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 import static android.app.admin.DevicePolicyResources.Strings.Settings.WORK_PROFILE_DISABLE_USAGE_ACCESS_WARNING; 21 22 import android.Manifest; 23 import android.app.AppOpsManager; 24 import android.app.admin.DevicePolicyManager; 25 import android.app.settings.SettingsEnums; 26 import android.content.ComponentName; 27 import android.content.Context; 28 import android.content.Intent; 29 import android.content.pm.PackageManager; 30 import android.content.pm.ResolveInfo; 31 import android.os.Bundle; 32 import android.provider.Settings; 33 import android.text.TextUtils; 34 import android.util.Log; 35 36 import androidx.annotation.VisibleForTesting; 37 import androidx.appcompat.app.AlertDialog; 38 import androidx.preference.Preference; 39 import androidx.preference.Preference.OnPreferenceChangeListener; 40 import androidx.preference.Preference.OnPreferenceClickListener; 41 import androidx.preference.SwitchPreference; 42 43 import com.android.settings.R; 44 import com.android.settings.applications.AppStateUsageBridge.UsageState; 45 import com.android.settings.overlay.FeatureFactory; 46 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 47 48 public class UsageAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener, 49 OnPreferenceClickListener { 50 51 private static final String TAG = UsageAccessDetails.class.getSimpleName(); 52 private static final String KEY_APP_OPS_PREFERENCE_SCREEN = "app_ops_preference_screen"; 53 private static final String KEY_APP_OPS_SETTINGS_SWITCH = "app_ops_settings_switch"; 54 private static final String KEY_APP_OPS_SETTINGS_DESC = "app_ops_settings_description"; 55 56 // Use a bridge to get the usage stats but don't initialize it to connect with all state. 57 // TODO: Break out this functionality into its own class. 58 private AppStateUsageBridge mUsageBridge; 59 private AppOpsManager mAppOpsManager; 60 private SwitchPreference mSwitchPref; 61 private Preference mUsageDesc; 62 private Intent mSettingsIntent; 63 private UsageState mUsageState; 64 private DevicePolicyManager mDpm; 65 66 @Override onCreate(Bundle savedInstanceState)67 public void onCreate(Bundle savedInstanceState) { 68 super.onCreate(savedInstanceState); 69 70 Context context = getActivity(); 71 if (TextUtils.equals(mPackageName, context.getPackageName())) { 72 Log.w(TAG, "Unsupported app package."); 73 finish(); 74 } 75 76 mUsageBridge = new AppStateUsageBridge(context, mState, null); 77 mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); 78 mDpm = context.getSystemService(DevicePolicyManager.class); 79 80 addPreferencesFromResource(R.xml.app_ops_permissions_details); 81 mSwitchPref = (SwitchPreference) findPreference(KEY_APP_OPS_SETTINGS_SWITCH); 82 mUsageDesc = findPreference(KEY_APP_OPS_SETTINGS_DESC); 83 84 getPreferenceScreen().setTitle(R.string.usage_access); 85 mSwitchPref.setTitle(R.string.permit_usage_access); 86 mUsageDesc.setTitle(R.string.usage_access_description); 87 88 mSwitchPref.setOnPreferenceChangeListener(this); 89 90 mSettingsIntent = new Intent(Intent.ACTION_MAIN) 91 .addCategory(Settings.INTENT_CATEGORY_USAGE_ACCESS_CONFIG) 92 .setPackage(mPackageName); 93 } 94 95 @Override onPreferenceClick(Preference preference)96 public boolean onPreferenceClick(Preference preference) { 97 return false; 98 } 99 100 @Override onPreferenceChange(Preference preference, Object newValue)101 public boolean onPreferenceChange(Preference preference, Object newValue) { 102 if (preference == mSwitchPref) { 103 if (mUsageState != null && (Boolean) newValue != mUsageState.isPermissible()) { 