혀가 길지 않은 개발자

UserDBStructure.kt package com.jwsoft.kotlinproject import android.provider.BaseColumns object UserDBStructure : BaseColumns { val TABLE_NAME = "user" val COLUMN_ID = BaseColumns._ID val COLUMN_NAME = "name" val COLUMN_PHONE = "phone" val COLUMN_AGE = "age" val CREATE_TABLE_USER = "CREATE TABLE IF NOT EXISTS $TABLE_NAME (" + "$COLUMN_ID INTEGER PRIMARY KEY NOT NULL, " + "$COLUMN_NAME TEXT NOT NU..

UserDBStructure.java package com.jwsoft.javaproject; import android.provider.BaseColumns; public class UserDBStructure implements BaseColumns { public static final String TABLE_NAME = "user"; public static final String COLUMN_ID = BaseColumns._ID; public static final String COLUMN_NAME = "name"; public static final String COLUMN_PHONE = "phone"; public static final String COLUMN_AGE = "age"; pub..

activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.content.SharedPreferences; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity { EditText etId; EditText etName; EditText etAge; Button btnSave; Button ..

activity_main.xml MainActivity.kt package com.jwsoft.kotlinproject import android.content.Context import android.content.SharedPreferences import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { lateinit var sharedPreferences: SharedPreferences lateinit var editor: SharedPreferences...