added in version 22.1.0
belongs to Maven artifact com.android.support:support-compat:28.0.0-alpha1

TextDirectionHeuristicCompat

public interface TextDirectionHeuristicCompat

android.support.v4.text.TextDirectionHeuristicCompat

Interface for objects that use a heuristic for guessing at the paragraph direction by examining text.

Summary

Public methods
`abstract boolean`	`isRtl(char[] array, int start, int count)` Guess if a chars array is in the RTL direction or not.
`abstract boolean`	`isRtl(CharSequence cs, int start, int count)` Guess if a `CharSequence` is in the RTL direction or not.

boolean isRtl (char[] array, 
                int start, 
                int count)

Guess if a chars array is in the RTL direction or not.

Parameters
`array`	`char`: the char array.
`start`	`int`: start index, inclusive.
`count`	`int`: the length to check, must not be negative and not greater than `array.length - start`.

Returns
`boolean`	true if all chars in the range are to be considered in a RTL direction, false otherwise.

boolean isRtl (CharSequence cs, 
                int start, 
                int count)

Guess if a CharSequence is in the RTL direction or not.

Parameters
`cs`	`CharSequence`: the CharSequence.
`start`	`int`: start index, inclusive.
`count`	`int`: the length to check, must not be negative and not greater than `CharSequence.length() - start`.

Returns
`boolean`	true if all chars in the range are to be considered in a RTL direction, false otherwise.