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LoginFilter

public abstract class LoginFilter
extends Object implements InputFilter

java.lang.Object
   ↳ android.text.LoginFilter


Abstract class for filtering login-related text (user names and passwords)

Summary

Nested classes

class LoginFilter.PasswordFilterGMail

This filter is compatible with GMail passwords which restricts characters to the Latin-1 (ISO8859-1) char set. 

class LoginFilter.UsernameFilterGMail

This filter rejects characters in the user name that are not compatible with GMail account creation. 

class LoginFilter.UsernameFilterGeneric

This filter rejects characters in the user name that are not compatible with Google login. 

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.

abstract boolean isAllowed(char c)

Returns whether or not we allow character c.

void onInvalidCharacter(char c)

Called whenever we encounter an invalid character.

void onStart()

Called when we start processing filter.

void onStop()

Called when we're done processing filter

Inherited methods

Public methods

filter

added in API level 1
public 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. Returns the CharSequence that we want 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.

Parameters
source CharSequence

start int

end int

dest Spanned

dstart int

dend int

Returns
CharSequence

isAllowed

added in API level 1
public abstract boolean isAllowed (char c)

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

Parameters
c char

Returns
boolean

onInvalidCharacter

added in API level 1
public void onInvalidCharacter (char c)

Called whenever we encounter an invalid character.

Parameters
c char: the invalid character

onStart

added in API level 1
public void onStart ()

Called when we start processing filter.

onStop

added in API level 1
public void onStop ()

Called when we're done processing filter