adjust sample text appearances

Author: ajungg

java-sample/src/main/res/layout/activity_main.xml

@@ -16,6 +16,7 @@
         android:layout_gravity="center"
         android:gravity="center"
         android:visibility="gone"
+        android:textAppearance="?attr/textAppearanceBodyLarge"
         android:id="@+id/sdk_error" />
 
     <FrameLayout

java-sample/src/main/res/layout/item_dropdown.xml

@@ -2,4 +2,4 @@
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent" android:layout_height="wrap_content"
     android:padding="8dp"
-    android:textSize="16sp"/>
+    android:textAppearance="?attr/textAppearanceBodyLarge"/>

kotlin-sample/src/main/res/layout/activity_loading.xml

@@ -9,6 +9,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
+        android:textAppearance="?attr/textAppearanceBodyLarge"
         android:text="Loading" />
 
 </FrameLayout>

kotlin-sample/src/main/res/layout/fragment_home.xml

@@ -16,7 +16,7 @@
         android:layout_marginTop="8dp"
         android:layout_marginEnd="8dp"
         android:textAlignment="center"
-        android:textSize="20sp"
+        android:textAppearance="?attr/textAppearanceBodyLarge"
         android:text="Welcome to the snabble SDK Sample!" />
 
     <Button
@@ -27,5 +27,6 @@
         android:layout_marginTop="8dp"
         android:layout_marginEnd="8dp"
         android:textAlignment="center"
+        android:textAppearance="?attr/textAppearanceBodyLarge"
         android:text="Show payment credentials"/>
 </LinearLayout>

kotlin-sample/src/main/res/layout/fragment_success.xml

@@ -15,6 +15,6 @@
         android:layout_marginEnd="8dp"
         android:textAlignment="center"
         android:layout_gravity="center"
-        android:text="Custom success screen"
-        android:textSize="20sp" />
+        android:textAppearance="?attr/textAppearanceBodyLarge"
+        android:text="Custom success screen" />
 </FrameLayout>