Android动画框架, 属性动画

男娘i 2022-06-10 00:13 353阅读 0赞

Demo:

package com.example.administrator.youku_animi;
    
    import android.animation.Animator;
    import android.animation.AnimatorInflater;
    import android.animation.AnimatorSet;
    import android.animation.ObjectAnimator;
    import android.animation.PropertyValuesHolder;
    import android.animation.ValueAnimator;
    import android.app.Activity;
    import android.os.Bundle;
    import android.renderscript.Sampler;
    import android.view.View;
    import android.view.ViewGroup;
    import android.view.animation.AlphaAnimation;
    import android.view.animation.Animation;
    import android.view.animation.AnimationSet;
    import android.view.animation.DecelerateInterpolator;
    import android.view.animation.LayoutAnimationController;
    import android.view.animation.RotateAnimation;
    import android.view.animation.ScaleAnimation;
    import android.view.animation.TranslateAnimation;
    import android.widget.Button;
    import android.widget.LinearLayout;
    
    import java.security.acl.Group;
    
    /** * Created by Administrator on 2017/8/4 0004. */
    
    public class AnimationTest extends Activity
    {
        private AnimationSet mAnimationSet;
        private Button button, button2, button3;
        //private ViewGroup mViewGrop;
        //属性动画
        ObjectAnimator objectAnimator, objectAnimator2, objectAnimator3, objectAnimator4;
        PropertyValuesHolder ph1, ph2, ph3;
        AnimationSet as;
        AnimatorSet objectAnimationSet;
        LinearLayout viewGroup;
        LayoutAnimationController lac;
        Button btn;
    
        @Override
        protected void onCreate(Bundle savedInstanceState)
        {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_animation_test);
    
            viewGroup = (LinearLayout) findViewById(R.id.group);
    
            button = (Button) findViewById(R.id.btn);
    //        button2 = (Button) findViewById(R.id.btn2);
    //        button3 = (Button) findViewById(R.id.btn3);
    
    
            // mViewGrop = (ViewGroup) findViewById(R.id.group);
            //布局动画
            ScaleAnimation sa = new ScaleAnimation(0, 1, 0, 1);
            sa.setDuration(2000);
            lac = new LayoutAnimationController(sa, 0.5f);
            lac.setOrder(LayoutAnimationController.ORDER_NORMAL);
            viewGroup.setLayoutAnimation(lac);
    
            //动画集合
            as = new AnimationSet(true);
    
    
            objectAnimationSet = new AnimatorSet();
    
            //属性动画
            objectAnimator = ObjectAnimator.ofFloat(button, "translationY", 0, 600, 3, 300, 800);
            objectAnimator.setDuration(6000);
            objectAnimator.setRepeatCount(-1);
            objectAnimator.setInterpolator(new DecelerateInterpolator());
            objectAnimator.setRepeatMode(ValueAnimator.REVERSE);
    
            objectAnimator2 = ObjectAnimator.ofFloat(button, "translationX", 0, 300);
            objectAnimator2.setDuration(6000);
            objectAnimator2.setRepeatCount(-1);
            objectAnimator2.setInterpolator(new DecelerateInterpolator());
            objectAnimator2.setRepeatMode(ValueAnimator.REVERSE);
    
            objectAnimator3 = ObjectAnimator.ofFloat(button, "alpha", 0.1f, 0.6f, 0.3f, 0.9f);
            objectAnimator3.setDuration(6000);
            objectAnimator3.setRepeatCount(-1);
            objectAnimator3.setInterpolator(new DecelerateInterpolator());
            objectAnimator3.setRepeatMode(ValueAnimator.REVERSE);
    
            objectAnimator4 = ObjectAnimator.ofFloat(button, "scaleX", 3);
            objectAnimator4.setDuration(3000);
            as.setDuration(2000);
    
            //PropertyValues
            ph1 = PropertyValuesHolder.ofFloat("translationX", 300f);
            ph2 = PropertyValuesHolder.ofFloat("scaleX", 1f, 0.2f, 1f);
            ph3 = PropertyValuesHolder.ofFloat("scaleY", 1f, 0.2f, 1f);
    
            //透明度动画
            AlphaAnimation aa = new AlphaAnimation(0.1f, 0.4f);
            aa.setDuration(4000);
            as.addAnimation(aa);
    
            //位移动画
            TranslateAnimation ta = new TranslateAnimation(0, 100, 0, 200);
            ta.setDuration(4000);
            as.addAnimation(ta);
    
            //旋转动画
            RotateAnimation ra = new RotateAnimation(0, 360, 100, 100);
            ra.setDuration(5000);
            as.addAnimation(ra);
    
            objectAnimationSet.playTogether(objectAnimator, objectAnimator2, objectAnimator3,
                    objectAnimator4);
    
    
            button.setOnClickListener(new View.OnClickListener()
            {
                @Override
                public void onClick(View v)
                {
    //                button.startAnimation(as);
    //                objectAnimationSet.start();
    //                ObjectAnimator.ofPropertyValuesHolder(button, ph1, ph2, ph3).setDuration(2000)
    // .start();
    //                scaleX(button);
    //                添加按钮
    
    
                }
            });
    
        }
    
        private void scaleX(View view)
        {
    
            Animator anim = AnimatorInflater.loadAnimator(this, R.animator.anim);
            anim.setTarget(button);
            anim.start();
        }
    }

xml

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/group" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical">
        
        <Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/app_name" />
    
        <Button android:id="@+id/btn2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="startAnimation" />
    
        <Button android:id="@+id/btn3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="endAnimation" />
    
    
    </LinearLayout>