Android Utililty Methods Folder File List

List of utility methods to do Folder File List

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Description

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

Method

File[]ListFiles(File dir, FilenameFilter filter)
Lists the files in a specific directory that satisfy the filter. 
File[] files = null;
if (dir != null && dir.isDirectory()) {
    files = dir.listFiles(filter);
return files;
ListgetAllFilesAndFolders(File root, boolean containEmpty)
Get all files and directories under the specified fold. 
Assert.assertFileExist(root);
List<File> files = new ArrayList<File>();
if (containEmpty || (!containEmpty && !isEmpty(root))) {
    files.add(root);
if (root.isDirectory()) {
    File[] fs = root.listFiles();
    for (File f : fs) {
...
String[]getFileNames(String dirPath)
get File Names 
return getFileNames(dirPath, null);
String[]getFileNames(String dirPath, FilenameFilter fileNameFilter)
get File Names 
String fileNames[] = null;
File dir = new File(dirPath);
if (dir.isDirectory()) {
    if (fileNameFilter != null) {
        fileNames = dir.list(fileNameFilter);
    } else {
        fileNames = dir.list();
return fileNames;
voidgetFiles(File dir, List outList)
Recursively get the list of the files in a given dir and add it to the list passed in the second argument. 
if (dir == null) {
    return;
try {
    if (!dir.isDirectory()) {
        return;
    File[] list = dir.listFiles();
...
String[]listFiles(String fileName)
list Files 
return listFiles(new File(fileName));
booleanpathContains(String root, String child)
Verifies that a path, child, is inside of a parent path root 
Path childPath = Paths.get(Files.simplifyPath(child));
Path rootPath = Paths.get(root);
return childPath.startsWith(rootPath);
ListlistFile(File file)
list File 
if (file.isDirectory()) {
    File[] files = file.listFiles();
    for (File f : files) {
        listFile(f);
} else {
    fileNames.add(file.getAbsolutePath());
return fileNames;
String[]listFiles(File file)
list Files 
List files = new ArrayList();
File[] fileArray = file.listFiles();
for (int i = 0; i < fileArray.length; i++) {
    if (fileArray[i].isFile()) {
        files.add(fileArray[i].getName());
return (String[]) files.toArray(new String[0]);
...
ListgetFileList(File f)
get File List 
List<File> list = new ArrayList<File>();
for (File tmp : f.listFiles()) {
    list.add(tmp);
return list;