Examples with Keyframe android.animation.Keyframe used on opensource projects

Example 6 with Keyframe

use of android.animation.Keyframe in project Android-SpinKit by ybq.

the class SpriteAnimatorBuilder method build.

public ObjectAnimator build() {
    PropertyValuesHolder[] holders = new PropertyValuesHolder[fds.size()];
    int i = 0;
    for (Map.Entry<String, FrameData> fd : fds.entrySet()) {
        FrameData data = fd.getValue();
        Keyframe[] keyframes = new Keyframe[data.fractions.length];
        float[] fractions = data.fractions;
        float startF = fractions[startFrame];
        for (int j = startFrame; j < (startFrame + data.values.length); j++) {
            int key = j - startFrame;
            int vk = j % data.values.length;
            float fraction = fractions[vk] - startF;
            if (fraction < 0) {
                fraction = fractions[fractions.length - 1] + fraction;
            }
            if (data instanceof IntFrameData) {
                keyframes[key] = Keyframe.ofInt(fraction, (Integer) data.values[vk]);
            } else if (data instanceof FloatFrameData) {
                keyframes[key] = Keyframe.ofFloat(fraction, (Float) data.values[vk]);
            } else {
                keyframes[key] = Keyframe.ofObject(fraction, data.values[vk]);
            }
        }
        holders[i] = PropertyValuesHolder.ofKeyframe(data.property, keyframes);
        i++;
    }
    ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(sprite, holders);
    animator.setDuration(duration);
    animator.setRepeatCount(repeatCount);
    animator.setInterpolator(interpolator);
    return animator;
}

Example 7 with Keyframe

use of android.animation.Keyframe in project MaterialDateTimePicker by wdullaer.

the class RadialSelectorView method getReappearAnimator.

public ObjectAnimator getReappearAnimator() {
    if (!mIsInitialized || !mDrawValuesReady) {
        Log.e(TAG, "RadialSelectorView was not ready for animation.");
        return null;
    }
    Keyframe kf0, kf1, kf2, kf3;
    float midwayPoint = 0.2f;
    int duration = 500;
    // The time points are half of what they would normally be, because this animation is
    // staggered against the disappear so they happen seamlessly. The reappear starts
    // halfway into the disappear.
    float delayMultiplier = 0.25f;
    float transitionDurationMultiplier = 1f;
    float totalDurationMultiplier = transitionDurationMultiplier + delayMultiplier;
    int totalDuration = (int) (duration * totalDurationMultiplier);
    float delayPoint = (delayMultiplier * duration) / totalDuration;
    midwayPoint = 1 - (midwayPoint * (1 - delayPoint));
    kf0 = Keyframe.ofFloat(0f, mTransitionEndRadiusMultiplier);
    kf1 = Keyframe.ofFloat(delayPoint, mTransitionEndRadiusMultiplier);
    kf2 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
    kf3 = Keyframe.ofFloat(1f, 1);
    PropertyValuesHolder radiusReappear = PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2, kf3);
    kf0 = Keyframe.ofFloat(0f, 0f);
    kf1 = Keyframe.ofFloat(delayPoint, 0f);
    kf2 = Keyframe.ofFloat(1f, 1f);
    PropertyValuesHolder fadeIn = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1, kf2);
    ObjectAnimator reappearAnimator = ObjectAnimator.ofPropertyValuesHolder(this, radiusReappear, fadeIn).setDuration(totalDuration);
    reappearAnimator.addUpdateListener(mInvalidateUpdateListener);
    return reappearAnimator;
}

Example 8 with Keyframe

use of android.animation.Keyframe in project MaterialDateTimePicker by wdullaer.

the class RadialSelectorView method getDisappearAnimator.

public ObjectAnimator getDisappearAnimator() {
    if (!mIsInitialized || !mDrawValuesReady) {
        Log.e(TAG, "RadialSelectorView was not ready for animation.");
        return null;
    }
    Keyframe kf0, kf1, kf2;
    float midwayPoint = 0.2f;
    int duration = 500;
    kf0 = Keyframe.ofFloat(0f, 1);
    kf1 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
    kf2 = Keyframe.ofFloat(1f, mTransitionEndRadiusMultiplier);
    PropertyValuesHolder radiusDisappear = PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2);
    kf0 = Keyframe.ofFloat(0f, 1f);
    kf1 = Keyframe.ofFloat(1f, 0f);
    PropertyValuesHolder fadeOut = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1);
    ObjectAnimator disappearAnimator = ObjectAnimator.ofPropertyValuesHolder(this, radiusDisappear, fadeOut).setDuration(duration);
    disappearAnimator.addUpdateListener(mInvalidateUpdateListener);
    return disappearAnimator;
}

Example 9 with Keyframe

use of android.animation.Keyframe in project MaterialDateTimePicker by wdullaer.

the class Utils method getPulseAnimator.

