Java Code Examples for android.animation.Keyframe#ofFloat()
The following examples show how to use
android.animation.Keyframe#ofFloat() .
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Example 1
| Source File: Utils.java From MaterialDateRangePicker with Apache License 2.0 | 6 votes |
|
/**
* 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 2
| Source File: RadialSelectorView.java From cathode with Apache License 2.0 | 6 votes |
|
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 3
| Source File: RadialSelectorView.java From MaterialDateRangePicker with Apache License 2.0 | 6 votes |
|
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 4
| Source File: ObjectAnimatorValueHolderFragment.java From AndroidAll with Apache License 2.0 | 6 votes |
|
private PropertyValuesHolder getScaleYValuesHolder() {
Keyframe frame0 = Keyframe.ofFloat(0f, 1);
Keyframe frame1 = Keyframe.ofFloat(0.1f, 1.1f);
Keyframe frame2 = Keyframe.ofFloat(0.2f, 1.1f);
Keyframe frame3 = Keyframe.ofFloat(0.3f, 1.1f);
Keyframe frame4 = Keyframe.ofFloat(0.4f, 1.1f);
Keyframe frame5 = Keyframe.ofFloat(0.5f, 1.1f);
Keyframe frame6 = Keyframe.ofFloat(0.6f, 1.1f);
Keyframe frame7 = Keyframe.ofFloat(0.7f, 1.1f);
Keyframe frame8 = Keyframe.ofFloat(0.8f, 1.1f);
Keyframe frame9 = Keyframe.ofFloat(0.9f, 1.1f);
Keyframe frame10 = Keyframe.ofFloat(1, 1);
return PropertyValuesHolder.ofKeyframe("scaleY",
frame0, frame1, frame2, frame3, frame4,
frame5, frame6, frame7, frame8, frame9, frame10);
}
Example 5
| Source File: ObjectAnimatorValueHolderFragment.java From AndroidAll with Apache License 2.0 | 6 votes |
|
private PropertyValuesHolder getScaleXValuesHolder() {
Keyframe frame0 = Keyframe.ofFloat(0f, 1);
Keyframe frame1 = Keyframe.ofFloat(0.1f, 1.1f);
Keyframe frame2 = Keyframe.ofFloat(0.2f, 1.1f);
Keyframe frame3 = Keyframe.ofFloat(0.3f, 1.1f);
Keyframe frame4 = Keyframe.ofFloat(0.4f, 1.1f);
Keyframe frame5 = Keyframe.ofFloat(0.5f, 1.1f);
Keyframe frame6 = Keyframe.ofFloat(0.6f, 1.1f);
Keyframe frame7 = Keyframe.ofFloat(0.7f, 1.1f);
Keyframe frame8 = Keyframe.ofFloat(0.8f, 1.1f);
Keyframe frame9 = Keyframe.ofFloat(0.9f, 1.1f);
Keyframe frame10 = Keyframe.ofFloat(1, 1);
return PropertyValuesHolder.ofKeyframe("scaleX",
frame0, frame1, frame2, frame3, frame4,
frame5, frame6, frame7, frame8, frame9, frame10);
}
Example 6
| Source File: TimeRadialSelectorView.java From Android-SwitchDateTimePicker with Apache License 2.0 | 6 votes |
|
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 7
| Source File: Utils.java From AssistantBySDK with Apache License 2.0 | 6 votes |
|
/**
* 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 8
| Source File: Utils.java From StyleableDateTimePicker with MIT License | 6 votes |
|
/**
* 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 9
| Source File: RadialSelectorView.java From AlarmOn with Apache License 2.0 | 6 votes |
|
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 10
| Source File: CircleAnimView.java From customview-samples with Apache License 2.0 | 6 votes |
|
public void startAnim(){
if(mValueAnimator!=null&&mValueAnimator.isRunning()){
return;
}
Keyframe k1 = Keyframe.ofFloat(0,mMinSize/2);
Keyframe k2 = Keyframe.ofFloat(0.5f,mMinSize/4);
Keyframe k3 = Keyframe.ofFloat(1,mMinSize/2);
PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofKeyframe("scale",k1,k2,k3);
mValueAnimator = ValueAnimator.ofPropertyValuesHolder(propertyValuesHolder);
mValueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mRadius = (float) animation.getAnimatedValue();
invalidate();
}
});
mValueAnimator.setRepeatCount(ValueAnimator.INFINITE);
mValueAnimator.setDuration(2000);
mValueAnimator.start();
}
Example 11
| Source File: Utils.java From Blackbulb with GNU General Public License v3.0 | 6 votes |
|
/**
* 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 12
| Source File: RadialSelectorView.java From AlarmOn with Apache License 2.0 | 5 votes |
|
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 13
| Source File: SpriteAnimatorBuilder.java From RxTools-master with Apache License 2.0 | 5 votes |
|
private PropertyValuesHolder holder(float[] fractions, Property property, float[] values) {
ensurePair(fractions.length, values.length);
Keyframe[] keyframes = new Keyframe[fractions.length];
for (int i = 0; i < values.length; i++) {
keyframes[i] = Keyframe.ofFloat(fractions[i], values[i]);
}
PropertyValuesHolder valuesHolder = PropertyValuesHolder.
