diff --git a/app/build.gradle b/app/build.gradle
index 6685fad6d..40a877a85 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -45,6 +45,7 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:27.0.2'
     compile 'com.android.support:design:27.0.2'
+    compile 'com.android.support:support-v4:27.0.2'
     compile 'com.journeyapps:zxing-android-embedded:3.5.0@aar'
     compile 'com.google.zxing:core:3.3.0'
     compile 'org.apache.commons:commons-csv:1.5'
diff --git a/app/src/main/res/layout/loyalty_card_view_layout.xml b/app/src/main/res/layout/loyalty_card_view_layout.xml
index f5cab45c6..42c222e86 100644
--- a/app/src/main/res/layout/loyalty_card_view_layout.xml
+++ b/app/src/main/res/layout/loyalty_card_view_layout.xml
@@ -41,7 +41,6 @@
 
             <TextView
                 android:id="@+id/cardIdView"
-                android:textSize="42.0sp"
                 android:layout_width="0dp"
                 android:layout_height="0dp"
                 android:layout_marginLeft="10.0dip"
@@ -49,11 +48,11 @@
                 app:layout_constraintTop_toBottomOf="@id/centerGuideline"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
-                android:maxLines="1"
-                android:layout_weight="0.1"
                 android:textAlignment="center"
-                android:ellipsize="end"
-                android:text="1234567890"/>
+                app:autoSizeTextType="uniform"
+                app:autoSizeMinTextSize="@dimen/singleCardCardIdTextSizeMin"
+                app:autoSizeMaxTextSize="@dimen/singleCardCardIdTextSizeMax"
+                android:ellipsize="end"/>
 
         </android.support.constraint.ConstraintLayout>
 
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index c06dd3997..0ca18497f 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -14,6 +14,8 @@
     <dimen name="storeNameTextSize">28sp</dimen>
     <dimen name="noteTextSize">14sp</dimen>
 
+    <dimen name="singleCardCardIdTextSizeMin">15sp</dimen>
+    <dimen name="singleCardCardIdTextSizeMax">50sp</dimen>
     <dimen name="inputBorderThickness">2dip</dimen>
     <dimen name="inputBorderDividerThickness">4dip</dimen>
     <dimen name="inputPadding">20dip</dimen>