Phone number in about phone v2

 - Introduce preference controller to manage phone number
 - Add new strings for multi sim devices

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: Ibf5dc65ba67969b6eeb095b8d202ef8a5faf16ca
diff --git a/res/values/strings.xml b/res/values/strings.xml
index ad0550f..de75fc7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2675,6 +2675,10 @@
     <string name="status_number" product="tablet">MDN</string>
     <!-- About phone, status item title.  The phone number of the current device [CHAR LIMIT=30] -->
     <string name="status_number" product="default">Phone number</string>
+    <!-- About tablet, status item title for multi-sim devices.  The Mobile Directory Number [CHAR LIMIT=30] -->
+    <string name="status_number_sim_slot" product="tablet">MDN (sim slot %1$d)</string>
+    <!-- About phone, status item title for multi-sim devices.  The phone number of the current device [CHAR LIMIT=30] -->
+    <string name="status_number_sim_slot" product="default">Phone number (sim slot %1$d)</string>
     <!-- About tablet, status item title.  The Mobile Directory Number [CHAR LIMIT=30] -->
     <string name="status_number_sim_status" product="tablet">MDN on SIM</string>
     <!-- About phone, status item title.  The phone number of the current device [CHAR LIMIT=30] -->
diff --git a/src/com/android/settings/DeviceInfoSettings.java b/src/com/android/settings/DeviceInfoSettings.java
index 63253da..42cac98 100644
--- a/src/com/android/settings/DeviceInfoSettings.java
+++ b/src/com/android/settings/DeviceInfoSettings.java
@@ -36,6 +36,7 @@
 import com.android.settings.deviceinfo.IpAddressPreferenceController;
 import com.android.settings.deviceinfo.KernelVersionPreferenceController;
 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.SecurityPatchPreferenceController;
@@ -128,7 +129,7 @@
             final List<AbstractPreferenceController> controllers = new ArrayList<>();
             // Device name
 
-            // Phone number
+            controllers.add(new PhoneNumberPreferenceController(context));
 
             controllers.add(new SimStatusPreferenceControllerV2(context, fragment));
 