104 if (mUsageState.isPermissible() && mDpm.isProfileOwnerApp(mPackageName)) { 105 new AlertDialog.Builder(getContext()) 106 .setIcon(com.android.internal.R.drawable.ic_dialog_alert_material) 107 .setTitle(android.R.string.dialog_alert_title) 108 .setMessage(mDpm.getResources().getString( 109 WORK_PROFILE_DISABLE_USAGE_ACCESS_WARNING, 110 () -> getString(R.string.work_profile_usage_access_warning))) 111 .setPositiveButton(R.string.okay, null) 112 .show(); 113 } 114 setHasAccess(!mUsageState.isPermissible()); 115 refreshUi(); 116 } 117 return true; 118 } 119 return false; 120 } 121 doesAnyPermissionMatch(String permissionToMatch, String[] permissions)122 private static boolean doesAnyPermissionMatch(String permissionToMatch, String[] permissions) { 123 for (String permission : permissions) { 124 if (permissionToMatch.equals(permission)) { 125 return true; 126 } 127 } 128 return false; 129 } 130 setHasAccess(boolean newState)131 private void setHasAccess(boolean newState) { 132 logSpecialPermissionChange(newState, mPackageName); 133 134 final int newAppOpMode = newState ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED; 135 final int uid = mPackageInfo.applicationInfo.uid; 136 if (doesAnyPermissionMatch(Manifest.permission.PACKAGE_USAGE_STATS, 137 mUsageState.packageInfo.requestedPermissions)) { 138 mAppOpsManager.setMode(OP_GET_USAGE_STATS, uid, mPackageName, newAppOpMode); 139 } 140 if (doesAnyPermissionMatch(Manifest.permission.LOADER_USAGE_STATS, 141 mUsageState.packageInfo.requestedPermissions)) { 142 mAppOpsManager.setMode(OP_LOADER_USAGE_STATS, uid, mPackageName, newAppOpMode); 143 } 144 } 145 146 @VisibleForTesting logSpecialPermissionChange(boolean newState, String packageName)147 void logSpecialPermissionChange(boolean newState, String packageName) { 148 int logCategory = newState ? SettingsEnums.APP_SPECIAL_PERMISSION_USAGE_VIEW_ALLOW 149 : SettingsEnums.APP_SPECIAL_PERMISSION_USAGE_VIEW_DENY; 150 final MetricsFeatureProvider metricsFeatureProvider = 151 FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider(); 152 metricsFeatureProvider.action( 153 metricsFeatureProvider.getAttribution(getActivity()), 154 logCategory, 155 getMetricsCategory(), 156 packageName, 157 0); 158 } 159 160 @Override refreshUi()161 protected boolean refreshUi() { 162 retrieveAppEntry(); 163 if (mAppEntry == null) { 164 return false; 165 } 166 if (mPackageInfo == null) { 167 return false; // onCreate must have failed, make sure to exit 168 } 169 mUsageState = mUsageBridge.getUsageInfo(mPackageName, 170 mPackageInfo.applicationInfo.uid); 171 172 boolean hasAccess = mUsageState.isPermissible(); 173 mSwitchPref.setChecked(hasAccess); 174 mSwitchPref.setEnabled(mUsageState.permissionDeclared); 175 176 ResolveInfo resolveInfo = mPm.resolveActivityAsUser(mSettingsIntent, 177 PackageManager.GET_META_DATA, mUserId); 178 if (resolveInfo != null) { 179 Bundle metaData = resolveInfo.activityInfo.metaData; 180 mSettingsIntent.setComponent(new ComponentName(resolveInfo.activityInfo.packageName, 181 resolveInfo.activityInfo.name)); 182 if (metaData != null 183 && metaData.containsKey(Settings.METADATA_USAGE_ACCESS_REASON)) { 184 mSwitchPref.setSummary( 185 metaData.getString(Settings.METADATA_USAGE_ACCESS_REASON)); 186 } 187 } 188 189 return true; 190 } 191 192 @Override createDialog(int id, int errorCode)193 protected AlertDialog createDialog(int id, int errorCode) { 194 return null; 195 } 196 197 @Override getMetricsCategory()198 public int getMetricsCategory() { 199 return SettingsEnums.APPLICATIONS_USAGE_ACCESS_DETAIL; 200 } 201 202 } 203