improve car appsPermission view

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  ~ Copyright (C) 2018 The Android Open Source Project

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  ~ 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

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  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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<!-- This Icon is used in as the back icon on ActionBar. ActionBar hard code the icon layout and

  ~  does not provide a way to customize it. Here to center the icon in action bar, we make up

  ~  the margin by add the extra space in the icon itself -->

<vector

    android:height="@dimen/car_primary_icon_size"

    android:width="@dimen/car_primary_icon_size"

    android:tint="@color/car_accent"

    android:viewportHeight="24.0"

    android:viewportWidth="24.0"

    xmlns:android="http://schemas.android.com/apk/res/android">

    <path

        android:fillColor="#FF000000"

        android:pathData="M20,11H7.83l5.59,-5.59L12,4l-8,8 8,8 1.41,-1.41L7.83,13H20v-2z"/>

</vector>

<?xml version="1.0" encoding="utf-8"?>

<!-- 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.

-->

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical">

    <RelativeLayout

        android:layout_width="match_parent"

        android:layout_height="@dimen/car_app_bar_height"

        android:gravity="end|center_vertical" >

        <FrameLayout

            android:id="@+id/action_bar_icon_container"

            android:layout_width="@dimen/car_margin"

            android:layout_height="@dimen/car_app_bar_height"

            android:foreground="@drawable/car_list_item_background"

            android:layout_alignParentStart="true">

            <ImageView

                android:tint="@color/car_accent"

                android:layout_gravity="center"

                android:src="@drawable/ic_arrow_back"

                style="@style/ListIcon"/>

        </FrameLayout>

        <TextView

            android:id="@+id/title"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginStart="@dimen/car_margin"

            android:layout_marginTop="@dimen/optical_center_offset"

            android:textAppearance="@style/TextAppearance.Car.Title"

            android:textColor="@color/car_accent"

            android:text="@string/app_permissions"

            android:layout_gravity="center_vertical"

            android:layout_centerVertical="true"

            android:layout_alignParentStart="true"

            android:maxLines="1"

            android:ellipsize="end"/>

    </RelativeLayout>

    <View

        android:layout_width="match_parent"

        android:layout_height="@dimen/car_list_divider_height"

        android:background="@color/car_list_divider"/>

    <include layout="@layout/list" />

</LinearLayout>

           parent="@android:style/Theme.DeviceDefault.Settings">

    </style>

    <style name="CarSettingTheme" parent="Theme.Car.Light.NoActionBar">

        <item name="android:background">@color/car_card</item>

    </style>

    <style name="Settings.NoActionBar" parent="@style/Settings">

        <item name="android:windowActionBar">false</item>

        <item name="android:windowNoTitle">true</item>

import android.view.MenuItem;

import com.android.packageinstaller.DeviceUtils;

import com.android.packageinstaller.R;

import com.android.packageinstaller.permission.ui.handheld.ManageStandardPermissionsFragment;

import com.android.packageinstaller.permission.ui.wear.AppPermissionsFragmentWear;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        if (DeviceUtils.isAuto(this)) {

            setTheme(R.style.CarSettingTheme);

        }

        super.onCreate(savedInstanceState);

        if (savedInstanceState != null) {

            return;

        }

        // in automotive mode, there's no system wide back button, so need to add that

        if (DeviceUtils.isAuto(this)) {

            getActionBar().setDisplayHomeAsUpEnabled(true);

        }

        Fragment fragment;

        String action = getIntent().getAction();

    public static AppPermissionsFragment newInstance(String packageName) {

        AppPermissionsFragment fragment = new AppPermissionsFragment();

        Bundle arguments = new Bundle();

        arguments.putInt(EXTRA_LAYOUT, com.android.car.list.R.layout.list);

        arguments.putInt(EXTRA_LAYOUT, R.layout.car_app_permissions);

        arguments.putString(Intent.EXTRA_PACKAGE_NAME, packageName);

        fragment.setArguments(arguments);

        return fragment;

    @Override

    public void onActivityCreated(Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);

        getView().findViewById(R.id.action_bar_icon_container).setOnClickListener(

                v -> getActivity().onBackPressed());

        mListView = (PagedListView) getView().findViewById(R.id.list);

        mPagedListAdapter = new TypedPagedListAdapter(getLineItems());