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Added in API level 18

Summary: Fields | Ctors | Inherited Methods | [Expand All]

TextDirectionHeuristics

public class TextDirectionHeuristics
extends Object

java.lang.Object
↳	android.text.TextDirectionHeuristics

Some objects that implement TextDirectionHeuristic. Use these with the unicodeWrap() methods in BidiFormatter. Also notice that these direction heuristics correspond to the same types of constants provided in the View class for setTextDirection(), such as TEXT_DIRECTION_RTL.

To support versions lower than JELLY_BEAN_MR2, you can use the support library's TextDirectionHeuristicsCompat class.

Summary

Fields
`public static final TextDirectionHeuristic`	`ANYRTL_LTR` If the text contains any strong right to left non-format character, determines that the direction is right to left, falling back to left to right if it finds none.
`public static final TextDirectionHeuristic`	`FIRSTSTRONG_LTR` Determines the direction based on the first strong directional character, including bidi format chars, falling back to left to right if it finds none.
`public static final TextDirectionHeuristic`	`FIRSTSTRONG_RTL` Determines the direction based on the first strong directional character, including bidi format chars, falling back to right to left if it finds none.
`public static final TextDirectionHeuristic`	`LOCALE` Force the paragraph direction to the Locale direction.
`public static final TextDirectionHeuristic`	`LTR` Always decides that the direction is left to right.
`public static final TextDirectionHeuristic`	`RTL` Always decides that the direction is right to left.

Public constructors
`TextDirectionHeuristics()`

Inherited methods

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.

Fields

ANYRTL_LTR

Added in API level 18

TextDirectionHeuristic ANYRTL_LTR

If the text contains any strong right to left non-format character, determines that the direction is right to left, falling back to left to right if it finds none.

FIRSTSTRONG_LTR

Added in API level 18

TextDirectionHeuristic FIRSTSTRONG_LTR

Determines the direction based on the first strong directional character, including bidi format chars, falling back to left to right if it finds none. This is the default behavior of the Unicode Bidirectional Algorithm.

FIRSTSTRONG_RTL

Added in API level 18

TextDirectionHeuristic FIRSTSTRONG_RTL

Determines the direction based on the first strong directional character, including bidi format chars, falling back to right to left if it finds none. This is similar to the default behavior of the Unicode Bidirectional Algorithm, just with different fallback behavior.

LOCALE

Added in API level 18

TextDirectionHeuristic LOCALE

Force the paragraph direction to the Locale direction. Falls back to left to right.

LTR

Added in API level 18

TextDirectionHeuristic LTR

Always decides that the direction is left to right.

RTL

Added in API level 18

TextDirectionHeuristic RTL

Always decides that the direction is right to left.

Public constructors