a83b304670
Change privacy setting (mac randomized) string Test: manual and robotests Change-Id: I264c89e0b8ccaeff0a057ff7d791d006a5e7d7cd
432 lines
15 KiB
Java
432 lines
15 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi;
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import android.app.Activity;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.graphics.drawable.Drawable;
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import android.net.wifi.ScanResult;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiManager;
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import android.net.wifi.WifiManager.NetworkRequestUserSelectionCallback;
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import android.net.wifi.WifiManager.NetworkRequestMatchCallback;
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import android.os.Handler;
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import android.os.Message;
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import android.widget.BaseAdapter;
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import androidx.annotation.NonNull;
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import androidx.annotation.VisibleForTesting;
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import androidx.appcompat.app.AlertDialog;
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import androidx.preference.internal.PreferenceImageView;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.R;
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import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
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import com.android.settings.wifi.NetworkRequestErrorDialogFragment.ERROR_DIALOG_TYPE;
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import com.android.settingslib.Utils;
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import com.android.settingslib.core.lifecycle.Lifecycle;
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import com.android.settingslib.wifi.AccessPoint;
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import com.android.settingslib.wifi.WifiTracker;
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import com.android.settingslib.wifi.WifiTrackerFactory;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* The Fragment sets up callback {@link NetworkRequestMatchCallback} with framework. To handle most
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* behaviors of the callback when requesting wifi network, except for error message. When error
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* happens, {@link NetworkRequestErrorDialogFragment} will be called to display error message.
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*/
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public class NetworkRequestDialogFragment extends InstrumentedDialogFragment implements
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DialogInterface.OnClickListener, NetworkRequestMatchCallback {
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/** Message sent to us to stop scanning wifi and pop up timeout dialog. */
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private static final int MESSAGE_STOP_SCAN_WIFI_LIST = 0;
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/** Spec defines there should be 5 wifi ap on the list at most. */
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private static final int MAX_NUMBER_LIST_ITEM = 5;
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/** Delayed time to stop scanning wifi. */
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private static final int DELAY_TIME_STOP_SCAN_MS = 30 * 1000;
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private List<AccessPoint> mAccessPointList;
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private FilterWifiTracker mFilterWifiTracker;
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private AccessPointAdapter mDialogAdapter;
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private NetworkRequestUserSelectionCallback mUserSelectionCallback;
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public static NetworkRequestDialogFragment newInstance() {
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NetworkRequestDialogFragment dialogFragment = new NetworkRequestDialogFragment();
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return dialogFragment;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final Context context = getContext();
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// Prepares title.
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final LayoutInflater inflater = LayoutInflater.from(context);
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final View customTitle = inflater.inflate(R.layout.network_request_dialog_title, null);
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final TextView title = customTitle.findViewById(R.id.network_request_title_text);
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title.setText(R.string.network_connection_request_dialog_title);
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final ProgressBar progressBar = customTitle.findViewById(
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R.id.network_request_title_progress);
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progressBar.setVisibility(View.VISIBLE);
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// Prepares adapter.
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mDialogAdapter = new AccessPointAdapter(context,
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R.layout.preference_access_point, getAccessPointList());
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final AlertDialog.Builder builder = new AlertDialog.Builder(context)
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.setCustomTitle(customTitle)
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.setAdapter(mDialogAdapter, this)
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.setPositiveButton(R.string.cancel, (dialog, which) -> getActivity().finish());
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// Clicking list item is to connect wifi ap.
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final AlertDialog dialog = builder.create();
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dialog.getListView()
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.setOnItemClickListener(
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(parent, view, position, id) -> this.onClick(dialog, position));
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return dialog;
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}
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@NonNull
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List<AccessPoint> getAccessPointList() {
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// Initials list for adapter, in case of display crashing.
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if (mAccessPointList == null) {
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mAccessPointList = new ArrayList<>();
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}
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return mAccessPointList;
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}
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private BaseAdapter getDialogAdapter() {
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return mDialogAdapter;
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}
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@Override
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public void onClick(DialogInterface dialog, int which) {
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final List<AccessPoint> accessPointList = getAccessPointList();
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if (accessPointList.size() == 0) {
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return; // Invalid values.
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}
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if (mUserSelectionCallback == null) {
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return; // Callback is missing or not ready.
