Example usage for android.support.v4.provider DocumentFile createDirectory

Introduction

In this page you can find the example usage for android.support.v4.provider DocumentFile createDirectory.

Prototype

public abstract DocumentFile createDirectory(String str);

Source Link

Usage

From source file:de.arcus.playmusiclib.PlayMusicManager.java

/**
 * Exports a track to the sd card/*from w w  w .  ja  v  a2s  . c  om*/
 * @param musicTrack The music track you want to export
 * @param uri The document tree
 * @return Returns whether the export was successful
 */
public boolean exportMusicTrack(MusicTrack musicTrack, Uri uri, String path) {

    // Check for null
    if (musicTrack == null)
        return false;

    String srcFile = musicTrack.getSourceFile();

    // Could not find the source file
    if (srcFile == null)
        return false;

    String fileTmp = getTempPath() + "/tmp.mp3";

    // Copy to temp path failed
    if (!SuperUserTools.fileCopy(srcFile, fileTmp))
        return false;

    // Encrypt the file
    if (musicTrack.isEncoded()) {
        String fileTmpCrypt = getTempPath() + "/crypt.mp3";

        // Encrypts the file
        if (trackEncrypt(musicTrack, fileTmp, fileTmpCrypt)) {
            // Remove the old tmp file
            FileTools.fileDelete(fileTmp);

            // New tmp file
            fileTmp = fileTmpCrypt;
        } else {
            Logger.getInstance().logWarning("ExportMusicTrack",
                    "Encrypting failed! Continue with decrypted file.");
        }
    }

    String dest;
    Uri copyUri = null;
    if (uri.toString().startsWith("file://")) {
        // Build the full path
        dest = uri.buildUpon().appendPath(path).build().getPath();

        String parentDirectory = new File(dest).getParent();
        FileTools.directoryCreate(parentDirectory);
    } else {
        // Complex uri (Lollipop)
        dest = getTempPath() + "/final.mp3";

        // The root
        DocumentFile document = DocumentFile.fromTreeUri(mContext, uri);

        // Creates the subdirectories
        String[] directories = path.split("\\/");
        for (int i = 0; i < directories.length - 1; i++) {
            String directoryName = directories[i];
            boolean found = false;

            // Search all sub elements
            for (DocumentFile subDocument : document.listFiles()) {
                // Directory exists
                if (subDocument.isDirectory() && subDocument.getName().equals(directoryName)) {
                    document = subDocument;
                    found = true;
                    break;
                }
            }

            if (!found) {
                // Create the directory
                document = document.createDirectory(directoryName);
            }
        }

        // Gets the filename
        String filename = directories[directories.length - 1];

        for (DocumentFile subDocument : document.listFiles()) {
            // Directory exists
            if (subDocument.isFile() && subDocument.getName().equals(filename)) {
                // Delete the file
                subDocument.delete();
                break;
            }
        }

        // Create the mp3 file
        document = document.createFile("music/mp3", filename);

        // Create the directories
        copyUri = document.getUri();
    }

    // We want to export the ID3 tags
    if (mID3Enable) {
        // Adds the meta data
        if (!trackWriteID3(musicTrack, fileTmp, dest)) {
            Logger.getInstance().logWarning("ExportMusicTrack",
                    "ID3 writer failed! Continue without ID3 tags.");

            // Failed, moving without meta data
            if (!FileTools.fileMove(fileTmp, dest)) {
                Logger.getInstance().logError("ExportMusicTrack", "Moving the raw file failed!");

                // Could not copy the file
                return false;
            }
        }
    } else {
        // Moving the file
        if (!FileTools.fileMove(fileTmp, dest)) {
            Logger.getInstance().logError("ExportMusicTrack", "Moving the raw file failed!");

            // Could not copy the file
            return false;
        }
    }

    // We need to copy the file to a uri
    if (copyUri != null) {
        // Lollipop only
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            try {
                // Gets the file descriptor
                ParcelFileDescriptor parcelFileDescriptor = mContext.getContentResolver()
                        .openFileDescriptor(copyUri, "w");

                // Gets the output stream
                FileOutputStream fileOutputStream = new FileOutputStream(
                        parcelFileDescriptor.getFileDescriptor());

                // Gets the input stream
                FileInputStream fileInputStream = new FileInputStream(dest);

                // Copy the stream
                FileTools.fileCopy(fileInputStream, fileOutputStream);

                // Close all streams
                fileOutputStream.close();
                fileInputStream.close();
                parcelFileDescriptor.close();

            } catch (FileNotFoundException e) {
                Logger.getInstance().logError("ExportMusicTrack", "File not found!");

                // Could not copy the file
                return false;
            } catch (IOException e) {
                Logger.getInstance().logError("ExportMusicTrack",
                        "Failed to write the document: " + e.toString());

                // Could not copy the file
                return false;
            }
        }
    }

    // Delete temp files
    cleanUp();

    // Adds the file to the media system
    //new MediaScanner(mContext, dest);

    // Done
    return true;
}

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From source file:com.almalence.opencam.SavingService.java

@TargetApi(19)
public static DocumentFile getSaveDirNew(boolean forceSaveToInternalMemory) {
    DocumentFile saveDir = null;
    boolean usePhoneMem = true;

    String abcDir = "Camera";
    if (sortByData) {
        Calendar rightNow = Calendar.getInstance();
        abcDir = String.format("%tF", rightNow);
    }//  ww w.  jav a 2s .  co  m

    int saveToValue = Integer.parseInt(saveToPreference);
    if (saveToValue == 1 || saveToValue == 2) {
        boolean canWrite = false;
        String uri = saveToPath;
        try {
            saveDir = DocumentFile.fromTreeUri(ApplicationScreen.instance, Uri.parse(uri));
        } catch (Exception e) {
            saveDir = null;
        }
        List<UriPermission> perms = ApplicationScreen.instance.getContentResolver()
                .getPersistedUriPermissions();
        for (UriPermission p : perms) {
            if (p.getUri().toString().equals(uri.toString()) && p.isWritePermission()) {
                canWrite = true;
                break;
            }
        }

        if (saveDir != null && canWrite && saveDir.exists()) {
            if (sortByData) {
                DocumentFile dateFolder = saveDir.findFile(abcDir);
                if (dateFolder == null) {
                    dateFolder = saveDir.createDirectory(abcDir);
                }
                saveDir = dateFolder;
            }
            usePhoneMem = false;
        }
    }

    if (usePhoneMem || forceSaveToInternalMemory) // phone memory (internal
    // sd card)
    {
        saveDir = DocumentFile
                .fromFile(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
        DocumentFile abcFolder = saveDir.findFile(abcDir);
        if (abcFolder == null || !abcFolder.exists()) {
            abcFolder = saveDir.createDirectory(abcDir);
        }
        saveDir = abcFolder;
    }

    return saveDir;
}

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