android: Vertically scalable setup pages

Previously the setup pages would remain at a fixed height but now the icon and two text boxes will give up space as a device gets shorter. This eliminates the need for a scrolling view further problems with padding.

src/android/app/src/main/res/layout/fragment_setup.xml

@@ -10,7 +10,9 @@
         android:id="@+id/viewPager2"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:clipToPadding="false"
+        android:layout_marginBottom="16dp"
+        app:layout_constraintBottom_toTopOf="@+id/button_next"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
@@ -20,7 +22,7 @@
         android:id="@+id/button_next"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_margin="16dp"
+        android:layout_margin="12dp"
         android:text="@string/next"
         android:visibility="invisible"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -31,7 +33,7 @@
         android:id="@+id/button_back"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_margin="16dp"
+        android:layout_margin="12dp"
         android:text="@string/back"
         android:visibility="invisible"
         app:layout_constraintBottom_toBottomOf="parent"

src/android/app/src/main/res/layout/page_setup.xml

@@ -1,40 +1,56 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.appcompat.widget.LinearLayoutCompat
+<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"
-    android:orientation="vertical"
-    android:paddingBottom="64dp">
+    android:layout_height="match_parent">
 
     <ImageView
         android:id="@+id/icon"
-        android:layout_width="220dp"
-        android:layout_height="220dp"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         android:layout_marginTop="64dp"
-        android:layout_gravity="center" />
+        android:layout_marginBottom="32dp"
+        app:layout_constraintBottom_toTopOf="@+id/text_title"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHeight_max="220dp"
+        app:layout_constraintHeight_min="110dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_chainStyle="spread"
+        app:layout_constraintWidth_max="220dp"
+        app:layout_constraintWidth_min="110dp"
+        app:layout_constraintVertical_weight="3" />
 
     <com.google.android.material.textview.MaterialTextView
-        style="@style/TextAppearance.Material3.DisplayMedium"
         android:id="@+id/text_title"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="64dp"
+        style="@style/TextAppearance.Material3.DisplayMedium"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         android:textAlignment="center"
         android:textColor="?attr/colorOnSurface"
         android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/text_description"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/icon"
+        app:layout_constraintVertical_weight="1.3"
         tools:text="@string/welcome" />
 
     <com.google.android.material.textview.MaterialTextView
-        style="@style/TextAppearance.Material3.TitleLarge"
         android:id="@+id/text_description"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
-        android:paddingHorizontal="32dp"
+        style="@style/TextAppearance.Material3.TitleLarge"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         android:textAlignment="center"
         android:textSize="26sp"
+        android:paddingHorizontal="16dp"
+        app:layout_constraintBottom_toTopOf="@+id/button_action"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text_title"
+        app:layout_constraintVertical_weight="2"
         app:lineHeight="40sp"
         tools:text="@string/welcome_description" />
 
@@ -42,11 +58,15 @@
         android:id="@+id/button_action"
         android:layout_width="wrap_content"
         android:layout_height="56dp"
-        android:layout_marginTop="96dp"
-        android:layout_gravity="center"
         android:textSize="20sp"
-        app:iconSize="24sp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="48dp"
         app:iconGravity="end"
+        app:iconSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text_description"
         tools:text="Get started" />
 
-</androidx.appcompat.widget.LinearLayoutCompat>
+</androidx.constraintlayout.widget.ConstraintLayout>