diff --git a/software/android/app/src/main/res/layout/activity_main.xml b/software/android/app/src/main/res/layout/activity_main.xml
index 3af3f0d..f05d3d4 100644
--- a/software/android/app/src/main/res/layout/activity_main.xml
+++ b/software/android/app/src/main/res/layout/activity_main.xml
@@ -33,6 +33,8 @@
         <com.google.android.material.textfield.TextInputEditText
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:inputType="number|numberDecimal"
+            android:digits="0123456789."
             android:hint="IP" />
     </com.google.android.material.textfield.TextInputLayout>