Merge "[Expressive design] Add SpacePreference" into main

<!--

     Copyright (C) 2025 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.

-->

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

    android:layout_width="match_parent"

    android:layout_height="wrap_content" />

                    }

                }

                // SpacePreference should not have round corner background.

                is SpacePreference -> {

                    cornerStyles[i] = 0

                    endIndex = endIndex - 1

                }

                else -> {

                    val parent = pref?.parent

/*

 * Copyright (C) 2025 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.settingslib.widget

import android.content.Context

import android.util.AttributeSet

import android.view.ViewGroup

import androidx.core.content.res.TypedArrayUtils

import androidx.core.content.withStyledAttributes

import androidx.preference.Preference

import androidx.preference.PreferenceViewHolder

import com.android.settingslib.widget.theme.R

/**

 * A blank preference that has a specified height by android:layout_height. It can be used to fine

 * tune screens that combine custom layouts and standard preferences.

 */

class SpacePreference

@JvmOverloads

constructor(

    context: Context,

    attrs: AttributeSet?,

    defStyleAttr: Int =

        TypedArrayUtils.getAttr(context, androidx.preference.R.attr.preferenceStyle, android.R.attr.preferenceStyle),

    defStyleRes: Int = 0,

) : Preference(context, attrs, defStyleAttr, defStyleRes) {

    private var mHeight: Int = 0

    init {

        layoutResource = R.layout.settingslib_space_preference

        context.withStyledAttributes(

            attrs,

            intArrayOf(android.R.attr.layout_height),

            defStyleAttr,

            defStyleRes,

        ) {

            mHeight = getDimensionPixelSize(0, 0)

        }

    }

    fun setHeight(height: Int) {

        mHeight = height

    }

    override fun onBindViewHolder(view: PreferenceViewHolder) {

        super.onBindViewHolder(view)

        view.isDividerAllowedAbove = false

        view.isDividerAllowedBelow = false

        val params = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, mHeight)

        view.itemView.layoutParams = params

    }

}