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

List of usage examples for android.support.v4.provider DocumentFile fromTreeUri

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Introduction

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

Prototype

public static DocumentFile fromTreeUri(Context context, Uri uri)

Source Link

Usage

From source file:com.kanedias.vanilla.lyrics.LyricsShowActivity.java

/**
 * Write lyrics to *.lrc file through SAF framework - the only way to do it in Android > 4.4 when working with SD card
 *//*ww  w .  j  ava  2 s.  c om*/
private void writeThroughSaf(byte[] data, File original, String name) {
    DocumentFile originalRef;
    if (mPrefs.contains(PREF_SDCARD_URI)) {
        // no sorcery can allow you to gain URI to the document representing file you've been provided with
        // you have to find it again now using Document API

        // /storage/volume/Music/some.mp3 will become [storage, volume, music, some.mp3]
        List<String> pathSegments = new ArrayList<>(Arrays.asList(original.getAbsolutePath().split("/")));
        Uri allowedSdRoot = Uri.parse(mPrefs.getString(PREF_SDCARD_URI, ""));
        originalRef = findInDocumentTree(DocumentFile.fromTreeUri(this, allowedSdRoot), pathSegments);
    } else {
        // user will click the button again
        return;
    }

    if (originalRef == null || originalRef.getParentFile() == null) {
        // nothing selected or invalid file?
        Toast.makeText(this, R.string.saf_nothing_selected, Toast.LENGTH_LONG).show();
        return;
    }

    DocumentFile lrcFileRef = originalRef.getParentFile().createFile("image/*", name);
    if (lrcFileRef == null) {
        // couldn't create file?
        Toast.makeText(this, R.string.saf_write_error, Toast.LENGTH_LONG).show();
        return;
    }

    try {
        ParcelFileDescriptor pfd = getContentResolver().openFileDescriptor(lrcFileRef.getUri(), "rw");
        if (pfd == null) {
            // should not happen
            Log.e(LOG_TAG, "SAF provided incorrect URI!" + lrcFileRef.getUri());
            return;
        }

        FileOutputStream fos = new FileOutputStream(pfd.getFileDescriptor());
        fos.write(data);
        fos.close();

        // rescan original file
        Toast.makeText(this, R.string.file_written_successfully, Toast.LENGTH_SHORT).show();
    } catch (Exception e) {
        Toast.makeText(this, getString(R.string.saf_write_error) + e.getLocalizedMessage(), Toast.LENGTH_LONG)
                .show();
        Log.e(LOG_TAG, "Failed to write to file descriptor provided by SAF!", e);
    }
}

From source file:com.filemanager.free.filesystem.FileUtil.java

/**
 * Get a DocumentFile corresponding to the given file (for writing on ExtSdCard on Android 5). If the file is not
 * existing, it is created.//from w ww  .  j a v  a  2  s .  com
 *
 * @param file        The file.
 * @param isDirectory flag indicating if the file should be a directory.
 * @return The DocumentFile
 */
public static DocumentFile getDocumentFile(final File file, final boolean isDirectory, Context context) {
    String baseFolder = getExtSdCardFolder(file, context);
    boolean originalDirectory = false;
    if (baseFolder == null) {
        return null;
    }

    String relativePath = null;
    try {
        String fullPath = file.getCanonicalPath();
        if (!baseFolder.equals(fullPath))
            relativePath = fullPath.substring(baseFolder.length() + 1);
        else
            originalDirectory = true;
    } catch (IOException e) {
        return null;
    } catch (Exception f) {
        originalDirectory = true;
        //continue
    }
    String as = PreferenceManager.getDefaultSharedPreferences(context).getString("URI", null);

    Uri treeUri = null;
    if (as != null)
        treeUri = Uri.parse(as);
    if (treeUri == null) {
        return null;
    }