diff --git a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
new file mode 100644
index 0000000..5edac0f
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2017 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.deviceinfo;
+
+import android.content.Context;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+
+import com.android.settings.R;
+import com.android.settingslib.DeviceInfoUtils;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PhoneNumberPreferenceController extends AbstractPreferenceController {
+
+    private final static String KEY_PHONE_NUMBER = "phone_number";
+
+    private final TelephonyManager mTelephonyManager;
+    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);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_PHONE_NUMBER;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final Preference preference = screen.findPreference(getPreferenceKey());
+        mPreferenceList.add(preference);
+
+        final int phonePreferenceOrder = preference.getOrder();
+        // Add additional preferences for each sim in the device
+        for (int simSlotNumber = 1; simSlotNumber < mTelephonyManager.getPhoneCount();
+                simSlotNumber++) {
+            final Preference multiSimPreference = createNewPreference(screen.getContext());
+            multiSimPreference.setOrder(phonePreferenceOrder + simSlotNumber);
+            multiSimPreference.setKey(KEY_PHONE_NUMBER + simSlotNumber);
+            screen.addPreference(multiSimPreference);
+            mPreferenceList.add(multiSimPreference);
+        }
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        for (int simSlotNumber = 0; simSlotNumber < mPreferenceList.size(); simSlotNumber++) {
+            final Preference simStatusPreference = mPreferenceList.get(simSlotNumber);
+            simStatusPreference.setTitle(getPreferenceTitle(simSlotNumber));
+            simStatusPreference.setSummary(getPhoneNumber(simSlotNumber));
+        }
+    }
+
+    private CharSequence getPhoneNumber(int simSlot) {
+        final SubscriptionInfo subscriptionInfo = getSubscriptionInfo(simSlot);
+        if (subscriptionInfo == null) {
+            return mContext.getString(R.string.device_info_default);
+        }
+
+        return getFormattedPhoneNumber(subscriptionInfo);
+    }
+
+    private CharSequence getPreferenceTitle(int simSlot) {
+        return mTelephonyManager.getPhoneCount() > 1 ? mContext.getString(
+                R.string.status_number_sim_slot, simSlot + 1) : mContext.getString(
+                R.string.status_number);
+    }
+
+    @VisibleForTesting
+    SubscriptionInfo getSubscriptionInfo(int simSlot) {
+        final List<SubscriptionInfo> subscriptionInfoList =
+                mSubscriptionManager.getActiveSubscriptionInfoList();
+        if (subscriptionInfoList != null) {
+            for (SubscriptionInfo info : subscriptionInfoList) {
+                if (info.getSimSlotIndex() == simSlot) {
+                    return info;
+                }
+            }
+        }
+        return null;
+    }
+
+    @VisibleForTesting
+    CharSequence getFormattedPhoneNumber(SubscriptionInfo subscriptionInfo) {
+        final String phoneNumber = DeviceInfoUtils.getFormattedPhoneNumber(mContext,
+                subscriptionInfo);
+        return TextUtils.isEmpty(phoneNumber) ? mContext.getString(R.string.device_info_default)
+                : phoneNumber;
+    }
+
+    @VisibleForTesting
+    Preference createNewPreference(Context context) {
+        return new Preference(context);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java
new file mode 100644
index 0000000..37c814a
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2017 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.deviceinfo;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.telephony.SubscriptionInfo;
+import android.telephony.TelephonyManager;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+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.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O)
+public class PhoneNumberPreferenceControllerTest {
+
+    @Mock
+    private Preference mPreference;
+    @Mock
+    private Preference mSecondPreference;
+    @Mock
+    private TelephonyManager mTelephonyManager;
+    @Mock
+    private SubscriptionInfo mSubscriptionInfo;
+    @Mock
+    private PreferenceScreen mScreen;
+
+    private Context mContext;
+    private PhoneNumberPreferenceController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = spy(new PhoneNumberPreferenceController(mContext));
+        ReflectionHelpers.setField(mController, "mTelephonyManager", mTelephonyManager);
+        final String prefKey = mController.getPreferenceKey();
+        when(mScreen.findPreference(prefKey)).thenReturn(mPreference);
+        when(mScreen.getContext()).thenReturn(mContext);
+        doReturn(mSubscriptionInfo).when(mController).getSubscriptionInfo(anyInt());
+        doReturn(mSecondPreference).when(mController).createNewPreference(mContext);
+        when(mPreference.isVisible()).thenReturn(true);
+    }
+
+    @Test
+    public void displayPreference_multiSim_shouldAddSecondPreference() {
+        when(mTelephonyManager.getPhoneCount()).thenReturn(2);
+
+        mController.displayPreference(mScreen);
+
+        verify(mScreen).addPreference(mSecondPreference);
+    }
+
+    @Test
+    public void updateState_singleSim_shouldUpdateTitleAndPhoneNumber() {
+        final String phoneNumber = "1111111111";
+        doReturn(phoneNumber).when(mController).getFormattedPhoneNumber(mSubscriptionInfo);
+        when(mTelephonyManager.getPhoneCount()).thenReturn(1);
+        mController.displayPreference(mScreen);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setTitle(mContext.getString(R.string.status_number));
+        verify(mPreference).setSummary(phoneNumber);
+    }
+
+    @Test
+    public void updateState_multiSim_shouldUpdateTitleAndPhoneNumberOfMultiplePreferences() {
+        final String phoneNumber = "1111111111";
+        doReturn(phoneNumber).when(mController).getFormattedPhoneNumber(mSubscriptionInfo);
+        when(mTelephonyManager.getPhoneCount()).thenReturn(2);
+        mController.displayPreference(mScreen);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setTitle(
+                mContext.getString(R.string.status_number_sim_slot, 1 /* sim slot */));
+        verify(mPreference).setSummary(phoneNumber);
+        verify(mSecondPreference).setTitle(
+                mContext.getString(R.string.status_number_sim_slot, 2 /* sim slot */));
+        verify(mSecondPreference).setSummary(phoneNumber);
+    }
+}