혀가 길지 않은 개발자

ViewModel + DataBinding + LiveData + BindingAdapter build.gradle (Module: app) apply plugin: 'kotlin-kapt' android { dataBinding { enabled = true } } MainViewModel.kt package com.jwsoft.kotlinproject import androidx.lifecycle.MutableLiveData import androidx.lifecycle.ViewModel class MainViewModel : ViewModel() { var liveColor: MutableLiveData = MutableLiveData() } BindingAdapters.kt package com...

DataBinding + LiveData + BindingAdapter build.gradle (Module: app) apply plugin: 'kotlin-kapt' android { dataBinding { enabled = true } } BindingAdapters.kt package com.jwsoft.kotlinproject import android.view.View import androidx.annotation.ColorInt import androidx.databinding.BindingAdapter object BindingAdapters { @JvmStatic @BindingAdapter("android:visibleJW") fun setVisible(view: View, bool..

build.gradle (Module: app) android { dataBinding { enabled = true } } activity_main.xml MainActivity.kt package com.jwsoft.kotlinproject import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.databinding.DataBindingUtil import androidx.lifecycle.MutableLiveData import com.jwsoft.kotlinproject.databinding.ActivityMainBinding class MainActivity : AppCompatActivity..

activity_main.xml MainActivity.kt package com.jwsoft.kotlinproject import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.lifecycle.MutableLiveData import androidx.lifecycle.Observer import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { private var liveName: MutableLiveData = MutableLiveData() override fun onCreate(save..

build.gradle (Module: app) android { dataBinding { enabled = true } } activity_main.xml MainActivity.kt package com.jwsoft.kotlinproject import android.graphics.Color import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.databinding.DataBindingUtil import com.jwsoft.kotlinproject.databinding.ActivityMainBinding class MainActivity : AppCompatActivity() { private..