/**
     * Takes a number of weeks since the epoch and calculates the Julian day of
     * the Monday for that week.
     *
     * This assumes that the week containing the {@link Time#EPOCH_JULIAN_DAY}
     * is considered week 0. It returns the Julian day for the Monday
     * {@code week} weeks after the Monday of the week containing the epoch.
     *
     * @param week Number of weeks since the epoch
     * @return The julian day for the Monday of the given week since the epoch
     */
/**
    public static int getJulianMondayFromWeeksSinceEpoch(int week) {
        return MONDAY_BEFORE_JULIAN_EPOCH + week * 7;
    }
     */
/**
     * Returns the week since {@link Time#EPOCH_JULIAN_DAY} (Jan 1, 1970)
     * adjusted for first day of week.
     *
     * This takes a julian day and the week start day and calculates which
     * week since {@link Time#EPOCH_JULIAN_DAY} that day occurs in, starting
     * at 0. *Do not* use this to compute the ISO week number for the year.
     *
     * @param julianDay The julian day to calculate the week number for
     * @param firstDayOfWeek Which week day is the first day of the week,
     *          see {@link Time#SUNDAY}
     * @return Weeks since the epoch
     */
/**
    public static int getWeeksSinceEpochFromJulianDay(int julianDay, int firstDayOfWeek) {
        int diff = Time.THURSDAY - firstDayOfWeek;
        if (diff < 0) {
            diff += 7;
        }
        int refDay = Time.EPOCH_JULIAN_DAY - diff;
        return (julianDay - refDay) / 7;
    }
     */
/**
     * Render an animator to pulsate a view in place.
     * @param labelToAnimate the view to pulsate.
     * @return The animator object. Use .start() to begin.
     */
public static ObjectAnimator getPulseAnimator(View labelToAnimate, float decreaseRatio, float increaseRatio) {
    Keyframe k0 = Keyframe.ofFloat(0f, 1f);
    Keyframe k1 = Keyframe.ofFloat(0.275f, decreaseRatio);
    Keyframe k2 = Keyframe.ofFloat(0.69f, increaseRatio);
    Keyframe k3 = Keyframe.ofFloat(1f, 1f);
    PropertyValuesHolder scaleX = PropertyValuesHolder.ofKeyframe("scaleX", k0, k1, k2, k3);
    PropertyValuesHolder scaleY = PropertyValuesHolder.ofKeyframe("scaleY", k0, k1, k2, k3);
    ObjectAnimator pulseAnimator = ObjectAnimator.ofPropertyValuesHolder(labelToAnimate, scaleX, scaleY);
    pulseAnimator.setDuration(PULSE_ANIMATOR_DURATION);
    return pulseAnimator;
}

Example 10 with Keyframe

use of android.animation.Keyframe in project AisenWeiBo by wangdan.

the class RadialSelectorView method getDisappearAnimator.

public ObjectAnimator getDisappearAnimator() {
    if (!mIsInitialized || !mDrawValuesReady) {
        Log.e(TAG, "RadialSelectorView was not ready for animation.");
        return null;
    }
    Keyframe kf0, kf1, kf2;
    float midwayPoint = 0.2f;
    int duration = 500;
    kf0 = Keyframe.ofFloat(0f, 1);
    kf1 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
    kf2 = Keyframe.ofFloat(1f, mTransitionEndRadiusMultiplier);
    PropertyValuesHolder radiusDisappear = PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2);
    kf0 = Keyframe.ofFloat(0f, 1f);
    kf1 = Keyframe.ofFloat(1f, 0f);
    PropertyValuesHolder fadeOut = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1);
    ObjectAnimator disappearAnimator = ObjectAnimator.ofPropertyValuesHolder(this, radiusDisappear, fadeOut).setDuration(duration);
    disappearAnimator.addUpdateListener(mInvalidateUpdateListener);
    return disappearAnimator;
}