Files
app_Settings/src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java
Weng Su 71b9cc0e32 Check Wi-Fi permissions for QrCode scanner
- Launched package require ACCESS_WIFI_STATE and ACCESS_FINE_LOCATION permissions to get results

Bug: 187176859
Test: manual test
make RunSettingsRoboTests \
    ROBOTEST_FILTER=WifiDppQrCodeScannerFragmentTest

Change-Id: Ie80c4e5b3a5863749de518e4736873390478816e
2022-04-26 07:10:57 +00:00

818 lines
30 KiB
Java

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.wifi.dpp;
import static android.net.wifi.WifiInfo.sanitizeSsid;
import android.app.Activity;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;
import android.graphics.Matrix;
import android.graphics.Rect;
import android.graphics.SurfaceTexture;
import android.net.wifi.EasyConnectStatusCallback;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.Process;
import android.os.SimpleClock;
import android.os.SystemClock;
import android.text.TextUtils;
import android.util.EventLog;
import android.util.Log;
import android.util.Size;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.TextureView;
import android.view.TextureView.SurfaceTextureListener;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityEvent;
import android.widget.TextView;
import androidx.annotation.StringRes;
import androidx.annotation.UiThread;
import androidx.annotation.VisibleForTesting;
import androidx.lifecycle.ViewModelProviders;
import com.android.settings.R;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.qrcode.QrCamera;
import com.android.settingslib.qrcode.QrDecorateView;
import com.android.settingslib.wifi.WifiPermissionChecker;
import com.android.wifitrackerlib.WifiEntry;
import com.android.wifitrackerlib.WifiPickerTracker;
import java.time.Clock;
import java.time.ZoneOffset;
import java.util.List;
public class WifiDppQrCodeScannerFragment extends WifiDppQrCodeBaseFragment implements
SurfaceTextureListener,
QrCamera.ScannerCallback,
WifiManager.ActionListener {
private static final String TAG = "WifiDppQrCodeScanner";
/** Message sent to hide error message */
private static final int MESSAGE_HIDE_ERROR_MESSAGE = 1;
/** Message sent to show error message */
private static final int MESSAGE_SHOW_ERROR_MESSAGE = 2;
/** Message sent to manipulate Wi-Fi DPP QR code */
private static final int MESSAGE_SCAN_WIFI_DPP_SUCCESS = 3;
/** Message sent to manipulate ZXing Wi-Fi QR code */
private static final int MESSAGE_SCAN_ZXING_WIFI_FORMAT_SUCCESS = 4;
private static final long SHOW_ERROR_MESSAGE_INTERVAL = 10000;
private static final long SHOW_SUCCESS_SQUARE_INTERVAL = 1000;
// Key for Bundle usage
private static final String KEY_IS_CONFIGURATOR_MODE = "key_is_configurator_mode";
private static final String KEY_LATEST_ERROR_CODE = "key_latest_error_code";
public static final String KEY_WIFI_CONFIGURATION = "key_wifi_configuration";
private static final int ARG_RESTART_CAMERA = 1;
// Max age of tracked WifiEntries.
private static final long MAX_SCAN_AGE_MILLIS = 15_000;
// Interval between initiating WifiPickerTracker scans.
