[코틀린을 활용한 안드로이드 프로그래밍] 6장 직접 풀어보기 6-2

[Gradle 설정]

1

id 'kotlin-android-extensions'

cs

<MainActivity>

package com.example.myapplication
 
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.ArrayAdapter
import android.widget.MultiAutoCompleteTextView
import kotlinx.android.synthetic.main.activity_main.*
 
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        title = "사진 보기"
       viewFlipper.flipInterval = 1000
        btnStart.setOnClickListener {
            viewFlipper.startFlipping()
        }
        btnStop.setOnClickListener {
            viewFlipper.stopFlipping()
        }
 
    }
}

<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">
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <Button
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnStart"
            android:text="사진보기 시작"/>
        <Button
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnStop"
            android:text="사진보기 정지"/>
    </LinearLayout>
 
    <ViewFlipper
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/viewFlipper">
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="fitXY"
            android:src="@drawable/cat"/>
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="fitXY"
            android:src="@drawable/dog"/>
 
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="fitXY"
            android:src="@drawable/horse"/>
 
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="fitXY"
            android:src="@drawable/rabbit"/>
 
    </ViewFlipper>
</LinearLayout>