Attendence management grid layout and spinner (Java & xml)

abhi b - Feb 26 - - Dev Community

Activity_main.xml

<GridLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:columnCount="3"
    android:padding="10dp"
    android:background="#F5F5F5"
    android:alignmentMode="alignMargins"
    android:rowOrderPreserved="false">

    <!-- Column Headers -->
    <TextView android:text="Roll No" android:textStyle="bold" android:padding="8dp"/>
    <TextView android:text="Student Name" android:textStyle="bold" android:padding="8dp"/>
    <TextView android:text="Status" android:textStyle="bold" android:padding="8dp"/>

    <!-- First Student -->
    <TextView android:text="101" android:padding="8dp"/>
    <EditText
        android:id="@+id/editTextName1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:hint="Enter Name"
        android:padding="8dp"/>
    <Spinner
        android:id="@+id/spinner1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

    <!-- Second Student -->
    <TextView android:text="102" android:padding="8dp"/>
    <EditText
        android:id="@+id/editTextName2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:hint="Enter Name"
        android:padding="8dp"/>
    <Spinner
        android:id="@+id/spinner2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

</GridLayout>

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Mainactivity.java

package com.example.gridlayoutspinner;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    String[] attendanceOptions = {"Present", "Absent", "Late"};
    EditText editTextName1, editTextName2;
    Spinner spinner1, spinner2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Initialize EditTexts
        editTextName1 = findViewById(R.id.editTextName1);
        editTextName2 = findViewById(R.id.editTextName2);

        // Initialize Spinners
        spinner1 = findViewById(R.id.spinner1);
        spinner2 = findViewById(R.id.spinner2);

        // Set Adapter for Spinners
        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, attendanceOptions);
        spinner1.setAdapter(adapter);
        spinner2.setAdapter(adapter);

        // Handle selection events
        spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                String studentName = editTextName1.getText().toString();
                Toast.makeText(MainActivity.this, studentName + " is " + attendanceOptions[position], Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {}
        });

        spinner2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                String studentName = editTextName2.getText().toString();
                Toast.makeText(MainActivity.this, studentName + " is " + attendanceOptions[position], Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {}
        });
    }
}

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