popupWindow遮罩层还未处理完

+package com.br_technology.securitytrain_master.expand
+
+import android.content.res.Resources
+
+/**
+ * createTime:2021/7/30 10:50
+ * auth:张继
+ * des:
+ */
+
+fun Int.dp2px(): Int {
+    val density = Resources.getSystem().displayMetrics.density
+    return (density * this + 0.5f).toInt()
+}
+fun Int.px2dp(): Int {
+    val density = Resources.getSystem().displayMetrics.density
+    return (this/density + 0.5f).toInt()
+}

@@ -8,6 +8,8 @@ import androidx.core.content.ContextCompat
 import com.br_technology.securitytrain_master.R
 import com.br_technology.securitytrain_master.R
 import com.br_technology.securitytrain_master.databinding.PopClassifyBinding
 import com.br_technology.securitytrain_master.databinding.PopClassifyBinding
 import com.br_technology.securitytrain_master.expand.addItemDecoration
 import com.br_technology.securitytrain_master.expand.addItemDecoration
+import com.br_technology.securitytrain_master.expand.dp2px
+import com.br_technology.securitytrain_master.expand.screenHeight
 import com.br_technology.securitytrain_master.expand.screenWidth
 import com.br_technology.securitytrain_master.expand.screenWidth
 import com.br_technology.securitytrain_master.ui.home.adapter.TextCourseTypeAdapter
 import com.br_technology.securitytrain_master.ui.home.adapter.TextCourseTypeAdapter
 import com.br_technology.securitytrain_master.view.listener.OnItemClickListener
 import com.br_technology.securitytrain_master.view.listener.OnItemClickListener
@@ -26,9 +28,19 @@ class ClassifyPop(context: Activity) : PopupWindow(context) {
     init {
     init {
         contentView = binding.root
         contentView = binding.root
         width = contentView.screenWidth()
         width = contentView.screenWidth()
-        height = height
-        setBackgroundDrawable(ContextCompat.getDrawable(context, R.color.white))
+        height = 252.dp2px()
+        setBackgroundDrawable(ContextCompat.getDrawable(context, android.R.color.transparent))
+        isOutsideTouchable = false
 
 
+//        val attributes = context.window.attributes
+//        attributes.alpha = 0.5f
+//        context.window.attributes = attributes
+//
+//        setOnDismissListener {
+//            val attributes = context.window.attributes
+//            attributes.alpha = 1f
+//            context.window.attributes = attributes
+//        }
 
 
         binding.apply {
         binding.apply {
             courseType.addItemDecoration(3, 14)
             courseType.addItemDecoration(3, 14)
@@ -53,6 +65,12 @@ class ClassifyPop(context: Activity) : PopupWindow(context) {
             })
             })
             courseType.adapter = textCourseTypeAdapter
             courseType.adapter = textCourseTypeAdapter
             textCourseTypeAdapter.addList(list)
             textCourseTypeAdapter.addList(list)
+
+            complete.setOnClickListener {
+                dismiss()
+            }
+
+
         }
         }
     }
     }
 
 

@@ -29,4 +29,5 @@
         android:text="完成"
         android:text="完成"
         android:textColor="@color/white"
         android:textColor="@color/white"
         android:textSize="15sp" />
         android:textSize="15sp" />
+
 </LinearLayout>
 </LinearLayout>