of Float to create ValueAnimator - Android android.animation

Android examples for android.animation:ValueAnimator

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  4. ValueAnimator

Description

of Float to create ValueAnimator

Demo Code


//package com.java2s;
import android.animation.Animator;

import android.animation.ObjectAnimator;

import android.animation.ValueAnimator;
import java.util.HashSet;

public class Main {
    private static HashSet<Animator> sAnimators = new HashSet<Animator>();
    static Animator.AnimatorListener sEndAnimListener = new Animator.AnimatorListener() {
        public void onAnimationStart(Animator animation) {
        }//from   w  ww .  jav a2 s  .  c o  m

        public void onAnimationRepeat(Animator animation) {
        }

        public void onAnimationEnd(Animator animation) {
            sAnimators.remove(animation);
        }

        public void onAnimationCancel(Animator animation) {
            sAnimators.remove(animation);
        }
    };

    public static ValueAnimator ofFloat(float... values) {
        ValueAnimator anim = new ValueAnimator();
        anim.setFloatValues(values);
        cancelOnDestroyActivity(anim);
        return anim;
    }

    public static ObjectAnimator ofFloat(Object target,
            String propertyName, float... values) {
        ObjectAnimator anim = new ObjectAnimator();
        anim.setTarget(target);
        anim.setPropertyName(propertyName);
        anim.setFloatValues(values);
        cancelOnDestroyActivity(anim);
        return anim;
    }

    public static void cancelOnDestroyActivity(Animator a) {
        sAnimators.add(a);
        a.addListener(sEndAnimListener);
    }
}

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