Unify the default template and title

On AppDataUsage page, using single source of truth to calculate the
default template, and set title base on the current template.

Fix: 213266028
Fix: 234104784
Test: visual - on AppDataUsage
Test: unit test
Change-Id: I80facca0b000964e901905af51a344a4bc9f498b

src/com/android/settings/datausage/AppDataUsage.java

@@ -29,7 +29,6 @@ import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.os.Process;
 import android.os.UserHandle;
-import android.telephony.SubscriptionManager;
 import android.util.ArraySet;
 import android.util.IconDrawableFactory;
 import android.util.Log;
@@ -44,6 +43,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.android.settings.R;
 import com.android.settings.applications.AppInfoBase;
 import com.android.settings.datausage.lib.AppDataUsageDetailsRepository;
+import com.android.settings.datausage.lib.NetworkTemplates;
 import com.android.settings.datausage.lib.NetworkUsageDetailsData;
 import com.android.settings.network.SubscriptionUtil;
 import com.android.settings.widget.EntityHeaderController;
@@ -118,15 +118,16 @@ public class AppDataUsage extends DataUsageBaseFragment implements OnPreferenceC
         mSelectedCycle = (args != null) ? args.getLong(ARG_SELECTED_CYCLE) : 0L;
 
         if (mTemplate == null) {
-            mTemplate = DataUsageUtils.getDefaultTemplate(mContext,
-                    SubscriptionManager.getDefaultDataSubscriptionId());
+            mTemplate = NetworkTemplates.INSTANCE.getDefaultTemplate(mContext);
         }
+        final Activity activity = requireActivity();
+        activity.setTitle(NetworkTemplates.getTitleResId(mTemplate));
         if (mAppItem == null) {
             int uid = (args != null) ? args.getInt(AppInfoBase.ARG_PACKAGE_UID, -1)
                     : getActivity().getIntent().getIntExtra(AppInfoBase.ARG_PACKAGE_UID, -1);
             if (uid == -1) {
                 // TODO: Log error.
-                getActivity().finish();
+                activity.finish();
             } else {
                 addUid(uid);
                 mAppItem = new AppItem(uid);

src/com/android/settings/datausage/AppDataUsageActivity.java

@@ -17,9 +17,9 @@ package com.android.settings.datausage;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
+import android.provider.Settings;
 import android.util.Log;
 
-import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settingslib.AppItem;
 
@@ -61,14 +61,12 @@ public class AppDataUsageActivity extends SettingsActivity {
         args.putParcelable(AppDataUsage.ARG_APP_ITEM, appItem);
         intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args);
         intent.putExtra(EXTRA_SHOW_FRAGMENT, AppDataUsage.class.getName());
-        intent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, R.string.data_usage_app_summary_title);
 
         super.onCreate(savedInstanceState);
     }
 
     @Override
     protected boolean isValidFragment(String fragmentName) {
-        return super.isValidFragment(fragmentName)
-                || AppDataUsage.class.getName().equals(fragmentName);
+        return AppDataUsage.class.getName().equals(fragmentName);
     }
 }

src/com/android/settings/datausage/BillingCycleSettings.java

@@ -44,6 +44,7 @@ import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.datausage.lib.NetworkTemplates;
 import com.android.settings.network.SubscriptionUtil;
 import com.android.settings.network.telephony.MobileNetworkUtils;
 import com.android.settings.search.BaseSearchIndexProvider;
@@ -128,8 +129,7 @@ public class BillingCycleSettings extends DataUsageBaseFragment implements
         }
 
         if (mNetworkTemplate == null) {
-            mNetworkTemplate = DataUsageUtils.getDefaultTemplate(context,
-                DataUsageUtils.getDefaultSubscriptionId(context));
+            mNetworkTemplate = NetworkTemplates.INSTANCE.getDefaultTemplate(context);
         }
 
         mBillingCycle = findPreference(KEY_BILLING_CYCLE);

