Hook up feature flag to mobile network controller

Send intent to phone process if the flag is false.

Bug: 113069948
Test: RunSettingsRoboTests
Change-Id: Ie9726470e718144557f318fe7ea28e863d63679c

res/xml/network_and_internet.xml

@@ -42,10 +42,6 @@
         settings:keywords="@string/keywords_more_mobile_networks"
         settings:userRestriction="no_config_mobile_networks"
         settings:useAdminDisabledSummary="true">
-        <intent
-            android:action="android.intent.action.MAIN"
-            android:targetPackage="com.android.phone"
-            android:targetClass="com.android.phone.MobileNetworkSettings" />
     </com.android.settingslib.RestrictedPreference>
 
     <com.android.settingslib.RestrictedPreference

src/com/android/settings/core/FeatureFlags.java

@@ -25,4 +25,5 @@ public class FeatureFlags {
     public static final String AUDIO_SWITCHER_SETTINGS = "settings_audio_switcher";
     public static final String DYNAMIC_HOMEPAGE = "settings_dynamic_homepage";
     public static final String HEARING_AID_SETTINGS = "settings_bluetooth_hearing_aid";
+    public static final String MOBILE_NETWORK_V2 = "settings_mobile_network_v2";
 }

src/com/android/settings/network/MobileNetworkPreferenceController.java

@@ -19,6 +19,7 @@ import static android.os.UserHandle.myUserId;
 import static android.os.UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS;
 
 import android.content.BroadcastReceiver;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -27,7 +28,9 @@ import android.provider.Settings;
 import android.telephony.PhoneStateListener;
 import android.telephony.ServiceState;
 import android.telephony.TelephonyManager;
+import android.util.FeatureFlagUtils;
 
+import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedPreference;
@@ -44,7 +47,12 @@ import androidx.preference.PreferenceScreen;
 public class MobileNetworkPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin, LifecycleObserver, OnStart, OnStop {
 
-    private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
+    @VisibleForTesting
+    static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
+    @VisibleForTesting
+    static final String MOBILE_NETWORK_PACKAGE = "com.android.phone";
+    @VisibleForTesting
+    static final String MOBILE_NETWORK_CLASS = "com.android.phone.MobileNetworkSettings";
 
     private final boolean mIsSecondaryUser;
     private final TelephonyManager mTelephonyManager;
@@ -134,6 +142,22 @@ public class MobileNetworkPreferenceController extends AbstractPreferenceControl
             mContext.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 0) == 0);
     }
 
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (KEY_MOBILE_NETWORK_SETTINGS.equals(preference.getKey())) {
+            if (FeatureFlagUtils.isEnabled(mContext, FeatureFlags.MOBILE_NETWORK_V2)) {
+                //TODO(b/110260193): go to the mobile network page existed in settings
+            } else {
+                final Intent intent = new Intent(Intent.ACTION_MAIN);
+                intent.setComponent(
+                        new ComponentName(MOBILE_NETWORK_PACKAGE, MOBILE_NETWORK_CLASS));
+                mContext.startActivity(intent);
+            }
+            return true;
+        }
+        return false;
+    }
+
     @Override
     public CharSequence getSummary() {
         return mTelephonyManager.getNetworkOperatorName();

tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java

@@ -15,9 +15,11 @@
  */
 package com.android.settings.network;
 
-import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static com.android.settings.network.MobileNetworkPreferenceController.MOBILE_NETWORK_CLASS;
-import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
+import static com.android.settings.network.MobileNetworkPreferenceController.MOBILE_NETWORK_PACKAGE;
+
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
@@ -25,14 +27,21 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 import static org.robolectric.shadow.api.Shadow.extract;
 
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
+
+import android.content.ComponentName;
 import android.content.Context;
+import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
+import android.util.FeatureFlagUtils;
 
+import com.android.settings.core.FeatureFlags;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowConnectivityManager;
 import com.android.settings.testutils.shadow.ShadowUserManager;
@@ -43,6 +52,7 @@ import com.android.settingslib.core.lifecycle.Lifecycle;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
@@ -68,6 +78,7 @@ public class MobileNetworkPreferenceControllerTest {
     private Lifecycle mLifecycle;
     private LifecycleOwner mLifecycleOwner;
     private MobileNetworkPreferenceController mController;
+    private Preference mPreference;
 
     @Before
     public void setUp() {
@@ -76,6 +87,8 @@ public class MobileNetworkPreferenceControllerTest {
         mLifecycleOwner = () -> mLifecycle;
         mLifecycle = new Lifecycle(mLifecycleOwner);
         when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);
+        mPreference = new Preference(mContext);
+        mPreference.setKey(MobileNetworkPreferenceController.KEY_MOBILE_NETWORK_SETTINGS);
     }
 
     @Test
@@ -173,4 +186,18 @@ public class MobileNetworkPreferenceControllerTest {
         mController.updateState(mPreference);
         assertThat(mPreference.isEnabled()).isFalse();
     }
+
+    @Test
+    public void handlePreferenceTreeClick_mobileFeatureDisabled_sendIntent() {
+        mController = new MobileNetworkPreferenceController(mContext);
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlags.MOBILE_NETWORK_V2, false);
+        ArgumentCaptor<Intent> argument = ArgumentCaptor.forClass(Intent.class);
+
+        mController.handlePreferenceTreeClick(mPreference);
+
+        verify(mContext).startActivity(argument.capture());
+        final ComponentName componentName = argument.getValue().getComponent();
+        assertThat(componentName.getPackageName()).isEqualTo(MOBILE_NETWORK_PACKAGE);
+        assertThat(componentName.getClassName()).isEqualTo(MOBILE_NETWORK_CLASS);
+    }
 }