Example usage for android.view View ALPHA

Introduction

In this page you can find the example usage for android.view View ALPHA.

Prototype

Property ALPHA

To view the source code for android.view View ALPHA.

Click Source Link

Document

A Property wrapper around the alpha functionality handled by the View#setAlpha(float) and View#getAlpha() methods.

Usage

From source file:Main.java

@NonNull
private static AnimatorSet createRevealAnimation(View headline, View image, View startBtn, View pick1,
        View pick2) {//from w  w w.  j  av a  2  s .  c  om
    AnimatorSet animAll = new AnimatorSet();

    Animator anim1_1 = ObjectAnimator.ofFloat(headline, View.ALPHA, 0, 1, 1);
    Animator anim1_2 = ObjectAnimator.ofFloat(headline, View.TRANSLATION_Y, -headline.getBottom(), 60, 0);
    Animator anim1_3 = ObjectAnimator.ofFloat(headline, View.SCALE_X, 0.1f, 0.475f, 1);
    Animator anim1_4 = ObjectAnimator.ofFloat(headline, View.SCALE_Y, 0.1f, 0.475f, 1);
    setBatchTiming(1000, 0, anim1_1, anim1_2, anim1_3, anim1_4);
    animAll.play(anim1_1).with(anim1_2).with(anim1_3).with(anim1_4);

    Animator anim2_1 = ObjectAnimator.ofFloat(image, View.ALPHA, 0, 1);
    Animator anim2_2 = ObjectAnimator.ofFloat(image, View.TRANSLATION_Y, image.getHeight() / 4, 0);
    setBatchTiming(800, 0, anim2_1, anim2_2);
    animAll.play(anim2_1).with(anim2_2).after(anim1_1);

    Animator anim3_1 = ObjectAnimator.ofFloat(startBtn, View.ALPHA, 0, 1);
    Animator anim3_2 = ObjectAnimator.ofFloat(startBtn, View.ALPHA, 0, 1);
    Animator anim3_3 = ObjectAnimator.ofFloat(pick1, View.ALPHA, 0, 1);
    Animator anim3_4 = ObjectAnimator.ofFloat(pick2, View.ALPHA, 0, 1);
    setBatchTiming(1800, 0, anim3_1, anim3_2, anim3_3, anim3_4);
    animAll.play(anim3_1).with(anim3_2).with(anim3_3).with(anim3_4).after(anim1_1);
    return animAll;
}

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From source file:Main.java

@NonNull
private static AnimatorSet createDisappearAnim(View startBtn, View pick1, View pick2, View image,
        View headline) {//ww w . j  ava 2 s  . c om
    AnimatorSet animAll = new AnimatorSet();

    Animator anim1_1 = ObjectAnimator.ofFloat(headline, View.ALPHA, 1, 0);
    Animator anim1_2 = ObjectAnimator.ofFloat(startBtn, View.ALPHA, 1, 0);
    Animator anim1_3 = ObjectAnimator.ofFloat(startBtn, View.ALPHA, 1, 0);
    Animator anim1_4 = ObjectAnimator.ofFloat(pick1, View.ALPHA, 1, 0);
    Animator anim1_5 = ObjectAnimator.ofFloat(pick2, View.ALPHA, 1, 0);
    setBatchTiming(400, 0, anim1_1, anim1_2, anim1_3, anim1_4, anim1_5);
    animAll.play(anim1_1).with(anim1_2).with(anim1_3).with(anim1_4).with(anim1_5);

    Interpolator interpolator2 = new DecelerateInterpolator();
    Animator anim2_1 = ObjectAnimator.ofFloat(image, View.ALPHA, 1, 0);
    Animator anim2_2 = ObjectAnimator.ofFloat(image, View.SCALE_X, 1f, 2f);
    Animator anim2_3 = ObjectAnimator.ofFloat(image, View.SCALE_Y, 1f, 2f);
    anim2_1.setInterpolator(interpolator2);
    anim2_2.setInterpolator(interpolator2);
    anim2_3.setInterpolator(interpolator2);
    setBatchTiming(800, 0, anim2_1, anim2_2, anim2_3);
    animAll.play(anim2_1).with(anim2_2).with(anim2_3).after(anim1_1);
    return animAll;
}