    // start with root of SD card and then parse through document tree.
    DocumentFile document = DocumentFile.fromTreeUri(context, treeUri);
    if (originalDirectory)
        return document;
    String[] parts = relativePath.split("\\/");
    for (int i = 0; i < parts.length; i++) {
        DocumentFile nextDocument = document.findFile(parts[i]);

        if (nextDocument == null) {
            if ((i < parts.length - 1) || isDirectory) {
                nextDocument = document.createDirectory(parts[i]);
            } else {
                nextDocument = document.createFile("image", parts[i]);
            }
        }
        document = nextDocument;
    }

    return document;
}

From source file:com.xperia64.timidityae.Globals.java

public static boolean renameDocumentFile(Context c, String from, String subTo) {
    // From is the full path
    // subTo is the path without the device prefix. 
    // So /storage/sdcard1/folder/file.mid should be folder/file.mid
    if (theFold == null)
        return false;
    from = from.replace("//", "/");
    subTo = subTo.replace("//", "/");
    DocumentFile df = DocumentFile.fromTreeUri(c, theFold);
    String split[] = from.split("/");
    int i;//  w ww.jav  a  2 s. c  o m
    for (i = 0; i < split.length; i++) {
        if (split[i].equals(df.getName())) {
            i++;
            break;
        }
    }
    DocumentFile xx = df;
    StringBuilder upper = new StringBuilder();
    while (i < split.length) {
        xx = xx.findFile(split[i++]);
        upper.append("../");
        if (xx == null) {
            Log.e("TimidityAE Globals", "Rename file error.");
            break;
        }
    }
    if (xx != null && upper.length() > 3) {
        return xx.renameTo(upper.substring(0, upper.length() - 3) + subTo);
    }
    return false;
}

From source file:com.xperia64.timidityae.Globals.java

public static void tryToDeleteFile(Context c, String filename) {
    filename = filename.replace("//", "/");
    if (new File(filename).exists()) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && Globals.theFold != null) {
            DocumentFile df = DocumentFile.fromTreeUri(c, theFold);
            String split[] = filename.split("/");
            int i;
            for (i = 0; i < split.length; i++) {
                if (split[i].equals(df.getName())) {
                    i++;/*from   ww w.j ava2s  .c  o m*/
                    break;
                }
            }
            DocumentFile xx = df;
            while (i < split.length) {
                xx = xx.findFile(split[i++]);
                //upper.append("../");
                if (xx == null) {
                    Log.e("TimidityAE Globals", "Delete file error.");
                    break;
                }
            }
            // Why on earth is DocumentFile's delete method recursive by default?
            // Seriously. I wiped my sd card twice because of this.
            if (xx != null && xx.isFile() && !xx.isDirectory()) {
                xx.delete();
            }
        } else {
            new File(filename).delete();
        }
    }
}

From source file:com.farmerbb.notepad.activity.MainActivity.java

@TargetApi(Build.VERSION_CODES.KITKAT)
@Override/*from   ww w  . j a  va  2s.c om*/
public void onActivityResult(int requestCode, int resultCode, Intent resultData) {

    if (resultCode == RESULT_OK && resultData != null) {
        successful = true;

        if (requestCode == IMPORT) {
            Uri uri = resultData.getData();
            ClipData clipData = resultData.getClipData();

            if (uri != null)
                successful = importNote(uri);
            else if (clipData != null)
                for (int i = 0; i < clipData.getItemCount(); i++) {
                    successful = importNote(clipData.getItemAt(i).getUri());
                }

            // Show toast notification
            showToast(successful
                    ? (uri == null ? R.string.notes_imported_successfully : R.string.note_imported_successfully)
                    : R.string.error_importing_notes);

            // Send broadcast to NoteListFragment to refresh list of notes
            Intent listNotesIntent = new Intent();
            listNotesIntent.setAction("com.farmerbb.notepad.LIST_NOTES");
            LocalBroadcastManager.getInstance(this).sendBroadcast(listNotesIntent);
        } else if (requestCode == EXPORT) {
            try {
                saveExportedNote(loadNote(filesToExport[fileBeingExported].toString()), resultData.getData());
            } catch (IOException e) {
                successful = false;
            }

            fileBeingExported++;
            if (fileBeingExported < filesToExport.length)
                reallyExportNotes();
            else
                showToast(successful
                        ? (fileBeingExported == 1 ? R.string.note_exported_to : R.string.notes_exported_to)
                        : R.string.error_exporting_notes);

