Android编程实现仿易信精美弹出框效果【附demo源码下载】

/**
 * 仿易信动画弹出框
 */
public class MainActivity extends ActionBarActivity {
  //用于标记页面顶端位置
  private View topView;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    topView = findViewById(R.id.main_top);
  }
  private PopupWindow popupWindow;
  private int line1DeltaY, line2DeltaY;
  //仿易信更多弹出框
  private void showPopup() {
    if (popupWindow == null) {
      View cOntentView= LayoutInflater.from(this).inflate(R.layout.yixin_pop_layout, null);
      //点击空白区域关闭
      View blankView = contentView.findViewById(R.id.yixin_more_blank);
      View blankView2 = contentView.findViewById(R.id.yixin_more_blank2);
      initItems(contentView);
      //测量高度
      int line2Height = ViewUtils.getViewMeasuredHeight(itemViews[0]);
      line1DeltaY = -getActionBarHeight() - 40;
      line2DeltaY = line1DeltaY - line2Height;
      blankView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
          dismissPopup();
        }
      });
      blankView2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
          dismissPopup();
        }
      });
      popupWindow = new PopupWindow(contentView, ScreenUtils.getScreenW(this), ScreenUtils.getScreenH(this));
      //随便设置一个drawable作为背景
      popupWindow.setBackgroundDrawable(new ColorDrawable());
    }
    if (!popupWindow.isShowing()) {
      popupWindow.showAsDropDown(topView, 0, 0);
      for (int i = 0; i 

/**
 * AnimationHelper
 */
public class AnimationHelper {
  /**
   * 进入动画的时间
   */
  public static final int TIME_IN = 300;
  /**
   * 进入动画之后的反弹动画时间
   */
  public static final int TIME_IN_BACK = 100;
  /**
   * 退出动画的时间
   */
  public static final int TIME_OUT = 300;
  /**
   * 点击PopupWindow上菜单后退出动画的时间
   */
  public static final int TIME_OUT_CLICK = 500;
  /**
   * PopupWindow上菜单进入动画
   */
  public static Animation createPopupAnimIn(Context context, int fromYDelta) {
    AnimationSet animatiOnSet= new AnimationSet(context, null);
//    animationSet.setInterpolator(new BounceInterpolator()); //结束时弹跳
    animationSet.setFillAfter(true);
    //移动
    TranslateAnimation translateAnim = new TranslateAnimation(0, 0, fromYDelta, 20);
    translateAnim.setDuration(TIME_IN);
    animationSet.addAnimation(translateAnim);
    //回弹效果
    TranslateAnimation translateAnim2 = new TranslateAnimation(0, 0, 0, -20);
    translateAnim2.setStartOffset(TIME_IN);
    translateAnim2.setDuration(TIME_IN_BACK);
    animationSet.addAnimation(translateAnim2);
    return animationSet;
  }
  /**
   * PopupWindow上菜单离开动画
   */
  public static Animation createPopupAnimOut(Context context, int toYDelta) {
    AnimationSet animatiOnSet= new AnimationSet(context, null);
    animationSet.setFillAfter(true);
    TranslateAnimation translateAnim = new TranslateAnimation(0, 0, 0, toYDelta);
    translateAnim.setDuration(TIME_OUT);
    animationSet.addAnimation(translateAnim);
    return animationSet;
  }
  /**
   * PopupWindow背景进入动画（透明度渐变）
   */
  public static Animation createPopupBgFadeInAnim() {
    AlphaAnimation anim = new AlphaAnimation(0, 1.0f);
    anim.setDuration(TIME_IN);
    anim.setFillAfter(true);
    return anim;
  }
  /**
   * PopupWindow背景离开动画（透明度渐变）
   */
  public static Animation createPopupBgFadeOutAnim(int duration) {
    AlphaAnimation anim = new AlphaAnimation(1.0f, 0);
    anim.setDuration(duration);
    anim.setFillAfter(true);
    return anim;
  }
  /**
   * PopupWindow按钮点击动画
   */
  public static Animation createPopupItemBiggerAnim(Context context) {
    AnimationSet animatiOnSet= new AnimationSet(context, null);
    animationSet.setFillAfter(true);
    //放大(设置缩放的中心点为自己的中心)
    ScaleAnimation scaleAnim = new ScaleAnimation(1.0f, 2.0f, 1.0f, 2.0f,
        Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
    scaleAnim.setDuration(TIME_OUT_CLICK);
    animationSet.addAnimation(scaleAnim);
    //渐变
    AlphaAnimation alphaAnim = new AlphaAnimation(1.0f, 0);
    alphaAnim.setInterpolator(new AccelerateInterpolator());
    alphaAnim.setDuration(TIME_OUT_CLICK);
    animationSet.addAnimation(alphaAnim);
    return animationSet;
  }
  /**
   * PopupWindow按钮点击时其它按钮的动画
   */
  public static Animation createPopupItemSmallerAnim(Context context) {
    //放大(设置缩放的中心点为自己的中心)
    ScaleAnimation scaleAnim = new ScaleAnimation(1.0f, 0, 1.0f, 0,
        Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
    scaleAnim.setDuration(TIME_OUT_CLICK);
    scaleAnim.setFillAfter(true);
    return scaleAnim;
  }
}