1 /*
2  * Copyright (C) 2020 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.settings.network;
18 
19 import android.app.AlertDialog;
20 import android.app.Dialog;
21 import android.app.settings.SettingsEnums;
22 import android.content.Context;
23 import android.content.DialogInterface;
24 import android.os.AsyncTask;
25 import android.os.Bundle;
26 import android.os.RecoverySystem;
27 import android.util.Log;
28 
29 import androidx.annotation.NonNull;
30 import androidx.annotation.Nullable;
31 import androidx.fragment.app.Fragment;
32 import androidx.fragment.app.FragmentManager;
33 
34 import com.android.settings.R;
35 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
36 import com.android.settings.network.helper.ConfirmationSimDeletionPredicate;
37 import com.android.settings.system.ResetDashboardFragment;
38 import com.android.settings.wifi.dpp.WifiDppUtils;
39 
40 public class EraseEuiccDataDialogFragment extends InstrumentedDialogFragment implements
41         DialogInterface.OnClickListener {
42 
43     public static final String TAG = "EraseEuiccDataDlg";
44     private static final String PACKAGE_NAME_EUICC_DATA_MANAGEMENT_CALLBACK =
45             "com.android.settings.network";
46 
show(ResetDashboardFragment host)47     public static void show(ResetDashboardFragment host) {
48         final EraseEuiccDataDialogFragment dialog = new EraseEuiccDataDialogFragment();
49         dialog.setTargetFragment(host, 0 /* requestCode */);
50         final FragmentManager manager = host.getActivity().getSupportFragmentManager();
51         dialog.show(manager, TAG);
52     }
53 
54     @Override
getMetricsCategory()55     public int getMetricsCategory() {
56         return SettingsEnums.RESET_EUICC;
57     }
58 
59     @NonNull
60     @Override
onCreateDialog(@ullable Bundle savedInstanceState)61     public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
62         return new AlertDialog.Builder(getActivity())
63                 .setTitle(R.string.reset_esim_title)
64                 .setMessage(R.string.reset_esim_desc)
65                 .setPositiveButton(R.string.erase_euicc_data_button, this)
66                 .setNegativeButton(R.string.cancel, null)
67                 .setOnDismissListener(this)
68                 .create();
69     }
70 
71     @Override
onClick(DialogInterface dialog, int which)72     public void onClick(DialogInterface dialog, int which) {
73         final Fragment fragment = getTargetFragment();
74         if (!(fragment instanceof ResetDashboardFragment)) {
75             Log.e(TAG, "getTargetFragment return unexpected type");
76         }
77 
78         if (which == DialogInterface.BUTTON_POSITIVE) {
79             Context context = getContext();
80             if (ConfirmationSimDeletionPredicate.getSingleton().test(context)) {
81                 // Create a "verify it's you" verification over keyguard
82                 // when "erase" button been pressed.
83                 // This might protect from erasing by some automation process.
84                 WifiDppUtils.showLockScreen(context, () -> runAsyncWipe(context));
85             } else {
86                 runAsyncWipe(context);
87             }
88         }
89     }
90 
runAsyncWipe(Context context)91     private void runAsyncWipe(Context context) {
92         AsyncTask.execute(new Runnable() {
93             @Override
94             public void run() {
95                 RecoverySystem.wipeEuiccData(
96                         context, PACKAGE_NAME_EUICC_DATA_MANAGEMENT_CALLBACK);
97             }
98         });
99     }
100 }
101