Convert SavedAccessPoints to DashboardFragment (step 1)

Change-Id: I5d8fa8497e04c9314dead9af7534df4507ffd591
Bug: 64806699
Test: robotest

res/values/strings.xml

@@ -2112,8 +2112,6 @@
     <string name="wifi_forget_dialog_message">All passwords for this network will be deleted</string>
 
     <!-- Wi-Fi Advanced Settings --> <skip />
-    <!-- Wi-Fi settings screen, Saved networks, settings section.  This is a header shown above Saved networks wifi settings. [CHAR LIMIT=30] -->
-    <string name="wifi_saved_access_points_titlebar">Saved networks</string>
     <!-- Wi-Fi settings screen, Saved networks summary.  This shows below the "Saved networks" item and indicates the number of networks a user has saved. -->
     <plurals name="wifi_saved_access_points_summary">
         <item quantity="one">1 network</item>

res/xml/wifi_display_saved_access_points.xml

@@ -14,7 +14,15 @@
      limitations under the License.
 -->
 
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+<PreferenceScreen
-    android:title="@string/wifi_saved_access_points_titlebar">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:key="saved_access_points"
+    android:title="@string/wifi_saved_access_points_label">
+
+    <PreferenceCategory
+        android:key="saved_access_points_category"
+        android:layout="@layout/preference_category_no_label"
+        settings:controller="com.android.settings.wifi.savedaccesspoints.SavedAccessPointsPreferenceController"/>
 
 </PreferenceScreen>

src/com/android/settings/wifi/savedaccesspoints/SavedAccessPointsPreferenceController.java

@@ -0,0 +1,38 @@
+/*
+ * 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.savedaccesspoints;
+
+
+import android.content.Context;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller that manages a PrferenceGroup, which contains a list of saved access points.
+ */
+public class SavedAccessPointsPreferenceController extends BasePreferenceController {
+
+    public SavedAccessPointsPreferenceController(Context context,
+            String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+}

src/com/android/settings/wifi/savedaccesspoints/SavedAccessPointsWifiSettings.java

@@ -20,51 +20,38 @@ import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.Dialog;
 import android.content.Context;
-import android.icu.text.Collator;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.Log;
 import android.widget.Toast;
+
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
+
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.wifi.WifiConfigUiBase;
 import com.android.settings.wifi.WifiDialog;
 import com.android.settings.wifi.WifiSettings;
 import com.android.settingslib.wifi.AccessPoint;
 import com.android.settingslib.wifi.AccessPointPreference;
 import com.android.settingslib.wifi.WifiSavedConfigUtils;
+
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 
 /**
  * UI to manage saved networks/access points.
- * TODO(b/64806699): convert to {@link DashboardFragment} with {@link PreferenceController}s
  */
-public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
+public class SavedAccessPointsWifiSettings extends DashboardFragment
         implements WifiDialog.WifiDialogListener {
     private static final String TAG = "SavedAccessPoints";
     @VisibleForTesting
     static final int MSG_UPDATE_PREFERENCES = 1;
-    private static final Comparator<AccessPoint> SAVED_NETWORK_COMPARATOR =
-            new Comparator<AccessPoint>() {
-        final Collator mCollator = Collator.getInstance();
-        @Override
-        public int compare(AccessPoint ap1, AccessPoint ap2) {
-            return mCollator.compare(
-                    nullToEmpty(ap1.getConfigName()), nullToEmpty(ap2.getConfigName()));
-        }
-
-        private String nullToEmpty(String string) {
-            return (string == null) ? "" : string;
-        }
-    };
 
     @VisibleForTesting
     final WifiManager.ActionListener mForgetListener = new WifiManager.ActionListener() {
@@ -94,6 +81,7 @@ public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
         public void onSuccess() {
             postUpdatePreference();
         }
+
         @Override
         public void onFailure(int reason) {
             Activity activity = getActivity();
@@ -122,9 +110,18 @@ public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
     }
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
+    protected int getPreferenceScreenResId() {
-        super.onCreate(savedInstanceState);
+        return R.xml.wifi_display_saved_access_points;
-        addPreferencesFromResource(R.xml.wifi_display_saved_access_points);
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
         mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager());
     }
 
@@ -154,7 +151,7 @@ public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
 
         final List<AccessPoint> accessPoints =
                 WifiSavedConfigUtils.getAllConfigs(context, mWifiManager);
-        Collections.sort(accessPoints, SAVED_NETWORK_COMPARATOR);
+        Collections.sort(accessPoints, SavedNetworkComparator.INSTANCE);
         cacheRemoveAllPrefs(preferenceScreen);
 
         final int accessPointsSize = accessPoints.size();

src/com/android/settings/wifi/savedaccesspoints/SavedNetworkComparator.java

@@ -0,0 +1,40 @@
+/*
+ * 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.savedaccesspoints;
+
+import android.icu.text.Collator;
+
+import com.android.settingslib.wifi.AccessPoint;
+
+import java.util.Comparator;
+
+public final class SavedNetworkComparator {
+    public static final Comparator<AccessPoint> INSTANCE =
+            new Comparator<AccessPoint>() {
+                final Collator mCollator = Collator.getInstance();
+
+                @Override
+                public int compare(AccessPoint ap1, AccessPoint ap2) {
+                    return mCollator.compare(
+                            nullToEmpty(ap1.getConfigName()), nullToEmpty(ap2.getConfigName()));
+                }
+
+                private String nullToEmpty(String string) {
+                    return (string == null) ? "" : string;
+                }
+            };
+}

tests/robotests/src/com/android/settings/wifi/savedaccesspoints/SavedAccessPointsWifiSettingsTest.java

@@ -16,6 +16,8 @@
 
 package com.android.settings.wifi.savedaccesspoints;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
@@ -27,6 +29,8 @@ import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.ActionListener;
 import android.os.Handler;
 
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.wifi.WifiConfigController;
 import com.android.settings.wifi.WifiDialog;
@@ -107,4 +111,11 @@ public class SavedAccessPointsWifiSettingsTest {
         verify(mockWifiManager)
                 .forget(eq(mockWifiConfiguration.networkId), any(ActionListener.class));
     }
+
+    @Test
+    public void verifyConstants() {
+        assertThat(mSettings.getMetricsCategory()).isEqualTo(MetricsEvent.WIFI_SAVED_ACCESS_POINTS);
+        assertThat(mSettings.getPreferenceScreenResId())
+                .isEqualTo(R.xml.wifi_display_saved_access_points);
+    }
 }