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@ -13,11 +13,11 @@ import android.os.ParcelFileDescriptor
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import android.provider.DocumentsContract
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import android.provider.DocumentsProvider
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import android.webkit.MimeTypeMap
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import java.io.*
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import org.yuzu.yuzu_emu.BuildConfig
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import org.yuzu.yuzu_emu.R
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import org.yuzu.yuzu_emu.YuzuApplication
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import org.yuzu.yuzu_emu.getPublicFilesDir
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import java.io.*
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class DocumentProvider : DocumentsProvider() {
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private val baseDirectory: File
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@ -44,7 +44,7 @@ class DocumentProvider : DocumentsProvider() {
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DocumentsContract.Document.COLUMN_SIZE
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)
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const val AUTHORITY : String = BuildConfig.APPLICATION_ID + ".user"
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const val AUTHORITY: String = BuildConfig.APPLICATION_ID + ".user"
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const val ROOT_ID: String = "root"
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}
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@ -58,7 +58,11 @@ class DocumentProvider : DocumentsProvider() {
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private fun getFile(documentId: String): File {
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if (documentId.startsWith(ROOT_ID)) {
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val file = baseDirectory.resolve(documentId.drop(ROOT_ID.length + 1))
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if (!file.exists()) throw FileNotFoundException("${file.absolutePath} ($documentId) not found")
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if (!file.exists()) {
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throw FileNotFoundException(
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"${file.absolutePath} ($documentId) not found"
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)
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}
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return file
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} else {
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throw FileNotFoundException("'$documentId' is not in any known root")
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@ -80,7 +84,8 @@ class DocumentProvider : DocumentsProvider() {
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add(DocumentsContract.Root.COLUMN_SUMMARY, null)
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add(
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DocumentsContract.Root.COLUMN_FLAGS,
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DocumentsContract.Root.FLAG_SUPPORTS_CREATE or DocumentsContract.Root.FLAG_SUPPORTS_IS_CHILD
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DocumentsContract.Root.FLAG_SUPPORTS_CREATE or
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DocumentsContract.Root.FLAG_SUPPORTS_IS_CHILD
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)
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add(DocumentsContract.Root.COLUMN_TITLE, context!!.getString(R.string.app_name))
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add(DocumentsContract.Root.COLUMN_DOCUMENT_ID, getDocumentId(baseDirectory))
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@ -127,11 +132,13 @@ class DocumentProvider : DocumentsProvider() {
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try {
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if (DocumentsContract.Document.MIME_TYPE_DIR == mimeType) {
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if (!newFile.mkdir())
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if (!newFile.mkdir()) {
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throw IOException("Failed to create directory")
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}
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} else {
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if (!newFile.createNewFile())
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if (!newFile.createNewFile()) {
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throw IOException("Failed to create file")
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}
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}
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} catch (e: IOException) {
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throw FileNotFoundException("Couldn't create document '${newFile.path}': ${e.message}")
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@ -142,8 +149,9 @@ class DocumentProvider : DocumentsProvider() {
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override fun deleteDocument(documentId: String?) {
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val file = getFile(documentId!!)
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if (!file.delete())
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if (!file.delete()) {
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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}
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}
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override fun removeDocument(documentId: String, parentDocumentId: String?) {
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@ -151,38 +159,55 @@ class DocumentProvider : DocumentsProvider() {
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val file = getFile(documentId)
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if (parent == file || file.parentFile == null || file.parentFile!! == parent) {
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if (!file.delete())
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if (!file.delete()) {
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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}
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} else {
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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}
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}
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override fun renameDocument(documentId: String?, displayName: String?): String {
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if (displayName == null)
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throw FileNotFoundException("Couldn't rename document '$documentId' as the new name is null")
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if (displayName == null) {
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throw FileNotFoundException(
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"Couldn't rename document '$documentId' as the new name is null"
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)
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}
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val sourceFile = getFile(documentId!!)
