/* * Copyright (C) 2015 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; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.net.ConnectivityManager; import android.net.ConnectivityManager.NetworkCallback; import android.net.Network; import android.net.NetworkInfo; import android.net.NetworkCapabilities; import android.net.NetworkRequest; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.widget.CheckBox; import android.widget.TextView; import com.android.internal.app.AlertActivity; import com.android.internal.app.AlertController; import com.android.settings.R; public final class WifiNoInternetDialog extends AlertActivity implements DialogInterface.OnClickListener { private static final String TAG = "WifiNoInternetDialog"; private ConnectivityManager mCM; private Network mNetwork; private String mNetworkName; private ConnectivityManager.NetworkCallback mNetworkCallback; private CheckBox mAlwaysAllow; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Intent intent = getIntent(); if (intent == null || !intent.getAction().equals(ConnectivityManager.ACTION_PROMPT_UNVALIDATED)) { Log.e(TAG, "Unexpected intent " + intent + ", exiting"); finish(); return; } mNetwork = intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK); if (mNetwork == null) { Log.e(TAG, "ACTION_PROMPT_UNVALIDATED for null network, exiting"); finish(); return; } // TODO: add a registerNetworkCallback(Network network, NetworkCallback networkCallback) and // simplify this. final NetworkRequest.Builder builder = new NetworkRequest.Builder(); for (int i = 0; i < 256; i++) { try { builder.removeCapability(i); } catch (IllegalArgumentException e) {} } final NetworkRequest request = builder.build(); mNetworkCallback = new NetworkCallback() { public void onLost(Network network) { // Close the dialog if the network disconnects. if (mNetwork.equals(network)) { Log.d(TAG, "Network " + mNetwork + " disconnected"); finish(); } } // TODO: implement onNetworkCapabilitiesChanged so we can close the dialog if the // network is now validated. }; mCM = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); mCM.registerNetworkCallback(request, mNetworkCallback); final NetworkInfo ni = mCM.getNetworkInfo(mNetwork); if (ni == null || !ni.isConnectedOrConnecting()) { Log.d(TAG, "Network " + mNetwork + " is not connected: " + ni); finish(); return; } mNetworkName = ni.getExtraInfo(); if (mNetworkName != null) { mNetworkName = mNetworkName.replaceAll("^\"|\"$", ""); // Remove double quotes } createDialog(); } private void createDialog() { mAlert.setIcon(R.drawable.ic_settings_wireless); final AlertController.AlertParams ap = mAlertParams; ap.mTitle = mNetworkName; ap.mMessage = getString(R.string.no_internet_access_text); ap.mPositiveButtonText = getString(android.R.string.ok); ap.mNegativeButtonText = getString(android.R.string.cancel); ap.mPositiveButtonListener = this; ap.mNegativeButtonListener = this; final LayoutInflater inflater = LayoutInflater.from(ap.mContext); final View checkbox = inflater.inflate( com.android.internal.R.layout.always_use_checkbox, null); ap.mView = checkbox; mAlwaysAllow = (CheckBox) checkbox.findViewById(com.android.internal.R.id.alwaysUse); mAlwaysAllow.setText(getString(R.string.no_internet_access_remember)); setupAlert(); } @Override protected void onDestroy() { if (mNetworkCallback != null) { mCM.unregisterNetworkCallback(mNetworkCallback); mNetworkCallback = null; } super.onDestroy(); } public void onClick(DialogInterface dialog, int which) { final boolean accept = (which == BUTTON_POSITIVE); final String action = (accept ? "Connect" : "Ignore"); final boolean always = mAlwaysAllow.isChecked(); switch (which) { case BUTTON_POSITIVE: case BUTTON_NEGATIVE: mCM.setAcceptUnvalidated(mNetwork, accept, always); Log.d(TAG, action + " network=" + mNetwork + (always ? " and remember" : "")); break; default: break; } } }