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Commit fe6fddb4 authored by Joanne Chung's avatar Joanne Chung
Browse files

Fix the translation not work if the animation is off 

The system will show translation after the animation is done but it
doesn't work if the animation is off. To fix the issue, we will
check the animation status before showing translation.

Bug: 215386127
Test: atest testUiTranslationWithoutAnimation

Change-Id: Id0d02c422100effcf842209971052f4d6e9b0bd2
parent 56996833

core/java/android/widget/TextViewTranslationCallback.java

+12 −6
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ public class TextViewTranslationCallback implements ViewTranslationCallback { 
                    originalTranslationMethod);

        }

        final TransformationMethod transformation = mTranslationTransformation;

        runWithAnimation(

        runChangeTextWithAnimationIfNeeded(

                (TextView) view,

                () -> {

                    mIsShowingTranslation = true;
@@ -122,7 +122,7 @@ public class TextViewTranslationCallback implements ViewTranslationCallback { 
        if (mTranslationTransformation != null) {

            final TransformationMethod transformation =

                    mTranslationTransformation.getOriginalTransformationMethod();

            runWithAnimation(

            runChangeTextWithAnimationIfNeeded(

                    (TextView) view,

                    () -> {

                        mIsShowingTranslation = false;
@@ -232,10 +232,16 @@ public class TextViewTranslationCallback implements ViewTranslationCallback { 
     * Applies a simple text alpha animation when toggling between original and translated text. The

     * text is fully faded out, then swapped to the new text, then the fading is reversed.

     *

     * @param runnable the operation to run on the view after the text is faded out, to change to

     * displaying the original or translated text.

     * @param changeTextRunnable the operation to run on the view after the text is faded out, to

     * change to displaying the original or translated text.

     */

    private void runWithAnimation(TextView view, Runnable runnable) {

    private void runChangeTextWithAnimationIfNeeded(TextView view, Runnable changeTextRunnable) {

        boolean areAnimatorsEnabled = ValueAnimator.areAnimatorsEnabled();

        if (!areAnimatorsEnabled) {

            // The animation is disabled, just change display text

            changeTextRunnable.run();

            return;

        }

        if (mAnimator != null) {

            mAnimator.end();

            // Note: mAnimator is now null; do not use again here.
@@ -269,7 +275,7 @@ public class TextViewTranslationCallback implements ViewTranslationCallback { 


            @Override

            public void onAnimationRepeat(Animator animation) {

                runnable.run();

                changeTextRunnable.run();

            }

        });

        mAnimator.start();