private static final long SCAN_INTERVAL_MILLIS = 10_000;
private QrCamera mCamera;
private TextureView mTextureView;
private QrDecorateView mDecorateView;
private TextView mErrorMessage;
/** true if the fragment working for configurator, false enrollee*/
private boolean mIsConfiguratorMode;
/** The SSID of the Wi-Fi network which the user specify to enroll */
private String mSsid;
/** QR code data scanned by camera */
private WifiQrCode mWifiQrCode;
/** The WifiConfiguration connecting for enrollee usage */
private WifiConfiguration mEnrolleeWifiConfiguration;
private int mLatestStatusCode = WifiDppUtils.EASY_CONNECT_EVENT_FAILURE_NONE;
private WifiPickerTracker mWifiPickerTracker;
private HandlerThread mWorkerThread;
private WifiPermissionChecker mWifiPermissionChecker;
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_HIDE_ERROR_MESSAGE:
mErrorMessage.setVisibility(View.INVISIBLE);
break;
case MESSAGE_SHOW_ERROR_MESSAGE:
final String errorMessage = (String) msg.obj;
mErrorMessage.setVisibility(View.VISIBLE);
mErrorMessage.setText(errorMessage);
mErrorMessage.sendAccessibilityEvent(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
// Cancel any pending messages to hide error view and requeue the message so
// user has time to see error
removeMessages(MESSAGE_HIDE_ERROR_MESSAGE);
sendEmptyMessageDelayed(MESSAGE_HIDE_ERROR_MESSAGE,
SHOW_ERROR_MESSAGE_INTERVAL);
if (msg.arg1 == ARG_RESTART_CAMERA) {
setProgressBarShown(false);
mDecorateView.setFocused(false);
restartCamera();
}
break;
case MESSAGE_SCAN_WIFI_DPP_SUCCESS:
if (mScanWifiDppSuccessListener == null) {
// mScanWifiDppSuccessListener may be null after onDetach(), do nothing here
return;
}
mScanWifiDppSuccessListener.onScanWifiDppSuccess((WifiQrCode)msg.obj);
if (!mIsConfiguratorMode) {
setProgressBarShown(true);
startWifiDppEnrolleeInitiator((WifiQrCode)msg.obj);
updateEnrolleeSummary();
mSummary.sendAccessibilityEvent(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
}
notifyUserForQrCodeRecognition();
break;
case MESSAGE_SCAN_ZXING_WIFI_FORMAT_SUCCESS:
final Context context = getContext();
if (context == null) {
// Context may be null if the message is received after the Activity has
// been destroyed
Log.d(TAG, "Scan success but context is null");
return;
}
// We may get 2 WifiConfiguration if the QR code has no password in it,
// one for open network and one for enhanced open network.
final WifiManager wifiManager =
context.getSystemService(WifiManager.class);
final WifiNetworkConfig qrCodeWifiNetworkConfig =
(WifiNetworkConfig)msg.obj;
final List<WifiConfiguration> qrCodeWifiConfigurations =
qrCodeWifiNetworkConfig.getWifiConfigurations();
// Adds all Wi-Fi networks in QR code to the set of configured networks and
// connects to it if it's reachable.
boolean hasHiddenOrReachableWifiNetwork = false;
for (WifiConfiguration qrCodeWifiConfiguration : qrCodeWifiConfigurations) {
final int id = wifiManager.addNetwork(qrCodeWifiConfiguration);
if (id == -1) {
continue;
}
if (!canConnectWifi(qrCodeWifiConfiguration.SSID)) return;
wifiManager.enableNetwork(id, /* attemptConnect */ false);
// WifiTracker only contains a hidden SSID Wi-Fi network if it's saved.
// We can't check if a hidden SSID Wi-Fi network is reachable in advance.
if (qrCodeWifiConfiguration.hiddenSSID ||
isReachableWifiNetwork(qrCodeWifiConfiguration)) {
hasHiddenOrReachableWifiNetwork = true;
mEnrolleeWifiConfiguration = qrCodeWifiConfiguration;
wifiManager.connect(id,
/* listener */ WifiDppQrCodeScannerFragment.this);
}
}
if (!hasHiddenOrReachableWifiNetwork) {
showErrorMessageAndRestartCamera(
R.string.wifi_dpp_check_connection_try_again);
return;
}
mMetricsFeatureProvider.action(
mMetricsFeatureProvider.getAttribution(getActivity()),
SettingsEnums.ACTION_SETTINGS_ENROLL_WIFI_QR_CODE,
SettingsEnums.SETTINGS_WIFI_DPP_ENROLLEE,
/* key */ null,
/* value */ Integer.MIN_VALUE);
notifyUserForQrCodeRecognition();
break;
default:
}
}
};
@UiThread
private void notifyUserForQrCodeRecognition() {
if (mCamera != null) {
mCamera.stop();
}
mDecorateView.setFocused(true);
mErrorMessage.setVisibility(View.INVISIBLE);
WifiDppUtils.triggerVibrationForQrCodeRecognition(getContext());
}
private boolean isReachableWifiNetwork(WifiConfiguration wifiConfiguration) {
final List<WifiEntry> wifiEntries = mWifiPickerTracker.getWifiEntries();
final WifiEntry connectedWifiEntry = mWifiPickerTracker.getConnectedWifiEntry();
if (connectedWifiEntry != null) {
// Add connected WifiEntry to prevent fail toast to users when it's connected.
