popupwindow在控件的顶部弹窗

@SuppressLint("Range")
  private void showPopUp(View v) {
      View inflate = View.inflate(getActivity(), R.layout.popup, null);
      inflate.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
      int measuredHeight = inflate.getMeasuredHeight();
      int measuredWidth = inflate.getMeasuredWidth();
      mPopupWindow = new PopupWindow(inflate,ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT,false);
      mPopupWindow.setFocusable(true);
      mPopupWindow.setBackgroundDrawable(new ColorDrawable());
      mPopupWindow.setOutsideTouchable(true);
      int[] location = new int[3];
      v.getLocationOnScreen(location);
      mPopupWindow.showAtLocation(v, Gravity.NO_GRAVITY, (location[0] + v.getWidth() / 3) - measuredWidth / 3, location[1]-measuredHeight);
  }

布局文件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#54070606">


    <ImageView
        android:id="@+id/article"
        android:layout_width="@dimen/dp_40"
        android:layout_height="@dimen/dp_40"
        android:layout_marginLeft="@dimen/dp_304"
        android:layout_marginTop="@dimen/dp_324"
        android:layout_marginBottom="@dimen/dp_10"
        android:src="@mipmap/problem" />

    <ImageView
        android:id="@+id/answer"
        android:layout_width="@dimen/dp_40"
        android:layout_height="@dimen/dp_40"
        android:layout_below="@id/article"
        android:layout_marginLeft="@dimen/dp_304"
        android:layout_marginBottom="@dimen/dp_10"
        android:src="@mipmap/answer" />

    <ImageView
        android:id="@+id/problem"
        android:layout_width="@dimen/dp_40"
        android:layout_height="@dimen/dp_40"
        android:layout_below="@id/answer"
        android:layout_marginLeft="@dimen/dp_304"
        android:layout_marginBottom="@dimen/dp_10"
        android:src="@mipmap/article" />

    <Button
        android:id="@+id/release"
        android:layout_width="@dimen/dp_40"
        android:layout_height="@dimen/dp_40"
        android:layout_marginLeft="@dimen/dp_302"
        android:layout_below="@id/problem"
        android:background="@mipmap/release" />

</RelativeLayout>

图片

效果图.png

暂时没加动画效果，持续更新中……