directly pass the raw bytes received from the kony.camera and kony.phone.openMediaGallery APIs as the attachment parameter. Because, the raw bytes received from these sources already contain content URI. Within the child element tags, you must specify the attribute, path to define the directory path where the sharable files are located. If you want to share files and directories in the root directory, specify the value of the pathattribute as "/". We can obtain the timestamp to get a unique name for our image.
This method will create the image file in external storage and return the file. Static voidvalidateManifest(android.content.Context context)Checks if the AndroidManifest.xml file is correctly configured for this provider. Android.content.res.AssetFileDescriptoropenAssetFile(android.net.Uri uri, Stringmode)Handles a client request to open a file belonging to this application via a file descriptor. Alternatively, we can use a custom gallery selector that is implemented inside of our application to take full control over the gallery picking user experience. Check out this custom gallery source code gist or older libraries wrapping this up for reference. You can also take a look at older tutorials on custom galleries.
To get File Uri from a absolute path of File you can use DocumentFile. FromFile(new File), it's added in Api 22, and returns null for versions below. Represents files in the cache subdirectory of your app's internal storage area. The root path of this subdirectory is the same as the value returned by getCacheDir(). This method can parse out the real local file path from a file URI.
However I can't seem to find a way to convert this into an absolute path, as I want to load the image into a bitmap without having to copy it somewhere. I know this can be done using the URI and content resolver, but this seems to break on rebooting of the phone, I guess MediaStore doesn't keep its numbering the same between reboots. And then create a provider_paths.xml file inxml folder underres folder. Folder may be needed to create if it doesn't exist. If file path is sent to the target application , file will be fully accessed through the Camera app's process not the sender one. FileProvider is a mechanism provided by Android to generate content URIs of the files to be shared with other apps.
The XML file with sharable directories is passed to the FileProvider for generating the content URI. Based on the specifications defined in the XML file, the FileProvider generates content URIs of file objects. The name attribute indicates the path segment in the generated content URI for the files located in the shared directory. When multiple directories are shared, define the name attribute separately for each directory shared by the path element.
Place the XML file at the workspace/resources/mobile/native/android/xml subdirectory in your mobile app project directory. Kony platform does not share any directory of an app by default due to security concerns. To share directories or files with other apps is under your control.
So, to share files with other apps, you must explicitly specify sharable directories in your app. You can specify the shared directories using an XML file. If the incoming Intent contains a content URI, the URI may point to a directory and file name stored in the MediaStore content provider. You can detect a content URI for MediaStore by testing the URI's authority value. A content URI for MediaStore may come from Android Beam file transfer or from another app, but in both cases you can retrieve a directory and file name for the content URI. Android Beam file transfer copies files to a special directory on the receiving device.
It also scans the copied files using the Android Media Scanner and adds entries for media files to the MediaStore provider. This lesson shows you how to respond when the file copy is complete, and how to locate the copied files on the receiving device. The aim is to create an Intent object to be used for opening or viewing some file. The file is passed as a parameter adn we need to determine it's type based on its extension.
A data URI is a base64 encoded string that represents a file (i.e., instead of specifying the URL of the file, you can insert the content of the file in a webpage). When a browser encounters a URI, it decodes and constructs the original file. DataURIs are most commonly used on the web for images. If you do not want to expose your application's files to other applications, then you should set the provider's "exported" attribute to false in the "AndroidManifest.xml" file. I have an app where I capture a video using the camera.
I can get the video's file path, but I need it as a Uri. These allow users to pick files beyond just images and are easy to drop into any app. If you need to lookup the image type, there is the guessContentTypeFromStream() in the Java library that allows you to get back the mime type (i.e. image/jpeg). It will read the first 16 bytes to determine the type of file.
In order to use this API call, you must pass in a BufferedInputStream() which supports the mark() and reset() method calls required for the guessContentTypeFromStream() to work. In this case, the intention is to select an office document. AdoptIntent.EXTRA_MIME_TYPESTo limit the file type, but in this case, a third-party file manager will appear, which will not take effect in some cases. In the returned URIuri.getAuthority()The value of is not set in manifest.xml itself$.fileproviderButcom.tencent.mtt.fileprovider。 Convert file path to（Test with wechat download directory）After the URI is, it is set to intent. Represents files in the root of your app's external cache area.
The root path of this subdirectory is the same as the value returned by Context.getExternalCacheDir(). Represents files in the files/ subdirectory of your app's internal storage area. This subdirectory is the same as the value returned by Context.getFilesDir().
