혀가 길지 않은 개발자

activity_main.xml MainActivity.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity implements View.OnClickListener { private LinearLayout linearRed; private LinearLayout linearGreen; private LinearLayout linearBlue; @Overrid..

fragment_red.xml fragment_green.xml fragment_blue.xml FragmentRed.java package com.jwsoft.javaproject; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; public class FragmentRed extends Fragment { @Nullable @Override ..

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.java package com.jwsoft.javaproject; import android.content.Context; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import andro..

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.java package com.jwsoft.javaproject; import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; i..

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 ..