Add a ScrollView to HotspotFragment to account for small screens

app/src/main/java/org/briarproject/hotspot/HotspotFragment.java

@@ -33,7 +33,6 @@ public class HotspotFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         viewModel = new ViewModelProvider(requireActivity()).get(MainViewModel.class);
-        // Inflate the layout for this fragment
         return inflater.inflate(R.layout.fragment_hotspot, container, false);
     }
 

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

 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@android:color/white"
-    android:gravity="center"
+    android:fillViewport="true"
     android:orientation="vertical"
     tools:context=".HotspotFragment">
 
-    <ImageView
-        android:id="@+id/qr_code"
-        android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:contentDescription="@string/qr_code_description"
-        android:visibility="gone" />
+        android:gravity="center"
+        android:orientation="vertical"
+        tools:context=".HotspotFragment">
 
-    <TextView
-        android:id="@+id/ssid"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="16sp" />
+        <ImageView
+            android:id="@+id/qr_code"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:contentDescription="@string/qr_code_description"
+            android:visibility="gone" />
 
-    <TextView
-        android:id="@+id/password"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="16sp" />
+        <TextView
+            android:id="@+id/ssid"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="16sp" />
 
-    <Button
-        android:id="@+id/button"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_margin="16dp"
-        android:text="@string/start_hotspot" />
+        <TextView
+            android:id="@+id/password"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="16sp" />
 
-    <TextView
-        android:id="@+id/status"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="16sp" />
+        <Button
+            android:id="@+id/button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:text="@string/start_hotspot" />
 
-    <Button
-        android:id="@+id/serverButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_margin="16dp"
-        android:text="@string/connected"
-        android:visibility="gone"
-        tools:visibility="visible" />
+        <TextView
+            android:id="@+id/status"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="16sp" />
+
+        <Button
+            android:id="@+id/serverButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:text="@string/connected"
+            android:visibility="gone"
+            tools:visibility="visible" />
+
+    </LinearLayout>
 
-</LinearLayout>
+</ScrollView>
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