혀가 길지 않은 개발자

MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; public class MainActivity extends AppCompatActivity { private String name; MainActivity person; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); person = new ..

JamesClass.java package com.jwsoft.javaproject; public class JamesClass { private J j; public void set(J j) { this.j = j; } public J get() { return this.j; } } MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(..

MVVM + Room + RecyclerView + CardView + AlertDialog build.gradle (Module: app) dependencies { // RecyclerView implementation 'androidx.recyclerview:recyclerview:1.1.0' // CardView implementation 'androidx.cardview:cardview:1.0.0' // Room implementation 'androidx.room:room-runtime:2.2.5' annotationProcessor 'androidx.room:room-compiler:2.2.5' testImplementation 'androidx.room:room-testing:2.2.5' ..

RecyclerView + ItemClickListener + ItemLongClickListener build.gradle (Module: app) dependencies { // RecyclerView implementation 'androidx.recyclerview:recyclerview:1.1.0' // CardView implementation 'androidx.cardview:cardview:1.0.0' } cardview_item.xml activity_main.xml MyAdapter.java package com.jwsoft.javaproject; import android.content.Context; import android.view.LayoutInflater; import and..

activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AlertDialog; import androidx.appcompat.app.AppCompatActivity; import android.content.DialogInterface; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { AlertDialog alertDialog; @Overrid..