Extract common functionality for profile spinner into Utils

Bug: 16645615
Change-Id: Ic8928fff8294cd99eeb86b69b44b8e4128cadf92

src/com/android/settings/Utils.java

@@ -66,6 +66,7 @@ import android.view.ViewGroup;
 import android.widget.ListView;
 import android.widget.TabWidget;
 
+import com.android.settings.UserSpinnerAdapter.UserDetails;
 import com.android.settings.dashboard.DashboardCategory;
 import com.android.settings.dashboard.DashboardTile;
 import com.android.settings.drawable.CircleFramedDrawable;
@@ -73,6 +74,7 @@ import com.android.settings.drawable.CircleFramedDrawable;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.InetAddress;
+import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
@@ -637,6 +639,34 @@ public final class Utils {
         return currentUser.isManagedProfile();
     }
 
+    /**
+     * Creates a {@link UserSpinnerAdapter} if there is more than one profile on the device.
+     *
+     * <p> The adapter can be used to populate a spinner that switches between the Settings
+     * app on the different profiles.
+     *
+     * @return a {@link UserSpinnerAdapter} or null if there is only one profile.
+     */
+    public static UserSpinnerAdapter createUserSpinnerAdapter(UserManager userManager,
+            Context context) {
+        List<UserHandle> userProfiles = userManager.getUserProfiles();
+        if (userProfiles.size() < 2) {
+            return null;
+        }
+
+        UserHandle myUserHandle = new UserHandle(UserHandle.myUserId());
+        // The first option should be the current profile
+        userProfiles.remove(myUserHandle);
+        userProfiles.add(0, myUserHandle);
+
+        ArrayList<UserDetails> userDetails = new ArrayList<UserDetails>(userProfiles.size());
+        final int count = userProfiles.size();
+        for (int i = 0; i < count; i++) {
+            userDetails.add(new UserDetails(userProfiles.get(i), userManager, context));
+        }
+        return new UserSpinnerAdapter(context, userDetails);
+    }
+
     /**
      * Returns the target user for a Settings activity.
      *

src/com/android/settings/applications/ManageApplications.java

@@ -921,20 +921,7 @@ public class ManageApplications extends Fragment implements
         mNumTabs = mTabs.size();
 
         final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
-        List<UserHandle> userProfiles = um.getUserProfiles();
+        mProfileSpinnerAdapter = Utils.createUserSpinnerAdapter(um, mContext);
-        if (userProfiles.size() >= 2) {
-
-            UserHandle myUserHandle = new UserHandle(UserHandle.myUserId());
-            userProfiles.remove(myUserHandle);
-            userProfiles.add(0, myUserHandle);
-            ArrayList<UserDetails> userDetails = new ArrayList<UserDetails>(userProfiles.size());
-            final int count = userProfiles.size();
-            for (int i = 0; i < count; i++) {
-                userDetails.add(new UserDetails(userProfiles.get(i), um, mContext));
-            }
-            // TODO: Factor out spinner creation in a method in Utils class. See: http://b/16645615
-            mProfileSpinnerAdapter = new UserSpinnerAdapter(mContext, userDetails);
-        }
     }
 
 
@@ -1047,7 +1034,6 @@ public class ManageApplications extends Fragment implements
     public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
         UserHandle selectedUser = mProfileSpinnerAdapter.getUserHandle(position);
         if (selectedUser.getIdentifier() != UserHandle.myUserId()) {
-            // TODO: Factor out intent starting in a method in Utils class. See: http://b/16645615
             Intent intent = new Intent(Settings.ACTION_APPLICATION_SETTINGS);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             mContext.startActivityAsUser(intent, selectedUser);

src/com/android/settings/notification/AppNotificationSettings.java

@@ -53,10 +53,11 @@ import android.widget.SectionIndexer;
 import android.widget.Spinner;
 import android.widget.TextView;
 
