Remove useless USB page header

* This causes the options to go off screen and almost always
  require scrolling in order to reach all the options.

Change-Id: I3880982978aa50f11bf24b4da6e91a0917181811
diff --git a/res/xml/usb_details_fragment.xml b/res/xml/usb_details_fragment.xml
index c9889e5..a3be090 100644
--- a/res/xml/usb_details_fragment.xml
+++ b/res/xml/usb_details_fragment.xml
@@ -20,11 +20,6 @@
     android:title="@string/usb_pref"
     android:key="usb_details_fragment">
 
-    <com.android.settingslib.widget.LayoutPreference
-        android:key="usb_device_header"
-        android:layout="@layout/settings_entity_header"
-        android:selectable="false"/>
-
     <PreferenceCategory
         android:key="usb_details_data_role"
         android:title="@string/usb_control_title"/>
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
index 8850acd..297bc98 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
@@ -91,7 +91,6 @@
     private static List<UsbDetailsController> createControllerList(Context context,
             UsbBackend usbBackend, UsbDetailsFragment fragment) {
         List<UsbDetailsController> ret = new ArrayList<>();
-        ret.add(new UsbDetailsHeaderController(context, fragment, usbBackend));
         ret.add(new UsbDetailsDataRoleController(context, fragment, usbBackend));
         ret.add(new UsbDetailsFunctionsController(context, fragment, usbBackend));
         ret.add(new UsbDetailsPowerRoleController(context, fragment, usbBackend));
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
deleted file mode 100644
index e151258..0000000
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2018 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.connecteddevice.usb;
-
-import android.content.Context;
-
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.widget.LayoutPreference;
-
-/**
- * This class adds a header with device name.
- */
-public class UsbDetailsHeaderController extends UsbDetailsController {
-    private static final String KEY_DEVICE_HEADER = "usb_device_header";
-
-    private EntityHeaderController mHeaderController;
-
-    public UsbDetailsHeaderController(Context context, UsbDetailsFragment fragment,
-            UsbBackend backend) {
-        super(context, fragment, backend);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        final LayoutPreference headerPreference = screen.findPreference(KEY_DEVICE_HEADER);
-        mHeaderController = EntityHeaderController.newInstance(mFragment.getActivity(), mFragment,
-                headerPreference.findViewById(R.id.entity_header));
-    }
-
-
-    @Override
-    protected void refresh(boolean connected, long functions, int powerRole, int dataRole) {
-        mHeaderController.setLabel(mContext.getString(R.string.usb_pref));
-        mHeaderController.setIcon(mContext.getDrawable(R.drawable.ic_usb));
-        mHeaderController.done(mFragment.getActivity(), true /* rebindActions */);
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_DEVICE_HEADER;
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java
deleted file mode 100644
index 280b8d4..0000000
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (C) 2018 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.connecteddevice.usb;
-
-import static android.hardware.usb.UsbPortStatus.DATA_ROLE_DEVICE;
-import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SINK;
-
-import static org.mockito.ArgumentMatchers.argThat;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.graphics.drawable.Drawable;
-import android.hardware.usb.UsbManager;
-import android.hardware.usb.UsbPort;
-
-import androidx.fragment.app.FragmentActivity;
-import androidx.lifecycle.LifecycleOwner;
-import androidx.preference.PreferenceManager;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.testutils.shadow.ShadowEntityHeaderController;
-import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-import com.android.settingslib.testutils.DrawableTestHelper;
-import com.android.settingslib.widget.LayoutPreference;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Answers;
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-@RunWith(RobolectricTestRunner.class)
-@Config(shadows = ShadowEntityHeaderController.class)
-public class UsbDetailsHeaderControllerTest {
-
-    private UsbDetailsHeaderController mDetailsHeaderController;
-    private Context mContext;
-    private Lifecycle mLifecycle;
-    private LifecycleOwner mLifecycleOwner;
-    private LayoutPreference mPreference;
-    private PreferenceManager mPreferenceManager;
-    private PreferenceScreen mScreen;
-
-    @Mock
-    private UsbBackend mUsbBackend;
-    @Mock
-    private UsbDetailsFragment mFragment;
-    @Mock
-    private FragmentActivity mActivity;
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private EntityHeaderController mHeaderController;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-
-        mContext = RuntimeEnvironment.application;
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-        mPreferenceManager = new PreferenceManager(mContext);
-        mScreen = mPreferenceManager.createPreferenceScreen(mContext);
-
-        when(mFragment.getActivity()).thenReturn(mActivity);
-        when(mActivity.getApplicationContext()).thenReturn(mContext);
-        when(mFragment.getContext()).thenReturn(mContext);
-        when(mFragment.getPreferenceManager()).thenReturn(mPreferenceManager);
-        when(mFragment.getPreferenceScreen()).thenReturn(mScreen);
-
-        ShadowEntityHeaderController.setUseMock(mHeaderController);
-        mDetailsHeaderController = new UsbDetailsHeaderController(mContext, mFragment, mUsbBackend);
-        mPreference = new LayoutPreference(mContext, R.layout.settings_entity_header);
-        mPreference.setKey(mDetailsHeaderController.getPreferenceKey());
-        mScreen.addPreference(mPreference);
-    }
-
-    @After
-    public void tearDown() {
-        ShadowEntityHeaderController.reset();
-    }
-
-    @Test
-    public void displayRefresh_charging_shouldSetHeader() {
-        mDetailsHeaderController.displayPreference(mScreen);
-        mDetailsHeaderController.refresh(true, UsbManager.FUNCTION_NONE, POWER_ROLE_SINK,
-                DATA_ROLE_DEVICE);
-        verify(mHeaderController).setLabel(mContext.getString(R.string.usb_pref));
-        verify(mHeaderController).setIcon(argThat((ArgumentMatcher<Drawable>) t -> {
-            DrawableTestHelper.assertDrawableResId(t, R.drawable.ic_usb);
-            return true;
-        }));
-        verify(mHeaderController).done(mActivity, true);
-    }
-}