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:android.support.design.widget.FloatingActionButtonLollipop.java

@Override
void onElevationsChanged(final float elevation, final float pressedTranslationZ) {
    final int sdk = Build.VERSION.SDK_INT;
    if (sdk == 21) {
        // Animations produce NPE in version 21. Bluntly set the values instead (matching the
        // logic in the animations below).
        if (mView.isEnabled()) {
            mView.setElevation(elevation);
            if (mView.isFocused() || mView.isPressed()) {
                mView.setTranslationZ(pressedTranslationZ);
            } else {
                mView.setTranslationZ(0);
            }/*from ww w  .  j  a  v a  2s  . co m*/
        } else {
            mView.setElevation(0);
            mView.setTranslationZ(0);
        }
    } else {
        final StateListAnimator stateListAnimator = new StateListAnimator();

        // Animate elevation and translationZ to our values when pressed
        AnimatorSet set = new AnimatorSet();
        set.play(ObjectAnimator.ofFloat(mView, "elevation", elevation).setDuration(0)).with(ObjectAnimator
                .ofFloat(mView, View.TRANSLATION_Z, pressedTranslationZ).setDuration(PRESSED_ANIM_DURATION));
        set.setInterpolator(ANIM_INTERPOLATOR);
        stateListAnimator.addState(PRESSED_ENABLED_STATE_SET, set);

        // Same deal for when we're focused
        set = new AnimatorSet();
        set.play(ObjectAnimator.ofFloat(mView, "elevation", elevation).setDuration(0)).with(ObjectAnimator
                .ofFloat(mView, View.TRANSLATION_Z, pressedTranslationZ).setDuration(PRESSED_ANIM_DURATION));
        set.setInterpolator(ANIM_INTERPOLATOR);
        stateListAnimator.addState(FOCUSED_ENABLED_STATE_SET, set);

        // Animate translationZ to 0 if not pressed
        set = new AnimatorSet();
        set.playSequentially(ObjectAnimator.ofFloat(mView, "elevation", elevation).setDuration(0),
                // This is a no-op animation which exists here only for introducing the duration
                // because setting the delay (on the next animation) via "setDelay" or "after"
                // can trigger a NPE between android versions 22 and 24 (due to a framework
                // bug). The issue has been fixed in version 25.
                ObjectAnimator.ofFloat(mView, View.TRANSLATION_Z, mView.getTranslationZ())
                        .setDuration(PRESSED_ANIM_DELAY),
                ObjectAnimator.ofFloat(mView, View.TRANSLATION_Z, 0f).setDuration(PRESSED_ANIM_DURATION));
        set.setInterpolator(ANIM_INTERPOLATOR);
        stateListAnimator.addState(ENABLED_STATE_SET, set);

        // Animate everything to 0 when disabled
        set = new AnimatorSet();
        set.play(ObjectAnimator.ofFloat(mView, "elevation", 0f).setDuration(0))
                .with(ObjectAnimator.ofFloat(mView, View.TRANSLATION_Z, 0f).setDuration(0));
        set.setInterpolator(ANIM_INTERPOLATOR);
        stateListAnimator.addState(EMPTY_STATE_SET, set);

        mView.setStateListAnimator(stateListAnimator);
    }

    if (mShadowViewDelegate.isCompatPaddingEnabled()) {
        updatePadding();
    }
}

---

From source file:com.liyu.huahui.ui.widgets.MorphDialogToFab.java

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
@Override//from   www  .ja 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.setInterpolator(
            AnimationUtils.loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    transition.setDuration(300);
    return transition;
}

---

From source file:com.wolski_msk.collector.sample.transition.MorphDialogToFab.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override/*  w ww  .  j a  v a  2  s . co m*/
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.setInterpolator(
            AnimationUtils.loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in));
    transition.setDuration(300);
    return transition;
}

---

From source file:com.liyu.huahui.ui.widgets.MorphFabToDialog.java

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
@Override//from   ww w  .j  ava 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))
                    .start();
            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.sinyuk.jianyi.utils.morph.MorphFabToDialog.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override//ww  w .j a v  a2  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))
                    .start();
            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.philliphsu.bottomsheetpickers.time.numberpad.NumberPadTimePicker.java

public NumberPadTimePicker(Context context, AttributeSet attrs) {
    super(context, attrs);
    mAltButtons[0] = (Button) findViewById(R.id.bsp_leftAlt);
    mAltButtons[1] = (Button) findViewById(R.id.bsp_rightAlt);
    mFab = (FloatingActionButton) findViewById(R.id.bsp_fab);
    mBackspace = (ImageButton) findViewById(R.id.bsp_backspace);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mElevationAnimator = ObjectAnimator
                .ofFloat(mFab, "elevation", getResources().getDimension(R.dimen.bsp_fab_elevation))
                .setDuration(200);// w ww  .java  2  s.  c  om
        mElevationAnimator.setInterpolator(new DecelerateInterpolator());
    } else {
        // Only animate the elevation for 21+ because changing elevation on pre-21
        // shifts the FAB slightly up/down. For that reason, pre-21 has elevation
        // permanently set to 0 (in XML).
        mElevationAnimator = null;
    }

    mFabDisabledColorDark = ContextCompat.getColor(context, R.color.bsp_fab_disabled_dark);
    mFabDisabledColorLight = ContextCompat.getColor(context, R.color.bsp_fab_disabled_light);

    setIs24HourMode(DateFormat.is24HourFormat(context));
}

---

From source file:com.hitherejoe.animate.util.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;
    }// ww w . j  a va 2 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_fast 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.github.shareme.gwsmaterialuikit.library.viewanimator.AnimationBuilder.java

/**
 * Property animation builder.// ww  w .java  2s .co m
 *
 * @param propertyName the property name
 * @param values       the values
 * @return the animation builder
 */
public AnimationBuilder property(String propertyName, float... values) {
    for (View view : views) {
        this.animatorList.add(ObjectAnimator.ofFloat(view, propertyName, getValues(values)));
    }
    return this;
}

---

From source file:com.dante.girl.lib.MorphFabToDialog.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override/* w  ww  .j av  a 2 s .c o  m*/
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, MorphDrawable.COLOR, endColor);
    Animator corners = ObjectAnimator.ofFloat(background, MorphDrawable.CORNER_RADIUS, endCornerRadius);

    // ease in the dialog's child views (slide up & fade_fast 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:de.persoapp.android.activity.fragment.InitializeAppFragment.java

private void playSuccessAnimation() {
    ObjectAnimator animator = ObjectAnimator.ofFloat(this, "saturation", 1F);
    animator.setDuration(1000L);// w w w .  j  ava  2  s  . com
    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            mImageView.animate().alpha(0).setDuration(300l).withEndAction(new Runnable() {
                @Override
                public void run() {
                    mEventBus.post(new OnAppInitialized(true));
                }
            });
        }
    });
    animator.start();
}

---

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