ofKeyframe(property
, keyframes
);
propertyValuesHolders.add(valuesHolder);
return valuesHolder;
}
Example 14
| Source File: KeyFrameUtil.java From Flubber with Apache License 2.0 | 5 votes |
|
public static Keyframe[] getKeyFrames(float[] fractions, float[] values) {
final Keyframe[] keyframes = new Keyframe[fractions.length];
for (int i = 0; i < fractions.length; i++) {
keyframes[i] = Keyframe.ofFloat(fractions[i], values[i]);
}
return keyframes;
}
Example 15
| Source File: RadialSelectorView.java From date_picker_converter with Apache License 2.0 | 5 votes |
|
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 16
| Source File: RadialSelectorView.java From PersianDateRangePicker with Apache License 2.0 | 5 votes |
|
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 17
| Source File: RadialTextsView.java From StyleableDateTimePicker with MIT License | 4 votes |
|
/**
* Render the animations for appearing and disappearing.
*/
private void renderAnimations() {
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// Set up animator for disappearing.
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);
mDisappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusDisappear, fadeOut).setDuration(duration);
mDisappearAnimator.addUpdateListener(mInvalidateUpdateListener);
// Set up animator for reappearing.
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);
mReappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusReappear, fadeIn).setDuration(totalDuration);
mReappearAnimator.addUpdateListener(mInvalidateUpdateListener);
}
Example 18
| Source File: RadialTextsView.java From AlarmOn with Apache License 2.0 | 4 votes |
|
/**
* Render the animations for appearing and disappearing.
*/
private void renderAnimations() {
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// Set up animator for disappearing.
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);
mDisappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusDisappear, fadeOut).setDuration(duration);
mDisappearAnimator.addUpdateListener(mInvalidateUpdateListener);
// Set up animator for reappearing.
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);
mReappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusReappear, fadeIn).setDuration(totalDuration);
mReappearAnimator.addUpdateListener(mInvalidateUpdateListener);
}
Example 19
| Source File: RadialTextsView.java From MaterialDateRangePicker with Apache License 2.0 | 4 votes |
|
/**
* Render the animations for appearing and disappearing.
*/
private void renderAnimations() {
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// Set up animator for disappearing.
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);
mDisappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusDisappear, fadeOut).setDuration(duration);
mDisappearAnimator.addUpdateListener(mInvalidateUpdateListener);
// Set up animator for reappearing.
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);
mReappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusReappear, fadeIn).setDuration(totalDuration);
mReappearAnimator.addUpdateListener(mInvalidateUpdateListener);
}
Example 20
| Source File: RadialTextsView.java From narrate-android with Apache License 2.0 | 4 votes |
|
/**
* Render the animations for appearing and disappearing.
*/
private void renderAnimations() {
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// Set up animator for disappearing.
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);
mDisappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusDisappear, fadeOut).setDuration(duration);
mDisappearAnimator.addUpdateListener(mInvalidateUpdateListener);
// Set up animator for reappearing.
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);
mReappearAnimator = ObjectAnimator.ofPropertyValuesHolder(
this, radiusReappear, fadeIn).setDuration(totalDuration);
mReappearAnimator.addUpdateListener(mInvalidateUpdateListener);
}
