ValueAnimator.REVERSE create for REVERSE different behavior - android

I have simple animation that moves the object in Y axis. I want change the behavior for the REVERSE.
//My Code:
ImageView iv = ... //my view
ObjectAnimator oa = ObjectAnimator.ofFloat(iv, "y", 300);
oa.setDuration(100);
oa.setRepeatCount(1);
oa.setRepeatMode(ValueAnimator.REVERSE);
oa.start();

You cannot change the behavior of the reverse mode. Instead, you will need to create an AnimatorSet and play them sequentially.
ImageView iv = ... //my view
ObjectAnimator oa = ObjectAnimator.ofFloat(iv, "y", 300);
oa.setDuration(100);
ObjectAnimator oa2 = ObjectAnimator.ofFloat(/* code here */)
// Add any other code for oa2
AnimatorSet set = new AnimatorSet();
set.playSequentially(oa, oa2);
set.start()

Related

create ball fall animation on given path android

I want to create animation like this image
I create point to point animation and beizier path animation but I am not able to develop animation like this image.
Please help me out.
You can put 2 translate on the same object like this :
AnimationSet set = new AnimationSet(true);
set.addAnimation(translateX);
set.addAnimation(translateY);
image.startAnimation(set);
In your case it's like gravity. So i would suggest to use accelerate interpolator on the translateY animation and a linear Interpolator on translateX.
Here is the code :
TranslateAnimation animationX = new TranslateAnimation(fromX,toX,0,0);
animationX.setInterpolator(new LinearInterpolator());
TranslateAnimation animationY = new TranslateAnimation(0,0,fromY,toY);
animationX.setInterpolator(new AccelerateInterpolator());
AnimationSet set = new AnimationSet(true);
set.addAnimation(animationX);
set.addAnimation(animationY);
image.startAnimation(set);
Set the duration by using:
translationX.setDuration(duration);
Hope this helps.

I want to change image when its flipping Animation android

It is possible to make keep changing image until it set final image.
i want to change image while its flipping.
so it look smooth while flipping
private ImageView image;
private void images() {
int[] ps={R.drawable.img1,R.drawable.img2};
Random r = new Random();
int n=r.nextInt(2);
image.setImageResource(ps[n]);
ObjectAnimator animation = ObjectAnimator.ofFloat(coin, "rotationY", 0f, 360f);
animation.setDuration(500);
animation.setInterpolator(new AccelerateDecelerateInterpolator());
animation.start();
}
yes you can do this for that you should use Flip animation, you can find code for this from Here
create XML file in res/animator with help of above link
than in java file
ObjectAnimator anim = (ObjectAnimator)
AnimatorInflater.loadAnimator(mContext, R.animator.[FILE NAME]);
int[] ps={R.drawable.img1,R.drawable.img2};
Random r = new Random();
int n=r.nextInt(2);
image.setImageResource(ps[n]);
anim.setTarget(image);
anim.setDuration(500);
anim.start();

android animation move view to another view

I have two views in different layouts I want to move one to another. What's wrong with my code? Y animation plays wrong. First view is located in fragment's layout, second in status bar
...
int p1[] = new int[2];
int p2[] = new int[2];
viewOne.getLocationInWindow(p1);
viewTwo.getLocationInWindow(p2);
AnimatorSet animatorSet = new AnimatorSet();
animatorSet
.play(ObjectAnimator.ofFloat(expandedImageView, "X", p1[0], p2[0] - p1[0]))
.with(ObjectAnimator.ofFloat(expandedImageView, "Y", p1[1], p2[1] - p1[1]))
.with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale))
.with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale));
I have a another solution for you:(move viewOne to viewTwo)
TranslateAnimation animation = new TranslateAnimation(0, viewTwo.getX()-viewOne.getX(),0 , viewTwo.getY()-viewOne.getY());
animation.setRepeatMode(0);
animation.setDuration(3000);
animation.setFillAfter(true);
viewOne.startAnimation(animation);
Try this
private fun moveView(viewToBeMoved: View, targetView: View) {
val targetX: Float =
targetView.x + targetView.width / 2 - viewToBeMoved.width / 2
val targetY: Float =
targetView.y + targetView.height / 2 - viewToBeMoved.height / 2
viewToBeMoved.animate()
.x(targetX)
.y(targetY)
.setDuration(2000)
.withEndAction {
targetView.visibility = View.GONE
}
.start()
}

How do you animate a change in a view's padding?

