Android Utililty Methods File Create

List of utility methods to do File Create

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Description

The list of methods to do File Create are organized into topic(s).

Method

voidensureWorldReadable(File f)
ensure World Readable 
File parent = f.getParentFile();
if (parent != null && !parent.exists()) {
    ensureWorldReadable(parent);
    parent.mkdir();
    parent.setReadable(true, false);
    parent.setExecutable(true, false);
voidensureWorldWriteable(File f)
ensure World Writeable 
File parent = f.getParentFile();
if (parent != null && !parent.exists()) {
    ensureWorldWriteable(parent);
    parent.mkdir();
    parent.setWritable(true, false);
    parent.setExecutable(true, false);
voidensureWriteable(File f)
Ensures that the directories for the file exist 
File parent = f.getParentFile();
if (parent != null) {
    parent.mkdirs();
FilegetFile(File basedir, String path)
get File 
File file = new File(path);
if (file.isAbsolute()) {
    return file;
return new File(basedir, path);
FilegetFile(String filepath)
get File 
File f = new File(filepath);
if (!f.exists()) {
    f = new File("war", filepath);
return f;
FilegetOutputMediaFile(Context context)
get Output Media File 
File mediaStorageDir = Environment
        .getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
if (!mediaStorageDir.exists()) {
    if (!mediaStorageDir.mkdirs()) {
        return null;
String timeStamp = new SimpleDateFormat("ddMMyyyy_HHmm")
...
booleanmakeFile(File file)
make File 
boolean result = false;
makeParent(file);
if (!file.exists()) {
    result = file.createNewFile();
return result;
voidmakeFile(String destinctionFile)
make File 
File f = new File(destinctionFile);
File pf = f.getParentFile();
if (f.exists())
    return;
if (!pf.exists()) {
    pf.mkdirs();
try {
...
FileoverwriteFile(File file)
overwrite File 
if (!file.getParentFile().exists()) {
    file.getParentFile().mkdirs();
if (file.exists()) {
    if (!file.delete()) {
        throw new IOException("Unable to delete output file");
if (!file.createNewFile()) {
    throw new IOException("Unable to create output file");
return file;
booleanverifyCanCreateFile(final String path, final long length)
Checks if a file with a specified size can be created on a specified path. 
final File file = new File(path);
if (!file.exists()) {
    final RandomAccessFile access;
    try {
        access = new RandomAccessFile(file, "rws");
    } catch (FileNotFoundException e) {
        return false;
    try {
        access.setLength(length);
        access.close();
    } catch (IOException e) {
        return false;
    return file.delete();
return false;