1 /* 2 * Copyright (C) 2018 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.tv.settings.device.apps.specialaccess; 18 19 import android.Manifest; 20 import android.app.AppOpsManager; 21 import android.os.Bundle; 22 23 import androidx.annotation.Keep; 24 import androidx.annotation.NonNull; 25 import androidx.preference.Preference; 26 import androidx.preference.PreferenceGroup; 27 import androidx.preference.SwitchPreference; 28 import androidx.preference.TwoStatePreference; 29 30 import com.android.internal.logging.nano.MetricsProto; 31 import com.android.settingslib.applications.ApplicationsState; 32 import com.android.tv.settings.R; 33 34 /** 35 * Fragment for managing apps which can write system settings 36 */ 37 @Keep 38 public class WriteSettings extends ManageAppOp { 39 40 private AppOpsManager mAppOpsManager; 41 42 @Override getMetricsCategory()43 public int getMetricsCategory() { 44 return MetricsProto.MetricsEvent.SYSTEM_ALERT_WINDOW_APPS; 45 } 46 47 @Override onCreate(Bundle savedInstanceState)48 public void onCreate(Bundle savedInstanceState) { 49 super.onCreate(savedInstanceState); 50 mAppOpsManager = getContext().getSystemService(AppOpsManager.class); 51 } 52 53 @Override getAppOpsOpCode()54 public int getAppOpsOpCode() { 55 return AppOpsManager.OP_WRITE_SETTINGS; 56 } 57 58 @Override getPermission()59 public String getPermission() { 60 return Manifest.permission.WRITE_SETTINGS; 61 } 62 63 @Override onCreatePreferences(Bundle savedInstanceState, String rootKey)64 public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { 65 setPreferencesFromResource(R.xml.write_settings, null); 66 } 67 68 @NonNull 69 @Override bindPreference(@onNull Preference preference, ApplicationsState.AppEntry entry)70 public Preference bindPreference(@NonNull Preference preference, 71 ApplicationsState.AppEntry entry) { 72 final TwoStatePreference switchPref = (SwitchPreference) preference; 73 switchPref.setTitle(entry.label); 74 switchPref.setKey(entry.info.packageName); 75 switchPref.setIcon(entry.icon); 76 switchPref.setOnPreferenceChangeListener((pref, newValue) -> { 77 setWriteSettingsAccess(entry, (Boolean) newValue); 78 return true; 79 }); 80 81 switchPref.setSummary(getPreferenceSummary(entry)); 82 switchPref.setChecked(((PermissionState) entry.extraInfo).isAllowed()); 83 84 return switchPref; 85 } 86 setWriteSettingsAccess(ApplicationsState.AppEntry entry, Boolean grant)87 private void setWriteSettingsAccess(ApplicationsState.AppEntry entry, Boolean grant) { 88 mAppOpsManager.setMode(AppOpsManager.OP_WRITE_SETTINGS, 89 entry.info.uid, entry.info.packageName, 90 grant ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_ERRORED); 91 } 92 93 @NonNull 94 @Override createAppPreference()95 public Preference createAppPreference() { 96 return new SwitchPreference(getPreferenceManager().getContext()); 97 } 98 99 @NonNull 100 @Override getAppPreferenceGroup()101 public PreferenceGroup getAppPreferenceGroup() { 102 return getPreferenceScreen(); 103 } 104 getPreferenceSummary(ApplicationsState.AppEntry entry)105 private CharSequence getPreferenceSummary(ApplicationsState.AppEntry entry) { 106 if (entry.extraInfo instanceof PermissionState) { 107 return getContext().getText(((PermissionState) entry.extraInfo).isAllowed() 108 ? R.string.write_settings_on 109 : R.string.write_settings_off); 110 } else { 111 return null; 112 } 113 } 114 115 } 116