Add preference that, if set, allows board to display in landscape

orientation.  Later a test for screen size will do the same (with
debug pref overriding it to ease testing.)  Board looks like crap in
that mode; will fix next.

xwords4/android/XWords4/res/values/common_rsrc.xml

@@ -65,6 +65,7 @@
 
   <string name="key_summary_field">key_summary_field</string>
   <string name="key_default_loc">key_default_loc</string>
+  <string name="key_force_tablet">key_force_tablet</string>
 
   <!-- database keys whose entries aren't visible prefs -->
   <string name="key_closed_langs">key_closed_langs</string>

xwords4/android/XWords4/res/values/strings.xml

@@ -2263,4 +2263,6 @@
     legal.\n\nCheck the \"Show downloadable\" box at the top to see
     what\'s available.</string>
 
+    <string name="force_tablet_title">Force tablet layout</string>
+    <string name="force_tablet_summary">Even if my screen is too small</string>
 </resources>

xwords4/android/XWords4/res/xml/xwprefs.xml

@@ -332,6 +332,12 @@
                         android:defaultValue="false"
 	                    />
 
+    <CheckBoxPreference android:key="@string/key_force_tablet"
+                        android:title="@string/force_tablet_title"
+                        android:summary="@string/force_tablet_summary"
+                        android:defaultValue="false"
+	                    />
+
     <!-- For broken devices like my Blaze 4G that report a download
          directory that doesn't exist, allow users to set it.  Mine:
          /sdcard/external_sd/download     

xwords4/android/XWords4/res_src/values-ba_CK/strings.xml

@@ -1935,4 +1935,6 @@
     ni\n• Woh trams eht tobor reyalp si\n• Tahw sdrow era
     lagel.\n\nKcehc eht \"Wohs elbadaolnwod\" xob ta eht pot ot ees
     tahw\'s elbaliava.</string>
+  <string name="force_tablet_title">Ecrof telbat tuoyal</string>
+  <string name="force_tablet_summary">Neve fi ym neercs si oot llams</string>
 </resources>

xwords4/android/XWords4/res_src/values-ca_PS/strings.xml

@@ -1935,4 +1935,6 @@
     IN\n• HOW SMART THE ROBOT PLAYER IS\n• WHAT WORDS ARE
     LEGAL.\n\nCHECK THE \"SHOW DOWNLOADABLE\" BOX AT THE TOP TO SEE
     WHAT\'S AVAILABLE.</string>
+  <string name="force_tablet_title">FORCE TABLET LAYOUT</string>
+  <string name="force_tablet_summary">EVEN IF MY SCREEN IS TOO SMALL</string>
 </resources>

xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardActivity.java

@@ -36,9 +36,14 @@ public class BoardActivity extends XWActivity {
         m_dlgt = new BoardDelegate( this, savedInstanceState );
         super.onCreate( savedInstanceState, m_dlgt );
 
-        if ( 9 <= Integer.valueOf( android.os.Build.VERSION.SDK ) ) {
+        int orientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
-            setRequestedOrientation( ActivityInfo.
+        if ( XWPrefs.getIsTablet( this ) ) {
-                                     SCREEN_ORIENTATION_SENSOR_PORTRAIT );
+            orientation = ActivityInfo.SCREEN_ORIENTATION_USER;
+        } else if ( 9 <= Integer.valueOf( android.os.Build.VERSION.SDK ) ) {
+            orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
+        }
+        if ( ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED != orientation ) {
+            setRequestedOrientation( orientation );
         }
     } // onCreate
 

xwords4/android/XWords4/src/org/eehouse/android/xw4/XWPrefs.java

@@ -464,4 +464,11 @@ public class XWPrefs {
     {
         return getPrefsBoolean( context, key_checked_upgrades, false );
     }
+
+    public static boolean getIsTablet( Context context )
+    {
+        boolean fakeTablet = 
+            getPrefsBoolean( context, R.string.key_force_tablet, false );
+        return fakeTablet;
+    }
 }