Example usage for android.animation ObjectAnimator ofFloat

Introduction

In this page you can find the example usage for android.animation ObjectAnimator ofFloat.

Prototype

public static <T> ObjectAnimator ofFloat(T target, Property<T, Float> property, float... values) 

Source Link

Document

Constructs and returns an ObjectAnimator that animates between float values.

Usage

From source file:com.caij.codehub.ui.transitions.MorphDialogToFab.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override/*w w  w.j a v a 2s. com*/
public Animator createAnimator(final ViewGroup sceneRoot, TransitionValues startValues,
        TransitionValues endValues) {
    Animator changeBounds = super.createAnimator(sceneRoot, startValues, endValues);
    if (startValues == null || endValues == null || changeBounds == null) {
        return null;
    }

    Integer startColor = (Integer) startValues.values.get(PROPERTY_COLOR);
    Integer startCornerRadius = (Integer) startValues.values.get(PROPERTY_CORNER_RADIUS);
    Integer endColor = (Integer) endValues.values.get(PROPERTY_COLOR);
    Integer endCornerRadius = (Integer) endValues.values.get(PROPERTY_CORNER_RADIUS);

    if (startColor == null || startCornerRadius == null || endColor == null || endCornerRadius == null) {
        return null;
    }

    MorphDrawable background = new MorphDrawable(startColor, startCornerRadius);
    endValues.view.setBackground(background);

    Animator color = ObjectAnimator.ofArgb(background, background.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, background.CORNER_RADIUS, endCornerRadius);

    // hide child views (offset down & fade out)
    if (endValues.view instanceof ViewGroup) {
        ViewGroup vg = (ViewGroup) endValues.view;
        for (int i = 0; i < vg.getChildCount(); i++) {
            View v = vg.getChildAt(i);
            v.animate().alpha(0f).translationY(v.getHeight() / 3).setStartDelay(0L).setDuration(50L)
                    .setInterpolator(AnimationUtils.loadInterpolator(vg.getContext(),
                            android.R.interpolator.fast_out_linear_in))
                    .start();
        }
    }

    AnimatorSet transition = new AnimatorSet();
    transition.playTogether(changeBounds, corners, color);
    transition.setDuration(300);
    transition.setInterpolator(AnimUtils.getMaterialInterpolator(sceneRoot.getContext()));
    return transition;
}

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From source file:com.josecalles.porridge.transitions.MorphDialogToFab.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, TransitionValues startValues,
        TransitionValues endValues) {//www  .j  a  va2  s  . com
    Animator changeBounds = super.createAnimator(sceneRoot, startValues, endValues);
    if (startValues == null || endValues == null || changeBounds == null) {
        return null;
    }

    Integer startColor = (Integer) startValues.values.get(PROPERTY_COLOR);
    Integer startCornerRadius = (Integer) startValues.values.get(PROPERTY_CORNER_RADIUS);
    Integer endColor = (Integer) endValues.values.get(PROPERTY_COLOR);
    Integer endCornerRadius = (Integer) endValues.values.get(PROPERTY_CORNER_RADIUS);

    if (startColor == null || startCornerRadius == null || endColor == null || endCornerRadius == null) {
        return null;
    }

    MorphDrawable background = new MorphDrawable(startColor, startCornerRadius);
    endValues.view.setBackground(background);

    Animator color = ObjectAnimator.ofArgb(background, background.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, background.CORNER_RADIUS, endCornerRadius);

    // hide child views (offset down & fade out)
    if (endValues.view instanceof ViewGroup) {
        ViewGroup vg = (ViewGroup) endValues.view;
        for (int i = 0; i < vg.getChildCount(); i++) {
            View v = vg.getChildAt(i);
            v.animate().alpha(0f).translationY(v.getHeight() / 3).setStartDelay(0L).setDuration(50L)
                    .setInterpolator(AnimationUtils.loadInterpolator(vg.getContext(),
                            android.R.interpolator.fast_out_linear_in))
                    .start();
        }
    }

