Implement createPrefControllers for tether page

So tether preferences could show up in search

Change-Id: I234680aff878451df2a634cb58538bb2627d2eff
Fixes: 112599941
Test: Robotests

src/com/android/settings/wifi/tether/WifiTetherSettings.java

@@ -99,6 +99,11 @@ public class WifiTetherSettings extends RestrictedDashboardFragment
         super.onAttach(context);
         mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
         mTetherChangeReceiver = new TetherChangeReceiver();
+
+        mSSIDPreferenceController = use(WifiTetherSSIDPreferenceController.class);
+        mSecurityPreferenceController = use(WifiTetherSecurityPreferenceController.class);
+        mPasswordPreferenceController = use(WifiTetherPasswordPreferenceController.class);
+        mApBandPreferenceController = use(WifiTetherApBandPreferenceController.class);
     }
 
     @Override
@@ -140,18 +145,17 @@ public class WifiTetherSettings extends RestrictedDashboardFragment
 
     @Override
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        mSSIDPreferenceController = new WifiTetherSSIDPreferenceController(context, this);
-        mSecurityPreferenceController = new WifiTetherSecurityPreferenceController(context, this);
-        mPasswordPreferenceController = new WifiTetherPasswordPreferenceController(context, this);
-        mApBandPreferenceController = new WifiTetherApBandPreferenceController(context, this);
+        return buildPreferenceControllers(context, this::onTetherConfigUpdated);
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
+            WifiTetherBasePreferenceController.OnTetherConfigUpdateListener listener) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new WifiTetherSSIDPreferenceController(context, listener));
+        controllers.add(new WifiTetherSecurityPreferenceController(context, listener));
+        controllers.add(new WifiTetherPasswordPreferenceController(context, listener));
+        controllers.add(new WifiTetherApBandPreferenceController(context, listener));
 
-        controllers.add(mSSIDPreferenceController);
-        controllers.add(mSecurityPreferenceController);
-        controllers.add(mPasswordPreferenceController);
-        controllers.add(mApBandPreferenceController);
-        controllers.add(
-                new WifiTetherAutoOffPreferenceController(context, KEY_WIFI_TETHER_AUTO_OFF));
         return controllers;
     }
 
@@ -227,6 +231,12 @@ public class WifiTetherSettings extends RestrictedDashboardFragment
                     keys.add(KEY_WIFI_TETHER_SCREEN);
                     return keys;
                 }
+
+                @Override
+                public List<AbstractPreferenceController> createPreferenceControllers(
+                        Context context) {
+                    return buildPreferenceControllers(context, null /* listener */);
+                }
             };
 
     @VisibleForTesting

tests/robotests/src/com/android/settings/testutils/shadow/ShadowWifiManager.java

@@ -52,6 +52,11 @@ public class ShadowWifiManager extends org.robolectric.shadows.ShadowWifiManager
         return Collections.emptyList();
     }
 
+    @Implementation
+    public boolean isDualModeSupported() {
+        return false;
+    }
+
     public static ShadowWifiManager get() {
         return Shadow.extract(application.getSystemService(WifiManager.class));
     }

tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSettingsTest.java

@@ -17,6 +17,7 @@
 package com.android.settings.wifi.tether;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
@@ -27,6 +28,7 @@ import android.os.UserHandle;
 import android.os.UserManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowWifiManager;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -34,12 +36,15 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = {ShadowWifiManager.class})
 public class WifiTetherSettingsTest {
+    private static final String[] WIFI_REGEXS = {"wifi_regexs"};
 
     private Context mContext;
 
@@ -55,12 +60,12 @@ public class WifiTetherSettingsTest {
         MockitoAnnotations.initMocks(this);
         doReturn(mConnectivityManager)
                 .when(mContext).getSystemService(Context.CONNECTIVITY_SERVICE);
-        doReturn(mUserManager)
-                .when(mContext).getSystemService(Context.USER_SERVICE);
+        doReturn(WIFI_REGEXS).when(mConnectivityManager).getTetherableWifiRegexs();
+        doReturn(mUserManager).when(mContext).getSystemService(Context.USER_SERVICE);
     }
 
     @Test
-    public void testWifiTetherNonIndexableKeys_tetherAvailable_keysNotReturned() {
+    public void wifiTetherNonIndexableKeys_tetherAvailable_keysNotReturned() {
         // To let TetherUtil.isTetherAvailable return true, select one of the combinations
         setupIsTetherAvailable(true);
 
@@ -74,7 +79,7 @@ public class WifiTetherSettingsTest {
     }
 
     @Test
-    public void testWifiTetherNonIndexableKeys_tetherNotAvailable_keysReturned() {
+    public void wifiTetherNonIndexableKeys_tetherNotAvailable_keysReturned() {
         // To let TetherUtil.isTetherAvailable return false, select one of the combinations
         setupIsTetherAvailable(false);
 
@@ -87,6 +92,12 @@ public class WifiTetherSettingsTest {
         assertThat(niks).contains(WifiTetherSettings.KEY_WIFI_TETHER_NETWORK_AP_BAND);
     }
 
+    @Test
+    public void createPreferenceControllers_notEmpty() {
+        assertThat(WifiTetherSettings.SEARCH_INDEX_DATA_PROVIDER.getPreferenceControllers(mContext))
+                .isNotEmpty();
+    }
+
     private void setupIsTetherAvailable(boolean returnValue) {
         when(mConnectivityManager.isTetheringSupported()).thenReturn(true);