Added in API level 18
    TextDirectionHeuristic
interface TextDirectionHeuristic
| android.text.TextDirectionHeuristic | 
Interface for objects that use a heuristic for guessing at the paragraph direction by examining text.
Summary
| Public methods | |
|---|---|
| abstract Boolean | Guess if a chars array is in the RTL direction or not. | 
| abstract Boolean | isRtl(cs: CharSequence!, start: Int, count: Int)Guess if a  | 
Public methods
isRtl
Added in API level 18
      abstract fun isRtl(
array: CharArray!,
start: Int,
count: Int
): Boolean
Guess if a chars array is in the RTL direction or not.
| Parameters | |
|---|---|
| array | CharArray!: 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. | 
| Return | |
|---|---|
| Boolean | true if all chars in the range are to be considered in a RTL direction, false otherwise. | 
isRtl
Added in API level 18
      abstract fun isRtl(
cs: CharSequence!,
start: Int,
count: Int
): Boolean
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. | 
| Return | |
|---|---|
| Boolean | true if all chars in the range are to be considered in a RTL direction, false otherwise. | 
