<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@+id/switch_anim_root"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content">

 <FrameLayout
  android:layout_width="wrap_content"
  android:layout_height="wrap_content">

  <ImageView
   android:layout_width="42dp"
   android:layout_height="25dp"
   android:background="@drawable/switch_container" />

  <ImageView
   android:id="@+id/switch_anim_circle_point"
   android:layout_width="20dp"
   android:layout_height="20dp"
   android:layout_marginLeft="2.5dp"
   android:layout_marginTop="2.5dp"
   android:background="@drawable/switch_off_circle_point" />
 </FrameLayout>

 <ImageView
  android:id="@+id/finger_switch"
  android:layout_width="34dp"
  android:layout_height="41dp"
  android:layout_marginLeft="5dp"
  android:layout_marginTop="25dp"
  android:background="@drawable/finger_normal" />
</merge>

package com.androidanimation.animationview;

import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.FrameLayout;
import android.widget.ImageView;

import com.androidanimation.R;
import com.androidanimation.animations.BaseAnimatorListener;
import com.androidanimation.utils.ViewUtil;
import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.ObjectAnimator;
import com.nineoldandroids.view.ViewHelper;

/**
 * Created by popfisher on 2016/9/3.
 */

public class SwitchOnAnimView extends FrameLayout {

 private Handler mHandler = new Handler();
 /** 開關(guān)中間的圓圈View */
 private ImageView mCirclePtImgv;
 /** 手指View */
 private ImageView mFingerImgv;
 /** 手指移動的距離 */
 private float mFingerMoveDistance;
 /** 開關(guān)中間的圓圈View需要移動的距離 */
 private float mCirclePtMoveDistance;
 private static final int FINGER_ANIM_DURATION = 300;
 private static final int CIRCLE_PT_ANIM_DURATION = 500;

 private boolean isStopAnim = false;

 public SwitchOnAnimView(Context context) {
  this(context, null);
 }

 public SwitchOnAnimView(Context context, AttributeSet attrs) {
  super(context, attrs);
  // 加載布局
  LayoutInflater.from(context).inflate(R.layout.finger_switch_on_guide_layout, this, true);
  initView();
 }

 private void initView() {
  mCirclePtImgv = (ImageView) findViewById(R.id.switch_anim_circle_point);
  mFingerImgv = (ImageView) findViewById(R.id.finger_switch);

  // 下面兩個(gè)距離要根據(jù)UI布局來確定
  mFingerMoveDistance = ViewUtil.dp2px(getContext(), 20f);
  mCirclePtMoveDistance = ViewUtil.dp2px(getContext(), 17.5f);
 }

 /**
  * 啟動動畫
  */
 public void startAnim() {
  isStopAnim = false;
  // 啟動動畫之前先恢復(fù)初始狀態(tài)
  ViewHelper.setTranslationX(mCirclePtImgv, 0);
  mCirclePtImgv.setBackgroundResource(R.drawable.switch_off_circle_point);
  mFingerImgv.setBackgroundResource(R.drawable.finger_normal);
  startFingerUpAnim();
 }

 /**
  * 停止動畫
  */
 public void stopAnim() {
  isStopAnim = true;
 }

 /**
  * 中間的圈點(diǎn)View平移動畫
  */
 private void startCirclePointAnim() {
  if (mCirclePtImgv == null) {
   return;
  }
  ObjectAnimator circlePtAnim = ObjectAnimator.ofFloat(mCirclePtImgv, "translationX", 0, mCirclePtMoveDistance);
  circlePtAnim.setDuration(CIRCLE_PT_ANIM_DURATION);
  circlePtAnim.start();
 }

 /**
  * 手指向上移動動畫
  */
 private void startFingerUpAnim() {
  ObjectAnimator fingerUpAnim = ObjectAnimator.ofFloat(mFingerImgv, "translationY", 0, -mFingerMoveDistance);
  fingerUpAnim.setDuration(FINGER_ANIM_DURATION);
  fingerUpAnim.addListener(new BaseAnimatorListener() {
   @Override
   public void onAnimationEnd(Animator animator) {
    if (mFingerImgv == null || mHandler == null) {
     return;
    }
    // 手指向上動畫執(zhí)行完成就設(shè)置手指View背景為點(diǎn)擊狀態(tài)的背景
    mFingerImgv.setBackgroundResource(R.drawable.finger_click);
    // 點(diǎn)擊之后為了提現(xiàn)停頓一下的感覺，延遲200毫秒執(zhí)行其他動畫
    mHandler.postDelayed(new Runnable() {
     @Override
     public void run() {
      if (mCirclePtImgv == null || mHandler == null) {
       return;
      }
      // 將中間圓圈View背景設(shè)置為開關(guān)打開狀態(tài)然后開始向右平移
      mCirclePtImgv.setBackgroundResource(R.drawable.switch_on_circle_point);
      startCirclePointAnim();
      // 延遲100毫秒啟動手指向下平移動畫
      mHandler.postDelayed(new Runnable() {
       @Override
       public void run() {
        // 手指向下移動開始時(shí)設(shè)置手指背景為正常的狀態(tài)
        if (mFingerImgv != null) {
         mFingerImgv.setBackgroundResource(R.drawable.finger_normal);
        }
        startFingerDownAnim();
       }
      }, 100);
     }
    }, 200);
   }
  });
  fingerUpAnim.start();
 }

 /**
  * 手指向下移動動畫
  */
 private void startFingerDownAnim() {
  if (mFingerImgv == null) {
   return;
  }
  ObjectAnimator fingerDownAnim = ObjectAnimator.ofFloat(mFingerImgv, "translationY", -mFingerMoveDistance, 0);
  fingerDownAnim.setDuration(FINGER_ANIM_DURATION);
  fingerDownAnim.addListener(new BaseAnimatorListener() {
   @Override
   public void onAnimationEnd(Animator animator) {
    // 手指向下移動動畫完成，整個(gè)動畫流程結(jié)束，重新開始下一次流程，循環(huán)執(zhí)行動畫，間隔1秒
    mHandler.postDelayed(new Runnable() {
     @Override
     public void run() {
      if (isStopAnim) {
       return;
      }
      startAnim();
     }
    }, 1000);
   }
  });
  fingerDownAnim.start();
 }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@+id/activity_animation_main"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:gravity="center"
 android:orientation="vertical">
 <com.androidanimation.animationview.SwitchOnAnimView
  android:id="@+id/switch_on_anim_view"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"/>

</LinearLayout>

package com.androidanimation;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;

import com.androidanimation.animationview.SwitchOnAnimView;

public class FingerSwitchOnAnimActivity extends Activity {

 private Handler mHandler = new Handler();
 private SwitchOnAnimView mSwitchOnAnimView;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_finger_switchon_anim);
  mSwitchOnAnimView = (SwitchOnAnimView) findViewById(R.id.switch_on_anim_view);
　　　　
 　　　　 mHandler.postDelayed(new Runnable() {
   @Override
   public void run() {
    mSwitchOnAnimView.startAnim();
   }
  }, 500);
} }