Android Utililty Methods File Delete

List of utility methods to do File Delete

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Description

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

Method

booleandeleteDir(File dir)
delete Dir 
if (dir.isDirectory()) {
    File[] children = dir.listFiles();
    for (File child : children) {
        boolean success = deleteDir(child);
        if (!success) {
            return false;
return dir.delete();
booleandeleteDir(File spec)
Deletes a file or directory. 
if (spec.isDirectory()) {
    String[] children = spec.list();
    for (int i = 0; i < children.length; i++) {
        if (!deleteDir(new File(spec, children[i]))) {
            return false;
return spec.delete();
voiddeleteDirContent(File d)
delete Dir Content 
if (!d.exists())
    return;
if (!d.isDirectory())
    return;
File[] children = d.listFiles();
for (File c : children) {
    if (c.isDirectory())
        deleteDirContent(c);
...
booleandeleteFile(File f)
delete File 
if (f.exists()) {
    if (f.isFile())
        return f.delete();
    else if (f.isDirectory()) {
        File[] files = f.listFiles();
        for (int i = 0; i < files.length; i++) {
            if (!deleteFile(files[i]))
                return false;
...
voiddeleteFile(File f)
Deletes the file 
if (!f.exists())
    return;
if (f.isDirectory()) {
    File[] fs = f.listFiles();
    for (File cf : fs) {
        deleteFile(cf);
f.delete();
voiddeleteFile(File f)
delete File 
if (!f.exists())
    return;
boolean deleted = f.delete();
if (!deleted)
    throw new IllegalStateException("Could not delete file " + f);
booleandeleteFile(File file)
Convenience method that will call delete() on file and if that fails will call file.deleteOnExit() scheduling the file for deletion upon normal server exit. 
boolean result = file.delete();
if (!result) {
    Log.util.warning(8498, file);
    file.deleteOnExit();
return result;
voiddeleteFile(File file)
delete File 
if (!file.exists() || !file.isFile()) {
    return;
if (!file.delete()) {
    throw new IllegalStateException("delete file failed: " + file);
voiddeleteFile(File file)
delete File 
if (file.exists()) { 
    if (file.isFile()) { 
        file.delete(); 
    } else if (file.isDirectory()) { 
        File files[] = file.listFiles(); 
        for (int i = 0; i < files.length; i++) { 
            deleteFile(files[i]); 
    file.delete();
} else {
    System.out.println("????????????" + '\n');
voiddeleteFile(File file)
delete File 
if (file.exists()) {
    file.delete();