Set default units to imperial if in US

MyTracks/res/layout-land/track_list.xml

@@ -30,7 +30,6 @@ limitations under the License.
     android:layout_weight="1.0"
     android:layout_width="0dp"
     android:text="@string/track_list_empty_message"
-    android:visibility="gone"
     style="@style/ListEmptyTextView" >
   </TextView>
 </LinearLayout>

MyTracks/res/layout/track_list.xml

@@ -29,7 +29,6 @@ limitations under the License.
     android:layout_weight="1.0"
     android:layout_width="match_parent"
     android:text="@string/track_list_empty_message"
-    android:visibility="gone"
     style="@style/ListEmptyTextView" >
   </TextView>
   <include layout="@layout/track_controller" />

MyTracks/src/com/google/android/apps/mytracks/TrackListActivity.java

@@ -84,6 +84,8 @@ import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ListView;
 import android.widget.Toast;
 
+import java.util.Locale;
+
 /**
  * An activity displaying a list of tracks.
  * 
@@ -645,7 +647,7 @@ public class TrackListActivity extends AbstractSendToGoogleActivity
    * Shows start up dialogs.
    */
   public void showStartupDialogs() {
-    if (!EulaUtils.getAcceptEula(this)) {
+    if (!EulaUtils.hasAcceptEula(this)) {
       Fragment fragment = getSupportFragmentManager()
           .findFragmentByTag(EulaDialogFragment.EULA_DIALOG_TAG);
       if (fragment == null) {
@@ -653,19 +655,20 @@ public class TrackListActivity extends AbstractSendToGoogleActivity
             .show(getSupportFragmentManager(), EulaDialogFragment.EULA_DIALOG_TAG);
       }
     } else {
-      /*
-       * Before the welcome sequence, the empty view is not visible so that it
-       * doesn't show through.
-       */
-      findViewById(R.id.track_list_empty_view).setVisibility(View.VISIBLE);
-
+      if (!EulaUtils.hasDefaultUnits(this)) {
+        String statsUnits = getString(
+            Locale.US.equals(Locale.getDefault()) ? R.string.stats_units_imperial
+                : R.string.stats_units_metric);
+        PreferencesUtils.setString(this, R.string.stats_units_key, statsUnits);        
+        EulaUtils.setDefaultUnits(this);
+      }
       checkGooglePlayServices();
     }
   }
 
   @Override
   public void onEulaDone() {
-    if (EulaUtils.getAcceptEula(this)) {
+    if (EulaUtils.hasAcceptEula(this)) {
       showStartupDialogs();
       return;
     }
@@ -692,7 +695,7 @@ public class TrackListActivity extends AbstractSendToGoogleActivity
   }
 
   private void showEnableSync() {
-    if (EulaUtils.getShowEnableSync(this)) {
+    if (EulaUtils.hasShowEnableSync(this)) {
       Fragment fragment = getSupportFragmentManager()
           .findFragmentByTag(EnableSyncDialogFragment.ENABLE_SYNC_DIALOG_TAG);
       if (fragment == null) {

MyTracks/src/com/google/android/apps/mytracks/fragments/EulaDialogFragment.java

@@ -17,7 +17,6 @@
 package com.google.android.apps.mytracks.fragments;
 
 import com.google.android.apps.mytracks.util.EulaUtils;
-import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -33,8 +32,6 @@ import android.text.util.Linkify;
 import android.view.KeyEvent;
 import android.widget.TextView;
 
-import java.util.Locale;
-
 /**
  * A DialogFragment to show EULA.
  * 
@@ -120,10 +117,6 @@ public class EulaDialogFragment extends DialogFragment {
           @Override
         public void onClick(DialogInterface dialog, int which) {
           EulaUtils.setAcceptEula(fragmentActivity);
-          String statsUnits = fragmentActivity.getString(
-              Locale.US.equals(Locale.getDefault()) ? R.string.stats_units_imperial
-                  : R.string.stats_units_metric);
-          PreferencesUtils.setString(fragmentActivity, R.string.stats_units_key, statsUnits);
           caller.onEulaDone();
         }
       });

MyTracks/src/com/google/android/apps/mytracks/util/EulaUtils.java

@@ -30,25 +30,63 @@ public class EulaUtils {
 
   // Accepting Google mobile terms of service
   private static final String ACCEPT_EULA_PREFERENCE_KEY = "eula.google_mobile_tos_accepted";
+  private static final String DEFAULT_UNITS_PREFERENCE_KEY = "defaultUnits";
   private static final String SHOW_ENABLE_SYNC_PREFERENCE_KEY = "showEnableSync";
   
   private EulaUtils() {}
 
-  public static boolean getAcceptEula(Context context) {
+  /**
+   * Returns true if eula is accepted.
+   * @param context the context
+   */
+  public static boolean hasAcceptEula(Context context) {
     return getValue(context, ACCEPT_EULA_PREFERENCE_KEY, false);
   }
 
+  /**
+   * Sets to true that eula is accepted.
+   * 
+   * @param context the context
+   */
   public static void setAcceptEula(Context context) {
     setValue(context, ACCEPT_EULA_PREFERENCE_KEY, true);
   }
-
-  public static boolean getShowEnableSync(Context context) {
+  
+  /**
+   * Returns true if the default units is initialized.
+   * 
+   * @param context the context
+   */
+  public static boolean hasDefaultUnits(Context context) {
+    return getValue(context, DEFAULT_UNITS_PREFERENCE_KEY, false);
+  }
+  
+  /**
+   * Sets to true that the default units is initialized.
+   * 
+   * @param context the context
+   */
+  public static void setDefaultUnits(Context context) {
+    setValue(context, DEFAULT_UNITS_PREFERENCE_KEY, true);
+  }
+  
+  /**
+   * Returns true if show enable sync is needed.
+   * 
+   * @param context the context 
+   */
+  public static boolean hasShowEnableSync(Context context) {
     return getValue(context, SHOW_ENABLE_SYNC_PREFERENCE_KEY, true);
   }
-
+  
+  /**
+   * Sets to false that show enable sync is needed.
+   * 
+   * @param context the context
+   */
   public static void setShowEnableSync(Context context) {
     setValue(context, SHOW_ENABLE_SYNC_PREFERENCE_KEY, false);
-  }
+  }  
   
   private static boolean getValue(Context context, String key, boolean defaultValue) {
     SharedPreferences sharedPreferences = context.getSharedPreferences(