[코틀린을 활용한 안드로이드 프로그래밍] 11장 직접 풀어보기 11-1

[Gradle 설정]

1

id 'kotlin-android-extensions'

cs

<MainActivity>

package com.cookandroid.project11_1
 
import android.content.Context
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import android.widget.BaseAdapter
import android.widget.ImageView
import androidx.appcompat.app.AlertDialog
import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.dialog.view.*
 
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        title = "그리드뷰 영화 포스터"
 
        var gAdapter = MyGridAdapter(this)
        gridView1.adapter = gAdapter
 
    }
 
    inner class MyGridAdapter(var context: Context) : BaseAdapter(){
        var posterID = arrayOf(
            R.drawable.mov01, R.drawable.mov02, R.drawable.mov03, R.drawable.mov04,
            R.drawable.mov05, R.drawable.mov06, R.drawable.mov07, R.drawable.mov08,
            R.drawable.mov09, R.drawable.mov10,
            R.drawable.mov01, R.drawable.mov02, R.drawable.mov03, R.drawable.mov04,
            R.drawable.mov05, R.drawable.mov06, R.drawable.mov07, R.drawable.mov08,
            R.drawable.mov09, R.drawable.mov10,
            R.drawable.mov01, R.drawable.mov02, R.drawable.mov03, R.drawable.mov04,
            R.drawable.mov05, R.drawable.mov06, R.drawable.mov07, R.drawable.mov08,
            R.drawable.mov09, R.drawable.mov10,
            R.drawable.mov01, R.drawable.mov02, R.drawable.mov03, R.drawable.mov04,
            R.drawable.mov05, R.drawable.mov06, R.drawable.mov07, R.drawable.mov08,
            R.drawable.mov09, R.drawable.mov10,
        )
        var posterName = arrayOf(
            "영화 제목1", "영화 제목2", "영화 제목3", "영화 제목4",
            "영화 제목 5", "영화 제목6", "영화 제목7", "영화 제목8",
            "영화 제목9", "영화 제목10"
        )
 
        override fun getCount(): Int {
            return posterID.size
        }
 
        override fun getItem(position: Int): Any {
            return 0
        }
 
        override fun getItemId(position: Int): Long {
            return 0
        }
 
        override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
            var imageview = ImageView(context)
            imageview.layoutParams = ViewGroup.LayoutParams(200, 300)
            imageview.scaleType = ImageView.ScaleType.FIT_CENTER
            imageview.setPadding(5, 5, 5, 5)
            imageview.setImageResource(posterID[position])
 
 
            imageview.setOnClickListener{
                var dialogView = View.inflate(this@MainActivity, R.layout.dialog, null)
                var dlg = AlertDialog.Builder(this@MainActivity)
                dialogView.ivPoster.setImageResource(posterID[position])
                dlg.setTitle(posterName[position])
                dlg.setIcon(R.drawable.movie_icon)
                dlg.setView(dialogView)
                dlg.setNegativeButton("닫기", null)
                dlg.show()
            }
            return imageview
        }
 
    }
 
 
}

<activity_main.xml>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
 
    <GridView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/gridView1"
        android:gravity="center"
        android:numColumns="4">
    </GridView>
 
 
</LinearLayout>

<dialog.xml>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center">
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/ivPoster"/>
 
 
 
</LinearLayout>