Moved the "keep screen on" attr from activity to layouts

app/src/main/java/com/rtbishop/look4sat/ui/MainActivity.kt

@@ -1,7 +1,6 @@
 package com.rtbishop.look4sat.ui
 
 import android.os.Bundle
-import android.view.WindowManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.ui.setupWithNavController
@@ -16,6 +15,5 @@ class MainActivity : AppCompatActivity() {
         setContentView(binding.root)
         val navHost = supportFragmentManager.findFragmentById(R.id.nav_frag) as NavHostFragment
         binding.navBottom.setupWithNavController(navHost.navController)
-        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
     }
 }

app/src/main/res/layout/fragment_map.xml

@@ -1,10 +1,27 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Look4Sat. Amateur radio and weather satellite tracker and passes predictor for Android.
+  ~ Copyright (C) 2019, 2020 Arty Bishop (bishop.arty@gmail.com)
+  ~
+  ~ This program is free software; you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation; either version 2 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program; if not, write to the Free Software Foundation, Inc.,
+  ~ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+  -->
+
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.fragments.MapFragment">
+    android:keepScreenOn="true">
 
     <org.osmdroid.views.MapView
         android:id="@+id/map_view"

app/src/main/res/layout/fragment_passes.xml

@@ -20,7 +20,8 @@
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:keepScreenOn="true">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"

app/src/main/res/layout/fragment_polar.xml

@@ -19,10 +19,9 @@
 
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.fragments.PolarFragment">
+    android:keepScreenOn="true">
 
     <FrameLayout
         android:id="@+id/frame"