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From source file:net.huannguyen.conductorexample.transition.DetailPushAnimChangeHandler.java

@NonNull
@Override/*ww w.j  av  a 2 s  . c o m*/
protected Animator getAnimator(@NonNull ViewGroup container, @Nullable View from, @Nullable View to,
        boolean isPush, boolean toAddedToContainer) {

    // Make sure the to view is a CountryDetailView
    if (to == null || !(to instanceof CountryDetailView))
        throw new IllegalArgumentException("The to view must be a CountryDetailView");

    final CountryDetailView detailView = (CountryDetailView) to;

    // Set the button scale to 0 to make it invisible at the beginning.
    detailView.favouriteFab.setScaleX(0);
    detailView.favouriteFab.setScaleY(0);

    AnimatorSet animatorSet = new AnimatorSet();

    AnimatorSet flagAndDetailAnim = new AnimatorSet();

    // Hide the old view
    Animator hideFromViewAnim = ObjectAnimator.ofFloat(from, View.ALPHA, 1, 0);

    // Slide down the flag
    Animator flagAnim = ObjectAnimator.ofFloat(detailView.flagView, View.TRANSLATION_Y,
            -detailView.flagView.getHeight(), 0);

    // Slide up the details
    Animator detailAnim = ObjectAnimator.ofFloat(detailView.detailGroup, View.TRANSLATION_Y,
            detailView.detailGroup.getHeight(), 0);

    flagAndDetailAnim.playTogether(hideFromViewAnim, flagAnim, detailAnim);
    flagAndDetailAnim.setDuration(300);
    flagAndDetailAnim.setInterpolator(new FastOutSlowInInterpolator());

    // Scale up the favourite fab
    PropertyValuesHolder fabScaleX = PropertyValuesHolder.ofFloat(View.SCALE_X, 0, 1);
    PropertyValuesHolder fabScaleY = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0, 1);
    Animator favouriteAnim = ObjectAnimator
            .ofPropertyValuesHolder(detailView.favouriteFab, fabScaleX, fabScaleY).setDuration(200);

    animatorSet.playSequentially(flagAndDetailAnim, favouriteAnim);

    animatorSet.start();

    return animatorSet;
}

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From source file:com.android.clear.reminder.ItemAnimator.java

@Override
public boolean animateRemove(final ViewHolder holder) {
    endAnimation(holder);//  w  ww .j  a v a2s  . c  o  m

    final float prevAlpha = holder.itemView.getAlpha();

    final Animator removeAnimator = ObjectAnimator.ofFloat(holder.itemView, View.ALPHA, 0f);
    removeAnimator.setDuration(getRemoveDuration());
    removeAnimator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationStart(Animator animator) {
            dispatchRemoveStarting(holder);
        }

        @Override
        public void onAnimationEnd(Animator animator) {
            animator.removeAllListeners();
            mAnimators.remove(holder);
            holder.itemView.setAlpha(prevAlpha);
            dispatchRemoveFinished(holder);
        }
    });
    mRemoveAnimatorsList.add(removeAnimator);
    mAnimators.put(holder, removeAnimator);
    return true;
}

---

From source file:ua.yyunikov.android.view.AdditionRemovalListView.java

public void removeWithAnimation(final AdditionRemovalAdapter.Item item, final View itemView) {
    final ObjectAnimator anim = ObjectAnimator.ofFloat(itemView, View.ALPHA, 0);

    anim.setDuration(ANIMATION_TIME);//from  www  .j  ava2s.  c o m
    ViewCompat.setHasTransientState(itemView, true);

    anim.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            remove(item);
            itemView.setAlpha(1);
            ViewCompat.setHasTransientState(itemView, false);
        }
    });
    anim.start();
}

