혀가 길지 않은 개발자

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_NAME = "name"; public static final String COLUMN_PHONE = "phone"; public static final String COLUMN_AGE = "age"; public static final String COLUMN_GENDER = "gender"; public..

ViewModel + DataBinding + LiveData + BindingAdapter build.gradle (Module: app) android { dataBinding { enabled = true } } MainViewModel.java package com.jwsoft.javaproject; import androidx.lifecycle.MutableLiveData; import androidx.lifecycle.ViewModel; public class MainViewModel extends ViewModel { public MutableLiveData liveColor = new MutableLiveData(); } BindingAdapters.java package com.jwsof..

DataBinding + LiveData + BindingAdapter build.gradle (Module: app) android { dataBinding { enabled = true } } BindingAdapters.java package com.jwsoft.javaproject; import android.view.View; import androidx.annotation.ColorInt; import androidx.databinding.BindingAdapter; public class BindingAdapters { @BindingAdapter("android:visibleJW") public static void setVisible(View view, Boolean bool) { if ..

build.gradle (Module: app) android { dataBinding { enabled = true } } activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import androidx.databinding.DataBindingUtil; import androidx.lifecycle.MutableLiveData; import android.os.Bundle; import android.view.View; import com.jwsoft.javaproject.databinding.ActivityMainBinding; public c..

activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import androidx.lifecycle.MutableLiveData; import androidx.lifecycle.Observer; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private TextView tvName; private B..