Create Animation with PropertyValuesHolder - Android Animation

Android examples for Animation:Animation Creation

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Description

Create Animation with PropertyValuesHolder

Demo Code


//package com.java2s;
import android.animation.Keyframe;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.view.View;

public class Main {
    public static ObjectAnimator tada(View view) {
        return tada(view, 4f);
    }//from   w  w  w . j av  a2  s  .  c o  m

    public static ObjectAnimator doAnimate(View view, float shakeFactor) {

        PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofKeyframe(
                "scaleX", Keyframe.ofFloat(0f, 1f),
                Keyframe.ofFloat(.1f, .9f), Keyframe.ofFloat(.2f, .9f),
                Keyframe.ofFloat(.3f, 1.1f), Keyframe.ofFloat(.4f, 1.1f),
                Keyframe.ofFloat(.5f, 1.1f), Keyframe.ofFloat(.6f, 1.1f),
                Keyframe.ofFloat(.7f, 1.1f), Keyframe.ofFloat(.8f, 1.1f),
                Keyframe.ofFloat(.9f, 1.1f), Keyframe.ofFloat(1f, 1f));

        PropertyValuesHolder pvhScaleY = PropertyValuesHolder.ofKeyframe(
                "scaleY", Keyframe.ofFloat(0f, 1f),
                Keyframe.ofFloat(.1f, .9f), Keyframe.ofFloat(.2f, .9f),
                Keyframe.ofFloat(.3f, 1.1f), Keyframe.ofFloat(.4f, 1.1f),
                Keyframe.ofFloat(.5f, 1.1f), Keyframe.ofFloat(.6f, 1.1f),
                Keyframe.ofFloat(.7f, 1.1f), Keyframe.ofFloat(.8f, 1.1f),
                Keyframe.ofFloat(.9f, 1.1f), Keyframe.ofFloat(1f, 1f));

        PropertyValuesHolder pvhRotate = PropertyValuesHolder.ofKeyframe(
                "rotation", Keyframe.ofFloat(0f, 0f),
                Keyframe.ofFloat(.1f, -3f * shakeFactor),
                Keyframe.ofFloat(.2f, -3f * shakeFactor),
                Keyframe.ofFloat(.3f, 3f * shakeFactor),
                Keyframe.ofFloat(.4f, -3f * shakeFactor),
                Keyframe.ofFloat(.5f, 3f * shakeFactor),
                Keyframe.ofFloat(.6f, -3f * shakeFactor),
                Keyframe.ofFloat(.7f, 3f * shakeFactor),
                Keyframe.ofFloat(.8f, -3f * shakeFactor),
                Keyframe.ofFloat(.9f, 3f * shakeFactor),
                Keyframe.ofFloat(1f, 0));

        return ObjectAnimator.ofPropertyValuesHolder(view, pvhScaleX,
                pvhScaleY, pvhRotate).setDuration(1000);
    }
}

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