1 /* 2 * Copyright (C) 2021 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.managedprovisioning.preprovisioning; 18 19 20 import static android.app.admin.DevicePolicyManager.EXTRA_PROVISIONING_SUPPORTED_MODES; 21 import static android.app.admin.DevicePolicyManager.FLAG_SUPPORTED_MODES_DEVICE_OWNER; 22 23 import android.app.Activity; 24 import android.app.admin.DevicePolicyManager; 25 import android.content.DialogInterface; 26 import android.content.Intent; 27 import android.os.Bundle; 28 29 import androidx.appcompat.app.AlertDialog; 30 31 import com.android.managedprovisioning.R; 32 import com.android.managedprovisioning.common.ProvisionLogger; 33 import com.android.managedprovisioning.common.SettingsFacade; 34 import com.android.managedprovisioning.common.ThemedAlertDialog; 35 36 import com.google.android.setupdesign.util.DeviceHelper; 37 38 //TODO(b/181323689) Create tests for activity 39 //TODO(b/213177227) Extract business logic to a controller for testability 40 public class PreProvisioningActivityViaNfc extends Activity { 41 @Override onCreate(Bundle savedInstanceState)42 protected void onCreate(Bundle savedInstanceState) { 43 super.onCreate(savedInstanceState); 44 45 if (new SettingsFacade().isDeviceProvisioned(this)) { 46 ProvisionLogger.loge("Device already provisioned, aborting NFC provisioning."); 47 createDeviceAlreadySetupDialog().show(); 48 } else { 49 Intent provisioningIntent = transformIntentToProvisioningIntent(); 50 if (provisioningIntent != null) { 51 Intent provisioningIntentWithAdditionalExtras = 52 addAdditionalExtras(provisioningIntent); 53 startActivity(provisioningIntentWithAdditionalExtras); 54 finish(); 55 } else { 56 ProvisionLogger.loge("NFC tag data is invalid."); 57 createCantSetupDeviceDialog().show(); 58 } 59 } 60 } 61 addAdditionalExtras(Intent provisioningIntent)62 private Intent addAdditionalExtras(Intent provisioningIntent) { 63 return new Intent(provisioningIntent).putExtra( 64 EXTRA_PROVISIONING_SUPPORTED_MODES, FLAG_SUPPORTED_MODES_DEVICE_OWNER); 65 } 66 transformIntentToProvisioningIntent()67 private Intent transformIntentToProvisioningIntent() { 68 DevicePolicyManager devicePolicyManager = 69 getApplicationContext().getSystemService(DevicePolicyManager.class); 70 return devicePolicyManager.createProvisioningIntentFromNfcIntent(getIntent()); 71 } 72 createCantSetupDeviceDialog()73 private AlertDialog createCantSetupDeviceDialog() { 74 return ThemedAlertDialog.newBuilder(this) 75 .setMessage(R.string.contact_your_admin_for_help) 76 .setTitle(R.string.cant_set_up_device) 77 .setPositiveButton(android.R.string.ok, createDialogOnClickListener()) 78 .setCancelable(false) 79 .create(); 80 } 81 createDeviceAlreadySetupDialog()82 private AlertDialog createDeviceAlreadySetupDialog() { 83 var context = getApplicationContext(); 84 return ThemedAlertDialog.newBuilder(this) 85 .setMessage(R.string.if_questions_contact_admin) 86 .setTitle(context.getString( 87 R.string.device_already_set_up, DeviceHelper.getDeviceName(context))) 88 .setPositiveButton(android.R.string.ok, createDialogOnClickListener()) 89 .setCancelable(false) 90 .create(); 91 } 92 createDialogOnClickListener()93 private DialogInterface.OnClickListener createDialogOnClickListener() { 94 return (dialog, id) -> finish(); 95 } 96 } 97