wifiEntries.add(connectedWifiEntry);
}
for (WifiEntry wifiEntry : wifiEntries) {
if (!TextUtils.equals(wifiEntry.getSsid(), sanitizeSsid(wifiConfiguration.SSID))) {
continue;
}
final int security =
WifiDppUtils.getSecurityTypeFromWifiConfiguration(wifiConfiguration);
if (security == wifiEntry.getSecurity()) {
return true;
}
// Default security type of PSK/SAE transition mode WifiEntry is SECURITY_PSK and
// there is no way to know if a WifiEntry is of transition mode. Give it a chance.
if (security == WifiEntry.SECURITY_SAE
&& wifiEntry.getSecurity() == WifiEntry.SECURITY_PSK) {
return true;
}
}
return false;
}
@VisibleForTesting
boolean canConnectWifi(String ssid) {
final List<WifiEntry> wifiEntries = mWifiPickerTracker.getWifiEntries();
for (WifiEntry wifiEntry : wifiEntries) {
if (!TextUtils.equals(wifiEntry.getSsid(), sanitizeSsid(ssid))) continue;
if (!wifiEntry.canConnect()) {
Log.w(TAG, "Wi-Fi is not allowed to connect by your organization. SSID:" + ssid);
showErrorMessageAndRestartCamera(R.string.not_allowed_by_ent);
return false;
}
}
return true;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mIsConfiguratorMode = savedInstanceState.getBoolean(KEY_IS_CONFIGURATOR_MODE);
mLatestStatusCode = savedInstanceState.getInt(KEY_LATEST_ERROR_CODE);
mEnrolleeWifiConfiguration = savedInstanceState.getParcelable(KEY_WIFI_CONFIGURATION);
}
final WifiDppInitiatorViewModel model =
ViewModelProviders.of(this).get(WifiDppInitiatorViewModel.class);
model.getEnrolleeSuccessNetworkId().observe(this, networkId -> {
// After configuration change, observe callback will be triggered,
// do nothing for this case if a handshake does not end
if (model.isWifiDppHandshaking()) {
return;
}
new EasyConnectEnrolleeStatusCallback().onEnrolleeSuccess(networkId.intValue());
});
model.getStatusCode().observe(this, statusCode -> {
// After configuration change, observe callback will be triggered,
// do nothing for this case if a handshake does not end
if (model.isWifiDppHandshaking()) {
return;
}
int code = statusCode.intValue();
Log.d(TAG, "Easy connect enrollee callback onFailure " + code);
new EasyConnectEnrolleeStatusCallback().onFailure(code);
});
}
@Override
public void onPause() {
if (mCamera != null) {
mCamera.stop();
}
super.onPause();
}
@Override
public void onResume() {
super.onResume();
if (!isWifiDppHandshaking()) {
restartCamera();
}
}
@Override
public int getMetricsCategory() {
if (mIsConfiguratorMode) {
return SettingsEnums.SETTINGS_WIFI_DPP_CONFIGURATOR;
} else {
return SettingsEnums.SETTINGS_WIFI_DPP_ENROLLEE;
}
}
// Container Activity must implement this interface
public interface OnScanWifiDppSuccessListener {
void onScanWifiDppSuccess(WifiQrCode wifiQrCode);
}
private OnScanWifiDppSuccessListener mScanWifiDppSuccessListener;
/**
* Configurator container activity of the fragment should create instance with this constructor.
*/
public WifiDppQrCodeScannerFragment() {
super();
mIsConfiguratorMode = true;
}
public WifiDppQrCodeScannerFragment(WifiPickerTracker wifiPickerTracker,
WifiPermissionChecker wifiPermissionChecker) {
super();
mIsConfiguratorMode = true;
mWifiPickerTracker = wifiPickerTracker;
mWifiPermissionChecker = wifiPermissionChecker;
}
/**
* Enrollee container activity of the fragment should create instance with this constructor and
* specify the SSID string of the WI-Fi network to be provisioned.
