From 4cbb4414252326795b2956f20f974ace3314f917 Mon Sep 17 00:00:00 2001
From: Seigo Nonaka <nona@google.com>
Date: Fri, 21 Apr 2017 10:16:26 -0700
Subject: [PATCH] Introduce TextView attribute for control justification.

Bug: 37447278
Test: am instrument -w -e class android.widget.cts.TextViewTest
      android.widget.cts/android.support.test.runner.AndroidJUnitRunner
Change-Id: I7946f460ad8a6c2423b464c27225411d155d4d8d
---
 api/current.txt                        | 1 +
 api/system-current.txt                 | 1 +
 api/test-current.txt                   | 1 +
 core/java/android/widget/TextView.java | 3 +++
 core/res/res/values/attrs.xml          | 7 +++++++
 core/res/res/values/public.xml         | 1 +
 6 files changed, 14 insertions(+)

diff --git a/api/current.txt b/api/current.txt
index 35726f13c7527..fb8665b148e50 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -766,6 +766,7 @@ package android {
     field public static final int itemIconDisabledAlpha = 16843057; // 0x1010131
     field public static final int itemPadding = 16843565; // 0x101032d
     field public static final int itemTextAppearance = 16843052; // 0x101012c
+    field public static final int justificationMode = 16844138; // 0x101056a
     field public static final int keepScreenOn = 16843286; // 0x1010216
     field public static final int key = 16843240; // 0x10101e8
     field public static final int keyBackground = 16843315; // 0x1010233
diff --git a/api/system-current.txt b/api/system-current.txt
index b9125bfae09a0..dd07fb43595b1 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -884,6 +884,7 @@ package android {
     field public static final int itemIconDisabledAlpha = 16843057; // 0x1010131
     field public static final int itemPadding = 16843565; // 0x101032d
     field public static final int itemTextAppearance = 16843052; // 0x101012c
+    field public static final int justificationMode = 16844138; // 0x101056a
     field public static final int keepScreenOn = 16843286; // 0x1010216
     field public static final int key = 16843240; // 0x10101e8
     field public static final int keyBackground = 16843315; // 0x1010233
diff --git a/api/test-current.txt b/api/test-current.txt
index 3675bd8da2b35..6eb82181adb57 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -766,6 +766,7 @@ package android {
     field public static final int itemIconDisabledAlpha = 16843057; // 0x1010131
     field public static final int itemPadding = 16843565; // 0x101032d
     field public static final int itemTextAppearance = 16843052; // 0x101012c
+    field public static final int justificationMode = 16844138; // 0x101056a
     field public static final int keepScreenOn = 16843286; // 0x1010216
     field public static final int key = 16843240; // 0x10101e8
     field public static final int keyBackground = 16843315; // 0x1010233
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 16a31f19a3ac5..8148042c63b5a 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -1346,6 +1346,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                         autoSizePresetTextSizes.recycle();
                     }
                     break;
+                case com.android.internal.R.styleable.TextView_justificationMode:
+                    mJustificationMode = a.getInt(attr, Layout.JUSTIFICATION_MODE_NONE);
+                    break;
             }
         }
 
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 8682d7d8d8d89..6e790a70f6a47 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -4776,6 +4776,13 @@
         <attr name="autoSizeMinTextSize" format="dimension" />
         <!-- The maximum text size constraint to be used when auto-sizing text. -->
         <attr name="autoSizeMaxTextSize" format="dimension" />
+        <!-- Mode for justification. -->
+        <attr name="justificationMode">
+            <!-- No justification. -->
+            <enum name="none" value="0" />
+            <!-- Justification by stretching word spacing. -->
+            <enum name="inter_word" value = "1" />
+        </attr>
     </declare-styleable>
     <declare-styleable name="TextViewAppearance">
         <!-- Base text color, typeface, size, and style. -->
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 89c912fd1f833..e13026b1360ea 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2821,6 +2821,7 @@
         <public name="requiredSystemPropertyName" />
         <!-- @hide @SystemApi -->
         <public name="requiredSystemPropertyValue" />
+        <public name="justificationMode" />
     </public-group>
 
     <public-group type="style" first-id="0x010302e0">