private Animator createHideItemAnimator(final View item) {
final float dx = centerItem.getX() - item.getX();
final float dy = centerItem.getY() - item.getY();
Animator anim =
ObjectAnimator.ofPropertyValuesHolder(
item,
AnimatorUtils.scaleX(1f, 0f),
AnimatorUtils.scaleY(1f, 0f),
AnimatorUtils.translationX(0f, dx),
AnimatorUtils.translationY(0f, dy));
anim.setInterpolator(new DecelerateInterpolator());
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
item.setTranslationX(0f);
item.setTranslationY(0f);
}
});
anim.setDuration(50);
return anim;
}
public void compatSetOrAnimatePlusCheckIcon(
final ImageView imageView, boolean isCheck, boolean allowAnimate) {
final int imageResId =
isCheck
? R.drawable.add_schedule_button_icon_checked
: R.drawable.add_schedule_button_icon_unchecked;
if (imageView.getTag() != null) {
if (imageView.getTag() instanceof Animator) {
Animator anim = (Animator) imageView.getTag();
anim.end();
imageView.setAlpha(1f);
}
}
if (allowAnimate && isCheck) {
int duration = mActivity.getResources().getInteger(android.R.integer.config_shortAnimTime);
Animator outAnimator = ObjectAnimator.ofFloat(imageView, View.ALPHA, 0f);
outAnimator.setDuration(duration / 2);
outAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
imageView.setImageResource(imageResId);
}
});
AnimatorSet inAnimator = new AnimatorSet();
outAnimator.setDuration(duration);
inAnimator.playTogether(
ObjectAnimator.ofFloat(imageView, View.ALPHA, 1f),
ObjectAnimator.ofFloat(imageView, View.SCALE_X, 0f, 1f),
ObjectAnimator.ofFloat(imageView, View.SCALE_Y, 0f, 1f));
AnimatorSet set = new AnimatorSet();
set.playSequentially(outAnimator, inAnimator);
set.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
imageView.setTag(null);
}
});
imageView.setTag(set);
set.start();
} else {
mHandler.post(
new Runnable() {
@Override
public void run() {
imageView.setImageResource(imageResId);
}
});
}
}
private void init() {
PropertyValuesHolder valueHolder_1 = PropertyValuesHolder.ofFloat("scaleX", 1f, 0.9f);
PropertyValuesHolder valueHolder_2 = PropertyValuesHolder.ofFloat("scaleY", 1f, 0.9f);
anim1 = ObjectAnimator.ofPropertyValuesHolder(this, valueHolder_1, valueHolder_2);
anim1.setDuration(200);
anim1.setInterpolator(new LinearInterpolator());
PropertyValuesHolder valueHolder_3 = PropertyValuesHolder.ofFloat("scaleX", 0.9f, 1f);
PropertyValuesHolder valueHolder_4 = PropertyValuesHolder.ofFloat("scaleY", 0.9f, 1f);
anim2 = ObjectAnimator.ofPropertyValuesHolder(this, valueHolder_3, valueHolder_4);
anim2.setDuration(200);
anim2.setInterpolator(new LinearInterpolator());
}
private void hideMenu(int cx, int cy, float startRadius, float endRadius) {
List<Animator> animList = new ArrayList<>();
for (int i = arcLayout.getChildCount() - 1; i >= 0; i--) {
animList.add(createHideItemAnimator(arcLayout.getChildAt(i)));
}
animList.add(createHideItemAnimator(centerItem));
Animator revealAnim = createCircularReveal(menuLayout, cx, cy, startRadius, endRadius);
revealAnim.setInterpolator(new AccelerateDecelerateInterpolator());
revealAnim.setDuration(200);
revealAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
menuLayout.setVisibility(View.INVISIBLE);
}
});
animList.add(revealAnim);
AnimatorSet animSet = new AnimatorSet();
animSet.playSequentially(animList);
animSet.start();
}
// Layout showing effect(using CircularReveal)
private void showLayout(int viewId, int viewId2) {
final View myView = findViewById(viewId);
View myView2 = findViewById(viewId2);
if (android.os.Build.VERSION.SDK_INT > 20) {
int finalRadius = Math.max(myView.getWidth(), myView.getHeight());
int cx = (myView2.getLeft() + myView2.getRight()) / 2;
int cy = (myView2.getTop() + myView2.getBottom()) / 2;