*/
WifiDppQrCodeScannerFragment(String ssid) {
super();
mIsConfiguratorMode = false;
mSsid = ssid;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mWorkerThread = new HandlerThread(
TAG + "{" + Integer.toHexString(System.identityHashCode(this)) + "}",
Process.THREAD_PRIORITY_BACKGROUND);
mWorkerThread.start();
final Clock elapsedRealtimeClock = new SimpleClock(ZoneOffset.UTC) {
@Override
public long millis() {
return SystemClock.elapsedRealtime();
}
};
final Context context = getContext();
mWifiPickerTracker = FeatureFactory.getFactory(context)
.getWifiTrackerLibProvider()
.createWifiPickerTracker(getSettingsLifecycle(), context,
new Handler(Looper.getMainLooper()),
mWorkerThread.getThreadHandler(),
elapsedRealtimeClock,
MAX_SCAN_AGE_MILLIS,
SCAN_INTERVAL_MILLIS,
null /* listener */);
// setTitle for TalkBack
if (mIsConfiguratorMode) {
getActivity().setTitle(R.string.wifi_dpp_add_device_to_network);
} else {
getActivity().setTitle(R.string.wifi_dpp_scan_qr_code);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
mScanWifiDppSuccessListener = (OnScanWifiDppSuccessListener) context;
}
@Override
public void onDetach() {
mScanWifiDppSuccessListener = null;
super.onDetach();
}
@Override
public void onDestroyView() {
mWorkerThread.quit();
super.onDestroyView();
}
@Override
public final View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.wifi_dpp_qrcode_scanner_fragment, container,
/* attachToRoot */ false);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mSummary = view.findViewById(R.id.sud_layout_subtitle);
mTextureView = view.findViewById(R.id.preview_view);
mTextureView.setSurfaceTextureListener(this);
mDecorateView = view.findViewById(R.id.decorate_view);
setProgressBarShown(isWifiDppHandshaking());
if (mIsConfiguratorMode) {
setHeaderTitle(R.string.wifi_dpp_add_device_to_network);
WifiNetworkConfig wifiNetworkConfig = ((WifiNetworkConfig.Retriever) getActivity())
.getWifiNetworkConfig();
if (!WifiNetworkConfig.isValidConfig(wifiNetworkConfig)) {
throw new IllegalStateException("Invalid Wi-Fi network for configuring");
}
mSummary.setText(getString(R.string.wifi_dpp_center_qr_code,
wifiNetworkConfig.getSsid()));
} else {
setHeaderTitle(R.string.wifi_dpp_scan_qr_code);
updateEnrolleeSummary();
}
mErrorMessage = view.findViewById(R.id.error_message);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
menu.removeItem(Menu.FIRST);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
initCamera(surface);
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
// Do nothing
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
destroyCamera();
return true;
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surface) {
// Do nothing
}
@Override
public Size getViewSize() {
return new Size(mTextureView.getWidth(), mTextureView.getHeight());
}
@Override
public Rect getFramePosition(Size previewSize, int cameraOrientation) {
return new Rect(0, 0, previewSize.getHeight(), previewSize.getHeight());
}
@Override
public void setTransform(Matrix transform) {
mTextureView.setTransform(transform);
}
@Override
public boolean isValid(String qrCode) {
try {
mWifiQrCode = new WifiQrCode(qrCode);
} catch (IllegalArgumentException e) {
showErrorMessage(R.string.wifi_dpp_qr_code_is_not_valid_format);
return false;
}
// It's impossible to provision other device with ZXing Wi-Fi Network config format
final String scheme = mWifiQrCode.getScheme();
if (mIsConfiguratorMode && WifiQrCode.SCHEME_ZXING_WIFI_NETWORK_CONFIG.equals(scheme)) {
showErrorMessage(R.string.wifi_dpp_qr_code_is_not_valid_format);
return false;
}
return true;
}
/**
* This method is only called when QrCamera.ScannerCallback.isValid returns true;
*/
@Override
public void handleSuccessfulResult(String qrCode) {
switch (mWifiQrCode.getScheme()) {
case WifiQrCode.SCHEME_DPP:
handleWifiDpp();
break;
case WifiQrCode.SCHEME_ZXING_WIFI_NETWORK_CONFIG:
handleZxingWifiFormat();
break;
default:
// continue below
}
}
private void handleWifiDpp() {
Message message = mHandler.obtainMessage(MESSAGE_SCAN_WIFI_DPP_SUCCESS);
message.obj = new WifiQrCode(mWifiQrCode.getQrCode());
mHandler.sendMessageDelayed(message, SHOW_SUCCESS_SQUARE_INTERVAL);
}
private void handleZxingWifiFormat() {
Message message = mHandler.obtainMessage(MESSAGE_SCAN_ZXING_WIFI_FORMAT_SUCCESS);
message.obj = new WifiQrCode(mWifiQrCode.getQrCode()).getWifiNetworkConfig();
mHandler.sendMessageDelayed(message, SHOW_SUCCESS_SQUARE_INTERVAL);
}
@Override
public void handleCameraFailure() {
destroyCamera();
}
private void initCamera(SurfaceTexture surface) {
// Check if the camera has already created.
