1.优化代码

game/src/main/java/com/yingyangfly/game/dialog/CountdownDialog.kt

@@ -1,12 +1,10 @@
 package com.yingyangfly.game.dialog
 
 import android.content.Context
-import android.os.Build
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.annotation.RequiresApi
 import androidx.appcompat.widget.AppCompatImageView
 import androidx.appcompat.widget.AppCompatTextView
 import androidx.fragment.app.DialogFragment
@@ -70,7 +68,6 @@ class CountdownDialog : DialogFragment() {
         dialog?.window?.setBackgroundDrawableResource(R.color.transparent)
     }
 
-    @RequiresApi(Build.VERSION_CODES.N)
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,