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val sourceParentFile = sourceFile.parentFile
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?: throw FileNotFoundException("Couldn't rename document '$documentId' as it has no parent")
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?: throw FileNotFoundException(
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"Couldn't rename document '$documentId' as it has no parent"
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)
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val destFile = sourceParentFile.resolve(displayName)
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try {
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if (!sourceFile.renameTo(destFile))
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throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}'")
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if (!sourceFile.renameTo(destFile)) {
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throw FileNotFoundException(
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"Couldn't rename document from '${sourceFile.name}' to '${destFile.name}'"
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)
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}
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} catch (e: Exception) {
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throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}': ${e.message}")
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throw FileNotFoundException(
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"Couldn't rename document from '${sourceFile.name}' to '${destFile.name}': " +
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"${e.message}"
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)
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}
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return getDocumentId(destFile)
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}
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private fun copyDocument(
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sourceDocumentId: String, sourceParentDocumentId: String,
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sourceDocumentId: String,
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sourceParentDocumentId: String,
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targetParentDocumentId: String?
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): String {
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if (!isChildDocument(sourceParentDocumentId, sourceDocumentId))
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throw FileNotFoundException("Couldn't copy document '$sourceDocumentId' as its parent is not '$sourceParentDocumentId'")
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if (!isChildDocument(sourceParentDocumentId, sourceDocumentId)) {
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throw FileNotFoundException(
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"Couldn't copy document '$sourceDocumentId' as its parent is not " +
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"'$sourceParentDocumentId'"
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)
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}
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return copyDocument(sourceDocumentId, targetParentDocumentId)
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}
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@ -193,8 +218,13 @@ class DocumentProvider : DocumentsProvider() {
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val newFile = parent.resolveWithoutConflict(oldFile.name)
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try {
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if (!(newFile.createNewFile() && newFile.setWritable(true) && newFile.setReadable(true)))
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if (!(
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newFile.createNewFile() && newFile.setWritable(true) &&
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newFile.setReadable(true)
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)
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) {
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throw IOException("Couldn't create new file")
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}
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FileInputStream(oldFile).use { inStream ->
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FileOutputStream(newFile).use { outStream ->
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@ -209,12 +239,14 @@ class DocumentProvider : DocumentsProvider() {
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}
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override fun moveDocument(
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sourceDocumentId: String, sourceParentDocumentId: String?,
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sourceDocumentId: String,
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sourceParentDocumentId: String?,
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targetParentDocumentId: String?
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): String {
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try {
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val newDocumentId = copyDocument(
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sourceDocumentId, sourceParentDocumentId!!,
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sourceDocumentId,
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sourceParentDocumentId!!,
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targetParentDocumentId
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)
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removeDocument(sourceDocumentId, sourceParentDocumentId)
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@ -245,24 +277,30 @@ class DocumentProvider : DocumentsProvider() {
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add(DocumentsContract.Document.COLUMN_DOCUMENT_ID, localDocumentId)
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add(
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DocumentsContract.Document.COLUMN_DISPLAY_NAME,
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if (localFile == baseDirectory) context!!.getString(R.string.app_name) else localFile.name
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if (localFile == baseDirectory) {
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context!!.getString(R.string.app_name)
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} else {
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localFile.name
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}
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)
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add(DocumentsContract.Document.COLUMN_SIZE, localFile.length())
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add(DocumentsContract.Document.COLUMN_MIME_TYPE, getTypeForFile(localFile))
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add(DocumentsContract.Document.COLUMN_LAST_MODIFIED, localFile.lastModified())
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add(DocumentsContract.Document.COLUMN_FLAGS, flags)
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if (localFile == baseDirectory)
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if (localFile == baseDirectory) {
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add(DocumentsContract.Root.COLUMN_ICON, R.drawable.ic_yuzu)
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}
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}
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return cursor
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}
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private fun getTypeForFile(file: File): Any {
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return if (file.isDirectory)
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return if (file.isDirectory) {
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DocumentsContract.Document.MIME_TYPE_DIR
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else
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} else {
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getTypeForName(file.name)
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}
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}
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private fun getTypeForName(name: String): Any {
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@ -270,8 +308,9 @@ class DocumentProvider : DocumentsProvider() {
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if (lastDot >= 0) {
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val extension = name.substring(lastDot + 1)
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val mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension)
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if (mime != null)
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if (mime != null) {
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return mime
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}
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}
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return "application/octect-stream"
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}
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Charles Lombardo
GitHub