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Added in API level 1

DigitsKeyListener

public class DigitsKeyListener
extends NumberKeyListener

java.lang.Object
↳	android.text.method.MetaKeyKeyListener
	↳	android.text.method.BaseKeyListener
		↳	android.text.method.NumberKeyListener
			↳	android.text.method.DigitsKeyListener

For digits-only text entry

As for all implementations of KeyListener, this class is only concerned with hardware keyboards. Software input methods have no obligation to trigger the methods in this class.

Summary

Inherited constants

From class


    android.text.method.MetaKeyKeyListener

Public constructors
`DigitsKeyListener()` Allocates a DigitsKeyListener that accepts the digits 0 through 9.
`DigitsKeyListener(boolean sign, boolean decimal)` Allocates a DigitsKeyListener that accepts the digits 0 through 9, plus the minus sign (only at the beginning) and/or decimal point (only one per field) if specified.

Public methods
`CharSequence`	`filter(CharSequence source, int start, int end, 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`.
`int`	`getInputType()`
`static DigitsKeyListener`	`getInstance(String accepted)` Returns a DigitsKeyListener that accepts only the characters that appear in the specified String.
`static DigitsKeyListener`	`getInstance()` Returns a DigitsKeyListener that accepts the digits 0 through 9.
`static DigitsKeyListener`	`getInstance(boolean sign, boolean decimal)` Returns a DigitsKeyListener that accepts the digits 0 through 9, plus the minus sign (only at the beginning) and/or decimal point (only one per field) if specified.

Protected methods
`char[]`	`getAcceptedChars()` You can say which characters you can accept.

Inherited methods

From class


  
    android.text.method.NumberKeyListener

From class


  
    android.text.method.BaseKeyListener

From class


  
    android.text.method.MetaKeyKeyListener

`static void`	`adjustMetaAfterKeypress(Spannable content)` Call this method after you handle a keypress so that the meta state will be reset to unshifted (if it is not still down) or primed to be reset to unshifted (once it is released).
`static long`	`adjustMetaAfterKeypress(long state)` Call this method after you handle a keypress so that the meta state will be reset to unshifted (if it is not still down) or primed to be reset to unshifted (once it is released).
`static void`	`clearMetaKeyState(Editable content, int states)`
`long`	`clearMetaKeyState(long state, int which)` Clears the state of the specified meta key if it is locked.
`void`	`clearMetaKeyState(View view, Editable content, int states)`
`static final int`	`getMetaState(CharSequence text)` Gets the state of the meta keys.
`static final int`	`getMetaState(CharSequence text, int meta)` Gets the state of a particular meta key.
`static final int`	`getMetaState(long state)` Gets the state of the meta keys.
`static final int`	`getMetaState(CharSequence text, KeyEvent event)` Gets the state of the meta keys for a specific key event.
`static final int`	`getMetaState(long state, int meta)` Gets the state of a particular meta key.
`static final int`	`getMetaState(CharSequence text, int meta, KeyEvent event)` Gets the state of a particular meta key to use with a particular key event.
`static long`	`handleKeyDown(long state, int keyCode, KeyEvent event)` Handles presses of the meta keys.
`static long`	`handleKeyUp(long state, int keyCode, KeyEvent event)` Handles release of the meta keys.
`static boolean`	`isMetaTracker(CharSequence text, Object what)` Returns true if this object is one that this class would use to keep track of any meta state in the specified text.
`static boolean`	`isSelectingMetaTracker(CharSequence text, Object what)` Returns true if this object is one that this class would use to keep track of the selecting meta state in the specified text.
`boolean`	`onKeyDown(View view, Editable content, int keyCode, KeyEvent event)` Handles presses of the meta keys.
`boolean`	`onKeyUp(View view, Editable content, int keyCode, KeyEvent event)` Handles release of the meta keys.
`static long`	`resetLockedMeta(long state)` Call this if you are a method that ignores the locked meta state (arrow keys, for example) and you handle a key.
`static void`	`resetLockedMeta(Spannable content)` Call this if you are a method that ignores the locked meta state (arrow keys, for example) and you handle a key.
`static void`	`resetMetaState(Spannable text)` Resets all meta state to inactive.

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    android.text.InputFilter

From interface


  
    android.text.method.KeyListener

Public constructors

DigitsKeyListener

Added in API level 1

DigitsKeyListener ()

Allocates a DigitsKeyListener that accepts the digits 0 through 9.

DigitsKeyListener

Added in API level 1

DigitsKeyListener (boolean sign, 
                boolean decimal)

Allocates a DigitsKeyListener that accepts the digits 0 through 9, plus the minus sign (only at the beginning) and/or decimal point (only one per field) if specified.

Parameters
`sign`	`boolean`
`decimal`	`boolean`

Public methods

filter

Added in API level 1

CharSequence filter (CharSequence source, 
                int start, 
                int end, 
                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. Return the CharSequence that you would like to have placed there instead, including an empty string if appropriate, or null to accept the original replacement. Be careful to not to reject 0-length replacements, as this is what happens when you delete text. Also beware that you should not attempt to make any changes to dest from this method; you may only examine it for context. Note: If source is an instance of Spanned or Spannable, the span objects in the source should be copied into the filtered result (i.e. the non-null return value). copySpansFrom(Spanned, int, int, Class, Spannable, int) can be used for convenience.

Parameters
`source`	`CharSequence`
`start`	`int`
`end`	`int`
`dest`	`Spanned`
`dstart`	`int`
`dend`	`int`

Returns
`CharSequence`

getInputType

Added in API level 3

int getInputType ()

Returns
`int`

getInstance

Added in API level 1

DigitsKeyListener getInstance (String accepted)

Returns a DigitsKeyListener that accepts only the characters that appear in the specified String. Note that not all characters may be available on every keyboard.

Parameters
`accepted`	`String`

Returns
`DigitsKeyListener`

getInstance

Added in API level 1

DigitsKeyListener getInstance ()

Returns a DigitsKeyListener that accepts the digits 0 through 9.

Returns
`DigitsKeyListener`

getInstance

Added in API level 1

DigitsKeyListener getInstance (boolean sign, 
                boolean decimal)

Returns a DigitsKeyListener that accepts the digits 0 through 9, plus the minus sign (only at the beginning) and/or decimal point (only one per field) if specified.

Parameters
`sign`	`boolean`
`decimal`	`boolean`

Returns
`DigitsKeyListener`

Protected methods

getAcceptedChars

Added in API level 1

char[] getAcceptedChars ()

You can say which characters you can accept.

Returns
`char[]`

Interfaces

Classes

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DigitsKeyListener

Summary

Inherited constants

Public constructors

Public methods

Protected methods

Inherited methods

Public constructors

DigitsKeyListener

DigitsKeyListener

Public methods

filter

getInputType

getInstance

getInstance

getInstance

Protected methods

getAcceptedChars