I want to animate the change in the padding of a view. The resting place of the translation animation is the same as the padding I want to apply.
TranslateAnimation moveleft = new TranslateAnimation(Animation.ABSOLUTE, 0.0f,
Animation.ABSOLUTE, PADDING, Animation.ABSOLUTE,
0.0f, Animation.ABSOLUTE, 0.0f);
moveLeft.setDuration(500);
moveLeft.setFillAfter(true);
This starts the view's animation then sets the padding. This doesn't exactly work because it cause a graphical glitch.
v.startAnimation(moveleft);
v.setPadding(PADDING, 0, 0,0);
Use ValueAnimator, its really simple and unclutter
say,
we have to change right padding to _20dp where as left, top and bottom padding are _6dp, _6dp and 0 respectively.
ofInt() is varagrs type. the value we have to animate is pass in it as KeyValue pair (arg1 = current value, arg2 = target value,............)
Here we go,
ValueAnimator animator = ValueAnimator.ofInt(view.getPaddingRight(), _20dp);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
#Override
public void onAnimationUpdate(ValueAnimator valueAnimator){
view.setPadding(_6dp, _6dp, (Integer) valueAnimator.getAnimatedValue(), 0);
}
});
animator.setDuration(200);
animator.start();
Instead of setting your padding right away, why not try an animation listener to set the padding after the animation has completed?
v.setAnimationListener(new Animation.AnimationListener() {
...
#Override
public void onAnimationEnd(){
v.setPadding(PADDING, 0, 0,0);
}
...
});
v.startAnimation(moveleft);
Here is how to animate setPadding in Kotlin:
private fun setPaddingWithAnimation() {
val paddingDp: Int = 20
val density: Float = requireActivity().getResources().getDisplayMetrics().density
val paddingPixel: Int = (paddingDp * density).toInt()
val animator = ValueAnimator.ofInt(recyclerItems.paddingRight, paddingPixel)
animator.addUpdateListener { valueAnimator -> binding.recyclerHealthTips.recyclerHealthTips.setPadding(
paddingPixel, 0, valueAnimator.animatedValue as Int, 0) }
animator.duration = 500
animator.start()
}

Animation with animationSet() in android

OK here's the problem
i have an ImageView in my activity, here's what it looks in main.xml:
<ImageView
android:id="#+id/ic"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/icon"
android:layout_gravity="center_horizontal"/>
I want this image to move -200(left) and then to 100(right) and then back to 0 with bouncing effect.
I've implement this with my code:
as = new AnimationSet(true);
as.setFillEnabled(true);
as.setInterpolator(new BounceInterpolator());
TranslateAnimation ta = new TranslateAnimation(-300, 100, 0, 0);
ta.setDuration(2000);
as.addAnimation(ta);
AnimationSet sa = new AnimationSet(true);
sa.setFillEnabled(true);
sa.setInterpolator(new DecelerateInterpolator());
TranslateAnimation ta2 = new TranslateAnimation(100, 0, 0, 0);
ta2.setDuration(2000);
sa.addAnimation(ta2);
as.addAnimation(sa);
you can see at the code the X transition that i want (-300,100) then (100, 0)
however, the image doesn't move like it should, instead it just stop at 100 and then bouncing...
hmmm...., do you guys know what is wrong or what should i do to accomplish this?
If I'm not mistaking, you're shooting for a sequence of animations.
Interestingly, once you start an AnimationSet, all the animations added are ran simultaneously and not sequentially; therefore you need to setStartOffset(long offSet) for each animation that follows the first animation.
Maybe something like this will work...
as = new AnimationSet(true);
as.setFillEnabled(true);
as.setInterpolator(new BounceInterpolator());
TranslateAnimation ta = new TranslateAnimation(-300, 100, 0, 0);
ta.setDuration(2000);
as.addAnimation(ta);
TranslateAnimation ta2 = new TranslateAnimation(100, 0, 0, 0);
ta2.setDuration(2000);
ta2.setStartOffset(2000); // allowing 2000 milliseconds for ta to finish
as.addAnimation(ta2);
I suggest you to use ObjectAnimator. It is very easy to implement your case. Your animation may look like this:
ObjectAnimator animator1 = ObjectAnimator.ofFloat(targetView, "translationX", -200f);
animator1.setRepeatCount(0);
animator1.setDuration(1000);
ObjectAnimator animator2 = ObjectAnimator.ofFloat(targetView, "translationX", 100f);
animator2.setRepeatCount(0);
animator2.setDuration(1000);
ObjectAnimator animator3 = ObjectAnimator.ofFloat(targetView, "translationX", 0f);
animator3.setRepeatCount(0);
animator3.setDuration(1000);
//sequencial animation
AnimatorSet set = new AnimatorSet();
set.play(animator1).before(animator2);
set.play(animator2).before(animator3);
set.start();
If you are not familior with ObjectAnimator, you can check this android example tutorial:
Android View Animation Example
Something like this is very easy in 3.0 and above. Here are two links that I used to accomplish something similar.
http://android-developers.blogspot.com/2011/02/animation-in-honeycomb.html
http://developer.android.com/reference/android/animation/AnimatorSet.Builder.html

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