private void peak(boolean next, boolean once) {
final float baseFlipDistance = mCurrentPageIndex * FLIP_DISTANCE_PER_PAGE;
if (next) {
mPeakAnim =
ValueAnimator.ofFloat(baseFlipDistance, baseFlipDistance + FLIP_DISTANCE_PER_PAGE / 4);
} else {
mPeakAnim =
ValueAnimator.ofFloat(baseFlipDistance, baseFlipDistance - FLIP_DISTANCE_PER_PAGE / 4);
}
mPeakAnim.setInterpolator(mPeakInterpolator);
mPeakAnim.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
setFlipDistance((Float) animation.getAnimatedValue());
}
});
mPeakAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
endPeak();
}
});
mPeakAnim.setDuration(PEAK_ANIM_DURATION);
mPeakAnim.setRepeatMode(ValueAnimator.REVERSE);
mPeakAnim.setRepeatCount(once ? 1 : ValueAnimator.INFINITE);
mPeakAnim.start();
}
public MyAnimationView(Context context) {
super(context);
ValueAnimator colorAnim = ObjectAnimator.ofInt(this, "backgroundColor", RED, BLUE);
colorAnim.setDuration(3000);
colorAnim.setEvaluator(new ArgbEvaluator());
colorAnim.setRepeatCount(ValueAnimator.INFINITE);
colorAnim.setRepeatMode(ValueAnimator.REVERSE);
ObjectAnimator.setFrameDelay(0);
colorAnim.start();
}
public MyAnimationView(Context context) {
super(context);
// Animate background color
// Note that setting the background color will automatically invalidate the
// view, so that the animated color, and the bouncing balls, get redisplayed on
// every frame of the animation.
ValueAnimator colorAnim = ObjectAnimator.ofInt(this, "backgroundColor", RED, BLUE);
colorAnim.setDuration(3000);
colorAnim.setEvaluator(new ArgbEvaluator());
colorAnim.setRepeatCount(ValueAnimator.INFINITE);
colorAnim.setRepeatMode(ValueAnimator.REVERSE);
colorAnim.start();
}
private void initIfNecessary(TextPaint tp) {
if (jumpAnimator != null) {
return;
}
shift = (int) tp.ascent() / 2;
jumpAnimator = ValueAnimator.ofInt(0, shift, 0);
jumpAnimator.setDuration(loopDuration).setStartDelay(delay);
jumpAnimator.setInterpolator(new JumpInterpolator(animatedRange));
jumpAnimator.setRepeatCount(ValueAnimator.INFINITE);
jumpAnimator.setRepeatMode(ValueAnimator.RESTART);
jumpAnimator.addUpdateListener(this);
jumpAnimator.start();
}
private void PlayAnimator() {
if (i < text.length()) {
mPath.moveTo(0, 0); // 起点
mPath.quadTo(
(mTextSize * i) / 2, 0, mTextSize * i, mTextSize + DensityUtil.px2dip(mContext, 300));
mPathMeasure = new PathMeasure(mPath, false);
animator = ValueAnimator.ofFloat(0, mPathMeasure.getLength());
animator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
float value = (Float) animation.getAnimatedValue();
mPathMeasure.getPosTan(value, mCurrentPosition, null);
postInvalidate();
}
});
mPath.close();
animator.setDuration(1500);
animator.setRepeatMode(ValueAnimator.RESTART);
animator.setInterpolator(new LinearInterpolator());
animator.start();
animator.addListener(
new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animator) {}
@Override
public void onAnimationEnd(Animator animator) {
// 每一个动画执行完成后记录最后一个坐标点
Point point = new Point();
point.x = (int) mCurrentPosition[0];
point.y = (int) mCurrentPosition[1];
endloc.put(i, point);
i++;
if (i >= text.length()) { // 当i大于7的时候置为零方便下次循环
i = 0;
endloc.clear(); // 清空集合，从新来过
}
mPath.reset();
PlayAnimator();
}
@Override
public void onAnimationCancel(Animator animator) {}
@Override
public void onAnimationRepeat(Animator animator) {}
});
}
}
private void initIfNecessary(float ascent) {
if (jumpAnimator != null) {
return;
}
this.shift = 0;
int maxShift = (int) ascent / 2;
jumpAnimator = ValueAnimator.ofInt(0, maxShift);
jumpAnimator.setDuration(loopDuration).setStartDelay(delay);
jumpAnimator.setInterpolator(new JumpInterpolator(animatedRange));
jumpAnimator.setRepeatCount(ValueAnimator.INFINITE);
jumpAnimator.setRepeatMode(ValueAnimator.RESTART);
jumpAnimator.addUpdateListener(this);
jumpAnimator.start();
}
private static void animateFlashText(
final TextView[] textViews, int color1, int color2, boolean staySecondColor) {
ValueAnimator anim = ValueAnimator.ofObject(new ArgbEvaluator(), color1, color2);
anim.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animator) {
for (TextView textView : textViews) {