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}
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if (which < accessPointList.size()) {
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final AccessPoint selectedAccessPoint = accessPointList.get(which);
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WifiConfiguration wifiConfig = selectedAccessPoint.getConfig();
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if (wifiConfig == null) {
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wifiConfig = WifiUtils.getWifiConfig(selectedAccessPoint, /* scanResult */
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null, /* password */ null);
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}
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if (wifiConfig != null) {
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mUserSelectionCallback.select(wifiConfig);
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}
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}
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}
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@Override
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public void onCancel(@NonNull DialogInterface dialog) {
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super.onCancel(dialog);
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// Finishes the activity when user clicks back key or outside of the dialog.
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getActivity().finish();
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}
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@Override
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public void onPause() {
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super.onPause();
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mHandler.removeMessages(MESSAGE_STOP_SCAN_WIFI_LIST);
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final WifiManager wifiManager = getContext().getApplicationContext()
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.getSystemService(WifiManager.class);
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if (wifiManager != null) {
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wifiManager.unregisterNetworkRequestMatchCallback(this);
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}
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if (mFilterWifiTracker != null) {
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mFilterWifiTracker.onPause();
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}
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mFilterWifiTracker != null) {
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mFilterWifiTracker.onDestroy();
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mFilterWifiTracker = null;
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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final WifiManager wifiManager = getContext().getApplicationContext()
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.getSystemService(WifiManager.class);
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if (wifiManager != null) {
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wifiManager.registerNetworkRequestMatchCallback(this, mHandler);
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}
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// Sets time-out to stop scanning.
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mHandler.sendEmptyMessageDelayed(MESSAGE_STOP_SCAN_WIFI_LIST, DELAY_TIME_STOP_SCAN_MS);
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if (mFilterWifiTracker == null) {
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mFilterWifiTracker = new FilterWifiTracker(getActivity(), getSettingsLifecycle());
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}
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mFilterWifiTracker.onResume();
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}
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private final Handler mHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MESSAGE_STOP_SCAN_WIFI_LIST:
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removeMessages(MESSAGE_STOP_SCAN_WIFI_LIST);
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stopScanningAndPopErrorDialog(ERROR_DIALOG_TYPE.TIME_OUT);
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break;
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default:
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// Do nothing.
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break;
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}
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}
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};
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protected void stopScanningAndPopErrorDialog(ERROR_DIALOG_TYPE type) {
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// Dismisses current dialog.
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dismiss();
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// Throws new timeout dialog.
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final NetworkRequestErrorDialogFragment fragment = NetworkRequestErrorDialogFragment
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.newInstance();
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final Bundle bundle = new Bundle();
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bundle.putSerializable(NetworkRequestErrorDialogFragment.DIALOG_TYPE, type);
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fragment.setArguments(bundle);
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fragment.show(getActivity().getSupportFragmentManager(),
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NetworkRequestDialogFragment.class.getSimpleName());
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}
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@Override
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public int getMetricsCategory() {
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return MetricsProto.MetricsEvent.WIFI_SCANNING_NEEDED_DIALOG;
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}
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private class AccessPointAdapter extends ArrayAdapter<AccessPoint> {
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private final int mResourceId;
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private final LayoutInflater mInflater;
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public AccessPointAdapter(Context context, int resourceId, List<AccessPoint> objects) {
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super(context, resourceId, objects);
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mResourceId = resourceId;
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mInflater = LayoutInflater.from(context);
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}
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@Override
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public View getView(int position, View view, ViewGroup parent) {
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if (view == null) {
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view = mInflater.inflate(mResourceId, parent, false);
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final View divider = view.findViewById(
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com.android.settingslib.R.id.two_target_divider);
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divider.setVisibility(View.GONE);
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}
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final AccessPoint accessPoint = getItem(position);
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final TextView titleView = view.findViewById(android.R.id.title);
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if (titleView != null) {
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titleView.setText(accessPoint.getSsidStr());
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}
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final TextView summary = view.findViewById(android.R.id.summary);
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if (summary != null) {
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summary.setText(accessPoint.getSettingsSummary());
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}
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final PreferenceImageView imageView = view.findViewById(android.R.id.icon);
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final int level = accessPoint.getLevel();
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if (imageView != null) {
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final Drawable drawable = getContext().getDrawable(
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Utils.getWifiIconResource(level));
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drawable.setTintList(
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Utils.getColorAttr(getContext(), android.R.attr.colorControlNormal));
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imageView.setImageDrawable(drawable);
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}
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return view;
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}
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}
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@Override
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public void onAbort() {
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stopScanningAndPopErrorDialog(ERROR_DIALOG_TYPE.ABORT);
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}
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@Override
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public void onUserSelectionCallbackRegistration(
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NetworkRequestUserSelectionCallback userSelectionCallback) {
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mUserSelectionCallback = userSelectionCallback;
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}
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@Override
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public void onMatch(List<ScanResult> scanResults) {
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mHandler.removeMessages(MESSAGE_STOP_SCAN_WIFI_LIST);
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renewAccessPointList(scanResults);
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notifyAdapterRefresh();
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}
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// Updates internal AccessPoint list from WifiTracker. scanResults are used to update key list
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// of AccessPoint, and could be null if there is no necessary to update key list.
