How to show checklist or checkbox items from java android application — Java Android

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5S JAVA AND KOTLIN LEARNING

4 min readOct 6, 2020

This is how you can display an Android Check Box Itemsin Main Activity in Java Android Studio:

This example demonstrates how to use the checkbox in android studio. Also you are going to make if else conditions practice.

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

How to use Checklist or Checkbox items in android?

Step 2 — “Add the following code to res/layout/activity_main.xml.“

I worked in simple relative layout method for only give basic example.

*In the below code, we have declared 3 checkBox (checkBox1 — Messi, checkBox2 — Ronaldo, checkBox3 — Neymar) and TextView (textView.setText) and Button (Give On Click method inside design parts see the below photo and give submitButton id)

Dont forget give onClick Method (attributes section)

LAYOUT FILE CODE IN XML:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.yourname.yourandroidstuido.MainActivity"
    android:padding="16dp"
    android:orientation="vertical">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="50dp"
        android:textColor="@color/colorPrimary"
        android:textSize="25sp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:text="Which footballer do you like?"
        android:textColor="@color/colorAccent"
        android:textStyle="bold" />

           <CheckBox
            android:id="@+id/checkBox1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Messi" />
           <CheckBox
                  android:id="@+id/checkBox2"
               android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:text="Ronaldo" />
                  <CheckBox
               android:id="@+id/checkBox3"
                  android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:text="Neymar" />
           <Button
                  android:id="@+id/submitButton"
              android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:text="Submit"
               android:onClick="onClick"/>

    <TextView
        android:id="@+id/textViewJavaLearn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="100dp"
        android:layout_marginTop="300dp"
        android:gravity="center"
        android:text="5S JAVA AND KOTLIN LEARNING" />


</LinearLayout>

MainActivity.java” java file − Add the following code to src/MainActivity.java

JAVA CODE IN MAIN ACTIVITY:

package com.yourname.yourpackagename;import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;public class MainActivity extends AppCompatActivity {
//give id and implement method
  CheckBox checkBox1, checkBox2, checkBox3;
  Button submitButton;
  TextView textView;    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);checkBox1 = (CheckBox) findViewById(R.id.checkBox1);
           checkBox2 = (CheckBox) findViewById(R.id.checkBox2);
           checkBox3 = (CheckBox) findViewById(R.id.checkBox3);

              //meet id inside create method
                   submitButton = (Button) findViewById(R.id.submitButton);
                textView = (TextView) findViewById(R.id.textView);

            }

               public void onClick(View view){

                    if (checkBox1.isChecked() == true && checkBox2.isChecked() == true && checkBox3.isChecked() == true){
                       textView.setText("You like all footballer ⚽ !");
                }

                    else if (checkBox1.isChecked() == true && checkBox2.isChecked() == true){
                        textView.setText("You like Messi and Ronaldo !");
                    }
                    else if (checkBox1.isChecked() == true && checkBox3.isChecked() == true){
                        textView.setText("You like Messi and Neymar !");
                    }
                    else if (checkBox2.isChecked() == true && checkBox3.isChecked() == true){
                        textView.setText("You like Ronaldo and Neymar !");
                    }

                   else if(checkBox1.isChecked() == true){
                       textView.setText("You like Messi !");
                   }
                   else if (checkBox2.isChecked() == true){
                    textView.setText("You like Ronaldo !");
                   }
                   else if (checkBox3.isChecked() == true){
                       textView.setText("You like Neymar !");
                   }

                   else{
                       textView.setText("You don't like these footballer? ZLATAN IBRAHIMOVIC ONLY LOVE ❤\uD83D\uDD25");
                   }

               }

}