textView.setTextColor((Integer) animator.getAnimatedValue());
}
}
});
anim.setRepeatMode(ValueAnimator.REVERSE);
anim.setRepeatCount(staySecondColor ? 4 : 5);
anim.setDuration(180);
anim.setInterpolator(new AccelerateInterpolator());
anim.start();
}
private ValueAnimator startViewAnim(float startF, final float endF, long time) {
valueAnimator = ValueAnimator.ofFloat(startF, endF);
valueAnimator.setDuration(time);
valueAnimator.setInterpolator(new LinearInterpolator());
valueAnimator.setRepeatCount(ValueAnimator.INFINITE); // 无限循环
valueAnimator.setRepeatMode(ValueAnimator.RESTART);
valueAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
mAnimatedValue = (float) valueAnimator.getAnimatedValue();
invalidate();
}
});
valueAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
}
@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
}
@Override
public void onAnimationRepeat(Animator animation) {
super.onAnimationRepeat(animation);
}
});
if (!valueAnimator.isRunning()) {
valueAnimator.start();
}
return valueAnimator;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() != MotionEvent.ACTION_DOWN
&& event.getAction() != MotionEvent.ACTION_MOVE) {
return false;
}
ShapeHolder newBall = addBall(event.getX(), event.getY());
// Bouncing animation with squash and stretch
float startY = newBall.getY();
float endY = getHeight() - 50f;
float h = (float) getHeight();
float eventY = event.getY();
int duration = (int) (500 * ((h - eventY) / h));
ValueAnimator bounceAnim = ObjectAnimator.ofFloat(newBall, "y", startY, endY);
bounceAnim.setDuration(duration);
bounceAnim.setInterpolator(new AccelerateInterpolator());
ValueAnimator squashAnim1 =
ObjectAnimator.ofFloat(newBall, "x", newBall.getX(), newBall.getX() - 25f);
squashAnim1.setDuration(duration / 4);
squashAnim1.setRepeatCount(1);
squashAnim1.setRepeatMode(ValueAnimator.REVERSE);
squashAnim1.setInterpolator(new DecelerateInterpolator());
ValueAnimator squashAnim2 =
ObjectAnimator.ofFloat(newBall, "width", newBall.getWidth(), newBall.getWidth() + 50);
squashAnim2.setDuration(duration / 4);
squashAnim2.setRepeatCount(1);
squashAnim2.setRepeatMode(ValueAnimator.REVERSE);
squashAnim2.setInterpolator(new DecelerateInterpolator());
ValueAnimator stretchAnim1 = ObjectAnimator.ofFloat(newBall, "y", endY, endY + 25f);
stretchAnim1.setDuration(duration / 4);
stretchAnim1.setRepeatCount(1);
stretchAnim1.setInterpolator(new DecelerateInterpolator());
stretchAnim1.setRepeatMode(ValueAnimator.REVERSE);
ValueAnimator stretchAnim2 =
ObjectAnimator.ofFloat(newBall, "height", newBall.getHeight(), newBall.getHeight() - 25);
stretchAnim2.setDuration(duration / 4);
stretchAnim2.setRepeatCount(1);
stretchAnim2.setInterpolator(new DecelerateInterpolator());
stretchAnim2.setRepeatMode(ValueAnimator.REVERSE);
ValueAnimator bounceBackAnim = ObjectAnimator.ofFloat(newBall, "y", endY, startY);
bounceBackAnim.setDuration(duration);
bounceBackAnim.setInterpolator(new DecelerateInterpolator());
// Sequence the down/squash&stretch/up animations
AnimatorSet bouncer = new AnimatorSet();
bouncer.play(bounceAnim).before(squashAnim1);
bouncer.play(squashAnim1).with(squashAnim2);
bouncer.play(squashAnim1).with(stretchAnim1);
bouncer.play(squashAnim1).with(stretchAnim2);
bouncer.play(bounceBackAnim).after(stretchAnim2);
// Fading animation - remove the ball when the animation is done
ValueAnimator fadeAnim = ObjectAnimator.ofFloat(newBall, "alpha", 1f, 0f);
fadeAnim.setDuration(250);
fadeAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
balls.remove(((ObjectAnimator) animation).getTarget());
}
});
// Sequence the two animations to play one after the other
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(bouncer).before(fadeAnim);
// Start the animation
animatorSet.start();
return true;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() != MotionEvent.ACTION_DOWN
&& event.getAction() != MotionEvent.ACTION_MOVE) {
return false;
}
ShapeHolder newBall = ShapeHolder.createBall(event.getX(), event.getY());
balls.add(newBall);
// 수정 시작해야 하는 부분
// 공이 늘어났다 찌그러드는 애니메이션 효과
float startY = newBall.getY();
float endY = getHeight() - 50f;
float h = (float) getHeight();