src/com/android/settings/datausage/DataUsageUtils.java

@@ -17,7 +17,6 @@ package com.android.settings.datausage;
 import static android.content.pm.PackageManager.FEATURE_ETHERNET;
 import static android.content.pm.PackageManager.FEATURE_USB_HOST;
 import static android.content.pm.PackageManager.FEATURE_WIFI;
-import static android.telephony.TelephonyManager.SIM_STATE_READY;
 
 import android.app.usage.NetworkStats.Bucket;
 import android.app.usage.NetworkStatsManager;
@@ -49,7 +48,6 @@ import java.util.Optional;
 public final class DataUsageUtils {
     static final boolean TEST_RADIOS = false;
     static final String TEST_RADIOS_PROP = "test.radios";
-    private static final boolean LOGD = false;
     private static final String ETHERNET = "ethernet";
     private static final String TAG = "DataUsageUtils";
 
@@ -106,44 +104,6 @@ public final class DataUsageUtils {
         return tele.isDataCapable();
     }
 
-    /**
-     * Test if device has a mobile data radio with SIM in ready state.
-     */
-    public static boolean hasReadyMobileRadio(Context context) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
-        }
-        final List<SubscriptionInfo> subInfoList =
-                ProxySubscriptionManager.getInstance(context)
-                .getActiveSubscriptionsInfo();
-        // No activated Subscriptions
-        if (subInfoList == null) {
-            if (LOGD) {
-                Log.d(TAG, "hasReadyMobileRadio: subInfoList=null");
-            }
-            return false;
-        }
-        final TelephonyManager tele = context.getSystemService(TelephonyManager.class);
-        // require both supported network and ready SIM
-        boolean isReady = true;
-        for (SubscriptionInfo subInfo : subInfoList) {
-            isReady = isReady & tele.getSimState(subInfo.getSimSlotIndex()) == SIM_STATE_READY;
-            if (LOGD) {
-                Log.d(TAG, "hasReadyMobileRadio: subInfo=" + subInfo);
-            }
-        }
-
-        final boolean isDataCapable = tele.isDataCapable();
-        final boolean retVal = isDataCapable && isReady;
-        if (LOGD) {
-            Log.d(TAG, "hasReadyMobileRadio:"
-                    + " telephonManager.isDataCapable()="
-                    + isDataCapable
-                    + " isReady=" + isReady);
-        }
-        return retVal;
-    }
-
     /**
      * Whether device has a Wi-Fi data radio.
      */

src/com/android/settings/datausage/lib/NetworkTemplates.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2023 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.datausage.lib
+
+import android.content.Context
+import android.net.NetworkTemplate
+import android.telephony.SubscriptionManager
+import androidx.annotation.StringRes
+import com.android.settings.R
+import com.android.settings.datausage.DataUsageUtils
+
+interface INetworkTemplates {
+    /**
+     * Returns the default network template based on the availability of mobile data, Wifi. Returns
+     * ethernet template if both mobile data and Wifi are not available.
+     */
+    fun getDefaultTemplate(context: Context): NetworkTemplate
+}
+
+object NetworkTemplates : INetworkTemplates {
+    @JvmStatic
+    @StringRes
+    fun NetworkTemplate.getTitleResId(): Int =
+        when (matchRule) {
+            NetworkTemplate.MATCH_MOBILE,
+            NetworkTemplate.MATCH_CARRIER -> R.string.cellular_data_usage
+
+            NetworkTemplate.MATCH_WIFI -> R.string.wifi_data_usage
+            NetworkTemplate.MATCH_ETHERNET -> R.string.ethernet_data_usage
+            else -> R.string.data_usage_app_summary_title
+        }
+
+    /**
+     * Returns the default network template based on the availability of mobile data, Wifi. Returns
+     * ethernet template if both mobile data and Wifi are not available.
+     */
+    override fun getDefaultTemplate(context: Context): NetworkTemplate =
+        DataUsageUtils.getDefaultTemplate(
+            context,
+            SubscriptionManager.getDefaultDataSubscriptionId(),
+        )
+}