    AnimatorSet transition = new AnimatorSet();
    transition.playTogether(changeBounds, corners, color);
    transition.setDuration(300);
    transition.setInterpolator(
            AnimationUtils.loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    return transition;
}

---

From source file:com.caij.codehub.ui.transitions.MorphFabToDialog.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override//from  w ww . j a  v  a  2  s.c om
public Animator createAnimator(final ViewGroup sceneRoot, TransitionValues startValues,
        final TransitionValues endValues) {
    Animator changeBounds = super.createAnimator(sceneRoot, startValues, endValues);
    if (startValues == null || endValues == null || changeBounds == null) {
        return null;
    }

    Integer startColor = (Integer) startValues.values.get(PROPERTY_COLOR);
    Integer startCornerRadius = (Integer) startValues.values.get(PROPERTY_CORNER_RADIUS);
    Integer endColor = (Integer) endValues.values.get(PROPERTY_COLOR);
    Integer endCornerRadius = (Integer) endValues.values.get(PROPERTY_CORNER_RADIUS);

    if (startColor == null || startCornerRadius == null || endColor == null || endCornerRadius == null) {
        return null;
    }

    MorphDrawable background = new MorphDrawable(startColor, startCornerRadius);
    endValues.view.setBackground(background);

    Animator color = ObjectAnimator.ofArgb(background, background.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, background.CORNER_RADIUS, endCornerRadius);

    // ease in the dialog's child views (slide up & fade in)
    if (endValues.view instanceof ViewGroup) {
        ViewGroup vg = (ViewGroup) endValues.view;
        float offset = vg.getHeight() / 3;
        for (int i = 0; i < vg.getChildCount(); i++) {
            View v = vg.getChildAt(i);
            v.setTranslationY(offset);
            v.setAlpha(0f);
            v.animate().alpha(1f).translationY(0f).setDuration(150).setStartDelay(150).setInterpolator(
                    AnimationUtils.loadInterpolator(vg.getContext(), android.R.interpolator.fast_out_slow_in));
            offset *= 1.8f;
        }
    }

    AnimatorSet transition = new AnimatorSet();
    transition.playTogether(changeBounds, corners, color);
    transition.setDuration(300);
    transition.setInterpolator(
            AnimationUtils.loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    return transition;
}

---

From source file:com.example.linhdq.test.install.InstallActivity.java

private void startInstallAnimation() {
    mTip1.setAlpha(0);/*from   w w  w.  ja  v  a2s.c  o  m*/
    mTip2.setAlpha(0);
    mTip3.setAlpha(0);
    mYoutube.setAlpha(0);

    ObjectAnimator anim1 = ObjectAnimator.ofFloat(mTip1, "alpha", 1);
    ObjectAnimator anim2 = ObjectAnimator.ofFloat(mTip2, "alpha", 1);
    ObjectAnimator anim3 = ObjectAnimator.ofFloat(mTip3, "alpha", 1);
    ObjectAnimator anim4 = ObjectAnimator.ofFloat(mYoutube, "alpha", 1);
    AnimatorSet set = new AnimatorSet();
    set.setStartDelay(300);
    set.setDuration(600);
    set.playTogether(anim1, anim2, anim3, anim4);
    set.start();
    mFairyAnimation.start();

}

---

From source file:com.softminds.matrixcalculator.base_activities.faqs.java

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    switch (motionEvent.getAction()) {
    case MotionEvent.ACTION_DOWN:
        ObjectAnimator animator = ObjectAnimator.ofFloat(view, "translationZ", 20);
        animator.setDuration(200);/* ww w  . j  a  v  a  2  s. c  o m*/
        animator.setInterpolator(new DecelerateInterpolator());
        animator.start();
        view.performClick();
        return true;
    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        ObjectAnimator animator2 = ObjectAnimator.ofFloat(view, "translationZ", 0);
        animator2.setDuration(200);
        animator2.setInterpolator(new AccelerateInterpolator());
        animator2.start();
        return true;
    default:
        return false;
    }
}

