NearbyConnectionsWalkieTalkie/app/src/manual/java/com/google/location/nearby/apps/walkietalkie/MainActivity.java [395:413]:
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  private void transitionForward(State oldState, final State newState) {
    mPreviousStateView.setVisibility(View.VISIBLE);
    mCurrentStateView.setVisibility(View.VISIBLE);

    updateTextView(mPreviousStateView, oldState);
    updateTextView(mCurrentStateView, newState);

    if (ViewCompat.isLaidOut(mCurrentStateView)) {
      mCurrentAnimator = createAnimator(false /* reverse */);
      mCurrentAnimator.addListener(
          new AnimatorListener() {
            @Override
            public void onAnimationEnd(Animator animator) {
              updateTextView(mCurrentStateView, newState);
            }
          });
      mCurrentAnimator.start();
    }
  }
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NearbyConnectionsWalkieTalkie/app/src/automatic/java/com/google/location/nearby/apps/walkietalkie/MainActivity.java [334:352]:
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  private void transitionForward(State oldState, final State newState) {
    mPreviousStateView.setVisibility(View.VISIBLE);
    mCurrentStateView.setVisibility(View.VISIBLE);

    updateTextView(mPreviousStateView, oldState);
    updateTextView(mCurrentStateView, newState);

    if (ViewCompat.isLaidOut(mCurrentStateView)) {
      mCurrentAnimator = createAnimator(false /* reverse */);
      mCurrentAnimator.addListener(
          new AnimatorListener() {
            @Override
            public void onAnimationEnd(Animator animator) {
              updateTextView(mCurrentStateView, newState);
            }
          });
      mCurrentAnimator.start();
    }
  }
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