android——ObjectAnimator动画(一)

时间：2021-08-12 13:34:49

直接贴上集中用法

package com.example.test;

import com.example.test.views.CircleView;

import android.animation.Animator;

import android.animation.AnimatorSet;

import android.animation.Keyframe;

import android.animation.ObjectAnimator;

import android.animation.PropertyValuesHolder;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

public class CircleViewActivity extends Activity {

    private com.example.test.views.CircleView cv ;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_circleview);

        move();

    }

    public void move(){

        cv = (CircleView)findViewById(R.id.cv);

//        ObjectAnimator.ofFloat(cv, "translationX", 0F,200F).setDuration(1000).start();

//        ObjectAnimator.ofFloat(cv, "translationY", 0F,200F).setDuration(1000).start();

//        ObjectAnimator.ofFloat(cv, "rotation", 0F,360F).setDuration(1000).start();

//        PropertyValuesHolder holder = PropertyValuesHolder.ofFloat("rotation", 0F,360F);

//        PropertyValuesHolder holder1 = PropertyValuesHolder.ofFloat("translationY", 0F,200F);

//        PropertyValuesHolder holder2 = PropertyValuesHolder.ofFloat("translationX", 0F,200F);

//        ObjectAnimator.ofPropertyValuesHolder(cv, holder,holder1,holder2).setDuration(1000).start();

//        ObjectAnimator a1 =ObjectAnimator.ofFloat(cv, "translationX", 0F,200F);

//        ObjectAnimator a2 =ObjectAnimator.ofFloat(cv, "translationY", 0F,200F);

//        ObjectAnimator a3 =ObjectAnimator.ofFloat(cv, "rotation", 0F,360F);

//        AnimatorSet set = new AnimatorSet();

////        set.playSequentially(a1,a2,a3);

////        set.playTogether(a1,a2,a3);  //展示方式不能一起使用。

//        set.play(a2).before(a1);  //顺序控制

//        set.play(a2).before(a3);

//        set.setDuration(1000);

//        set.start();

        Keyframe kf0 = Keyframe.ofFloat(0f, 0f);

        Keyframe kf1 = Keyframe.ofFloat(.5f, 360f);

        Keyframe kf2 = Keyframe.ofFloat(.2f, 720f);

        PropertyValuesHolder pvhRotation = PropertyValuesHolder.ofKeyframe("rotation", kf0, kf1, kf2);

        ObjectAnimator rotationAnim = ObjectAnimator.ofPropertyValuesHolder(cv, pvhRotation);

        rotationAnim.setDuration(5000);

        rotationAnim.start();

//        ObjectAnimator.ofArgb(cv, ACCESSIBILITY_SERVICE, 244).setDuration(1000).start();

    }

}

相关文章