PaymentRequestUI.java 文件源码

public DisappearingAnimator(boolean removeDialog) {
    mIsDialogClosing = removeDialog;

    Animator sheetFader = ObjectAnimator.ofFloat(
            mRequestView, View.ALPHA, mRequestView.getAlpha(), 0f);
    Animator sheetTranslator = ObjectAnimator.ofFloat(
            mRequestView, View.TRANSLATION_Y, 0f, mAnimatorTranslation);

    AnimatorSet current = new AnimatorSet();
    current.setDuration(DIALOG_EXIT_ANIMATION_MS);
    current.setInterpolator(new FastOutLinearInInterpolator());
    if (mIsDialogClosing) {
        Animator scrimFader = ObjectAnimator.ofInt(mFullContainer.getBackground(),
                AnimatorProperties.DRAWABLE_ALPHA_PROPERTY, 127, 0);
        current.playTogether(sheetFader, sheetTranslator, scrimFader);
    } else {
        current.playTogether(sheetFader, sheetTranslator);
    }

    mSheetAnimator = current;
    mSheetAnimator.addListener(this);
    mSheetAnimator.start();
}