Support phone number in Settings slices

- Let controller of phoner number extends BasePreferenceController,
so it can be supported showing slice view by SettingsSliceProvider.

Test: make RunSettingsRoboTests
Bug: 74900516
Change-Id: Id98e6aac981025159a0530c6e0709ba0f2ebcd15

res/xml/my_device_info.xml

@@ -47,7 +47,10 @@
         android:order="3"
         android:title="@string/status_number"
         android:summary="@string/summary_placeholder"
-        android:selectable="false"/>
+        android:selectable="false"
+        settings:allowDynamicSummaryInSlice="true"
+        settings:controller=
+            "com.android.settings.deviceinfo.PhoneNumberPreferenceController" />
 
     <Preference
         android:key="emergency_info"

src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java

@@ -29,15 +29,13 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settingslib.DeviceInfoUtils;
-import com.android.settingslib.core.AbstractPreferenceController;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class PhoneNumberPreferenceController extends AbstractPreferenceController implements
-        PreferenceControllerMixin {
+public class PhoneNumberPreferenceController extends BasePreferenceController {
 
     private final static String KEY_PHONE_NUMBER = "phone_number";
 
@@ -45,21 +43,20 @@ public class PhoneNumberPreferenceController extends AbstractPreferenceControlle
     private final SubscriptionManager mSubscriptionManager;
     private final List<Preference> mPreferenceList = new ArrayList<>();
 
-    public PhoneNumberPreferenceController(Context context) {
-        super(context);
-        mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
-        mSubscriptionManager = (SubscriptionManager) context.getSystemService(
-                Context.TELEPHONY_SUBSCRIPTION_SERVICE);
+    public PhoneNumberPreferenceController(Context context, String key) {
+        super(context, key);
+        mTelephonyManager = mContext.getSystemService(TelephonyManager.class);
+        mSubscriptionManager =  mContext.getSystemService(SubscriptionManager.class);
     }
 
     @Override
-    public String getPreferenceKey() {
-        return KEY_PHONE_NUMBER;
+    public int getAvailabilityStatus() {
+        return mTelephonyManager.isVoiceCapable() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     }
 
     @Override
-    public boolean isAvailable() {
-        return mTelephonyManager.isVoiceCapable();
+    public CharSequence getSummary() {
+        return getFirstPhoneNumber();
     }
 
     @Override
@@ -89,10 +86,26 @@ public class PhoneNumberPreferenceController extends AbstractPreferenceControlle
         }
     }
 
+    @Override
+    public boolean isSliceable() {
+        return true;
+    }
+
+    private CharSequence getFirstPhoneNumber() {
+        final List<SubscriptionInfo> subscriptionInfoList =
+                mSubscriptionManager.getActiveSubscriptionInfoList();
+        if (subscriptionInfoList == null) {
+            return mContext.getText(R.string.device_info_default);
+        }
+
+        // For now, We only return first result for slice view.
+        return getFormattedPhoneNumber(subscriptionInfoList.get(0));
+    }
+
     private CharSequence getPhoneNumber(int simSlot) {
         final SubscriptionInfo subscriptionInfo = getSubscriptionInfo(simSlot);
         if (subscriptionInfo == null) {
-            return mContext.getString(R.string.device_info_default);
+            return mContext.getText(R.string.device_info_default);
         }
 
         return getFormattedPhoneNumber(subscriptionInfo);

src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java

@@ -41,7 +41,6 @@ import com.android.settings.deviceinfo.FccEquipmentIdPreferenceController;
 import com.android.settings.deviceinfo.FeedbackPreferenceController;
 import com.android.settings.deviceinfo.IpAddressPreferenceController;
 import com.android.settings.deviceinfo.ManualPreferenceController;
-import com.android.settings.deviceinfo.PhoneNumberPreferenceController;
 import com.android.settings.deviceinfo.RegulatoryInfoPreferenceController;
 import com.android.settings.deviceinfo.SafetyInfoPreferenceController;
 import com.android.settings.deviceinfo.UptimePreferenceController;
@@ -110,7 +109,6 @@ public class MyDeviceInfoFragment extends DashboardFragment
             Lifecycle lifecycle) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
         controllers.add(new EmergencyInfoPreferenceController(context));
-        controllers.add(new PhoneNumberPreferenceController(context));
         controllers.add(new BrandedAccountPreferenceController(context));
         DeviceNamePreferenceController deviceNamePreferenceController =
                 new DeviceNamePreferenceController(context);

tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java

@@ -16,8 +16,7 @@
 
 package com.android.settings.deviceinfo;
 
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
+import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.doReturn;
@@ -27,12 +26,14 @@ import static org.mockito.Mockito.when;
 
 import android.content.Context;
 import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
 import org.junit.Before;
@@ -41,7 +42,6 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
-import org.robolectric.util.ReflectionHelpers;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 public class PhoneNumberPreferenceControllerTest {
@@ -55,6 +55,8 @@ public class PhoneNumberPreferenceControllerTest {
     @Mock
     private SubscriptionInfo mSubscriptionInfo;
     @Mock
+    private SubscriptionManager mSubscriptionManager;
+    @Mock
     private PreferenceScreen mScreen;
 
     private Context mContext;
@@ -63,9 +65,10 @@ public class PhoneNumberPreferenceControllerTest {
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
-        mContext = RuntimeEnvironment.application;
-        mController = spy(new PhoneNumberPreferenceController(mContext));
-        ReflectionHelpers.setField(mController, "mTelephonyManager", mTelephonyManager);
+        mContext = spy(RuntimeEnvironment.application);
+        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);
+        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
+        mController = spy(new PhoneNumberPreferenceController(mContext, "phone_number"));
         final String prefKey = mController.getPreferenceKey();
         when(mScreen.findPreference(prefKey)).thenReturn(mPreference);
         when(mScreen.getContext()).thenReturn(mContext);
@@ -75,17 +78,19 @@ public class PhoneNumberPreferenceControllerTest {
     }
 
     @Test
-    public void isAvailable_shouldBeTrueIfCallCapable() {
+    public void getAvailabilityStatus_isVoiceCapable_shouldBeAVAILABLE() {
         when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
 
-        assertTrue(mController.isAvailable());
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
     }
 
     @Test
-    public void isAvailable_shouldBeFalseIfNotCallCapable() {
+    public void getAvailabilityStatus_isNotVoiceCapable_shouldBeUNSUPPORTED_ON_DEVICE() {
         when(mTelephonyManager.isVoiceCapable()).thenReturn(false);
 
-        assertFalse(mController.isAvailable());
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.UNSUPPORTED_ON_DEVICE);
     }
 
     @Test
@@ -126,4 +131,19 @@ public class PhoneNumberPreferenceControllerTest {
                 mContext.getString(R.string.status_number_sim_slot, 2 /* sim slot */));
         verify(mSecondPreference).setSummary(phoneNumber);
     }
+
+    @Test
+    public void getSummary_cannotGetActiveSubscriptionInfo_shouldShowUnknown() {
+        when(mSubscriptionManager.getActiveSubscriptionInfoList()).thenReturn(null);
+
+        CharSequence primaryNumber = mController.getSummary();
+
+        assertThat(primaryNumber).isNotNull();
+        assertThat(primaryNumber).isEqualTo(mContext.getString(R.string.device_info_default));
+    }
+
+    @Test
+    public void isSliceable_shouldBeTrue() {
+        assertThat(mController.isSliceable()).isTrue();
+    }
 }