GetChars

Page Summary

• GetChars interface provides an efficient way to extract characters from a CharSequence, improving performance over repeated charAt() calls.

• Implement this interface if your custom CharSequence has a getChars() method for faster character extraction.

• This interface is implemented by key Android classes like Editable, SpannableString, SpannableStringBuilder, and SpannedString for optimized character access.

• The primary method, getChars(), allows copying a range of characters to a destination array, similar to the functionality in the String class.

public interface GetChars implements CharSequence

Known Indirect Subclasses Editable, SpannableString, SpannableStringBuilder, SpannedString Editable This is the interface for text whose content and markup can be changed (as opposed to immutable text like Strings).  SpannableString This is the class for text whose content is immutable but to which markup objects can be attached and detached.  SpannableStringBuilder This is the class for text whose content and markup can both be changed.  SpannedString This is the class for text whose content and markup are immutable.

Please implement this interface if your CharSequence has a getChars() method like the one in String that is faster than calling charAt() multiple times.

Public Method Summary

abstract void

getChars(int start, int end, char[] dest, int destoff) Exactly like String.getChars(): copy chars start through end - 1 from this CharSequence into dest beginning at offset destoff.

Inherited Method Summary

From interface java.lang.CharSequence

abstract char	charAt(int arg0)
IntStream	chars()
IntStream	codePoints()
abstract int	length()
abstract CharSequence	subSequence(int arg0, int arg1)
abstract String	toString()

Public Methods

public abstract void getChars (int start, int end, char[] dest, int destoff)

Exactly like String.getChars(): copy chars start through end - 1 from this CharSequence into dest beginning at offset destoff.

Parameters

start
end
dest
destoff