ObjectAnimator ValueAnimator AnimatorSet基础

Posted 2020-07-28 X-Bing

package com.xbing.com.viewdemo;

import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioButton;
import android.widget.TextView;

/**
 * Created by zhaobing on 2016/6/21.
 */
public class AnimatorActivity extends Activity {

    TextView mView;
    RadioButton mSelect;

    public int index = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.animator_activity);
        mView = (TextView) findViewById(R.id.tv_animator);
        mSelect = (RadioButton)findViewById(R.id.rb_select);

        findViewById(R.id.btn_move).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                ObjectAnimator animator = new ObjectAnimator();
                switch (index%7){
                    case 0:
　　　　　　　　　　　　　　//透明度渐变
                        animator = ObjectAnimator.ofFloat(mView,"alpha",1f,0f,1f);   
                        break;
                    case 1://横向平移
                        animator = ObjectAnimator.ofFloat(mView,"translationX",0,100,0);
                        break;
                    case 2://旋转
                        animator = ObjectAnimator.ofFloat(mView,"rotation",0,180,0);
                        break;
                    case 3://依Y轴旋转
                        animator = ObjectAnimator.ofFloat(mView,"rotationY",0,180,0);
                        break;
                    case 4://竖向平移
                        animator = ObjectAnimator.ofFloat(mView,"translationY",0,100,0);
                        break;
                    case 5://竖向缩放
                        animator = ObjectAnimator.ofFloat(mView,"scaleY",0,3,1);
                        break;
                    case 6://几个动画合并
                        animator = ObjectAnimator.ofFloat(mView,"alpha",1f,0f,1f);
                        ValueAnimator animator1 = ObjectAnimator.ofFloat(mView,"rotation",0,180,0);
                        ObjectAnimator animator2 = ObjectAnimator.ofFloat(mView,"scaleY",0,3,1);
                        ObjectAnimator animator3 = ObjectAnimator.ofFloat(mView,"scaleX",0,3,1);

　　　　　　　　　　　　　　//几个动画合并播放
                        AnimatorSet animSet = new AnimatorSet();
                        animSet.play(animator1).with(animator).with(animator2).with(animator3);
                        animSet.setDuration(2000);
                        animSet.start();
                        break;

                }
                if(index%7<6){
                    animator.setDuration(1000);
                    animator.start();
                }

                if(!mSelect.isChecked()){
                    index++;
                }


            }
        });
    }
}