---

From source file:com.amitupadhyay.aboutexample.ui.transitions.MorphDialogToFab.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, TransitionValues startValues,
        TransitionValues endValues) {//from w w  w.j  a va 2  s . co  m
    Animator changeBounds = super.createAnimator(sceneRoot, startValues, endValues);
    if (startValues == null || endValues == null || changeBounds == null) {
        return null;
    }

    Integer startColor = (Integer) startValues.values.get(PROPERTY_COLOR);
    Integer startCornerRadius = (Integer) startValues.values.get(PROPERTY_CORNER_RADIUS);
    Integer endColor = (Integer) endValues.values.get(PROPERTY_COLOR);
    Integer endCornerRadius = (Integer) endValues.values.get(PROPERTY_CORNER_RADIUS);

    if (startColor == null || startCornerRadius == null || endColor == null || endCornerRadius == null) {
        return null;
    }

    MorphDrawable background = new MorphDrawable(startColor, startCornerRadius);
    endValues.view.setBackground(background);

    Animator color = ObjectAnimator.ofArgb(background, background.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, background.CORNER_RADIUS, endCornerRadius);

    // hide child views (offset down & fade out)
    if (endValues.view instanceof ViewGroup) {
        ViewGroup vg = (ViewGroup) endValues.view;
        for (int i = 0; i < vg.getChildCount(); i++) {
            View v = vg.getChildAt(i);
            v.animate().alpha(0f).translationY(v.getHeight() / 3).setStartDelay(0L).setDuration(50L)
                    .setInterpolator(getFastOutLinearInInterpolator(vg.getContext())).start();
        }
    }

    AnimatorSet transition = new AnimatorSet();
    transition.playTogether(changeBounds, corners, color);
    transition.setDuration(300);
    transition.setInterpolator(getFastOutSlowInInterpolator(sceneRoot.getContext()));
    return transition;
}

---

From source file:com.josecalles.porridge.transitions.MorphFabToDialog.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, TransitionValues startValues,
        final TransitionValues endValues) {
    Animator changeBounds = super.createAnimator(sceneRoot, startValues, endValues);
    if (startValues == null || endValues == null || changeBounds == null) {
        return null;
    }//w w  w . ja v  a2  s .c  o  m

    Integer startColor = (Integer) startValues.values.get(PROPERTY_COLOR);
    Integer startCornerRadius = (Integer) startValues.values.get(PROPERTY_CORNER_RADIUS);
    Integer endColor = (Integer) endValues.values.get(PROPERTY_COLOR);
    Integer endCornerRadius = (Integer) endValues.values.get(PROPERTY_CORNER_RADIUS);

    if (startColor == null || startCornerRadius == null || endColor == null || endCornerRadius == null) {
        return null;
    }

    MorphDrawable background = new MorphDrawable(startColor, startCornerRadius);
    endValues.view.setBackground(background);

    Animator color = ObjectAnimator.ofArgb(background, background.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, background.CORNER_RADIUS, endCornerRadius);

    // ease in the dialog's child views (slide up & fade in)
    if (endValues.view instanceof ViewGroup) {
        ViewGroup vg = (ViewGroup) endValues.view;
        float offset = vg.getHeight() / 3;
        for (int i = 0; i < vg.getChildCount(); i++) {
            View v = vg.getChildAt(i);
            v.setTranslationY(offset);
            v.setAlpha(0f);
            v.animate().alpha(1f).translationY(0f).setDuration(150).setStartDelay(150).setInterpolator(
                    AnimationUtils.loadInterpolator(vg.getContext(), android.R.interpolator.fast_out_slow_in));
            offset *= 1.8f;
        }
    }

    AnimatorSet transition = new AnimatorSet();
    transition.playTogether(changeBounds, corners, color);
    transition.setDuration(300);
    transition.setInterpolator(
            AnimationUtils.loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    return transition;
}

