Port enhancements from NMA

Assignments/CrimeActivity/app/src/main/java/com/calebfontenot/crimeactivity/CrimeActivity.java

@@ -2,7 +2,7 @@ package com.calebfontenot.crimeactivity;
 
 import androidx.fragment.app.Fragment;
 
-public class CrimeActivity extends SingleFragmentActivity{
+public class CrimeActivity extends SingleFragmentActivity {
     @Override
     protected Fragment createFragment() {
         return new CrimeFragment();

Assignments/CrimeActivity/app/src/main/java/com/calebfontenot/crimeactivity/CrimeListActivity.java

@@ -3,10 +3,10 @@ package com.calebfontenot.crimeactivity;
 import androidx.fragment.app.Fragment;
 
 public class CrimeListActivity extends SingleFragmentActivity {
+
     public CrimeListActivity() {
         createFragment();
     }
-
     @Override
     protected Fragment createFragment() {
         return new CrimeListFragment();

Assignments/CrimeActivity/app/src/main/res/layout/fragment_crime_list.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.RecyclerView
+<androidx.recyclerview.widget.RecyclerView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/crime_recycler_view"
     android:layout_width="match_parent"