Color Picker(ambilwarna) 라이브러리 사용하여 색상 변경(안드로이드)

implementation 'com.github.yukuku:ambilwarna:2.0.1'

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

	<!-- 생략 -->

    <LinearLayout
        android:id="@+id/view_custom_colors"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:visibility="gone"
        android:baselineAligned="false"
        >
        <LinearLayout
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:layout_marginEnd="2dp"
            android:orientation="vertical">
            <com.google.android.material.textview.MaterialTextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/background_color" />
            <com.google.android.material.button.MaterialButton
                android:id="@+id/btn_custom_background_color"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:backgroundTint="@color/default_background_color"
                app:strokeColor="@color/teal_700"
                app:strokeWidth="4dp" />
        </LinearLayout>
        <LinearLayout
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:layout_marginStart="2dp"
            android:orientation="vertical">
            <com.google.android.material.textview.MaterialTextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/text_color" />
            <com.google.android.material.button.MaterialButton
                android:id="@+id/btn_custom_text_color"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:backgroundTint="@color/default_text_color"
                app:strokeColor="@color/teal_700"
                app:strokeWidth="4dp" />
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

package kr.sosone.clock

import android.annotation.SuppressLint
import android.graphics.Color
import android.graphics.drawable.GradientDrawable
import android.graphics.drawable.LayerDrawable
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.*
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import kr.sosone.clock.common.EnumFont
import kr.sosone.clock.common.Util
import kr.sosone.clock.common.Util.Companion.marginPixel
import kr.sosone.clock.common.Util.Companion.presetSize
import kr.sosone.clock.databinding.FragmentSettingBinding
import kr.sosone.clock.viewmodels.ClockViewModel
import kr.sosone.clock.viewmodels.ClockViewModelFactory
import yuku.ambilwarna.AmbilWarnaDialog

class SettingFragment : Fragment() {

    private var _binding : FragmentSettingBinding? = null
    private val binding get() = _binding!!

    // 설정한 Data는 viewMode에서 관리
    private val viewModel: ClockViewModel by activityViewModels{
        ClockViewModelFactory(
            (activity?.application as ClockApplication).database.settingDao()
        )
    }

    // ...생략...

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        // 버튼 색상 지정
        // 저장된 색상은 String이므로 Color.parseColor 이용하여 Int로 변경
        binding.btnCustomBackgroundColor.setBackgroundColor(Color.parseColor(viewModel.customBackgroundColor.value))
        binding.btnCustomTextColor.setBackgroundColor(Color.parseColor(viewModel.customTextColor.value))

		// 색상 버튼 클릭 시 loadColorPicker 함수 호출
        binding.btnCustomBackgroundColor.setOnClickListener {
            loadColorPicker(viewModel.customBackgroundColor.value ?: Util.defaultBackgroundColor, true)
        }

        // 색상 버튼 클릭 시 loadColorPicker 함수 호출
        binding.btnCustomTextColor.setOnClickListener {
            loadColorPicker(viewModel.customTextColor.value ?: Util.defaultTextColor, false)
        }
    }

    // Color Picker 라이브러리가 호출 되는 부분
    private fun loadColorPicker(defaultColor: String, isBackgroundColor: Boolean){
        val color = Color.parseColor(defaultColor)
        AmbilWarnaDialog(requireActivity(), color,
            object : AmbilWarnaDialog.OnAmbilWarnaListener {
                override fun onCancel(dialog: AmbilWarnaDialog?) {

                }

                // 색상 변경 시 처리 내용
                override fun onOk(dialog: AmbilWarnaDialog?, color: Int) {
                	// Int형인 color를 String형인 ViewModel에 저장하기 위한 변환 코드
                    val hexColor = String.format("#%06X", 0xFFFFFF and color)
                    if(isBackgroundColor){
                        viewModel.changeCustomBackgroundColor(hexColor)
                        binding.btnCustomBackgroundColor.setBackgroundColor(color)
                    }else{
                        viewModel.changeCustomTextColor(hexColor)
                        binding.btnCustomTextColor.setBackgroundColor(color)
                    }

                }
            }).show()
    }
}