Do not show the check units dialog on startup.

Use imperial for US. Use metrics for others.

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

@@ -22,7 +22,6 @@ import com.google.android.apps.mytracks.content.TrackDataListener;
 import com.google.android.apps.mytracks.content.TrackDataType;
 import com.google.android.apps.mytracks.content.TracksColumns;
 import com.google.android.apps.mytracks.content.Waypoint;
-import com.google.android.apps.mytracks.fragments.CheckUnitsDialogFragment;
 import com.google.android.apps.mytracks.fragments.DeleteAllTrackDialogFragment;
 import com.google.android.apps.mytracks.fragments.DeleteOneTrackDialogFragment;
 import com.google.android.apps.mytracks.fragments.DeleteOneTrackDialogFragment.DeleteOneTrackCaller;
@@ -163,7 +162,8 @@ public class TrackListActivity extends FragmentActivity implements DeleteOneTrac
             runOnUiThread(new Runnable() {
                 @Override
               public void run() {
-                boolean isRecording = recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+                boolean isRecording = recordingTrackId
+                    != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
                 updateMenuItems(isRecording);
                 resourceCursorAdapter.notifyDataSetChanged();
                 trackController.update(isRecording, recordingTrackPaused);
@@ -595,13 +595,6 @@ public class TrackListActivity extends FragmentActivity implements DeleteOneTrac
         new WelcomeDialogFragment().show(
             getSupportFragmentManager(), WelcomeDialogFragment.WELCOME_DIALOG_TAG);
       }
-    } else if (EulaUtils.getShowCheckUnits(this)) {
-      Fragment fragment = getSupportFragmentManager()
-          .findFragmentByTag(CheckUnitsDialogFragment.CHECK_UNITS_DIALOG_TAG);
-      if (fragment == null) {
-        new CheckUnitsDialogFragment().show(
-            getSupportFragmentManager(), CheckUnitsDialogFragment.CHECK_UNITS_DIALOG_TAG);
-      }
     } else {
       /*
        * Before the welcome sequence, the empty view is not visible so that it

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

@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.fragments;
 
 import com.google.android.apps.mytracks.TrackListActivity;
 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.AlertDialog;
@@ -27,6 +28,8 @@ import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentActivity;
 
+import java.util.Locale;
+
 /**
  * A DialogFragment to show EULA.
  * 
@@ -84,6 +87,9 @@ public class EulaDialogFragment extends DialogFragment {
         @Override
         public void onClick(DialogInterface dialog, int which) {
           EulaUtils.setAcceptEula(activity);
+          Locale locale = Locale.getDefault();
+          PreferencesUtils.setBoolean(
+              activity, R.string.metric_units_key, !Locale.US.equals(Locale.getDefault()));
           TrackListActivity trackListActivity = (TrackListActivity) activity;
           trackListActivity.showStartupDialogs();
         }

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

@@ -31,7 +31,6 @@ 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 SHOW_WELCOME_PREFERENCE_KEY = "showWelcome";
-  private static final String SHOW_CHECK_UNITS_PREFERENCE_KEY = "showCheckUnits";
   
   private EulaUtils() {}
 
@@ -51,14 +50,6 @@ public class EulaUtils {
     setValue(context, SHOW_WELCOME_PREFERENCE_KEY, false);
   }
  
-  public static boolean getShowCheckUnits(Context context) {
-    return getValue(context, SHOW_CHECK_UNITS_PREFERENCE_KEY, true);
-  }
-
-  public static void setShowCheckUnits(Context context) {
-    setValue(context, SHOW_CHECK_UNITS_PREFERENCE_KEY, false);
-  }
-  
   private static boolean getValue(Context context, String key, boolean defaultValue) {
     SharedPreferences sharedPreferences = context.getSharedPreferences(
         EULA_PREFERENCE_FILE, Context.MODE_PRIVATE);