Adds a getter for IllustrationPreference content description.

Needed for building accessibility node collection info for a list that
contains these preferences.

Bug: 318607873
Test: atest IllustrationPreferenceTest
Flag: NONE the change in topic using this getter is flagged
Change-Id: I15745465f148493e148c7489bffd4d780a6e2a34

2 files changed, 17 insertions, 0 deletions

diff --git a/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java b/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
index 4387b6f061c3..a0599bb32dd1 100644
--- a/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
+++ b/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
@@ -35,6 +35,7 @@ import android.view.ViewGroup.LayoutParams;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.RawRes;
 import androidx.annotation.StringRes;
 import androidx.preference.Preference;
@@ -243,6 +244,14 @@ public class IllustrationPreference extends Preference {
     }
 
     /**
+     * Gets the content description set by {@link #setContentDescription}.
+     */
+    @Nullable
+    public CharSequence getContentDescription() {
+        return mContentDescription;
+    }
+
+    /**
      * Gets the lottie illustration resource id.
      */
     public int getLottieAnimationResId() {
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
index ca53fc2ba47e..3f3e1b280850 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
@@ -291,4 +291,12 @@ public class IllustrationPreferenceTest {
 
         assertThat(mPreference.isApplyDynamicColor()).isTrue();
     }
+
+    @Test
+    public void setContentDescription_getContentDescription_isEqual() {
+        final String contentDesc = "content desc";
+        mPreference.setContentDescription(contentDesc);
+
+        assertThat(mPreference.getContentDescription().toString()).isEqualTo(contentDesc);
+    }
 }