2 * Copyright (C) 2018 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.settings.wifi.dpp;
19 import android.app.ActionBar;
20 import android.app.settings.SettingsEnums;
21 import android.content.Context;
22 import android.graphics.Bitmap;
23 import android.os.Bundle;
24 import android.util.Log;
25 import android.view.LayoutInflater;
26 import android.view.Menu;
27 import android.view.MenuInflater;
28 import android.view.MenuItem;
29 import android.view.View;
30 import android.view.ViewGroup;
31 import android.widget.ImageView;
33 import com.android.settings.R;
34 import com.android.settings.wifi.qrcode.QrCodeGenerator;
36 import com.google.zxing.WriterException;
39 * After sharing a saved Wi-Fi network, {@code WifiDppConfiguratorActivity} start with this fragment
40 * to generate a Wi-Fi DPP QR code for other device to initiate as an enrollee.
42 public class WifiDppQrCodeGeneratorFragment extends WifiDppQrCodeBaseFragment {
43 private static final String TAG = "WifiDppQrCodeGeneratorFragment";
45 private ImageView mQrCodeView;
46 private String mQrCode;
49 public int getMetricsCategory() {
50 return SettingsEnums.SETTINGS_WIFI_DPP_CONFIGURATOR;
53 // Container Activity must implement this interface
54 public interface OnQrCodeGeneratorFragmentAddButtonClickedListener {
55 public void onQrCodeGeneratorFragmentAddButtonClicked();
57 OnQrCodeGeneratorFragmentAddButtonClickedListener mListener;
60 public void onActivityCreated(Bundle savedInstanceState) {
61 super.onActivityCreated(savedInstanceState);
63 setHasOptionsMenu(true);
64 final ActionBar actionBar = getActivity().getActionBar();
65 if (actionBar != null) {
66 actionBar.setDisplayHomeAsUpEnabled(true);
72 public void onAttach(Context context) {
73 super.onAttach(context);
75 mListener = (OnQrCodeGeneratorFragmentAddButtonClickedListener) context;
79 public void onDetach() {
86 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
87 final WifiNetworkConfig wifiNetworkConfig = getWifiNetworkConfigFromHostActivity();
89 if (wifiNetworkConfig.isSupportConfiguratorQrCodeScanner(getActivity())) {
90 menuItem = menu.add(0, Menu.FIRST, 0, R.string.next_label);
91 menuItem.setIcon(R.drawable.ic_scan_24dp);
92 menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
94 menuItem = menu.findItem(Menu.FIRST);
95 if (menuItem != null) {
96 menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
100 super.onCreateOptionsMenu(menu, inflater);
104 public boolean onOptionsItemSelected(MenuItem menuItem) {
105 switch (menuItem.getItemId()) {
107 mListener.onQrCodeGeneratorFragmentAddButtonClicked();
110 return super.onOptionsItemSelected(menuItem);
115 public final View onCreateView(LayoutInflater inflater, ViewGroup container,
116 Bundle savedInstanceState) {
117 return inflater.inflate(R.layout.wifi_dpp_qrcode_generator_fragment, container,
118 /* attachToRoot */ false);
122 public void onViewCreated(View view, Bundle savedInstanceState) {
123 super.onViewCreated(view, savedInstanceState);
125 mQrCodeView = view.findViewById(R.id.qrcode_view);
127 setHeaderIconImageResource(R.drawable.ic_qrcode_24dp);
129 final WifiNetworkConfig wifiNetworkConfig = getWifiNetworkConfigFromHostActivity();
130 mTitle.setText(R.string.wifi_dpp_share_wifi);
131 mSummary.setText(getString(R.string.wifi_dpp_scan_qr_code_with_another_device,
132 wifiNetworkConfig.getSsid()));
134 mQrCode = wifiNetworkConfig.getQrCode();
138 private void setQrCode() {
140 final int qrcodeSize = getContext().getResources().getDimensionPixelSize(
141 R.dimen.qrcode_size);
142 final Bitmap bmp = QrCodeGenerator.encodeQrCode(mQrCode, qrcodeSize);
143 mQrCodeView.setImageBitmap(bmp);
144 } catch (WriterException e) {
145 Log.e(TAG, "Error generatting QR code bitmap " + e);
149 WifiNetworkConfig getWifiNetworkConfigFromHostActivity() {
150 final WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
151 .getWifiNetworkConfig();
152 if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
153 throw new IllegalStateException("Invalid Wi-Fi network for configuring");
156 return wifiNetworkConfig;