Revert^2 "Clean up unused WifiManager.ActionListener"

This reverts commit c4a0abef8c.

Reason for revert: The original is not the root cause.
Root cause is b/294378814

Change-Id: Ib44ad912073b0f1b06c7ef6b6b998581eef65784

res/values/strings.xml

@@ -1953,8 +1953,6 @@
     <string name="wifi_forget">Forget</string>
     <!-- Button label to modify a Wi-Fi network -->
     <string name="wifi_modify">Modify</string>
-    <!-- Failured notification for forget -->
-    <string name="wifi_failed_forget_message">Failed to forget network</string>
     <!-- Button label to save a Wi-Fi network configuration -->
     <string name="wifi_save">Save</string>
     <!-- Failured notification for save -->

src/com/android/settings/network/NetworkProviderSettings.java

@@ -74,7 +74,6 @@ import com.android.settings.wifi.ConfigureWifiEntryFragment;
 import com.android.settings.wifi.ConnectedWifiEntryPreference;
 import com.android.settings.wifi.LongPressWifiEntryPreference;
 import com.android.settings.wifi.WifiConfigUiBase2;
-import com.android.settings.wifi.WifiConnectListener;
 import com.android.settings.wifi.WifiDialog2;
 import com.android.settings.wifi.WifiPickerTrackerHelper;
 import com.android.settings.wifi.WifiUtils;
@@ -199,9 +198,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     };
 
     protected WifiManager mWifiManager;
-    private WifiManager.ActionListener mConnectListener;
     private WifiManager.ActionListener mSaveListener;
-    private WifiManager.ActionListener mForgetListener;
 
     protected InternetResetHelper mInternetResetHelper;
 
@@ -407,8 +404,6 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         }
         mInternetUpdater = new InternetUpdater(getContext(), getSettingsLifecycle(), this);
 
-        mConnectListener = new WifiConnectListener(getActivity());
-
         mSaveListener = new WifiManager.ActionListener() {
             @Override
             public void onSuccess() {
@@ -424,22 +419,6 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
                 }
             }
         };
-
-        mForgetListener = new WifiManager.ActionListener() {
-            @Override
-            public void onSuccess() {
-            }
-
-            @Override
-            public void onFailure(int reason) {
-                Activity activity = getActivity();
-                if (activity != null) {
-                    Toast.makeText(activity,
-                            R.string.wifi_failed_forget_message,
-                            Toast.LENGTH_SHORT).show();
-                }
-            }
-        };
         setHasOptionsMenu(true);
 
         if (savedInstanceState != null) {

src/com/android/settings/wifi/WifiConnectListener.java

@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2019 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.net.wifi.WifiManager;
-import android.widget.Toast;
-
-import com.android.settings.R;
-
-/**
- *  A listener to display a toast on failure to connect
- */
-public class WifiConnectListener implements WifiManager.ActionListener {
-
-    private final Context mContext;
-
-    public WifiConnectListener(Context context) {
-        mContext = context;
-    }
-
-    @Override
-    public void onSuccess() {
-    }
-
-    @Override
-    public void onFailure(int reason) {
-        if (mContext != null) {
-            Toast.makeText(mContext,
-                    R.string.wifi_failed_connect_message,
-                    Toast.LENGTH_SHORT).show();
-        }
-    }
-}

src/com/android/settings/wifi/WifiSettings.java

@@ -59,7 +59,6 @@ import com.android.settings.LinkifyUtils;
 import com.android.settings.R;
 import com.android.settings.RestrictedSettingsFragment;
 import com.android.settings.SettingsActivity;
-import com.android.settings.Utils;
 import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.datausage.DataUsagePreference;
@@ -175,9 +174,7 @@ public class WifiSettings extends RestrictedSettingsFragment
     };
 
     protected WifiManager mWifiManager;
-    private WifiManager.ActionListener mConnectListener;
     private WifiManager.ActionListener mSaveListener;
-    private WifiManager.ActionListener mForgetListener;
 
     /**
      * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to
@@ -310,8 +307,6 @@ public class WifiSettings extends RestrictedSettingsFragment
             mWifiManager = getActivity().getSystemService(WifiManager.class);
         }
 
-        mConnectListener = new WifiConnectListener(getActivity());
-
         mSaveListener = new WifiManager.ActionListener() {
             @Override
             public void onSuccess() {
@@ -328,21 +323,6 @@ public class WifiSettings extends RestrictedSettingsFragment
             }
         };
 
-        mForgetListener = new WifiManager.ActionListener() {
-            @Override
-            public void onSuccess() {
-            }
-
-            @Override
-            public void onFailure(int reason) {
-                Activity activity = getActivity();
-                if (activity != null) {
-                    Toast.makeText(activity,
-                            R.string.wifi_failed_forget_message,
-                            Toast.LENGTH_SHORT).show();
-                }
-            }
-        };
         registerForContextMenu(getListView());
         setHasOptionsMenu(true);