float eventY = event.getY();
int duration = (int) (500 * ((h - eventY) / h));
ValueAnimator bounceAnim = ObjectAnimator.ofFloat(newBall, "y", startY, endY);
bounceAnim.setDuration(duration);
bounceAnim.setInterpolator(new AccelerateInterpolator());
ValueAnimator squashAnim1 =
ObjectAnimator.ofFloat(newBall, "x", newBall.getX(), newBall.getX() - 25f);
squashAnim1.setDuration(duration / 4);
squashAnim1.setRepeatCount(1);
squashAnim1.setRepeatMode(ValueAnimator.REVERSE);
squashAnim1.setInterpolator(new DecelerateInterpolator());
ValueAnimator squashAnim2 =
ObjectAnimator.ofFloat(newBall, "width", newBall.getWidth(), newBall.getWidth() + 50);
squashAnim2.setDuration(duration / 4);
squashAnim2.setRepeatCount(1);
squashAnim2.setRepeatMode(ValueAnimator.REVERSE);
squashAnim2.setInterpolator(new DecelerateInterpolator());
ValueAnimator stretchAnim1 = ObjectAnimator.ofFloat(newBall, "y", endY, endY + 25f);
stretchAnim1.setDuration(duration / 4);
stretchAnim1.setRepeatCount(1);
stretchAnim1.setInterpolator(new DecelerateInterpolator());
stretchAnim1.setRepeatMode(ValueAnimator.REVERSE);
ValueAnimator stretchAnim2 =
ObjectAnimator.ofFloat(newBall, "height", newBall.getHeight(), newBall.getHeight() - 25);
stretchAnim2.setDuration(duration / 4);
stretchAnim2.setRepeatCount(1);
stretchAnim2.setInterpolator(new DecelerateInterpolator());
stretchAnim2.setRepeatMode(ValueAnimator.REVERSE);
startY = endY - (endY - startY) / 2;
ValueAnimator bounceBackAnim = ObjectAnimator.ofFloat(newBall, "y", endY, startY);
bounceBackAnim.setDuration(duration);
bounceBackAnim.setInterpolator(new DecelerateInterpolator());
ValueAnimator bounceAnim2 = ObjectAnimator.ofFloat(newBall, "y", startY, endY);
bounceAnim2.setDuration(duration);
bounceAnim2.setInterpolator(new AccelerateInterpolator());
ValueAnimator squashAnim21 =
ObjectAnimator.ofFloat(newBall, "x", newBall.getX(), newBall.getX() - 25f);
squashAnim21.setDuration(duration / 4);
squashAnim21.setRepeatCount(1);
squashAnim21.setRepeatMode(ValueAnimator.REVERSE);
squashAnim21.setInterpolator(new DecelerateInterpolator());
ValueAnimator squashAnim22 =
ObjectAnimator.ofFloat(newBall, "width", newBall.getWidth(), newBall.getWidth() + 50);
squashAnim22.setDuration(duration / 4);
squashAnim22.setRepeatCount(1);
squashAnim22.setRepeatMode(ValueAnimator.REVERSE);
squashAnim22.setInterpolator(new DecelerateInterpolator());
ValueAnimator stretchAnim21 = ObjectAnimator.ofFloat(newBall, "y", endY, endY + 25f);
stretchAnim21.setDuration(duration / 4);
stretchAnim21.setRepeatCount(1);
stretchAnim21.setInterpolator(new DecelerateInterpolator());
stretchAnim21.setRepeatMode(ValueAnimator.REVERSE);
ValueAnimator stretchAnim22 =
ObjectAnimator.ofFloat(newBall, "height", newBall.getHeight(), newBall.getHeight() - 25);
stretchAnim22.setDuration(duration / 4);
stretchAnim22.setRepeatCount(1);
stretchAnim22.setInterpolator(new DecelerateInterpolator());
stretchAnim22.setRepeatMode(ValueAnimator.REVERSE);
startY = endY - (endY - startY) / 2;
ValueAnimator bounceBackAnim2 = ObjectAnimator.ofFloat(newBall, "y", endY, startY);
bounceBackAnim2.setDuration(duration);
bounceBackAnim2.setInterpolator(new DecelerateInterpolator());
AnimatorSet bouncer = new AnimatorSet();
bouncer.play(bounceAnim).before(squashAnim1);
bouncer.play(squashAnim1).with(squashAnim2);
bouncer.play(squashAnim1).with(stretchAnim1);
bouncer.play(squashAnim1).with(stretchAnim2);
bouncer.play(bounceBackAnim).after(stretchAnim2);
bouncer.play(bounceAnim2).after(bounceBackAnim);
bouncer.play(bounceAnim2).before(squashAnim21);
bouncer.play(squashAnim21).with(squashAnim22);
bouncer.play(squashAnim21).with(stretchAnim21);
bouncer.play(squashAnim21).with(stretchAnim22);
bouncer.play(bounceBackAnim2).after(stretchAnim22);
// 수정 끝나는 부분
// 페이딩 애니메이션
ValueAnimator fadeAnim = ObjectAnimator.ofFloat(newBall, "alpha", 1f, 0f);
fadeAnim.setDuration(250);
fadeAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
balls.remove(((ObjectAnimator) animation).getTarget());
}
});
// 애니메이션 셋의 애니메이션 셋
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(bouncer).before(fadeAnim);
animatorSet.start();
return true;
}
