auto import from //depot/cupcake/@135843
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
new file mode 100644
index 0000000..a23272b
--- /dev/null
+++ b/src/com/android/settings/Utils.java
@@ -0,0 +1,91 @@
+/**
+ * Copyright (C) 2007 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.android.settings;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.preference.Preference;
+import android.preference.PreferenceGroup;
+
+import java.util.List;
+
+public class Utils {
+
+ /**
+ * Set the preference's title to the matching activity's label.
+ */
+ public static final int UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY = 1;
+
+ /**
+ * Finds a matching activity for a preference's intent. If a matching
+ * activity is not found, it will remove the preference.
+ *
+ * @param context The context.
+ * @param parentPreferenceGroup The preference group that contains the
+ * preference whose intent is being resolved.
+ * @param preferenceKey The key of the preference whose intent is being
+ * resolved.
+ * @param flags 0 or one or more of
+ * {@link #UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY}
+ * .
+ * @return Whether an activity was found. If false, the preference was
+ * removed.
+ */
+ public static boolean updatePreferenceToSpecificActivityOrRemove(Context context,
+ PreferenceGroup parentPreferenceGroup, String preferenceKey, int flags) {
+
+ Preference preference = parentPreferenceGroup.findPreference(preferenceKey);
+ if (preference == null) {
+ return false;
+ }
+
+ Intent intent = preference.getIntent();
+ if (intent != null) {
+ // Find the activity that is in the system image
+ PackageManager pm = context.getPackageManager();
+ List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
+ int listSize = list.size();
+ for (int i = 0; i < listSize; i++) {
+ ResolveInfo resolveInfo = list.get(i);
+ if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM)
+ != 0) {
+
+ // Replace the intent with this specific activity
+ preference.setIntent(new Intent().setClassName(
+ resolveInfo.activityInfo.packageName,
+ resolveInfo.activityInfo.name));
+
+ if ((flags & UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY) != 0) {
+ // Set the preference title to the activity's label
+ preference.setTitle(resolveInfo.loadLabel(pm));
+ }
+
+ return true;
+ }
+ }
+ }
+
+ // Did not find a matching activity, so remove the preference
+ parentPreferenceGroup.removePreference(preference);
+
+ return true;
+ }
+
+}