---

From source file:android.support.transition.Fade.java

/**
 * Utility method to handle creating and running the Animator.
 *//*from ww w.  j a  v a2 s . c  o  m*/
private Animator createAnimation(final View view, float startAlpha, float endAlpha) {
    if (startAlpha == endAlpha) {
        return null;
    }
    ViewUtils.setTransitionAlpha(view, startAlpha);
    final ObjectAnimator anim = ObjectAnimator.ofFloat(view, ViewUtils.TRANSITION_ALPHA, endAlpha);
    if (DBG) {
        Log.d(LOG_TAG, "Created animator " + anim);
    }
    FadeAnimatorListener listener = new FadeAnimatorListener(view);
    anim.addListener(listener);
    addListener(new TransitionListenerAdapter() {
        @Override
        public void onTransitionEnd(@NonNull Transition transition) {
            ViewUtils.setTransitionAlpha(view, 1);
            ViewUtils.clearNonTransitionAlpha(view);
            transition.removeListener(this);
        }
    });
    return anim;
}

---

From source file:im.ene.ribbon.FixedActionTabView.java

@Override
protected void onStatusChanged(final boolean expanded, final int size, final boolean animate) {
    if (!animate) {
        updateLayoutOnAnimation(1, expanded);
        setIconTranslation(expanded ? 0 : (paddingTopInactive - paddingTopActive));
        return;//from ww w .j  ava2s . co  m
    }

    final AnimatorSet set = new AnimatorSet();
    set.setDuration(animationDuration);
    set.setInterpolator(interpolator);

    final ValueAnimator textScaleAnimator = ObjectAnimator.ofFloat(this, "textScale",
            expanded ? TEXT_SCALE_ACTIVE : 1);

    textScaleAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(final ValueAnimator animation) {
            final float fraction = animation.getAnimatedFraction();
            updateLayoutOnAnimation(fraction, expanded);
        }
    });

    final ValueAnimator iconTranslationAnimator = ObjectAnimator.ofFloat(this, "iconTranslation",
            expanded ? 0 : (paddingTopInactive - paddingTopActive));

    set.playTogether(textScaleAnimator, iconTranslationAnimator);
    set.start();
}

---

From source file:com.sysdata.widget.accordion.CollapsedViewHolder.java

private Animator createCollapsingAnimator(ArrowItemViewHolder oldHolder, long duration) {
    final View oldView = oldHolder.itemView;
    final View newView = itemView;
    final Animator boundsAnimator = AnimatorUtils.getBoundsAnimator(newView, oldView, newView)
            .setDuration(duration);/*  ww  w  .j a v a 2 s  . co m*/
    boundsAnimator.setInterpolator(AnimatorUtils.INTERPOLATOR_FAST_OUT_SLOW_IN);

    final AnimatorSet animatorSet;
    if (arrow != null) {
        final View oldArrow = oldHolder.arrow;
        final Rect oldArrowRect = new Rect(0, 0, oldArrow.getWidth(), oldArrow.getHeight());
        final Rect newArrowRect = new Rect(0, 0, arrow.getWidth(), arrow.getHeight());
        ((ViewGroup) newView).offsetDescendantRectToMyCoords(arrow, newArrowRect);
        ((ViewGroup) oldView).offsetDescendantRectToMyCoords(oldArrow, oldArrowRect);
        final float arrowTranslationY = oldArrowRect.bottom - newArrowRect.bottom;
        arrow.setTranslationY(arrowTranslationY);
        arrow.setVisibility(View.VISIBLE);

        final Animator arrowAnimation = ObjectAnimator.ofFloat(arrow, View.TRANSLATION_Y, 0f)
                .setDuration(duration);
        arrowAnimation.setInterpolator(AnimatorUtils.INTERPOLATOR_FAST_OUT_SLOW_IN);

        animatorSet = new AnimatorSet();
        animatorSet.playTogether(boundsAnimator, arrowAnimation);
        animatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animator) {
                AnimatorUtils.startDrawableAnimation(arrow);
            }
        });
    } else {
        animatorSet = new AnimatorSet();
        animatorSet.playTogether(boundsAnimator);
    }

    return animatorSet;
}

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