1. result 2. how to make? 1) code bottomNavigationBar: BottomNavigationBar( type:BottomNavigationBarType.fixed, backgroundColor: Colors.pink, selectedItemColor: Colors.white, unselectedItemColor: Colors.white54, items:const [ BottomNavigationBarItem( icon:Icon(Icons.home_outlined), label : 'home' ), BottomNavigationBarItem( icon:Icon(Icons.shopping_bag_outlined), label : 'cart' ), BottomNavigati..

1. 플러터 theme 설명 상위 위젯에서 테마를 통해 설정해둔 색이 있더라도, 하위 위젯에서 해당 아이템에 직접적으로 색을 준다면 그 색을 우선으로 보여준다. 2. 플러터 color theme 예제 1) 전체 app bar 색 : 노란색 void main() { //stl 상위로 material 있어야 좋음 runApp( MaterialApp( theme: ThemeData( appBarTheme: const AppBarTheme(color:Colors.yellow), ), home:const MyApp())); } 2) 전체 아이콘 색 : 라임색 void main() { //stl 상위로 material 있어야 좋음 runApp( MaterialApp( theme: ThemeData( appBarTh..

l RESULT l EXPLANATION 1. designate the id on xml file android:id="@+id/tvInput" 2. enroll the id on kotlin file 1) import import android.widget.Button import android.widget.TextView 2) define the value private var tvInput : TextView? = null 2) initialize the value using find view by 더보기 id + r. id. + (name of id) tvInput = findViewById(R.id.tvInput) 3. use the value on the method 1) set the val..

1. define the color name with colors.xml 1) res>> values >> colors.xml 2) designate the color #636262 2. change the primary color 1) res>> values> themes> themse.xml 2) i changed purple color into light gray at the primary tag @color/light_gray 3. confirm the result

* what i made * point 1 - same space with margin, weight ratio 2 - have toast pop up message when the button is clicked (using onclick and user defined methods) 3 - color, string enrolling 1. constraint >> linear (google prefers constraint layout) 2. enroll the color resource folder >>> values >>> colors.xml 3. enroll the string res > values > strings.xml the real value MyCalculator_chapter7 233..