Added the EmergencyInfoSlice for ContextualHomepage

- Generated a simple EmergencyInfo slice with fixed string in title and summary.
- Moved hardcode string into strings.xml
- Modified the contentProviderCall_returnCorrectSize test case for general version

Bug: 114793520
Test: compile and manual test
Change-Id: Ia3444c61b0f7e4c04794fe3590dc0731885cf062

src/com/android/settings/homepage/contextualcards/SettingsContextualCardProvider.java

@@ -23,6 +23,7 @@ import android.annotation.Nullable;
 import com.android.settings.homepage.deviceinfo.DataUsageSlice;
 import com.android.settings.homepage.deviceinfo.DeviceInfoSlice;
 import com.android.settings.homepage.deviceinfo.StorageSlice;
+import com.android.settings.homepage.deviceinfo.EmergencyInfoSlice;
 import com.android.settings.intelligence.ContextualCardProto.ContextualCard;
 import com.android.settings.intelligence.ContextualCardProto.ContextualCardList;
 import com.android.settings.wifi.WifiSlice;
@@ -57,11 +58,17 @@ public class SettingsContextualCardProvider extends ContextualCardProvider {
                         .setSliceUri(StorageSlice.STORAGE_CARD_URI.toString())
                         .setCardName(StorageSlice.PATH_STORAGE_INFO)
                         .build();
+        final ContextualCard emergencyInfoCard =
+                ContextualCard.newBuilder()
+                        .setSliceUri(EmergencyInfoSlice.EMERGENCY_INFO_CARD_URI.toString())
+                        .setCardName(EmergencyInfoSlice.PATH_EMERGENCY_INFO_CARD)
+                        .build();
         final ContextualCardList cards = ContextualCardList.newBuilder()
                 .addCard(wifiCard)
                 .addCard(dataUsageCard)
                 .addCard(deviceInfoCard)
                 .addCard(storageInfoCard)
+                .addCard(emergencyInfoCard)
                 .build();
 
         return cards;

src/com/android/settings/homepage/deviceinfo/EmergencyInfoSlice.java

@@ -0,0 +1,77 @@
+/*
+ * 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.homepage.deviceinfo;
+
+import android.app.PendingIntent;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
+import androidx.core.graphics.drawable.IconCompat;
+import androidx.slice.Slice;
+import androidx.slice.builders.ListBuilder;
+import androidx.slice.builders.SliceAction;
+
+import com.android.settings.R;
+import com.android.settings.slices.SettingsSliceProvider;
+
+// This is a slice helper class for EmergencyInfo
+public class EmergencyInfoSlice {
+    /**
+     * The path denotes the unique name of emergency info slice.
+     */
+    public static final String PATH_EMERGENCY_INFO_CARD = "emergency_info_card";
+
+    /**
+     * Backing Uri for the Emergency Info Slice.
+     */
+    public static final Uri EMERGENCY_INFO_CARD_URI = new Uri.Builder()
+            .scheme(ContentResolver.SCHEME_CONTENT)
+            .authority(SettingsSliceProvider.SLICE_AUTHORITY)
+            .appendPath(PATH_EMERGENCY_INFO_CARD)
+            .build();
+
+    private static final String ACTION_EDIT_EMERGENCY_INFO = "android.settings.EDIT_EMERGENCY_INFO";
+
+    public static Slice getSlice(Context context) {
+        final ListBuilder listBuilder = new ListBuilder(context, EMERGENCY_INFO_CARD_URI,
+                ListBuilder.INFINITY);
+        listBuilder.addRow(
+                new ListBuilder.RowBuilder()
+                        .setTitle(context.getText(R.string.emergency_info_title))
+                        .setSubtitle(
+                                context.getText(R.string.emergency_info_contextual_card_summary))
+                        .setPrimaryAction(generatePrimaryAction(context)));
+        return listBuilder.build();
+    }
+
+    private static SliceAction generatePrimaryAction(Context context) {
+        PendingIntent pendingIntent =
+                PendingIntent.getActivity(
+                        context,
+                        0 /* requestCode */,
+                        new Intent(ACTION_EDIT_EMERGENCY_INFO),
+                        PendingIntent.FLAG_UPDATE_CURRENT);
+
+        return SliceAction.create(
+                pendingIntent,
+                IconCompat.createWithResource(context, R.drawable.empty_icon),
+                ListBuilder.SMALL_IMAGE,
+                context.getText(R.string.emergency_info_title));
+    }
+}

src/com/android/settings/slices/SettingsSliceProvider.java

@@ -41,6 +41,7 @@ import com.android.settings.R;
 import com.android.settings.bluetooth.BluetoothSliceBuilder;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.flashlight.FlashlightSliceBuilder;
+import com.android.settings.homepage.deviceinfo.EmergencyInfoSlice;
 import com.android.settings.location.LocationSliceBuilder;
 import com.android.settings.network.telephony.Enhanced4gLteSliceHelper;
 import com.android.settings.notification.ZenModeSliceBuilder;
@@ -178,6 +179,8 @@ public class SettingsSliceProvider extends SliceProvider {
             registerIntentToUri(FlashlightSliceBuilder.INTENT_FILTER, sliceUri);
             mRegisteredUris.add(sliceUri);
             return;
+        } else if (EmergencyInfoSlice.EMERGENCY_INFO_CARD_URI.equals(sliceUri)) {
+            return;
         }
 
         // Start warming the slice, we expect someone will want it soon.
@@ -241,6 +244,8 @@ public class SettingsSliceProvider extends SliceProvider {
                         .createWifiCallingPreferenceSlice(sliceUri);
             } else if (FlashlightSliceBuilder.FLASHLIGHT_URI.equals(sliceUri)) {
                 return FlashlightSliceBuilder.getSlice(getContext());
+            } else if (EmergencyInfoSlice.EMERGENCY_INFO_CARD_URI.equals(sliceUri)) {
+                return EmergencyInfoSlice.getSlice(getContext());
             }
 
             SliceData cachedSliceData = mSliceWeakDataCache.get(sliceUri);