fix various lint warnings

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

@@ -59,12 +59,10 @@ public class TabsAdapter extends FragmentPagerAdapter
    */
   private static final class TabInfo {
 
-    private final String tag;
     private final Class<?> clss;
     private final Bundle bundle;
 
-    public TabInfo(String tag, Class<?> clss, Bundle bunlde) {
-      this.tag = tag;
+    public TabInfo(Class<?> clss, Bundle bunlde) {
       this.clss = clss;
       this.bundle = bunlde;
     }
@@ -106,9 +104,8 @@ public class TabsAdapter extends FragmentPagerAdapter
   public void addTab(TabHost.TabSpec tabSpec, Class<?> clss, Bundle bundle) {
     tabSpec.setContent(new DummyTabFactory(context));
 
-    String tag = tabSpec.getTag();
-    TabInfo info = new TabInfo(tag, clss, bundle);
-
+    TabInfo info = new TabInfo(clss, bundle);
+    
     tabInfos.add(info);
     tabHost.addTab(tabSpec);
     notifyDataSetChanged();

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

@@ -226,6 +226,7 @@ public class TrackEditActivity extends AbstractMyTracksActivity
    *
    * @param value the icon value
    */
+  @SuppressWarnings("unchecked")
   private void setActivityTypeIcon(String value) {
     iconValue = value;
     ArrayAdapter<StringBuilder> adapter =

MyTracks/src/com/google/android/apps/mytracks/content/SearchEngine.java

@@ -25,6 +25,7 @@ import android.location.Location;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Comparator;
+import java.util.Locale;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
@@ -80,7 +81,7 @@ public class SearchEngine {
   public static class SearchQuery {
     public SearchQuery(String textQuery, Location currentLocation, long currentTrackId,
         long currentTimestamp) {
-      this.textQuery = textQuery.toLowerCase();
+      this.textQuery = textQuery.toLowerCase(Locale.getDefault());
       this.currentLocation = currentLocation;
       this.currentTrackId = currentTrackId;
       this.currentTimestamp = currentTimestamp;
@@ -333,13 +334,13 @@ public class SearchEngine {
       String name, String description, String category) {
     // Title boost: track name > description > category.
     double boost = 1.0;
-    if (name.toLowerCase().contains(query.textQuery)) {
+    if (name.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
       boost *= TRACK_NAME_PROMOTION;
     }
-    if (description.toLowerCase().contains(query.textQuery)) {
+    if (description.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
       boost *= TRACK_DESCRIPTION_PROMOTION;
     }
-    if (category.toLowerCase().contains(query.textQuery)) {
+    if (category.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
       boost *= TRACK_CATEGORY_PROMOTION;
     }
     return boost;

MyTracks/src/com/google/android/apps/mytracks/util/Api16Adapter.java

@@ -20,7 +20,6 @@ import com.google.android.apps.mytracks.widgets.TrackWidgetProvider;
 
 import android.annotation.TargetApi;
 import android.appwidget.AppWidgetManager;
-import android.appwidget.AppWidgetProviderInfo;
 import android.os.Bundle;
 
 /**
@@ -36,10 +35,12 @@ public class Api16Adapter extends Api14Adapter {
   @Override
   public int getAppWidgetSize(AppWidgetManager appWidgetManager, int appWidgetId) {
     Bundle bundle = appWidgetManager.getAppWidgetOptions(appWidgetId);
-    boolean isKeyguard = bundle.getInt(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY, -1)
-        == AppWidgetProviderInfo.WIDGET_CATEGORY_KEYGUARD;
-    return bundle.getInt(APP_WIDGET_SIZE_KEY, isKeyguard ? TrackWidgetProvider.KEYGUARD_DEFAULT_SIZE
-        : TrackWidgetProvider.HOME_SCREEN_DEFAULT_SIZE);
+    return bundle.getInt(APP_WIDGET_SIZE_KEY, getAppWidgetSizeDefault(bundle));
+  }
+  
+  @SuppressWarnings("unused")
+  protected int getAppWidgetSizeDefault(Bundle bundle) {
+    return TrackWidgetProvider.HOME_SCREEN_DEFAULT_SIZE;
   }
   
   @Override

MyTracks/src/com/google/android/apps/mytracks/util/Api17Adapter.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.util;
+
+import com.google.android.apps.mytracks.widgets.TrackWidgetProvider;
+
+import android.annotation.TargetApi;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.os.Bundle;
+
+/**
+ * API level 17 specific implementation of the {@link ApiAdapter}.
+ * 
+ * @author Jimmy Shih
+ */
+@TargetApi(17)
+public class Api17Adapter extends Api16Adapter {
+
+  @Override
+  protected int getAppWidgetSizeDefault(Bundle bundle) {
+    boolean isKeyguard = bundle.getInt(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY, -1)
+        == AppWidgetProviderInfo.WIDGET_CATEGORY_KEYGUARD;
+    return isKeyguard ? TrackWidgetProvider.KEYGUARD_DEFAULT_SIZE
+        : TrackWidgetProvider.HOME_SCREEN_DEFAULT_SIZE;
+  }
+}

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

@@ -31,7 +31,9 @@ public class ApiAdapterFactory {
    */
   public static ApiAdapter getApiAdapter() {
     if (apiAdapter == null) {
-      if (Build.VERSION.SDK_INT >= 16) {
+      if (Build.VERSION.SDK_INT >= 17) {
+        apiAdapter = new Api17Adapter();
+      } else if (Build.VERSION.SDK_INT >= 16) {
         apiAdapter = new Api16Adapter();
       } else if (Build.VERSION.SDK_INT >= 14) {
         apiAdapter = new Api14Adapter();

MyTracks/src/com/google/android/apps/mytracks/widgets/TrackWidgetConfigActivity.java

@@ -29,6 +29,7 @@ import android.widget.Spinner;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 
 /**
  * Activity to configure the track widget.
@@ -124,7 +125,7 @@ public class TrackWidgetConfigActivity extends Activity {
   }
 
   private void addItem(List<CharSequence> list, int id) {
-    list.add(getString(id).toUpperCase());
+    list.add(getString(id).toUpperCase(Locale.getDefault()));
   }
 
   private void configSpinner(Spinner spinner, List<CharSequence> list, int position) {