android-fileprovider

Image share intent works for Gmail but crashes FB and twitter

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Twitter (wrongly) assumes that there will be a MediaStore.MediaColumns.DATA column. Starting in KitKat the MediaStore returns null, so luckily, Twitter gracefully handles nulls, and does the right thing. public class FileProvider extends android.support.v4.content.FileProvider { @Override public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { Cursor source = super.query(uri, projection, selection, selectionArgs, … Read more

Android install apk with Intent.VIEW_ACTION not working with File provider

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After a lot of trying I have been able to solve this by creating different Intents for anything lower than Nougat as using the FileProvider to create an install intent with Android Versions before Nougat causes the error: ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.INSTALL_PACKAGE dat=content://XXX.apk flg=0x1 } While using a normal Uri … Read more

Android – file provider – permission denial

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Turns out the only way to solve this is to grant permissions to all of the packages that might need it, like this: List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); for (ResolveInfo resolveInfo : resInfoList) { String packageName = resolveInfo.activityInfo.packageName; context.grantUriPermission(packageName, uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION); }

FileProvider – IllegalArgumentException: Failed to find configured root

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Your file is stored under getExternalFilesDir(). That maps to <external-files-path>, not <files-path>. Also, your file path does not contain images/ in it, so the path attribute in your XML is invalid. Replace res/xml/file_paths.xml with: <?xml version=”1.0″ encoding=”utf-8″?> <paths> <external-files-path name=”my_images” path=”/” /> </paths> UPDATE 2020 MAR 13 Provider path for a specific path as followings: … Read more

How to use support FileProvider for sharing content to other apps?

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Using FileProvider from support library you have to manually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods. For example: //grant permision for app with package “packegeName”, eg. before starting other app via intent context.grantUriPermission(packageName, uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION); //revoke permisions context.revokeUriPermission(uri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION); As a … Read more

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