ConvertToFbe.java revision 81682a42cf81585966700c239966c45b9c0e1e24 
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 */
16package com.android.settings.applications;
17
18import android.app.Activity;
19import android.content.Intent;
20import android.content.res.Resources;
21import android.os.Bundle;
22import android.view.LayoutInflater;
23import android.view.View;
24import android.view.ViewGroup;
25import android.widget.Button;
26
27import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
28import com.android.settings.ChooseLockSettingsHelper;
29import com.android.settings.R;
30import com.android.settings.SettingsActivity;
31import com.android.settings.core.InstrumentedFragment;
32
33/* Class to prompt for conversion of userdata to file based encryption
34 */
35public class ConvertToFbe extends InstrumentedFragment {
36    static final String TAG = "ConvertToFBE";
37    static final String CONVERT_FBE_EXTRA = "ConvertFBE";
38    private static final int KEYGUARD_REQUEST = 55;
39
40    private boolean runKeyguardConfirmation(int request) {
41        Resources res = getActivity().getResources();
42        return new ChooseLockSettingsHelper(getActivity(), this)
43            .launchConfirmationActivity(request,
44                                        res.getText(R.string.convert_to_file_encryption));
45    }
46
47    @Override
48    public View onCreateView(LayoutInflater inflater, ViewGroup container,
49                Bundle savedInstanceState) {
50        View rootView = inflater.inflate(R.layout.convert_fbe, null);
51
52        final Button button = (Button) rootView.findViewById(R.id.button_convert_fbe);
53        button.setOnClickListener(new View.OnClickListener() {
54            public void onClick(View v) {
55                if(!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
56                    convert();
57                }
58            }
59        });
60
61        return rootView;
62    }
63
64    @Override
65    public void onActivityResult(int requestCode, int resultCode, Intent data) {
66        super.onActivityResult(requestCode, resultCode, data);
67
68        if (requestCode != KEYGUARD_REQUEST) {
69            return;
70        }
71
72        // If the user entered a valid keyguard credential, start the conversion
73        // process
74        if (resultCode == Activity.RESULT_OK) {
75            convert();
76        }
77    }
78
79    private void convert() {
80        SettingsActivity sa = (SettingsActivity) getActivity();
81        sa.startPreferencePanel(this, ConfirmConvertToFbe.class.getName(), null,
82                                R.string.convert_to_file_encryption, null, null, 0);
83    }
84
85    @Override
86    public int getMetricsCategory() {
87        return MetricsEvent.CONVERT_FBE;
88    }
89}
90