if (mCamera == null) {
mCamera = new QrCamera(getContext(), this);
if (isWifiDppHandshaking()) {
if (mDecorateView != null) {
mDecorateView.setFocused(true);
}
} else {
mCamera.start(surface);
}
}
}
private void destroyCamera() {
if (mCamera != null) {
mCamera.stop();
mCamera = null;
}
}
private void showErrorMessage(@StringRes int messageResId) {
final Message message = mHandler.obtainMessage(MESSAGE_SHOW_ERROR_MESSAGE,
getString(messageResId));
message.sendToTarget();
}
@VisibleForTesting
void showErrorMessageAndRestartCamera(@StringRes int messageResId) {
final Message message = mHandler.obtainMessage(MESSAGE_SHOW_ERROR_MESSAGE,
getString(messageResId));
message.arg1 = ARG_RESTART_CAMERA;
message.sendToTarget();
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putBoolean(KEY_IS_CONFIGURATOR_MODE, mIsConfiguratorMode);
outState.putInt(KEY_LATEST_ERROR_CODE, mLatestStatusCode);
outState.putParcelable(KEY_WIFI_CONFIGURATION, mEnrolleeWifiConfiguration);
super.onSaveInstanceState(outState);
}
private class EasyConnectEnrolleeStatusCallback extends EasyConnectStatusCallback {
@Override
public void onEnrolleeSuccess(int newNetworkId) {
// Connect to the new network.
final WifiManager wifiManager = getContext().getSystemService(WifiManager.class);
final List<WifiConfiguration> wifiConfigs =
wifiManager.getPrivilegedConfiguredNetworks();
for (WifiConfiguration wifiConfig : wifiConfigs) {
if (wifiConfig.networkId == newNetworkId) {
mLatestStatusCode = WifiDppUtils.EASY_CONNECT_EVENT_SUCCESS;
mEnrolleeWifiConfiguration = wifiConfig;
if (!canConnectWifi(wifiConfig.SSID)) return;
wifiManager.connect(wifiConfig, WifiDppQrCodeScannerFragment.this);
return;
}
}
Log.e(TAG, "Invalid networkId " + newNetworkId);
mLatestStatusCode = EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_GENERIC;
updateEnrolleeSummary();
showErrorMessageAndRestartCamera(R.string.wifi_dpp_check_connection_try_again);
}
@Override
public void onConfiguratorSuccess(int code) {
// Do nothing
}
@Override
public void onFailure(int code) {
Log.d(TAG, "EasyConnectEnrolleeStatusCallback.onFailure " + code);
int errorMessageResId;
switch (code) {
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_INVALID_URI:
errorMessageResId = R.string.wifi_dpp_qr_code_is_not_valid_format;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_AUTHENTICATION:
errorMessageResId = R.string.wifi_dpp_failure_authentication_or_configuration;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_NOT_COMPATIBLE:
errorMessageResId = R.string.wifi_dpp_failure_not_compatible;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_CONFIGURATION:
errorMessageResId = R.string.wifi_dpp_failure_authentication_or_configuration;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_BUSY:
if (code == mLatestStatusCode) {
throw(new IllegalStateException("stopEasyConnectSession and try again for"
+ "EASY_CONNECT_EVENT_FAILURE_BUSY but still failed"));
}
mLatestStatusCode = code;
final WifiManager wifiManager =
getContext().getSystemService(WifiManager.class);
wifiManager.stopEasyConnectSession();
startWifiDppEnrolleeInitiator(mWifiQrCode);
return;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_TIMEOUT:
errorMessageResId = R.string.wifi_dpp_failure_timeout;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_GENERIC:
errorMessageResId = R.string.wifi_dpp_failure_generic;
break;