Animator anim = ViewAnimationUtils.createCircularReveal(myView, cx, cy, 0, finalRadius);
anim.setDuration(500);
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
if (gameStatus == GAME_GOGAME) {
gameStatus = GAME_WAITING;
}
}
});
myView.setVisibility(View.VISIBLE);
myView.setAlpha(1);
anim.start();
} else {
myView.setVisibility(View.VISIBLE);
if (gameStatus == GAME_GOGAME) {
gameStatus = GAME_WAITING;
}
}
}
public void animateCircularClip(int x, int y, boolean in, AnimatorListener listener) {
if (mAnimator != null) {
mAnimator.cancel();
}
final int w = mDetail.getWidth() - x;
final int h = mDetail.getHeight() - y;
int innerR = 0;
if (x < 0 || w < 0 || y < 0 || h < 0) {
innerR = Math.abs(x);
innerR = Math.min(innerR, Math.abs(y));
innerR = Math.min(innerR, Math.abs(w));
innerR = Math.min(innerR, Math.abs(h));
}
int r = (int) Math.ceil(Math.sqrt(x * x + y * y));
r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + y * y)));
r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + h * h)));
r = (int) Math.max(r, Math.ceil(Math.sqrt(x * x + h * h)));
if (in) {
mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, innerR, r);
} else {
mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, r, innerR);
}
mAnimator.setDuration((long) (mAnimator.getDuration() * 1.5));
if (listener != null) {
mAnimator.addListener(listener);
}
if (in) {
mBackground.startTransition((int) (mAnimator.getDuration() * 0.6));
mAnimator.addListener(mVisibleOnStart);
} else {
mDetail.postDelayed(mReverseBackground, (long) (mAnimator.getDuration() * 0.65));
mAnimator.addListener(mGoneOnEnd);
}
mAnimator.start();
}
private void animateLoad() {
setTranslationY(500);
setAlpha(0);
final Animator translateAnimator = ObjectAnimator.ofFloat(this, "translationY", 0);
translateAnimator.setDuration(400);
final Animator alphaAnimator = ObjectAnimator.ofFloat(this, "alpha", 1);
alphaAnimator.setStartDelay(200);
alphaAnimator.setDuration(600);
final AnimatorSet set = new AnimatorSet();
set.playTogether(alphaAnimator, translateAnimator);
set.setStartDelay(400);
set.start();
}
private void prepare(View view, FrameLayout FrameLayout) {
int centerX = (view.getLeft() + view.getRight()) / 2;
int centerY = (view.getTop() + view.getBottom()) / 2;
finalRadius = (float) Math.hypot((double) centerX, (double) centerY);
circularAnimator =
ViewAnimationUtils.createCircularReveal(FrameLayout, centerX, centerY, 0, finalRadius);
circularAnimator.setDuration(500);
}
private void showMessage(int duration) {
if (duration > 0) {
Animator anim = ObjectAnimator.ofFloat(this, "alpha", 1f);
anim.setDuration(duration);
anim.start();
} else {
setAlpha(1f);
}
}
@Override
public Animator onCreateAnimator(int transit, boolean enter, int nextAnim) {
if (FragmentUtils.disableAnimations) {
Animator a = AnimatorInflater.loadAnimator(fa, nextAnim);
a.setDuration(0);
return a;
} else {
return super.onCreateAnimator(transit, enter, nextAnim);
}
}
/**
* 根据当前scrollX的位置判断是展开还是折叠
*
* @param velocityX 如果不等于0那么这是一次fling事件,否则是一次ACTION_UP或者ACTION_CANCEL
*/
private boolean smoothHorizontalExpandOrCollapse(float velocityX) {
int scrollX = mTargetView.getScrollX();
int scrollRange = getHorizontalRange();
if (mExpandAndCollapseAnim != null) return false;
int to = 0;
int duration = DEFAULT_DURATION;
if (velocityX == 0) {
// 如果已经展一半，平滑展开
if (scrollX > scrollRange / 2) {
to = scrollRange;
}
} else {
if (velocityX > 0) to = 0;
else to = scrollRange;
duration = (int) ((1.f - Math.abs(velocityX) / mMaxVelocity) * DEFAULT_DURATION);
}
if (to == scrollX) return false;
mExpandAndCollapseAnim = ObjectAnimator.ofInt(mTargetView, "scrollX", to);
mExpandAndCollapseAnim.setDuration(duration);
mExpandAndCollapseAnim.addListener(