+import com.android.settings.Settings.AppNotificationSettingsActivity;
 import com.android.settings.PinnedHeaderListFragment;
 import com.android.settings.R;
 import com.android.settings.UserSpinnerAdapter;
-import com.android.settings.UserSpinnerAdapter.UserDetails;
+import com.android.settings.Utils;
 
 import java.text.Collator;
 import java.util.ArrayList;
@@ -108,21 +109,10 @@ public class AppNotificationSettings extends PinnedHeaderListFragment
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
-        List<UserHandle> userProfiles = um.getUserProfiles();
+        mProfileSpinnerAdapter = Utils.createUserSpinnerAdapter(um, mContext);
-        if (userProfiles.size() >= 2) {
+        if (mProfileSpinnerAdapter != null) {
             Spinner spinner = (Spinner) getActivity().getLayoutInflater().inflate(
                     R.layout.spinner_view, null);
-            // TODO: Factor out spinner creation in a method in Utils class. See: http://b/16645615
-            UserHandle myUserHandle = new UserHandle(UserHandle.myUserId());
-            userProfiles.remove(myUserHandle);
-            userProfiles.add(0, myUserHandle);
-            ArrayList<UserDetails> userDetails = new ArrayList<UserDetails>(userProfiles.size());
-            final int count = userProfiles.size();
-            for (int i = 0; i < count; i++) {
-                userDetails.add(new UserDetails(userProfiles.get(i), um, mContext));
-            }
-
-            mProfileSpinnerAdapter = new UserSpinnerAdapter(mContext, userDetails);
             spinner.setAdapter(mProfileSpinnerAdapter);
             spinner.setOnItemSelectedListener(this);
             setPinnedHeaderView(spinner);
@@ -159,10 +149,7 @@ public class AppNotificationSettings extends PinnedHeaderListFragment
     public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
         UserHandle selectedUser = mProfileSpinnerAdapter.getUserHandle(position);
         if (selectedUser.getIdentifier() != UserHandle.myUserId()) {
-            // TODO: Factor out intent starting in a method in Utils class. See: http://b/16645615
+            Intent intent = new Intent(getActivity(), AppNotificationSettingsActivity.class);
-            Intent intent = new Intent();
-            intent.setClassName(mContext.getPackageName(),
-                    com.android.settings.Settings.AppNotificationSettingsActivity.class.getName());
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             mContext.startActivityAsUser(intent, selectedUser);
             getActivity().finish();

src/com/android/settings/print/PrintSettingsFragment.java

@@ -16,7 +16,6 @@
 
 package com.android.settings.print;
 
-import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.LoaderManager.LoaderCallbacks;
 import android.content.AsyncTaskLoader;
@@ -63,6 +62,7 @@ import com.android.settings.UserSpinnerAdapter.UserDetails;
 import com.android.settings.DialogCreatable;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 import com.android.settings.search.SearchIndexableRaw;
@@ -182,21 +182,10 @@ public class PrintSettingsFragment extends SettingsPreferenceFragment
         getListView().setEmptyView(emptyView);
 
         final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
-        List<UserHandle> userProfiles = um.getUserProfiles();
+        mProfileSpinnerAdapter = Utils.createUserSpinnerAdapter(um, getActivity());
-        if (userProfiles.size() >= 2) {
+        if (mProfileSpinnerAdapter != null) {
             Spinner spinner = (Spinner) getActivity().getLayoutInflater().inflate(
                     R.layout.spinner_view, null);
-
-            UserHandle myUserHandle = Process.myUserHandle();
-            userProfiles.remove(myUserHandle);
-            userProfiles.add(0, myUserHandle);
-            ArrayList<UserDetails> userDetails = new ArrayList<UserDetails>(userProfiles.size());
-            final int count = userProfiles.size();
-            for (int i = 0; i < count; i++) {
-                userDetails.add(new UserDetails(userProfiles.get(i), um, getActivity()));
-            }
-
-            mProfileSpinnerAdapter = new UserSpinnerAdapter(getActivity(), userDetails);
             spinner.setAdapter(mProfileSpinnerAdapter);
             spinner.setOnItemSelectedListener(this);
             setPinnedHeaderView(spinner);