            File fileToDelete = new File(getFilesDir() + File.separator + "exported_note");
            fileToDelete.delete();
        } else if (requestCode == EXPORT_TREE) {
            DocumentFile tree = DocumentFile.fromTreeUri(this, resultData.getData());

            for (Object exportFilename : filesToExport) {
                try {
                    DocumentFile file = tree.createFile("text/plain",
                            generateFilename(loadNoteTitle(exportFilename.toString())));

                    if (file != null)
                        saveExportedNote(loadNote(exportFilename.toString()), file.getUri());
                    else
                        successful = false;
                } catch (IOException e) {
                    successful = false;
                }
            }

            showToast(successful ? R.string.notes_exported_to : R.string.error_exporting_notes);
        }
    }
}

From source file:com.xperia64.timidityae.Globals.java

public static void tryToCreateFile(Context c, String filename) {
    filename = filename.replace("//", "/");
    if (!(new File(filename).exists())) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && theFold != null) {
            DocumentFile df = DocumentFile.fromTreeUri(c, theFold);
            String split[] = filename.split("/");
            int i;
            for (i = 0; i < split.length; i++) {
                if (split[i].equals(df.getName())) {
                    i++;//from w  ww . j a v  a  2s  . c  om
                    break;
                }
            }
            DocumentFile xx = df;
            while (i < split.length - 1) {
                xx = xx.findFile(split[i++]);
                if (xx == null) {
                    Log.e("TimidityAE Globals", "Create file error.");
                    break;
                }
            }
            if (xx != null) {
                xx.createFile("timidityae/tpl", split[split.length - 1]);
            }
        } else {
            try {
                new File(filename).createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:com.anjalimacwan.MainActivity.java

@TargetApi(Build.VERSION_CODES.KITKAT)
@Override// ww  w.j ava  2  s  . c o  m
public void onActivityResult(int requestCode, int resultCode, Intent resultData) {
    if (resultCode == RESULT_OK && resultData != null) {
        successful = true;

        if (requestCode == IMPORT) {
            Uri uri = resultData.getData();
            ClipData clipData = resultData.getClipData();

            if (uri != null)
                successful = importNote(uri);
            else if (clipData != null)
                for (int i = 0; i < clipData.getItemCount(); i++) {
                    successful = importNote(clipData.getItemAt(i).getUri());
                }

            // Show toast notification
            showToast(successful
                    ? (uri == null ? R.string.notes_imported_successfully : R.string.note_imported_successfully)
                    : R.string.error_importing_notes);

            // Send broadcast to NoteListFragment to refresh list of notes
            Intent listNotesIntent = new Intent();
            listNotesIntent.setAction("com.anjalimacwan.LIST_NOTES");
            LocalBroadcastManager.getInstance(this).sendBroadcast(listNotesIntent);
        } else if (requestCode == EXPORT) {
            try {
                saveExportedNote(loadNote(filesToExport[fileBeingExported].toString()), resultData.getData());
            } catch (IOException e) {
                successful = false;
            }

            fileBeingExported++;
            if (fileBeingExported < filesToExport.length)
                reallyExportNote();
            else
                showToast(successful
                        ? (fileBeingExported == 1 ? R.string.note_exported_to : R.string.notes_exported_to)
                        : R.string.error_exporting_notes);

        } else if (requestCode == EXPORT_TREE) {
            DocumentFile tree = DocumentFile.fromTreeUri(this, resultData.getData());

            for (Object exportFilename : filesToExport) {
                try {
                    DocumentFile file = tree.createFile("text/plain",
                            generateFilename(loadNoteTitle(exportFilename.toString())));
                    saveExportedNote(loadNote(exportFilename.toString()), file.getUri());
                } catch (IOException e) {
                    successful = false;
                }
            }

            showToast(successful ? R.string.notes_exported_to : R.string.error_exporting_notes);
        }
    }
}

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

@TargetApi(19)
public static DocumentFile getSaveDirNew(boolean forceSaveToInternalMemory) {
    DocumentFile saveDir = null;//from  w w w.j a va  2s.co m
    boolean usePhoneMem = true;

    String abcDir = "Camera";
    if (sortByData) {
        Calendar rightNow = Calendar.getInstance();
        abcDir = String.format("%tF", rightNow);
    }

    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;
}