Create sway View ObjectAnimator - Android android.animation

Android examples for android.animation:ObjectAnimator

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  2. Android
  3. android.animation
  4. ObjectAnimator

Description

Create sway View ObjectAnimator

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 sway(View view) {
        return sway(view, 1f);
    }//from  w ww . j  a va2 s .co m

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

        PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofKeyframe(
                View.SCALE_X, 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(
                View.SCALE_Y, 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(
                View.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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