new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {}
@Override
public void onAnimationEnd(Animator animation) {
mExpandAndCollapseAnim = null;
if (isCollapsed()) mTargetView = null;
Log.d(TAG, "onAnimationEnd");
}
@Override
public void onAnimationCancel(Animator animation) {
// onAnimationEnd(animation);
mExpandAndCollapseAnim = null;
Log.d(TAG, "onAnimationCancel");
}
@Override
public void onAnimationRepeat(Animator animation) {}
});
mExpandAndCollapseAnim.start();
return true;
}
// testing animation class
private void animateRevealShow(View viewRoot) {
int cx = (viewRoot.getLeft() + viewRoot.getRight()) / 2;
int cy = (viewRoot.getTop() + viewRoot.getBottom()) / 2;
int finalRadius = Math.max(viewRoot.getWidth(), viewRoot.getHeight());
Animator anim = ViewAnimationUtils.createCircularReveal(viewRoot, cx, cy, 0, finalRadius);
viewRoot.setVisibility(View.VISIBLE);
anim.setDuration(1000);
anim.setInterpolator(new AccelerateInterpolator());
anim.start();
}
public void reverse(Animator animation, long time) {
if (animation instanceof ObjectAnimator) {
animation.removeAllListeners();
animation.setDuration(time);
((ObjectAnimator) animation).reverse();
} else if (animation instanceof AnimatorSet) {
ArrayList<Animator> animations = ((AnimatorSet) animation).getChildAnimations();
for (Animator animator : animations) {
reverse(animator, time);
}
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void setMaterialLayout(View addButton) {
addButton.setOutlineProvider(
new ViewOutlineProvider() {
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override
public void getOutline(View view, Outline outline) {
int diameter = getResources().getDimensionPixelSize(R.dimen.button_diameter);
outline.setOval(0, 0, diameter, diameter);
}
});
addButton.setClipToOutline(true);
addButton.setElevation(getResources().getDimension(R.dimen.elevation_low));
// Dynamic add state list animator
Animator press_animator =
ObjectAnimator.ofFloat(
addButton,
"translationZ",
getResources().getDimension(R.dimen.elevation_low),
getResources().getDimension(R.dimen.elevation_high));
press_animator.setDuration(getResources().getInteger(android.R.integer.config_shortAnimTime));
Animator normal_animator =
ObjectAnimator.ofFloat(
addButton,
"translationZ",
getResources().getDimension(R.dimen.elevation_high),
getResources().getDimension(R.dimen.elevation_low));
normal_animator.setDuration(getResources().getInteger(android.R.integer.config_shortAnimTime));
StateListAnimator animatorList = new StateListAnimator();
animatorList.addState(new int[] {android.R.attr.state_pressed}, press_animator);
animatorList.addState(new int[] {}, normal_animator);
addButton.setStateListAnimator(animatorList);
// Dnyamic setBackgroundResource
addButton.setBackgroundResource(R.drawable.ripple_oval);
}
private void reveal(View sourceView, int colorRes, final AnimatorListener listener) {
// Make reveal cover the display
final RevealView revealView = new RevealView(this);
revealView.setLayoutParams(mLayoutParams);
revealView.setRevealColor(getResources().getColor(colorRes));
mDisplayForeground.addView(revealView);
final SupportAnimator revealAnimator;
final int[] clearLocation = new int[2];
if (sourceView != null) {
sourceView.getLocationInWindow(clearLocation);
clearLocation[0] += sourceView.getWidth() / 2;
clearLocation[1] += sourceView.getHeight() / 2;
} else {
clearLocation[0] = mDisplayForeground.getWidth() / 2;
clearLocation[1] = mDisplayForeground.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));
revealAnimator =
ViewAnimationUtils.createCircularReveal(
revealView, revealCenterX, revealCenterY, 0.0f, revealRadius);
revealAnimator.setDuration(getResources().getInteger(android.R.integer.config_longAnimTime));
