TextLinks API updates.

1. Change TextLinks.getText() return type from String to CharSequence
2. Javadoc improvement

Bug: 147761091
Test: atest FrameworksCoreTests:android.view.textclassifier
Test: atest android.view.textclassifier.cts.TextClassifierValueObjectsTest
Change-Id: I40e4f401025f96717272a9ea2aac4c168297191e

3 files changed, 19 insertions, 11 deletions

diff --git a/api/current.txt b/api/current.txt
index 0c64158531da..4822bfa44871 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -55634,7 +55634,7 @@ package android.view.textclassifier {
     method public int describeContents();
     method @NonNull public android.os.Bundle getExtras();
     method @NonNull public java.util.Collection<android.view.textclassifier.TextLinks.TextLink> getLinks();
-    method @NonNull public String getText();
+    method @NonNull public CharSequence getText();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final int APPLY_STRATEGY_IGNORE = 0; // 0x0
     field public static final int APPLY_STRATEGY_REPLACE = 1; // 0x1
diff --git a/core/java/android/view/textclassifier/TextLinks.java b/core/java/android/view/textclassifier/TextLinks.java
index 1aa2aeccc0db..bda12b0893d1 100644
--- a/core/java/android/view/textclassifier/TextLinks.java
+++ b/core/java/android/view/textclassifier/TextLinks.java
@@ -113,7 +113,7 @@ public final class TextLinks implements Parcelable {
      * Returns the text that was used to generate these links.
      */
     @NonNull
-    public String getText() {
+    public CharSequence getText() {
         return mFullText;
     }
 
@@ -370,8 +370,8 @@ public final class TextLinks implements Parcelable {
         }
 
         /**
-         * @return ordered list of locale preferences that can be used to disambiguate
-         *      the provided text
+         * Returns an ordered list of locale preferences that can be used to disambiguate the
+         * provided text.
          */
         @Nullable
         public LocaleList getDefaultLocales() {
@@ -379,7 +379,8 @@ public final class TextLinks implements Parcelable {
         }
 
         /**
-         * @return The config representing the set of entities to look for
+         * Returns the config representing the set of entities to look for
+         *
          * @see Builder#setEntityConfig(EntityConfig)
          */
         @Nullable
@@ -398,8 +399,8 @@ public final class TextLinks implements Parcelable {
         }
 
         /**
-         * @return reference time based on which relative dates (e.g. "tomorrow") should be
-         *      interpreted.
+         * Returns reference time based on which relative dates (e.g. "tomorrow") should be
+         * interpreted.
          */
         @Nullable
         public ZonedDateTime getReferenceTime() {
@@ -473,6 +474,9 @@ public final class TextLinks implements Parcelable {
             }
 
             /**
+             * Sets ordered list of locale preferences that may be used to disambiguate the
+             * provided text.
+             *
              * @param defaultLocales ordered list of locale preferences that may be used to
              *                       disambiguate the provided text. If no locale preferences exist,
              *                       set this to null or an empty locale list.
@@ -524,9 +528,11 @@ public final class TextLinks implements Parcelable {
             }
 
             /**
-             * @param referenceTime reference time based on which relative dates (e.g. "tomorrow"
-             *      should be interpreted. This should usually be the time when the text was
-             *      originally composed.
+             * Sets the reference time based on which relative dates (e.g.
+             * "tomorrow") should be interpreted.
+             *
+             * @param referenceTime reference time based on which relative dates. This should
+             *                      usually be the time when the text was originally composed.
              *
              * @return this builder
              */
@@ -716,6 +722,8 @@ public final class TextLinks implements Parcelable {
         }
 
         /**
+         * Adds a TextLink.
+         *
          * @see #addLink(int, int, Map)
          * @param urlSpan An optional URLSpan to delegate to. NOTE: Not parcelled.
          */
diff --git a/core/java/android/view/textclassifier/TextLinksParams.java b/core/java/android/view/textclassifier/TextLinksParams.java
index b7d63bfabd6d..f12b0d7aa2e0 100644
--- a/core/java/android/view/textclassifier/TextLinksParams.java
+++ b/core/java/android/view/textclassifier/TextLinksParams.java
@@ -113,7 +113,7 @@ public final class TextLinksParams {
             return TextLinks.STATUS_UNSUPPORTED_CHARACTER;
         }
 
-        if (!textString.startsWith(textLinks.getText())) {
+        if (!textString.startsWith(textLinks.getText().toString())) {
             return TextLinks.STATUS_DIFFERENT_TEXT;
         }
         if (textLinks.getLinks().isEmpty()) {