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 package com.android.packageinstaller.permission.ui.handheld; 17 18 import android.app.FragmentTransaction; 19 import android.preference.Preference; 20 import android.preference.PreferenceScreen; 21 import android.view.MenuItem; 22 23 import com.android.packageinstaller.R; 24 import com.android.packageinstaller.permission.model.PermissionGroup; 25 import com.android.packageinstaller.permission.utils.Utils; 26 27 import java.util.List; 28 29 /** 30 * Fragment that allows the user to manage standard permissions. 31 */ 32 public final class ManageStandardPermissionsFragment extends ManagePermissionsFragment { 33 private static final String EXTRA_PREFS_KEY = "extra_prefs_key"; 34 35 /** 36 * @return A new fragment 37 */ newInstance()38 public static ManageStandardPermissionsFragment newInstance() { 39 return new ManageStandardPermissionsFragment(); 40 } 41 42 @Override onStart()43 public void onStart() { 44 super.onStart(); 45 46 getActivity().setTitle(com.android.packageinstaller.R.string.app_permissions); 47 } 48 49 50 @Override onOptionsItemSelected(MenuItem item)51 public boolean onOptionsItemSelected(MenuItem item) { 52 if (item.getItemId() == android.R.id.home) { 53 getActivity().finish(); 54 return true; 55 } 56 return super.onOptionsItemSelected(item); 57 } 58 59 @Override updatePermissionsUi()60 protected void updatePermissionsUi() { 61 PreferenceScreen screen = updatePermissionsUi(true); 62 if (screen == null) { 63 return; 64 } 65 66 // Check if we need an additional permissions preference 67 List<PermissionGroup> groups = getPermissions().getGroups(); 68 int numExtraPermissions = 0; 69 for (PermissionGroup group : groups) { 70 if (!group.getDeclaringPackage().equals(ManagePermissionsFragment.OS_PKG)) { 71 numExtraPermissions++; 72 } 73 } 74 75 Preference additionalPermissionsPreference = screen.findPreference(EXTRA_PREFS_KEY); 76 if (numExtraPermissions == 0) { 77 if (additionalPermissionsPreference != null) { 78 screen.removePreference(additionalPermissionsPreference); 79 } 80 } else { 81 if (additionalPermissionsPreference == null) { 82 additionalPermissionsPreference = new Preference(getActivity()); 83 additionalPermissionsPreference.setKey(EXTRA_PREFS_KEY); 84 additionalPermissionsPreference.setIcon(Utils.applyTint(getActivity(), 85 R.drawable.ic_more_items, 86 android.R.attr.colorControlNormal)); 87 additionalPermissionsPreference.setTitle(R.string.additional_permissions); 88 additionalPermissionsPreference.setOnPreferenceClickListener(preference -> { 89 ManageCustomPermissionsFragment frag = 90 new ManageCustomPermissionsFragment(); 91 frag.setTargetFragment(ManageStandardPermissionsFragment.this, 0); 92 FragmentTransaction ft = getFragmentManager().beginTransaction(); 93 ft.replace(android.R.id.content, frag); 94 ft.addToBackStack(null); 95 ft.commit(); 96 return true; 97 }); 98 99 screen.addPreference(additionalPermissionsPreference); 100 } 101 102 additionalPermissionsPreference.setSummary(getResources().getQuantityString( 103 R.plurals.additional_permissions_more, numExtraPermissions, 104 numExtraPermissions)); 105 } 106 } 107 } 108