Developer option to enable CBRS

Add new developer option to enable
or disable CBRS Data

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

res/values/strings.xml

@@ -10068,4 +10068,10 @@
     <!-- Homepage bottom menu. Title for display personalized Settings [CHAR LIMIT=30] -->
     <string name="homepage_personal_settings">Your Settings</string>
 
+    <!-- Setting Checkbox title whether to enable CBRS data. [CHAR LIMIT=40] -->
+    <string name="cbrs_data_switch">CBRS Data</string>
+
+    <!-- Title of implications of enabling CBRS Data -->
+    <string name="cbrs_data_switch_summary">CBRS Data</string>
+
 </resources>

res/xml/development_settings.xml

@@ -233,6 +233,11 @@
             android:icon="@drawable/ic_usb"
             android:title="@string/usb_default_label"/>
 
+        <SwitchPreference
+            android:key="cbrs_data_switch"
+            android:title="@string/cbrs_data_switch"
+            android:summary="@string/cbrs_data_switch" />
+
         <SwitchPreference
             android:key="bluetooth_show_devices_without_names"
             android:title="@string/bluetooth_show_devices_without_names"

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"));

tests/robotests/src/com/android/settings/development/CbrsDataSwitchPreferenceControllerTest.java

@@ -0,0 +1,90 @@
+/*
+ * 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 static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.telephony.TelephonyManager;
+
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public final class CbrsDataSwitchPreferenceControllerTest {
+
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    private Context mContext;
+    private TelephonyManager mTelephonyManager;
+    private SwitchPreference mPreference;
+    private CbrsDataSwitchPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = new CbrsDataSwitchPreferenceController(mContext);
+        mPreference = new SwitchPreference(mContext);
+        when(mPreferenceScreen.findPreference(mController.getPreferenceKey()))
+            .thenReturn(mPreference);
+        mTelephonyManager = mContext.getSystemService(TelephonyManager.class);
+        mController.displayPreference(mPreferenceScreen);
+    }
+
+    @Test
+    public void onPreferenceChanged_settingEnabled_shouldEnableANAS() {
+        mController.onPreferenceChange(mPreference, true);
+
+        assertThat(mTelephonyManager.isAlternativeNetworkAccessEnabled()).isTrue();
+    }
+
+    @Test
+    public void onPreferenceChanged_settingDisabled_shouldDisableANAS() {
+        mController.onPreferenceChange(mPreference, false);
+
+        assertThat(mTelephonyManager.isAlternativeNetworkAccessEnabled()).isFalse();
+    }
+
+    @Test
+    public void updateState_settingEnabled_shouldEnablePreference() {
+        mTelephonyManager.setAlternativeNetworkAccessState(true);
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void updateState_settingDisabled_shouldDisablePreference() {
+        mTelephonyManager.setAlternativeNetworkAccessState(false);
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+}