Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Protected Ctors](https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#proctors) \| [Methods](https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#inhmethods)

# SimpleFileVisitor

` public class SimpleFileVisitor `   
` extends https://developer.android.com/reference/java/lang/Object ` ` implements https://developer.android.com/reference/java/nio/file/FileVisitor<T> `

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | java.nio.file.SimpleFileVisitor\<T\> |

<br />

*** ** * ** ***

A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.

Methods in this class may be overridden subject to their general contract.

## Summary

| ### Protected constructors ||
|---|---|
| ` https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#SimpleFileVisitor()() ` Initializes a new instance of this class. |

| ### Public methods ||
|---|---|
| ` https://developer.android.com/reference/java/nio/file/FileVisitResult` | ` https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#postVisitDirectory(T,%20java.io.IOException)(T dir, https://developer.android.com/reference/java/io/IOException exc) ` Invoked for a directory after entries in the directory, and all of their descendants, have been visited. |
| ` https://developer.android.com/reference/java/nio/file/FileVisitResult` | ` https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#preVisitDirectory(T,%20java.nio.file.attribute.BasicFileAttributes)(T dir, https://developer.android.com/reference/java/nio/file/attribute/BasicFileAttributes attrs) ` Invoked for a directory before entries in the directory are visited. |
| ` https://developer.android.com/reference/java/nio/file/FileVisitResult` | ` https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#visitFile(T,%20java.nio.file.attribute.BasicFileAttributes)(T file, https://developer.android.com/reference/java/nio/file/attribute/BasicFileAttributes attrs) ` Invoked for a file in a directory. |
| ` https://developer.android.com/reference/java/nio/file/FileVisitResult` | ` https://developer.android.com/reference/java/nio/file/SimpleFileVisitor#visitFileFailed(T,%20java.io.IOException)(T file, https://developer.android.com/reference/java/io/IOException exc) ` Invoked for a file that could not be visited. |

### Inherited methods

From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` https://developer.android.com/reference/java/lang/Object#finalize()() `

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
` final https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait()() `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.
From interface ` https://developer.android.com/reference/java/nio/file/FileVisitor ` ` abstract https://developer.android.com/reference/java/nio/file/FileVisitResult` ` https://developer.android.com/reference/java/nio/file/FileVisitor#postVisitDirectory(T,%20java.io.IOException)(T dir, https://developer.android.com/reference/java/io/IOException exc) `

Invoked for a directory after entries in the directory, and all of their descendants, have been visited.
` abstract https://developer.android.com/reference/java/nio/file/FileVisitResult` ` https://developer.android.com/reference/java/nio/file/FileVisitor#preVisitDirectory(T,%20java.nio.file.attribute.BasicFileAttributes)(T dir, https://developer.android.com/reference/java/nio/file/attribute/BasicFileAttributes attrs) `

Invoked for a directory before entries in the directory are visited.
` abstract https://developer.android.com/reference/java/nio/file/FileVisitResult` ` https://developer.android.com/reference/java/nio/file/FileVisitor#visitFile(T,%20java.nio.file.attribute.BasicFileAttributes)(T file, https://developer.android.com/reference/java/nio/file/attribute/BasicFileAttributes attrs) `

Invoked for a file in a directory.
` abstract https://developer.android.com/reference/java/nio/file/FileVisitResult` ` https://developer.android.com/reference/java/nio/file/FileVisitor#visitFileFailed(T,%20java.io.IOException)(T file, https://developer.android.com/reference/java/io/IOException exc) `

Invoked for a file that could not be visited.

## Protected constructors

### SimpleFileVisitor

Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
protected SimpleFileVisitor ()
```

Initializes a new instance of this class.

<br />

## Public methods

### postVisitDirectory

Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public FileVisitResult postVisitDirectory (T dir, 
                IOException exc)
```

Invoked for a directory after entries in the directory, and all of their descendants, have been visited.

Unless overridden, this method returns `https://developer.android.com/reference/java/nio/file/FileVisitResult#CONTINUE` if the directory iteration completes without an I/O exception; otherwise this method re-throws the I/O exception that caused the iteration of the directory to terminate prematurely.

<br />

| Parameters ||
|---|---|
| `dir` | `T`: a reference to the directory <br /> |
| `exc` | `IOException`: `null` if the iteration of the directory completes without an error; otherwise the I/O exception that caused the iteration of the directory to complete prematurely <br /> |

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/nio/file/FileVisitResult` | the visit result <br /> |

| Throws ||
|---|---|
| `https://developer.android.com/reference/java/io/IOException` |   |

### preVisitDirectory

Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public FileVisitResult preVisitDirectory (T dir, 
                BasicFileAttributes attrs)
```

Invoked for a directory before entries in the directory are visited.

Unless overridden, this method returns `https://developer.android.com/reference/java/nio/file/FileVisitResult#CONTINUE`.

<br />

| Parameters ||
|---|---|
| `dir` | `T`: a reference to the directory <br /> |
| `attrs` | `BasicFileAttributes`: the directory's basic attributes <br /> |

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/nio/file/FileVisitResult` | the visit result <br /> |

| Throws ||
|---|---|
| `https://developer.android.com/reference/java/io/IOException` |   |

### visitFile

Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public FileVisitResult visitFile (T file, 
                BasicFileAttributes attrs)
```

Invoked for a file in a directory.

Unless overridden, this method returns `https://developer.android.com/reference/java/nio/file/FileVisitResult#CONTINUE`.

<br />

| Parameters ||
|---|---|
| `file` | `T`: a reference to the file <br /> |
| `attrs` | `BasicFileAttributes`: the file's basic attributes <br /> |

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/nio/file/FileVisitResult` | the visit result <br /> |

| Throws ||
|---|---|
| `https://developer.android.com/reference/java/io/IOException` |   |

### visitFileFailed

Added in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public FileVisitResult visitFileFailed (T file, 
                IOException exc)
```

Invoked for a file that could not be visited.

Unless overridden, this method re-throws the I/O exception that prevented the file from being visited.

<br />

| Parameters ||
|---|---|
| `file` | `T`: a reference to the file <br /> |
| `exc` | `IOException`: the I/O exception that prevented the file from being visited <br /> |

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/nio/file/FileVisitResult` | the visit result <br /> |

| Throws ||
|---|---|
| `https://developer.android.com/reference/java/io/IOException` |   |