Beiträge von Senifor

package calculator
import android.widget.GridLayout
import android.content.Context
import android.util.AttributeSet




import kotlinx.android.synthetic.main.activity_main.view.*


class CalcView(context: Context, attributes:AttributeSet?) : GridLayout (context, attributes), CalcViewInterface {


    override fun onAttachedToWindow() {


        super.onAttachedToWindow()
        CalcController.attach(this)


    }


    override fun onDetachedFromWindow() {
        super.onDetachedFromWindow()
        CalcController.detach()
    }


    override fun setEquation(equation: String) {
        this.grid_main.text_calc.text = equation
        TODO("not implemented") //To change body of created functions use File | Settings | File Templates






    }


    override fun setResult(result: String) {
        this.grid_main.text_calc.text= result
        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.


    }


    fun update ()
    {
        grid_main.text_calc.text = "Clicked"
    }
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="myc.calc.mycal.MainActivity">


    <calculator.CalcView
        android:id="@+id/grid_main"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:addStatesFromChildren="true"
        android:background="@color/colorButton"
        app:alignmentMode="alignMargins"
        app:columnCount="4"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:rowCount="7">






            <TextView
                android:id="@+id/text_calc"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@color/colorButton"
                android:gravity="right"
                android:paddingRight="40dp"
                android:paddingTop="20dp"
                android:text="@string/b_0"
                android:textColor="@color/colorFontWhite"
                android:textSize="30sp"
                app:layout_column="0"
                app:layout_columnSpan="4"
                app:layout_gravity="fill"
                app:layout_row="0" />


 <Button
        android:id="@+id/b_cos"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@color/colorButton"
        android:gravity="center|fill"
        android:text="@string/b_cos"
        android:textColor="@color/colorFontGreen"
        android:textSize="24sp"
        android:textAlignment="center"
        app:layout_column="2"
        app:layout_columnWeight="1"
        app:layout_row="6"
        app:layout_rowWeight="1" />


... weiter Buttons


</calculator.CalcView>