---

From source file:net.huannguyen.conductorexample.transition.DetailPopAnimChangeHandler.java

@NonNull
@Override//from  w w  w . jav  a2  s . c o  m
protected Animator getAnimator(@NonNull ViewGroup container, @Nullable View from, @Nullable View to,
        boolean isPush, boolean toAddedToContainer) {

    // Make sure the from view is a CountryDetailView
    if (from == null || !(from instanceof CountryDetailView))
        throw new IllegalArgumentException("The from view must be a CountryDetailView");

    if (to == null)
        throw new IllegalArgumentException("The to view must not be null");

    final CountryDetailView detailView = (CountryDetailView) from;

    AnimatorSet animatorSet = new AnimatorSet();

    // Set the to View's alpha to 0 to hide it at the beginning.
    to.setAlpha(0);

    // Scale down to hide the fab button
    PropertyValuesHolder fabScaleX = PropertyValuesHolder.ofFloat(View.SCALE_X, 0);
    PropertyValuesHolder fabScaleY = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0);
    Animator hideFabButtonAnimator = ObjectAnimator.ofPropertyValuesHolder(detailView.favouriteFab, fabScaleX,
            fabScaleY);

    // Slide up the flag
    Animator flagAnimator = ObjectAnimator.ofFloat(detailView.flagView, View.TRANSLATION_Y, 0,
            -detailView.flagView.getHeight());

    // Slide down the details
    Animator detailAnimator = ObjectAnimator.ofFloat(detailView.detailGroup, View.TRANSLATION_Y, 0,
            detailView.detailGroup.getHeight());

    // Show the new view
    Animator showToViewAnimator = ObjectAnimator.ofFloat(to, View.ALPHA, 0, 1);

    animatorSet.playTogether(hideFabButtonAnimator, flagAnimator, detailAnimator, showToViewAnimator);
    animatorSet.setDuration(300);
    animatorSet.setInterpolator(new FastOutLinearInInterpolator());

    animatorSet.start();

    return animatorSet;
}

---

From source file:com.google.android.apps.muzei.util.AnimatedMuzeiLogoFragment.java

@Override
public void onViewCreated(final View view, @Nullable final Bundle savedInstanceState) {
    mSubtitleView = view.findViewById(R.id.logo_subtitle);

    mLogoView = (AnimatedMuzeiLogoView) view.findViewById(R.id.animated_logo);
    mLogoView.setOnStateChangeListener(new AnimatedMuzeiLogoView.OnStateChangeListener() {
        @Override/*from   w w  w .  ja  va2s.c  o  m*/
        public void onStateChange(int state) {
            if (state == AnimatedMuzeiLogoView.STATE_FILL_STARTED) {
                mSubtitleView.setAlpha(0);
                mSubtitleView.setVisibility(View.VISIBLE);
                mSubtitleView.setTranslationY(-mSubtitleView.getHeight());

                // Bug in older versions where set.setInterpolator didn't work
                AnimatorSet set = new AnimatorSet();
                Interpolator interpolator = new OvershootInterpolator();
                ObjectAnimator a1 = ObjectAnimator.ofFloat(mLogoView, View.TRANSLATION_Y, 0);
                ObjectAnimator a2 = ObjectAnimator.ofFloat(mSubtitleView, View.TRANSLATION_Y, 0);
                ObjectAnimator a3 = ObjectAnimator.ofFloat(mSubtitleView, View.ALPHA, 1);
                a1.setInterpolator(interpolator);
                a2.setInterpolator(interpolator);
                set.setDuration(500).playTogether(a1, a2, a3);
                set.start();

                if (mOnFillStartedCallback != null) {
                    mOnFillStartedCallback.run();
                }
            }
        }
    });
    if (savedInstanceState == null) {
        reset();
    }
}

