Add new file

strings.xml

+<resources>
+    <string name="app_name">Car Rentals</string>
+    <string name="title_activity_login_screen">Sign in</string>
+    <string name="prompt_email">Email</string>
+    <string name="prompt_password">Password</string>
+    <string name="action_sign_in">Sign in or register</string>
+    <string name="action_sign_in_short">Sign in</string>
+    <string name="welcome">"Welcome !"</string>
+    <string name="invalid_username">Not a valid username</string>
+    <string name="invalid_password">Password must be >5 characters</string>
+    <string name="login_failed">"Login failed"</string>
+    <string-array name="Spinner_items">
+        <item>Spinner Item Cake</item>
+        <item>Spinner Item Biscuit </item>
+        <item>Spinner Item Sandwich</item>
+        <item>Spinner Item Sweet </item>
+        <item>Spinner Item Chocolate</item>
+        <item>Spinner Item Water </item>
+        <item>Spinner Item Juice </item>
+    </string-array>
+</resources>