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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.util;
     18 
     19 /**
     20  * A class for defining layout directions. A layout direction can be left-to-right (LTR)
     21  * or right-to-left (RTL). It can also be inherited (from a parent) or deduced from the default
     22  * language script of a locale.
     23  */
     24 public final class LayoutDirection {
     25 
     26     // No instantiation
     27     private LayoutDirection() {}
     28 
     29     /**
     30      * An undefined layout direction.
     31      * @hide
     32      */
     33     public static final int UNDEFINED = -1;
     34 
     35     /**
     36      * Horizontal layout direction is from Left to Right.
     37      */
     38     public static final int LTR = 0;
     39 
     40     /**
     41      * Horizontal layout direction is from Right to Left.
     42      */
     43     public static final int RTL = 1;
     44 
     45     /**
     46      * Horizontal layout direction is inherited.
     47      */
     48     public static final int INHERIT = 2;
     49 
     50     /**
     51      * Horizontal layout direction is deduced from the default language script for the locale.
     52      */
     53     public static final int LOCALE = 3;
     54 }
     55