1 /* 2 * Copyright (C) 2015 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.settings.applications; 17 18 import static android.app.AppOpsManager.OP_GET_USAGE_STATS; 19 import static android.app.AppOpsManager.OP_LOADER_USAGE_STATS; 20 21 import android.Manifest; 22 import android.app.AppOpsManager; 23 import android.app.admin.DevicePolicyManager; 24 import android.app.settings.SettingsEnums; 25 import android.content.ComponentName; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.pm.PackageManager; 29 import android.content.pm.ResolveInfo; 30 import android.os.Bundle; 31 import android.provider.Settings; 32 33 import androidx.annotation.VisibleForTesting; 34 import androidx.appcompat.app.AlertDialog; 35 import androidx.preference.Preference; 36 import androidx.preference.Preference.OnPreferenceChangeListener; 37 import androidx.preference.Preference.OnPreferenceClickListener; 38 import androidx.preference.SwitchPreference; 39 40 import com.android.settings.R; 41 import com.android.settings.applications.AppStateUsageBridge.UsageState; 42 import com.android.settings.overlay.FeatureFactory; 43 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 44 45 public class UsageAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener, 46 OnPreferenceClickListener { 47 48 private static final String KEY_APP_OPS_PREFERENCE_SCREEN = "app_ops_preference_screen"; 49 private static final String KEY_APP_OPS_SETTINGS_SWITCH = "app_ops_settings_switch"; 50 private static final String KEY_APP_OPS_SETTINGS_DESC = "app_ops_settings_description"; 51 52 // Use a bridge to get the usage stats but don't initialize it to connect with all state. 53 // TODO: Break out this functionality into its own class. 54 private AppStateUsageBridge mUsageBridge; 55 private AppOpsManager mAppOpsManager; 56 private SwitchPreference mSwitchPref; 57 private Preference mUsageDesc; 58 private Intent mSettingsIntent; 59 private UsageState mUsageState; 60 private DevicePolicyManager mDpm; 61 62 @Override onCreate(Bundle savedInstanceState)63 public void onCreate(Bundle savedInstanceState) { 64 super.onCreate(savedInstanceState); 65 66 Context context = getActivity(); 67 mUsageBridge = new AppStateUsageBridge(context, mState, null); 68 mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); 69 mDpm = context.getSystemService(DevicePolicyManager.class); 70 71 addPreferencesFromResource(R.xml.app_ops_permissions_details); 72 mSwitchPref = (SwitchPreference) findPreference(KEY_APP_OPS_SETTINGS_SWITCH); 73 mUsageDesc = findPreference(KEY_APP_OPS_SETTINGS_DESC); 74 75 getPreferenceScreen().setTitle(R.string.usage_access); 76 mSwitchPref.setTitle(R.string.permit_usage_access); 77 mUsageDesc.setTitle(R.string.usage_access_description); 78 79 mSwitchPref.setOnPreferenceChangeListener(this); 80 81 mSettingsIntent = new Intent(Intent.ACTION_MAIN) 82 .addCategory(Settings.INTENT_CATEGORY_USAGE_ACCESS_CONFIG) 83 .setPackage(mPackageName); 84 } 85 86 @Override onPreferenceClick(Preference preference)87 public boolean onPreferenceClick(Preference preference) { 88 return false; 89 } 90 91 @Override onPreferenceChange(Preference preference, Object newValue)92 public boolean onPreferenceChange(Preference preference, Object newValue) { 93 if (preference == mSwitchPref) { 94 if (mUsageState != null && (Boolean) newValue != mUsageState.isPermissible()) { 95 if (mUsageState.isPermissible() && mDpm.isProfileOwnerApp(mPackageName)) { 96 new AlertDialog.Builder(getContext()) 97 .setIcon(com.android.internal.R.drawable.ic_dialog_alert_material) 98 .setTitle(android.R.string.dialog_alert_title) 99 .setMessage(R.string.work_profile_usage_access_warning) 100 .setPositiveButton(R.string.okay, null) 101 .show(); 102 } 103 setHasAccess(!mUsageState.isPermissible()); 104 refreshUi(); 105 } 106 return true; 107 } 108 return false; 109 } 110 doesAnyPermissionMatch(String permissionToMatch, String[] permissions)111 private static boolean doesAnyPermissionMatch(String permissionToMatch, String[] permissions) { 112 for (String permission : permissions) { 113 if (permissionToMatch.equals(permission)) { 114 return true; 115 } 116 } 117 return false; 118 } 119 setHasAccess(boolean newState)120 private void setHasAccess(boolean newState) { 121 logSpecialPermissionChange(newState, mPackageName); 122 123 final int newAppOpMode = newState ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED; 124 final int uid = mPackageInfo.applicationInfo.uid; 125 if (doesAnyPermissionMatch(Manifest.permission.PACKAGE_USAGE_STATS, 126 mUsageState.packageInfo.requestedPermissions)) { 127 mAppOpsManager.setMode(OP_GET_USAGE_STATS, uid, mPackageName, newAppOpMode); 128 } 129 if (doesAnyPermissionMatch(Manifest.permission.LOADER_USAGE_STATS, 130 mUsageState.packageInfo.requestedPermissions)) { 131 mAppOpsManager.setMode(OP_LOADER_USAGE_STATS, uid, mPackageName, newAppOpMode); 132 } 133 } 134 135 @VisibleForTesting logSpecialPermissionChange(boolean newState, String packageName)136 void logSpecialPermissionChange(boolean newState, String packageName) { 137 int logCategory = newState ? SettingsEnums.APP_SPECIAL_PERMISSION_USAGE_VIEW_ALLOW 138 : SettingsEnums.APP_SPECIAL_PERMISSION_USAGE_VIEW_DENY; 139 final MetricsFeatureProvider metricsFeatureProvider = 140 FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider(); 141 metricsFeatureProvider.action( 142 metricsFeatureProvider.getAttribution(getActivity()), 143 logCategory, 144 getMetricsCategory(), 145 packageName, 146 0); 147 } 148 149 @Override refreshUi()150 protected boolean refreshUi() { 151 retrieveAppEntry(); 152 if (mAppEntry == null) { 153 return false; 154 } 155 if (mPackageInfo == null) { 156 return false; // onCreate must have failed, make sure to exit 157 } 158 mUsageState = mUsageBridge.getUsageInfo(mPackageName, 159 mPackageInfo.applicationInfo.uid); 160 161 boolean hasAccess = mUsageState.isPermissible(); 162 mSwitchPref.setChecked(hasAccess); 163 mSwitchPref.setEnabled(mUsageState.permissionDeclared); 164 165 ResolveInfo resolveInfo = mPm.resolveActivityAsUser(mSettingsIntent, 166 PackageManager.GET_META_DATA, mUserId); 167 if (resolveInfo != null) { 168 Bundle metaData = resolveInfo.activityInfo.metaData; 169 mSettingsIntent.setComponent(new ComponentName(resolveInfo.activityInfo.packageName, 170 resolveInfo.activityInfo.name)); 171 if (metaData != null 172 && metaData.containsKey(Settings.METADATA_USAGE_ACCESS_REASON)) { 173 mSwitchPref.setSummary( 174 metaData.getString(Settings.METADATA_USAGE_ACCESS_REASON)); 175 } 176 } 177 178 return true; 179 } 180 181 @Override createDialog(int id, int errorCode)182 protected AlertDialog createDialog(int id, int errorCode) { 183 return null; 184 } 185 186 @Override getMetricsCategory()187 public int getMetricsCategory() { 188 return SettingsEnums.APPLICATIONS_USAGE_ACCESS_DETAIL; 189 } 190 191 } 192