revealAnimator.addListener(listener);
final Animator alphaAnimator = ObjectAnimator.ofFloat(revealView, View.ALPHA, 0.0f);
alphaAnimator.setDuration(getResources().getInteger(android.R.integer.config_mediumAnimTime));
alphaAnimator.addListener(
new AnimationFinishedListener() {
@Override
public void onAnimationFinished() {
mDisplayForeground.removeView(revealView);
}
});
revealAnimator.addListener(
new AnimationFinishedListener() {
@Override
public void onAnimationFinished() {
play(alphaAnimator);
}
});
play(revealAnimator);
}
private void populateToolbarAnimations() {
mSecurityButtonShowAnimator = new AnimatorSet();
int securityIconButtonWidth =
getResources().getDimensionPixelSize(R.dimen.location_bar_icon_width);
Animator titleUrlTranslateAnimator =
ObjectAnimator.ofFloat(mTitleUrlContainer, TRANSLATION_X, securityIconButtonWidth);
titleUrlTranslateAnimator.setInterpolator(BakedBezierInterpolator.TRANSFORM_CURVE);
titleUrlTranslateAnimator.setDuration(CUSTOM_TAB_TOOLBAR_SLIDE_DURATION_MS);
Animator securityButtonAlphaAnimator = ObjectAnimator.ofFloat(mSecurityButton, ALPHA, 1);
securityButtonAlphaAnimator.setInterpolator(BakedBezierInterpolator.FADE_IN_CURVE);
securityButtonAlphaAnimator.setDuration(CUSTOM_TAB_TOOLBAR_FADE_DURATION_MS);
securityButtonAlphaAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mSecurityButton.setVisibility(VISIBLE);
mTitleUrlContainer.setTranslationX(0);
}
});
mSecurityButtonShowAnimator.playSequentially(
titleUrlTranslateAnimator, securityButtonAlphaAnimator);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private Animator circularRevealActivity(View rootView, int cx, int cy, boolean show) {
float maxRadius = Math.max(rootView.getWidth(), rootView.getHeight());
float startRadius = show ? 0 : maxRadius;
float endRadius = show ? maxRadius : 0;
// create the animator for this view (the start radius is zero)
Animator circularReveal =
ViewAnimationUtils.createCircularReveal(rootView, cx, cy, startRadius, endRadius);
circularReveal.setDuration(animationTime);
// make the view visible and start the animation
rootView.setVisibility(View.VISIBLE);
circularReveal.start();
return circularReveal;
}
/** 为 myView 自身添加显示隐藏的动画 */
@SuppressLint("NewApi")
private static void actionVisible(
final boolean isShow, final View myView, float miniRadius, long durationMills) {
// 版本判断
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
if (isShow) myView.setVisibility(View.VISIBLE);
else myView.setVisibility(View.INVISIBLE);
return;
}
int cx = (myView.getLeft() + myView.getRight()) / 2;
int cy = (myView.getTop() + myView.getBottom()) / 2;
int w = myView.getWidth();
int h = myView.getHeight();
// 勾股定理 & 进一法
int maxRadius = (int) Math.sqrt(w * w + h * h) + 1;
float startRadius, endRadius;
if (isShow) {
// -< 从小到大
startRadius = miniRadius;
endRadius = maxRadius;
} else {
// >- 从大到校
startRadius = maxRadius;
endRadius = miniRadius;
}
Animator anim = ViewAnimationUtils.createCircularReveal(myView, cx, cy, startRadius, endRadius);
myView.setVisibility(View.VISIBLE);
anim.setDuration(durationMills);
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
// 无论显示还是隐藏，都应当在动画结束后执行。
if (isShow) myView.setVisibility(View.VISIBLE);
else myView.setVisibility(View.INVISIBLE);
}
});
anim.start();
}
public void showVoteColor(boolean showAnimation) {
final Animator animator;
switch (voteState) {
case UP:
{
animator = VoteAnimation.voteUpTextColorAnimation(this);
break;
}
default:
animator = VoteAnimation.voteUpReverseTextColorAnimation(this);
break;
}
if (!showAnimation) {
animator.setDuration(0);
}
animator.start();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void contractLollipop(int x, int y, float startRadius, float endRadius) {
