interface FilesManipulator {
    fun createVideoFile(fileName: String, copy: Copier): Uri
    fun createImageFile(fileName: String, copy: Copier): Uri
    fun createFile(fileName: String, copy: Copier): Uri
    fun getPath(uri: Uri): String
    fun deleteFile(uri: Uri)
}

fun getContentValuesForImageCreating(fileName: String): ContentValues {
    return ContentValues().apply {
        put(MediaStore.Images.Media.DISPLAY_NAME, fileName)
        put(MediaStore.Images.Media.IS_PENDING, FILE_WRITING_IN_PENDING)
        put(MediaStore.Images.Media.RELATIVE_PATH, Environment.DIRECTORY_PICTURES + File.separator + appFolderName)
    }
}
fun createImageFile(fileName: String, copy: Copier): Uri {
    val contentUri = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
    val contentValues = getContentValuesForImageCreating(fileName)
    val uri = contentResolver.insert(contentUri, contentValues)
              ?: throw IllegalStateException("New image file insert error")
    downloadContent(uri, copy)
    return uri
}
fun downloadContent(uri: Uri, copy: Copier) {
    try {
        contentResolver.openFileDescriptor(uri, FILE_WRITE_MODE)
                .use { pfd ->
                    if (pfd == null) {
                        throw IllegalStateException("Got nullable file descriptor")
                    }
                    copy.copyTo(FileOutputStream(pfd.fileDescriptor))
                }
        contentResolver.update(uri, getWriteDoneContentValues(), null, null)
    } catch (e: Throwable) {
        deleteFile(uri)
        throw e
    }
}
fun getWriteDoneContentValues(): ContentValues {
    return ContentValues().apply {
        put(MediaStore.Images.Media.IS_PENDING, FILE_WRITING_DONE)
    }
}

<manifest … >
<queries>
<intent>
    <action android:name="android.intent.action.SENDTO" />
    <data android:scheme="smsto, mailto" />
</intent>
…
    <package android:name="com.twitter.android" />
    <package android:name="com.snapchat.android" />
    <package android:name="com.whatsapp" />
    <package android:name="com.facebook.katana" />
    <package android:name="com.instagram.android" />
    <package android:name="com.facebook.orca" />
    <package android:name="com.discord" />
    <package android:name="com.linkedin.android" />
</queries>
</manifest>

<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
<uses-permission
    android:name="android.permission.WRITE_EXTERNAL_STORAGE"
    android:maxSdkVersion="29"
    tools:node="replace" />