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_NOT_SUPPORTED:
throw(new IllegalStateException("EASY_CONNECT_EVENT_FAILURE_NOT_SUPPORTED" +
" should be a configurator only error"));
case EasyConnectStatusCallback.EASY_CONNECT_EVENT_FAILURE_INVALID_NETWORK:
throw(new IllegalStateException("EASY_CONNECT_EVENT_FAILURE_INVALID_NETWORK" +
" should be a configurator only error"));
default:
throw(new IllegalStateException("Unexpected Wi-Fi DPP error"));
}
mLatestStatusCode = code;
updateEnrolleeSummary();
showErrorMessageAndRestartCamera(errorMessageResId);
}
@Override
public void onProgress(int code) {
// Do nothing
}
}
private void startWifiDppEnrolleeInitiator(WifiQrCode wifiQrCode) {
final WifiDppInitiatorViewModel model =
ViewModelProviders.of(this).get(WifiDppInitiatorViewModel.class);
model.startEasyConnectAsEnrolleeInitiator(wifiQrCode.getQrCode());
}
@Override
public void onSuccess() {
final Intent resultIntent = new Intent();
resultIntent.putExtra(KEY_WIFI_CONFIGURATION, mEnrolleeWifiConfiguration);
final Activity hostActivity = getActivity();
if (hostActivity == null) return;
if (mWifiPermissionChecker == null) {
mWifiPermissionChecker = new WifiPermissionChecker(hostActivity);
}
if (!mWifiPermissionChecker.canAccessWifiState()) {
Log.w(TAG, "Calling package does not have ACCESS_WIFI_STATE permission for result.");
EventLog.writeEvent(0x534e4554, "187176859",
mWifiPermissionChecker.getLaunchedPackage(), "no ACCESS_WIFI_STATE permission");
hostActivity.finish();
return;
}
if (!mWifiPermissionChecker.canAccessFineLocation()) {
Log.w(TAG, "Calling package does not have ACCESS_FINE_LOCATION permission for result.");
EventLog.writeEvent(0x534e4554, "187176859",
mWifiPermissionChecker.getLaunchedPackage(),
"no ACCESS_FINE_LOCATION permission");
hostActivity.finish();
return;
}
hostActivity.setResult(Activity.RESULT_OK, resultIntent);
hostActivity.finish();
}
@Override
public void onFailure(int reason) {
Log.d(TAG, "Wi-Fi connect onFailure reason - " + reason);
showErrorMessageAndRestartCamera(R.string.wifi_dpp_check_connection_try_again);
}
// Check is Easy Connect handshaking or not
private boolean isWifiDppHandshaking() {
final WifiDppInitiatorViewModel model =
ViewModelProviders.of(this).get(WifiDppInitiatorViewModel.class);
return model.isWifiDppHandshaking();
}
/**
* To resume camera decoding task after handshake fail or Wi-Fi connection fail.
*/
private void restartCamera() {
if (mCamera == null) {
Log.d(TAG, "mCamera is not available for restarting camera");
return;
}
if (mCamera.isDecodeTaskAlive()) {
mCamera.stop();
}
final SurfaceTexture surfaceTexture = mTextureView.getSurfaceTexture();
if (surfaceTexture == null) {
throw new IllegalStateException("SurfaceTexture is not ready for restarting camera");
}
mCamera.start(surfaceTexture);
}
private void updateEnrolleeSummary() {
if (isWifiDppHandshaking()) {
mSummary.setText(R.string.wifi_dpp_connecting);
} else {
String description;
if (TextUtils.isEmpty(mSsid)) {
description = getString(R.string.wifi_dpp_scan_qr_code_join_unknown_network, mSsid);
} else {
description = getString(R.string.wifi_dpp_scan_qr_code_join_network, mSsid);
}
mSummary.setText(description);
}
}
@VisibleForTesting
protected boolean isDecodeTaskAlive() {
return mCamera != null && mCamera.isDecodeTaskAlive();
}
@Override
protected boolean isFooterAvailable() {
return false;
}
}