혀가 길지 않은 개발자

Student.java package com.jwsoft.javaproject; public class Student { String name; public Student(String name) { this.name = name; } } MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import java.util.ArrayList; public class MainActivity extends AppCompatActivity { private ArrayList students = new ..

Student.kt package com.jwsoft.kotlinproject data class Student ( var name: String ) MainActivity.kt package com.jwsoft.kotlinproject import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.util.Log class MainActivity : AppCompatActivity() { private var students: ArrayList = ArrayList() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstan..

AndroidManifest.xml android:configChanges="orientation|screenSize" 추가

AndroidManifest.xml 인터넷 권한 추가 android:usesCleartextTraffic="true" 추가 (에뮬레이터에서 실행하기 위함) MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.media.MediaPlayer; import android.net.Uri; import android.os.Bundle; public class MainActivity extends AppCompatActivity { private MediaPlayer mediaPlayer; private MediaPlayer mediaPlayer2; private..

AndroidManifest.xml 인터넷 권한 추가 android:usesCleartextTraffic="true" 추가 (에뮬레이터에서 실행하기 위함) MainActivity.kt package com.jwsoft.kotlinproject import android.media.MediaPlayer import android.net.Uri import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.SurfaceHolder class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { sup..