Animator toolbarContractAnim =
ViewAnimationUtils.createCircularReveal(mFabExpandLayout, x, y, startRadius, endRadius);
toolbarContractAnim.setDuration(startAnimationDuration);
toolbarContractAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
contractAnimationEnd();
}
});
toolbarContractAnim.start();
}
public void fadeFrame(Object caller, boolean takeControl, float alpha, int duration) {
if (takeControl) {
mBgAlphaController = caller;
}
if (mBgAlphaController != caller && mBgAlphaController != null) {
return;
}
if (mFrameFade != null) {
mFrameFade.cancel();
mFrameFade = null;
}
PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", alpha);
mFrameFade = ObjectAnimator.ofPropertyValuesHolder(this, bgAlpha);
mFrameFade.setDuration(duration);
mFrameFade.start();
}
// Layout hiding effect(using CircularReveal)
private void hideLayout(int viewId, int viewId2) {
final View myView = findViewById(viewId);
View myView2 = findViewById(viewId2);
if (android.os.Build.VERSION.SDK_INT > 20) {
int initialRadius = myView.getWidth();
int cx = (myView2.getLeft() + myView2.getRight()) / 2;
int cy = (myView2.getTop() + myView2.getBottom()) / 2;
Animator anim = ViewAnimationUtils.createCircularReveal(myView, cx, cy, initialRadius, 0);
// anim.setStartDelay(200);
anim.setDuration(500);
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
myView.setVisibility(View.INVISIBLE);
if (gameStatus == GAME_LOADING) showMenu();
else if (gameStatus == GAME_GOMENU) {
hideView(R.id.back);
hideView(R.id.restart);
hideView(R.id.share);
gameStatus = GAME_MENU;
}
}
});
anim.start();
} else {
myView.setVisibility(View.INVISIBLE);
if (gameStatus == GAME_LOADING) showMenu();
else if (gameStatus == GAME_GOMENU) {
hideView(R.id.back);
hideView(R.id.restart);
hideView(R.id.share);
gameStatus = GAME_MENU;
}
}
}
private void clearAnimation() {
final Animator startAnimator;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
final int revealSize = resultContainerView.getWidth();
final int[] location = new int[2];
deleteButton.getLocationInWindow(location);
final int centerX = location[0] + deleteButton.getWidth() / 2;
startAnimator =
ViewAnimationUtils.createCircularReveal(
revealView, centerX, resultContainerView.getHeight(), 0, revealSize);
} else {
startAnimator =
ObjectAnimator.ofFloat(
revealView, View.TRANSLATION_Y, resultContainerView.getHeight(), 0);
}
startAnimator.setDuration(ANIMATION_DURATION_CLEAR_START);
final Animator endAnimator = ObjectAnimator.ofFloat(revealView, View.ALPHA, 1, 0);
final AnimatorSet animator = new AnimatorSet();
animator.addListener(
new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
revealView.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationEnd(Animator animation) {
revealView.setVisibility(View.GONE);
revealView.setAlpha(1);
}
@Override
public void onAnimationCancel(Animator animation) {}
@Override
public void onAnimationRepeat(Animator animation) {}
});
animator.playSequentially(startAnimator, endAnimator);
animator.start();
}
private void animateActionButtonVisibility(final boolean videoExist) {
ActionButton videoBtn = binding.playVideoBtn;
videoBtn.setEnabled(videoExist);
Runnable r =
() -> {
// Button alpha may change during transition, we may have to wait until its end
// to check its state.
Timber.w("Action btn alpha: " + videoBtn.getAlpha());
boolean actionBtnShouldAnimate =
(videoExist && videoBtn.getAlpha() != 1) || (!videoExist && videoBtn.getAlpha() != 0);
if (!actionBtnShouldAnimate) {
return;
}
Animator alphaAnimator = AnimatorUtils.getAlphaAnimator(videoBtn, !videoExist);
alphaAnimator.setDuration(600);
alphaAnimator.start();
};
// Wait just in case transition is still in progress.
