Show footer to notify user no 5G in DSDS mode.

Bug: 151657272 Test: manual and robotests Change-Id: I5df95528aae12b43a15389b8048f14d9508272f3
2020-03-24 16:02:43 -07:00
parent a3fccb9cc0
commit b5e7565175
4 changed files with 176 additions and 0 deletions
--- a/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java
+++ b/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2020 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.network.telephony;
+
+import android.content.Context;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Class to show the footer that can't connect to 5G when device is in DSDS mode.
+ */
+public class NrDisabledInDsdsFooterPreferenceController extends BasePreferenceController {
+    private int mSubId;
+
+    /**
+     * Constructor.
+     */
+    public NrDisabledInDsdsFooterPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+    }
+
+    /**
+     * Init and specify a subId.
+     */
+    public void init(int subId) {
+        mSubId = subId;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+
+        final TelephonyManager teleManager = ((TelephonyManager)
+                mContext.getSystemService(Context.TELEPHONY_SERVICE))
+                .createForSubscriptionId(mSubId);
+        // Show the footer only when DSDS is enabled, and mobile data is enabled on this SIM, and
+        // 5G is supported on this device.
+        if (!teleManager.isDataEnabled() || teleManager.getActiveModemCount() < 2
+                || !is5GSupportedByRadio(teleManager)) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+        return AVAILABLE;
+    }
+
+    private boolean is5GSupportedByRadio(TelephonyManager tm) {
+        return (tm.getSupportedRadioAccessFamily() & TelephonyManager.NETWORK_TYPE_BITMASK_NR) > 0;
+    }
+}