---

From source file:com.google.cloud.android.dialogflow.ui.AudioIndicatorView.java

private void startAnimating() {
    mAnimator = ObjectAnimator.ofFloat(this, View.ALPHA, 1.f, 0.3f);
    mAnimator.setRepeatCount(ObjectAnimator.INFINITE);
    mAnimator.setRepeatMode(ObjectAnimator.REVERSE);
    mAnimator.setDuration(1000);//from   w  ww. j  a  v a  2s.  co  m
    mAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
    mAnimator.start();
}

---

From source file:org.hawkular.client.android.util.ViewTransformer.java

@UiThread
public void show() {
    Animator animator = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 1);
    animator.setInterpolator(new FastOutSlowInInterpolator());
    animator.setDuration(Durations.MEDIUM);

    animator.start();//from w w  w .  j  a v a  2 s. com
}

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From source file:com.chromium.fontinstaller.util.ViewUtils.java

public static void reveal(Activity activity, View view, View sourceView, int colorRes) {
    if (activity == null || view == null || sourceView == null)
        return;/*from ww  w.java 2 s. com*/
    if (isLollipop()) {
        final ViewGroupOverlay groupOverlay = (ViewGroupOverlay) activity.getWindow().getDecorView()
                .getOverlay();

        final Rect displayRect = new Rect();
        view.getGlobalVisibleRect(displayRect);

        // Make reveal cover the display and status bar.
        final View revealView = new View(activity);
        revealView.setTop(displayRect.top);
        revealView.setBottom(displayRect.bottom);
        revealView.setLeft(displayRect.left);
        revealView.setRight(displayRect.right);
        revealView.setBackgroundColor(ContextCompat.getColor(activity, colorRes));
        groupOverlay.add(revealView);

        final int[] clearLocation = new int[2];
        sourceView.getLocationInWindow(clearLocation);
        clearLocation[0] += sourceView.getWidth() / 2;
        clearLocation[1] += sourceView.getHeight() / 2;

        final int revealCenterX = clearLocation[0] - revealView.getLeft();
        final int revealCenterY = clearLocation[1] - revealView.getTop();

        final double x1_2 = Math.pow(revealView.getLeft() - revealCenterX, 2);
        final double x2_2 = Math.pow(revealView.getRight() - revealCenterX, 2);
        final double y_2 = Math.pow(revealView.getTop() - revealCenterY, 2);
        final float revealRadius = (float) Math.max(Math.sqrt(x1_2 + y_2), Math.sqrt(x2_2 + y_2));

        try {
            final Animator revealAnimator = ViewAnimationUtils.createCircularReveal(revealView, revealCenterX,
                    revealCenterY, 0.0f, revealRadius);
            revealAnimator
                    .setDuration(activity.getResources().getInteger(android.R.integer.config_mediumAnimTime));

            final Animator alphaAnimator = ObjectAnimator.ofFloat(revealView, View.ALPHA, 0.0f);
            alphaAnimator
                    .setDuration(activity.getResources().getInteger(android.R.integer.config_shortAnimTime));
            alphaAnimator.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    super.onAnimationEnd(animation);
                    view.startAnimation(AnimationUtils.loadAnimation(activity, R.anim.abc_fade_in));
                    view.setVisibility(View.VISIBLE);
                }
            });

            final AnimatorSet animatorSet = new AnimatorSet();
            animatorSet.play(revealAnimator).before(alphaAnimator);
            animatorSet.setInterpolator(new AccelerateDecelerateInterpolator());
            animatorSet.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animator) {
                    groupOverlay.remove(revealView);
                }
            });

            animatorSet.start();
        } catch (IllegalStateException e) {
            Timber.i("View is detached - not animating");
        }
    } else {
        view.setVisibility(View.VISIBLE);
    }
}

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