videoBtn.postDelayed(r, ACTION_BUTTON_VISIBILITY_ANIM_DELAY);
}
private void showMenu(int cx, int cy, float startRadius, float endRadius) {
menuLayout.setVisibility(View.VISIBLE);
List<Animator> animList = new ArrayList<>();
Animator revealAnim = createCircularReveal(menuLayout, cx, cy, startRadius, endRadius);
revealAnim.setInterpolator(new AccelerateDecelerateInterpolator());
revealAnim.setDuration(200);
animList.add(revealAnim);
animList.add(createShowItemAnimator(centerItem));
for (int i = 0, len = arcLayout.getChildCount(); i < len; i++) {
animList.add(createShowItemAnimator(arcLayout.getChildAt(i)));
}
AnimatorSet animSet = new AnimatorSet();
animSet.playSequentially(animList);
animSet.start();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static void setAnimation(View viewToAnimate, int position) {
try {
if (position >= Reddit.lastposition.get(Reddit.currentPosition) - 1 && Reddit.animation) {
int cx = viewToAnimate.getWidth() / 2;
int cy = viewToAnimate.getHeight() / 2;
int finalRadius = Math.max(viewToAnimate.getWidth(), viewToAnimate.getHeight());
final Animator anim =
ViewAnimationUtils.createCircularReveal(viewToAnimate, cx, cy, 0, finalRadius);
anim.setDuration(Reddit.enter_animation_time);
anim.setInterpolator(new FastOutSlowInInterpolator());
viewToAnimate.setVisibility(View.VISIBLE);
anim.start();
Reddit.lastposition.set(
Reddit.currentPosition, Reddit.lastposition.get(Reddit.currentPosition) + 1);
}
} catch (IndexOutOfBoundsException e) {
fixSliding(Reddit.currentPosition);
}
}
private void hideMessage(int duration, boolean thenUpdate) {
if (duration > 0) {
Animator anim = ObjectAnimator.ofFloat(this, "alpha", 0f);
anim.setDuration(duration);
if (thenUpdate) {
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
update();
}
});
}
anim.start();
} else {
setAlpha(0f);
if (thenUpdate) {
update();
}
}
}
private Animator createShowItemAnimator(View item) {
float dx = centerItem.getX() - item.getX();
float dy = centerItem.getY() - item.getY();
item.setScaleX(0f);
item.setScaleY(0f);
item.setTranslationX(dx);
item.setTranslationY(dy);
Animator anim =
ObjectAnimator.ofPropertyValuesHolder(
item,
AnimatorUtils.scaleX(0f, 1f),
AnimatorUtils.scaleY(0f, 1f),
AnimatorUtils.translationX(dx, 0f),
AnimatorUtils.translationY(dy, 0f));
anim.setInterpolator(new DecelerateInterpolator());
anim.setDuration(50);
return anim;
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static void revealHide(
final Context context,
int finalRadius,
final View view,
@ColorRes final int colorRes,
@NonNull final OnRevealAnimationListener onRevealAnimationListener) {
// previously invisible view
// get the center for the clipping circle
int cx = (view.getLeft() + view.getRight()) / 2;
int cy = (view.getTop() + view.getBottom()) / 2;
// get the final radius for the clipping circle
int startRadius = Math.max(view.getWidth(), view.getHeight());
// create the animator for this view (the start radius is zero)
Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy, startRadius, finalRadius);
anim.setDuration(500);
anim.setInterpolator(new AccelerateDecelerateInterpolator());
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
onRevealAnimationListener.onAnimationStart();
view.setBackgroundColor(ContextCompat.getColor(context, colorRes));
}
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
// make the view visible and start the animation
view.setVisibility(View.INVISIBLE);
onRevealAnimationListener.onAnimationEnd();
}
});
anim.start();
}
@SuppressLint("NewApi")
private void createReveal(final View myView) {
// get the center for the clipping circle
int cx = (myView.getWidth()) / 2;
int cy = (myView.getHeight()) / 2;
// get the final radius for the clipping circle
int finalRadius = Math.max(myView.getWidth(), myView.getHeight());
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
Animator animator =
android.view.ViewAnimationUtils.createCircularReveal(myView, cx, cy, 0, finalRadius);
animator.setDuration(800);
animator.start();
} else {
SupportAnimator animator =
ViewAnimationUtils.createCircularReveal(myView, cx, cy, 0, finalRadius);
animator.setInterpolator(new AccelerateDecelerateInterpolator());
animator.setDuration(800);
animator.start();
}
}