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android: Use autofit grid for games fragment
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commit
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3 changed files with 72 additions and 28 deletions
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@ -0,0 +1,61 @@
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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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package org.yuzu.yuzu_emu.layout
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import android.content.Context
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import androidx.recyclerview.widget.GridLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import androidx.recyclerview.widget.RecyclerView.Recycler
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import org.yuzu.yuzu_emu.R
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/**
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* Cut down version of the solution provided here
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* https://stackoverflow.com/questions/26666143/recyclerview-gridlayoutmanager-how-to-auto-detect-span-count
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*/
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class AutofitGridLayoutManager(
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context: Context,
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columnWidth: Int
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) : GridLayoutManager(context, 1) {
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private var columnWidth = 0
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private var isColumnWidthChanged = true
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private var lastWidth = 0
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private var lastHeight = 0
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init {
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setColumnWidth(checkedColumnWidth(context, columnWidth))
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}
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private fun checkedColumnWidth(context: Context, columnWidth: Int): Int {
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var newColumnWidth = columnWidth
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if (newColumnWidth <= 0) {
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newColumnWidth = context.resources.getDimensionPixelSize(R.dimen.spacing_xtralarge)
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}
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return newColumnWidth
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}
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private fun setColumnWidth(newColumnWidth: Int) {
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if (newColumnWidth > 0 && newColumnWidth != columnWidth) {
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columnWidth = newColumnWidth
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isColumnWidthChanged = true
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}
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}
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override fun onLayoutChildren(recycler: Recycler, state: RecyclerView.State) {
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val width = width
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val height = height
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if (columnWidth > 0 && width > 0 && height > 0 && (isColumnWidthChanged || lastWidth != width || lastHeight != height)) {
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val totalSpace: Int = if (orientation == VERTICAL) {
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width - paddingRight - paddingLeft
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} else {
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height - paddingTop - paddingBottom
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}
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val spanCount = 1.coerceAtLeast(totalSpace / columnWidth)
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setSpanCount(spanCount)
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isColumnWidthChanged = false
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}
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lastWidth = width
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lastHeight = height
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super.onLayoutChildren(recycler, state)
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}
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}
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@ -8,22 +8,20 @@ import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.view.ViewTreeObserver.OnGlobalLayoutListener
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import androidx.appcompat.app.AppCompatActivity
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import androidx.core.view.ViewCompat
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import androidx.core.view.WindowInsetsCompat
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import androidx.core.view.updatePadding
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import androidx.fragment.app.Fragment
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import androidx.recyclerview.widget.GridLayoutManager
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import com.google.android.material.color.MaterialColors
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import org.yuzu.yuzu_emu.R
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import org.yuzu.yuzu_emu.YuzuApplication
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import org.yuzu.yuzu_emu.adapters.GameAdapter
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import org.yuzu.yuzu_emu.databinding.FragmentGridBinding
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import org.yuzu.yuzu_emu.layout.AutofitGridLayoutManager
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class PlatformGamesFragment : Fragment(), PlatformGamesView {
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private val presenter = PlatformGamesPresenter(this)
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private var adapter: GameAdapter? = null
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private var _binding: FragmentGridBinding? = null
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private val binding get() = _binding!!
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@ -39,27 +37,12 @@ class PlatformGamesFragment : Fragment(), PlatformGamesView {
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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adapter = GameAdapter(requireActivity() as AppCompatActivity)
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// Organize our grid layout based on the current view.
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if (isAdded) {
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view.viewTreeObserver
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.addOnGlobalLayoutListener(object : OnGlobalLayoutListener {
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override fun onGlobalLayout() {
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if (view.measuredWidth == 0) {
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return
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}
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var columns = view.measuredWidth /
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requireContext().resources.getDimensionPixelSize(R.dimen.card_width)
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if (columns == 0) {
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columns = 1
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}
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view.viewTreeObserver.removeOnGlobalLayoutListener(this)
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val layoutManager = GridLayoutManager(activity, columns)
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binding.gridGames.layoutManager = layoutManager
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binding.gridGames.adapter = adapter
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}
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})
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binding.gridGames.apply {
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layoutManager = AutofitGridLayoutManager(
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requireContext(),
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requireContext().resources.getDimensionPixelSize(R.dimen.card_width)
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)
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adapter = GameAdapter(requireActivity() as AppCompatActivity)
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}
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// Add swipe down to refresh gesture
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@ -92,8 +75,8 @@ class PlatformGamesFragment : Fragment(), PlatformGamesView {
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}
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override fun showGames(games: Cursor) {
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if (adapter != null) {
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adapter!!.swapCursor(games)
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if (binding.gridGames.adapter != null) {
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(binding.gridGames.adapter as GameAdapter).swapCursor(games)
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}
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updateTextView()
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}
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@ -103,7 +86,7 @@ class PlatformGamesFragment : Fragment(), PlatformGamesView {
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return
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binding.gamelistEmptyText.visibility =
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if (adapter!!.itemCount == 0) View.VISIBLE else View.GONE
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if ((binding.gridGames.adapter as GameAdapter).itemCount == 0) View.VISIBLE else View.GONE
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}
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private fun setInsets() {
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@ -6,7 +6,7 @@
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<dimen name="spacing_list">64dp</dimen>
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<dimen name="spacing_fab">72dp</dimen>
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<dimen name="menu_width">256dp</dimen>
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<dimen name="card_width">150dp</dimen>
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<dimen name="card_width">170dp</dimen>
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<dimen name="dialog_margin">20dp</dimen>
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<dimen name="elevated_app_bar">3dp</dimen>
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