scale Show - Android Animation

Android examples for Animation:Scale Animation

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  4. Scale Animation

Description

scale Show

Demo Code


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

import android.animation.AnimatorSet;

import android.animation.ObjectAnimator;

import android.view.View;

public class Main {
    public static final int DURATION_SHORT = 300;

    public static void scaleShow(final View view) {
        scaleShow(view, null);/*from   w  ww  . j  a va 2 s.  co  m*/
    }

    public static void scaleShow(final View view, final Runnable rWhenEnd) {
        if (view.getVisibility() == View.VISIBLE) {
            view.setVisibility(View.VISIBLE);
            if (rWhenEnd != null) {
                rWhenEnd.run();
            }
            return;
        }
        if (view.getWindowToken() == null) {
            view.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
                @Override
                public void onViewAttachedToWindow(View v) {
                    scaleShow(view);
                }

                @Override
                public void onViewDetachedFromWindow(View v) {

                }
            });
        }
        ObjectAnimator scaleX = ObjectAnimator.ofFloat(view, "scaleX", 0f,
                1f);
        ObjectAnimator scaleY = ObjectAnimator.ofFloat(view, "scaleY", 0f,
                1f);
        AnimatorSet set = new AnimatorSet();
        set.playTogether(scaleX, scaleY);
        set.setDuration(DURATION_SHORT);
        set.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animation) {

            }

            @Override
            public void onAnimationEnd(Animator animation) {
                view.setVisibility(View.VISIBLE);
                if (rWhenEnd != null) {
                    rWhenEnd.run();
                }
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                view.setVisibility(View.VISIBLE);
                if (rWhenEnd != null) {
                    rWhenEnd.run();
                }
            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });
        set.start();
    }
}

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