혀가 길지 않은 개발자

activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.os.Bundle; import android.view.View; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity { private Button btnShowKeyboar..

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.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 ..

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..

build.gradle (Module: app) android { compileOptions { targetCompatibility JavaVersion.VERSION_1_8 } } dependencies { // ExoPlayer implementation 'com.google.android.exoplayer:exoplayer:2.10.6' } AndroidManifest.xml 인터넷 권한 추가 activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.net.Uri; import android.os.Bundle; import..