Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Ctors](https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#pubctors) \| [Methods](https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#inhmethods)

# LoginFilter.UsernameFilterGeneric

*** ** * ** ***

` public static class LoginFilter.UsernameFilterGeneric `   
` ` ` extends https://developer.android.com/reference/android/text/LoginFilter ` ` `

|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) |||
| ↳ | [android.text.LoginFilter](https://developer.android.com/reference/android/text/LoginFilter) ||
|   | ↳ | android.text.LoginFilter.UsernameFilterGeneric |

<br />

*** ** * ** ***

This filter rejects characters in the user name that are not compatible with Google login. It is slightly less restrictive than the above filter in that it allows \[a-zA-Z0-9._-+\].

## Summary

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#UsernameFilterGeneric()() ` |
| ` https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#UsernameFilterGeneric(boolean)(boolean appendInvalid) ` |

| ### Public methods ||
|---|---|
| ` boolean` | ` https://developer.android.com/reference/android/text/LoginFilter.UsernameFilterGeneric#isAllowed(char)(char c) ` Returns whether or not we allow character c. |

### Inherited methods

From class ` https://developer.android.com/reference/android/text/LoginFilter ` ` https://developer.android.com/reference/java/lang/CharSequence` ` https://developer.android.com/reference/android/text/LoginFilter#filter(java.lang.CharSequence,%20int,%20int,%20android.text.Spanned,%20int,%20int)(https://developer.android.com/reference/java/lang/CharSequence source, int start, int end, https://developer.android.com/reference/android/text/Spanned dest, int dstart, int dend) `

This method is called when the buffer is going to replace the range `dstart ... dend` of `dest` with the new text from the range `start ... end` of `source`.
` abstract boolean` ` https://developer.android.com/reference/android/text/LoginFilter#isAllowed(char)(char c) `

Returns whether or not we allow character c.
` void` ` https://developer.android.com/reference/android/text/LoginFilter#onInvalidCharacter(char)(char c) `

Called whenever we encounter an invalid character.
` void` ` https://developer.android.com/reference/android/text/LoginFilter#onStart()() `

Called when we start processing filter.
` void` ` https://developer.android.com/reference/android/text/LoginFilter#onStop()() `

Called when we're done processing filter
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/android/text/InputFilter ` ` abstract https://developer.android.com/reference/java/lang/CharSequence` ` https://developer.android.com/reference/android/text/InputFilter#filter(java.lang.CharSequence,%20int,%20int,%20android.text.Spanned,%20int,%20int)(https://developer.android.com/reference/java/lang/CharSequence source, int start, int end, https://developer.android.com/reference/android/text/Spanned dest, int dstart, int dend) `

This method is called when the buffer is going to replace the range `dstart ... dend` of `dest` with the new text from the range `start ... end` of `source`.

## Public constructors

### UsernameFilterGeneric

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public UsernameFilterGeneric ()
```

<br />

<br />

### UsernameFilterGeneric

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public UsernameFilterGeneric (boolean appendInvalid)
```

<br />

<br />

| Parameters ||
|---|---|
| `appendInvalid` | `boolean` <br /> |

## Public methods

### isAllowed

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public boolean isAllowed (char c)
```

Returns whether or not we allow character c. Subclasses must override this method.

<br />

| Parameters ||
|---|---|
| `c` | `char` <br /> |

| Returns ||
|---|---|
| `boolean` | <br /> |