Switch to StaggeredGridLayoutManager for accents

Gives almost same effect as FlexLayoutManager and is part of recyclerview
library letting us drop an additional dependency

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/build.gradle

@@ -129,7 +129,6 @@ dependencies {
 
     //Google's Goodies
     implementation "com.google.android.material:material:1.9.0"
-    implementation "com.google.android.flexbox:flexbox:3.0.0"
     implementation "com.google.code.gson:gson:2.10.1"
 
     //AndroidX

app/src/main/java/com/aurora/store/view/epoxy/controller/FlexLayoutManager.kt

@@ -1,47 +0,0 @@
-/*
- * Aurora Store
- *  Copyright (C) 2021, Rahul Kumar Patel <whyorean@gmail.com>
- *
- *  Aurora Store is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  Aurora Store is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with Aurora Store.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package com.gara.store.view.epoxy.controller
-
-import android.content.Context
-import android.util.AttributeSet
-import android.view.ViewGroup
-import androidx.recyclerview.widget.RecyclerView
-import com.google.android.flexbox.FlexboxLayoutManager
-
-class FlexLayoutManager : FlexboxLayoutManager {
-    constructor(context: Context?) : super(context)
-    constructor(context: Context?, flexDirection: Int) : super(context, flexDirection)
-    constructor(context: Context?, flexDirection: Int, flexWrap: Int) : super(
-        context,
-        flexDirection,
-        flexWrap
-    )
-
-    constructor(
-        context: Context?,
-        attrs: AttributeSet?,
-        defStyleAttr: Int,
-        defStyleRes: Int
-    ) : super(context, attrs, defStyleAttr, defStyleRes)
-
-    override fun generateLayoutParams(lp: ViewGroup.LayoutParams): RecyclerView.LayoutParams {
-        return LayoutParams(lp)
-    }
-}

app/src/main/java/com/aurora/store/view/ui/onboarding/AccentFragment.kt

@@ -29,6 +29,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewAnimationUtils
 import android.view.ViewGroup
+import androidx.recyclerview.widget.StaggeredGridLayoutManager
 import com.aurora.store.R
 import com.aurora.store.data.model.Accent
 import com.aurora.store.databinding.FragmentOnboardingAccentBinding
@@ -44,7 +45,6 @@ import com.aurora.store.util.save
 import com.aurora.store.view.custom.CubicBezierInterpolator
 import com.aurora.store.view.epoxy.views.AccentViewModel_
 import com.aurora.store.view.ui.commons.BaseFragment
-import com.gara.store.view.epoxy.controller.FlexLayoutManager
 import com.google.gson.reflect.TypeToken
 import java.nio.charset.StandardCharsets
 import kotlin.math.sqrt
@@ -94,7 +94,8 @@ class AccentFragment : BaseFragment() {
 
     private fun attachRecycler() {
         with(B.epoxyRecycler) {
-            layoutManager = FlexLayoutManager(requireContext())
+            setHasFixedSize(true)
+            layoutManager = StaggeredGridLayoutManager(5, StaggeredGridLayoutManager.VERTICAL)
         }
     }