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private void renewAccessPointList(List<ScanResult> scanResults) {
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if (mFilterWifiTracker == null) {
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return;
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}
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// TODO(b/119846365): Checks if we could escalate the converting effort.
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// Updates keys of scanResults into FilterWifiTracker for updating matched AccessPoints.
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if (scanResults != null) {
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mFilterWifiTracker.updateKeys(scanResults);
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}
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// Re-gets matched AccessPoints from WifiTracker.
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final List<AccessPoint> list = getAccessPointList();
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list.clear();
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list.addAll(mFilterWifiTracker.getAccessPoints());
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}
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@VisibleForTesting
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void notifyAdapterRefresh() {
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if (getDialogAdapter() != null) {
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getDialogAdapter().notifyDataSetChanged();
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}
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}
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@Override
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public void onUserSelectionConnectSuccess(WifiConfiguration wificonfiguration) {
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// Dismisses current dialog and finishes Activity, since connection is success.
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dismiss();
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final Activity activity = getActivity();
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if (activity != null) {
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activity.finish();
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}
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}
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@Override
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public void onUserSelectionConnectFailure(WifiConfiguration wificonfiguration) {
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stopScanningAndPopErrorDialog(ERROR_DIALOG_TYPE.ABORT);
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}
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private final class FilterWifiTracker {
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private final List<String> mAccessPointKeys;
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private final WifiTracker mWifiTracker;
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public FilterWifiTracker(Context context, Lifecycle lifecycle) {
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mWifiTracker = WifiTrackerFactory.create(context, mWifiListener,
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lifecycle, /* includeSaved */ true, /* includeScans */ true);
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mAccessPointKeys = new ArrayList<>();
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}
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/**
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* Updates key list from input. {@code onMatch()} may be called in multi-times according
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* wifi scanning result, so needs patchwork here.
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*/
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public void updateKeys(List<ScanResult> scanResults) {
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for (ScanResult scanResult : scanResults) {
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final String key = AccessPoint.getKey(scanResult);
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if (!mAccessPointKeys.contains(key)) {
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mAccessPointKeys.add(key);
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}
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}
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}
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/**
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* Returns only AccessPoints whose key is in {@code mAccessPointKeys}.
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*
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* @return List of matched AccessPoints.
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*/
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public List<AccessPoint> getAccessPoints() {
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final List<AccessPoint> allAccessPoints = mWifiTracker.getAccessPoints();
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final List<AccessPoint> result = new ArrayList<>();
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// The order should be kept, because order means wifi score (sorting in WifiTracker).
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int count = 0;
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for (AccessPoint accessPoint : allAccessPoints) {
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final String key = accessPoint.getKey();
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if (mAccessPointKeys.contains(key)) {
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result.add(accessPoint);
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count++;
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// Limits how many count of items could show.
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if (count >= MAX_NUMBER_LIST_ITEM) {
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break;
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}
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}
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}
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return result;
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}
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private WifiTracker.WifiListener mWifiListener = new WifiTracker.WifiListener() {
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@Override
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public void onWifiStateChanged(int state) {
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notifyAdapterRefresh();
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}
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@Override
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public void onConnectedChanged() {
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notifyAdapterRefresh();
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}
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@Override
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public void onAccessPointsChanged() {
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notifyAdapterRefresh();
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}
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};
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public void onDestroy() {
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if (mWifiTracker != null) {
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mWifiTracker.onDestroy();
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}
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}
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public void onResume() {
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if (mWifiTracker != null) {
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mWifiTracker.onStart();
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}
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}
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public void onPause() {
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if (mWifiTracker != null) {
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mWifiTracker.onStop();
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}
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}
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}
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}
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