Update DeviceModelPreferenceController

- Added serial number to the dialog for about phone v2
 - prefixed model to the preference summary for about phone v2

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: Ic2950adcecf940ad8c9256688dc70b662ad5f0d6

src/com/android/settings/DeviceInfoSettings.java

@@ -49,10 +49,11 @@ import java.util.List;
 
 public class DeviceInfoSettings extends DashboardFragment implements Indexable {
 
+    public static final String DEVICE_INFO_V2_FEATURE_FLAG = "device_info_v2";
+
     private static final String LOG_TAG = "DeviceInfoSettings";
 
     private static final String KEY_LEGAL_CONTAINER = "legal_container";
-    private static final String DEVICE_INFO_V2_FEATURE_FLAG = "device_info_v2";
 
     @Override
     public int getMetricsCategory() {
@@ -127,7 +128,7 @@ public class DeviceInfoSettings extends DashboardFragment implements Indexable {
 
             // SIM status
 
-            // Model & hardware
+            controllers.add(new DeviceModelPreferenceController(context, fragment));
 
             // IMEI
 

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

@@ -21,7 +21,10 @@ import android.os.Build;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
+import android.util.FeatureFlagUtils;
 
+import com.android.settings.DeviceInfoSettings;
+import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.DeviceInfoUtils;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -48,7 +51,12 @@ public class DeviceModelPreferenceController extends AbstractPreferenceControlle
         super.displayPreference(screen);
         final Preference pref = screen.findPreference(KEY_DEVICE_MODEL);
         if (pref != null) {
-            pref.setSummary(getDeviceModel());
+            if (FeatureFlagUtils.isEnabled(DeviceInfoSettings.DEVICE_INFO_V2_FEATURE_FLAG)) {
+                pref.setSummary(mContext.getResources().getString(R.string.model_summary,
+                        getDeviceModel()));
+            } else {
+                pref.setSummary(getDeviceModel());
+            }
         }
     }
 

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

@@ -18,15 +18,18 @@ package com.android.settings.deviceinfo;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.support.annotation.VisibleForTesting;
 import android.text.TextUtils;
+import android.util.FeatureFlagUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
 import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.DeviceInfoSettings;
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 
@@ -54,6 +57,15 @@ public class HardwareInfoDialogFragment extends InstrumentedDialogFragment {
         // Model
         setText(content, R.id.model_label, R.id.model_value,
                 DeviceModelPreferenceController.getDeviceModel());
+
+        // Serial number
+        if (FeatureFlagUtils.isEnabled(DeviceInfoSettings.DEVICE_INFO_V2_FEATURE_FLAG)) {
+            setText(content, R.id.serial_number_label, R.id.serial_number_value, getSerialNumber());
+        } else {
+            content.findViewById(R.id.serial_number_label).setVisibility(View.GONE);
+            content.findViewById(R.id.serial_number_value).setVisibility(View.GONE);
+        }
+
         // Hardware rev
         setText(content, R.id.hardware_rev_label, R.id.hardware_rev_value,
                 SystemProperties.get("ro.boot.hardware.revision"));
@@ -77,4 +89,9 @@ public class HardwareInfoDialogFragment extends InstrumentedDialogFragment {
             valueView.setVisibility(View.GONE);
         }
     }
+
+    @VisibleForTesting
+    String getSerialNumber() {
+        return Build.getSerial();
+    }
 }

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

@@ -24,7 +24,10 @@ import com.android.settingslib.deviceinfo.AbstractSerialNumberPreferenceControll
 
 /**
  * Preference controller for displaying device serial number. Wraps {@link Build#getSerial()}.
+ *
+ * deprecated because this preference is no longer used in About Phone V2
  */
+@Deprecated
 public class SerialNumberPreferenceController extends
         AbstractSerialNumberPreferenceController implements
         PreferenceControllerMixin {