인프런 커뮤니티 질문&답변

강의는 cardStackView 구현 부분을 보고 있습니다.

gradle에 cardStack 파일 설치하고,,

강의랑 코드도 동일한데 계속 이런 오류가 생겨요. 왜그럴까요?

오류메세지 : Can't determine type for tag '<macro name="m3_comp_bottom_app_bar_container_color">?attr/colorSurface</macro>'

gradle(module부분)

plugins {
    id 'com.android.application'
    id 'kotlin-android'
}

android {
    compileSdk 33

    defaultConfig {
        applicationId "com.ipari.datingapp"
        minSdk 16
        targetSdk 33
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
    }
}

dependencies {

    implementation 'androidx.core:core-ktx:1.9.0'
    implementation 'androidx.appcompat:appcompat:1.5.1'
    implementation 'com.google.android.material:material:1.7.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
    implementation "com.yuyakaido.android:card-stack-view:2.3.4"
}

gradle(project부분)

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:7.0.2"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

item_card.xml 파일입니다.

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ImageView
        android:id="@+id/profileImageArea"
        android:src="@drawable/no"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</androidx.cardview.widget.CardView>

activity_main.xml파일입니다.

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <com.yuyakaido.android.cardstackview.CardStackView
        android:id="@+id/cardStackView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</androidx.constraintlayout.widget.ConstraintLayout>

CardStackAdapter 파일입니다.

package com.ipari.datingapp.slider

import android.content.Context
import android.text.Layout
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import com.ipari.datingapp.R

class CardStackAdapter(val context : Context, val items : List<String>) : RecyclerView.Adapter<CardStackAdapter.ViewHolder>() {
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CardStackAdapter.ViewHolder {

        val inflater = LayoutInflater.from(parent.context)
        val view : View = inflater.inflate(R.layout.item_card, parent, false)
        return ViewHolder(view)

    }

    override fun onBindViewHolder(holder: CardStackAdapter.ViewHolder, position: Int) {
        holder.binding(items[position])
    }

    override fun getItemCount(): Int {
        return items.size
    }

    inner class ViewHolder(itemView : View) : RecyclerView.ViewHolder(itemView) {

        fun binding(data : String) {

        }

    }


}

MainActivity 파일입니다.

package com.ipari.datingapp

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import com.ipari.datingapp.slider.CardStackAdapter
import com.yuyakaido.android.cardstackview.CardStackLayoutManager
import com.yuyakaido.android.cardstackview.CardStackListener
import com.yuyakaido.android.cardstackview.CardStackView
import com.yuyakaido.android.cardstackview.Direction

class MainActivity : AppCompatActivity() {

    lateinit var cardStackAdapter: CardStackAdapter
    lateinit var manager: CardStackLayoutManager

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val cardStackView = findViewById<CardStackView>(R.id.cardStackView)

        manager = CardStackLayoutManager(baseContext, object : CardStackListener {
            override fun onCardDragging(direction: Direction?, ratio: Float) {

            }

            override fun onCardSwiped(direction: Direction?) {

            }

            override fun onCardRewound() {

            }

            override fun onCardCanceled() {

            }

            override fun onCardAppeared(view: View?, position: Int) {

            }

            override fun onCardDisappeared(view: View?, position: Int) {

            }

        })

        val testList = mutableListOf<String>()
        testList.add("a")
        testList.add("b")
        testList.add("c")

        cardStackAdapter = CardStackAdapter(baseContext, testList)
        cardStackView.layoutManager = manager
        cardStackView.adapter = cardStackAdapter

    }
}