Developer option to enable CBRS

Add new developer option to enable
or disable CBRS Data

Bug: 113278158
Test: On device
Change-Id: I667a7c90b0bb7e9e0c70f41b28d376c9170e65d9

src/com/android/settings/development/CbrsDataSwitchPreferenceController.java

@@ -0,0 +1,66 @@
+/*
+ * 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.development;
+
+import android.content.Context;
+import android.util.Log;
+import android.telephony.TelephonyManager;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class CbrsDataSwitchPreferenceController extends DeveloperOptionsPreferenceController
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
+    private static final String CBRS_DATA_SWITCH_KEY = "cbrs_data_switch";
+    private static final String TAG = "CbrsDataSwitchPreferenceController";
+    private Context mContext;
+
+    private TelephonyManager mTelephonyManager;
+
+    public CbrsDataSwitchPreferenceController(Context context) {
+        super(context);
+        mContext = context;
+        mTelephonyManager = mContext.getSystemService(TelephonyManager.class);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return CBRS_DATA_SWITCH_KEY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mTelephonyManager != null;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        boolean state = (Boolean)newValue;
+        return mTelephonyManager.setAlternativeNetworkAccessState(state);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        boolean state = mTelephonyManager.isAlternativeNetworkAccessEnabled();
+        ((SwitchPreference) mPreference).setChecked(state);
+    }
+
+}

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -460,6 +460,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new FreeformWindowsPreferenceController(context));
         controllers.add(new ShortcutManagerThrottlingPreferenceController(context));
         controllers.add(new EnableGnssRawMeasFullTrackingPreferenceController(context));
+        controllers.add(new CbrsDataSwitchPreferenceController(context));
         controllers.add(new DefaultLaunchPreferenceController(context, "running_apps"));
         controllers.add(new DefaultLaunchPreferenceController(context, "demo_mode"));
         controllers.add(new DefaultLaunchPreferenceController(context, "quick_settings_tiles"));