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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.utils;
     18 
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.os.Bundle;
     22 import android.os.UserHandle;
     23 import android.os.UserManager;
     24 import android.view.View;
     25 import android.widget.AdapterView;
     26 import android.widget.Spinner;
     27 
     28 import com.android.settings.R;
     29 import com.android.settings.SettingsPreferenceFragment;
     30 import com.android.settingslib.drawer.UserAdapter;
     31 
     32 /**
     33  * Base fragment class for per profile settings.
     34  */
     35 public abstract class ProfileSettingsPreferenceFragment extends SettingsPreferenceFragment {
     36 
     37     @Override
     38     public void onViewCreated(View view, Bundle savedInstanceState) {
     39         super.onViewCreated(view, savedInstanceState);
     40         final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
     41         final UserAdapter profileSpinnerAdapter =
     42                 UserAdapter.createUserSpinnerAdapter(um, getActivity());
     43         if (profileSpinnerAdapter != null) {
     44             final Spinner spinner = (Spinner) setPinnedHeaderView(R.layout.spinner_view);
     45             spinner.setAdapter(profileSpinnerAdapter);
     46             spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
     47                 @Override
     48                 public void onItemSelected(AdapterView<?> parent, View view, int position,
     49                                            long id) {
     50                     UserHandle selectedUser = profileSpinnerAdapter.getUserHandle(position);
     51                     if (selectedUser.getIdentifier() != UserHandle.myUserId()) {
     52                         Intent intent = new Intent(getIntentActionString());
     53                         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     54                         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
     55                         getActivity().startActivityAsUser(intent, selectedUser);
     56                         // Go back to default selection, which is the first one
     57                         spinner.setSelection(0);
     58                     }
     59                 }
     60 
     61                 @Override
     62                 public void onNothingSelected(AdapterView<?> parent) {
     63                     // Nothing to do
     64                 }
     65             });
     66         }
     67     }
     68 
     69     /**
     70      * @return intent action string that will bring user to this fragment.
     71      */
     72     protected abstract String getIntentActionString();
     73 
     74 }
     75