혀가 길지 않은 개발자

fragment_red.xml fragment_green.xml fragment_blue.xml FragmentRed.kt package com.jwsoft.kotlinproject import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import androidx.fragment.app.Fragment class FragmentRed : Fragment() { override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): Vie..

2021.06.05 업데이트 둥근 모서리 추가 build.gradle (Module: app) dependencies { implementation 'com.google.android.material:material:1.1.0' } BottomSheetDialog 는 머티리얼 디자인이므로 의존성 추가 activity_main.xml bottom_sheet.xml BottomSheetFragment.kt package com.jwsoft.kotlinproject import android.content.Context import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.Vi..

BottomSheetDialog -> 머티리얼 디자인 -> BottomSheetDialog() 클래스 생성 -> setContentView 설정 build.gradle (Module: app) dependencies { implementation 'com.google.android.material:material:1.1.0' } BottomSheetDialog 는 머티리얼 디자인이므로 의존성 추가 activity_main.xml bottom_sheet.xml MainActivity.kt package com.jwsoft.kotlinproject import android.content.Context import androidx.appcompat.app.AppCompatActivity import andr..

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...

Handler.post() vs runOnUiThread() vs AsyncTask.execute() activity_main.xml MainActivity.kt package com.jwsoft.kotlinproject import android.os.AsyncTask import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.os.Handler import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?)..