move all text bits to strings.xml so they are translatable

Inline text is not translatable, it is important to heed the lint warnings
about:

Hardcoded string "Swap success!", should use @string resource

F-Droid/res/layout/swap_create_header.xml

@@ -2,7 +2,7 @@
 <TextView
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/text_description"
-        android:text="Tap to select the apps you want to swap."
+        android:text="@string/swap_tap_to_select_apps"
         style="@style/SwapTheme.StartSwap.MainText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />

F-Droid/res/layout/swap_learn_about_wifi.xml

@@ -30,13 +30,13 @@
                 android:id="@+id/wifi_label_public"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Public"/>
+                android:text="@string/wifi_ap_public"/>
 
         <TextView
                 android:id="@+id/wifi_warning_public"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="May work"/>
+                android:text="@string/wifi_warning_public"/>
 
         <ImageView
                 android:id="@+id/wifi_status_public"
@@ -64,13 +64,13 @@
                 android:id="@+id/wifi_label_private"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Private" />
+                android:text="@string/wifi_ap_private" />
 
         <TextView
                 android:id="@+id/wifi_warning_private"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Promising" />
+                android:text="@string/wifi_warning_private" />
 
         <ImageView
                 android:id="@+id/wifi_status_private"
@@ -99,13 +99,13 @@
                 android:id="@+id/wifi_label_personal"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Hotspot" />
+                android:text="@string/wifi_ap_personal" />
 
         <TextView
                 android:id="@+id/wifi_warning_personal"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Best bet" />
+                android:text="@string/wifi_warning_personal" />
 
         <ImageView
                 android:id="@+id/wifi_status_personal"

F-Droid/res/layout/swap_nfc.xml

@@ -24,7 +24,7 @@
 
     <CheckBox
             android:id="@+id/checkbox_dont_show"
-            android:text="Don't show this again"
+            android:text="@string/swap_dont_show_again"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_below="@+id/text_description"

F-Droid/res/layout/swap_success_header.xml

@@ -7,7 +7,7 @@
 
     <TextView
             android:id="@+id/text_title"
-            android:text="Swap success!"
+            android:text="@string/swap_success"
             style="@style/SwapTheme.AppList.SwapSuccess"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
@@ -21,7 +21,7 @@
 
     <TextView
             android:id="@+id/text_description"
-            android:text="Tap an app for details and to install."
+            android:text="@string/swap_tap_for_details_and_install"
             style="@style/SwapTheme.AppList.SwapSuccessDetails"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

F-Droid/res/layout/swap_wifi_qr.xml

@@ -15,7 +15,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:id="@+id/textView"
-                android:text="One person needs to scan the  code, or type the URL of the  other swapper into a browser."
+                android:text="@string/swap_scan_or_type_url"
                 style="@style/SwapTheme.Wizard.MainText"/>
 
         <ImageView

F-Droid/res/menu/swap_next.xml

@@ -2,8 +2,8 @@
 
     <item
         android:id="@+id/action_next"
-        android:title="Next"
+        android:title="@string/next"
-        android:titleCondensed="Next"/>
+        android:titleCondensed="@string/next"/>
 
     <!-- Currently in a style, but that style probably wont work on 8 -> 11 devices -->
     <!--android:drawable="@drawable/swap_action_button_skin"-->

F-Droid/res/menu/swap_next_search.xml

@@ -2,13 +2,13 @@
 
     <item
         android:id="@+id/action_next"
-        android:title="Next"
+        android:title="@string/next"
-        android:titleCondensed="Next"/>
+        android:titleCondensed="@string/next"/>
 
     <item
         android:id="@+id/action_search"
         android:icon="@android:drawable/ic_menu_search"
-        android:title="Search"
+        android:title="@string/menu_search"
-        android:titleCondensed="Search"/>
+        android:titleCondensed="@string/menu_search"/>
 
 </menu>

F-Droid/res/menu/swap_skip.xml

@@ -2,8 +2,8 @@
 
     <item
         android:id="@+id/action_next"
-        android:title="Skip"
+        android:title="@string/skip"
-        android:titleCondensed="Skip"/>
+        android:titleCondensed="@string/skip"/>
 
     <!-- Currently in a style, but that style probably wont work on 8 -> 11 devices -->
     <!--android:drawable="@drawable/swap_action_button_skin"-->

F-Droid/res/values/strings.xml

@@ -304,6 +304,7 @@
     <string name="menu_swap">Swap apps</string>
     <string name="swap">Swap apps</string>
     <string name="swap_repo_name">Swap</string>
+    <string name="swap_success">Swap success!</string>
     <string name="swap_no_wifi_network">No network yet</string>
     <string name="swap_view_available_networks">(Tap to open available networks)</string>
     <string name="swap_wifi_qr_not_working">It\'s not working</string>
@@ -313,4 +314,15 @@
     <string name="swap_introduction">Your mobile device becomes an app store with Swap!</string>
     <string name="swap_start">START A SWAP</string>
     <string name="swap_reciprocate_failed">An error occurred while attempting to swap with another device. We will still try to get apps from them, but they may not be able to get apps from us.</string>
+    <string name="swap_tap_to_select_apps">Tap to select the apps you want to swap.</string>
+    <string name="swap_dont_show_again">Don\'t show this again</string>
+    <string name="swap_tap_for_details_and_install">Tap an app for details and to install.</string>
+    <string name="swap_scan_or_type_url">One person needs to scan the code, or type the URL of the other swapper into a browser.</string>
+    <!-- WiFi AP status for Swap flow -->
+    <string name="wifi_ap_public">Public</string>
+    <string name="wifi_ap_private">Private</string>
+    <string name="wifi_ap_personal">Hotspot</string>
+    <string name="wifi_warning_public">May work</string>
+    <string name="wifi_warning_private">Promising</string>
+    <string name="wifi_warning_personal">Best bet</string>
 </resources>