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Android RatingBar

RatingBar:

RatingBar is a user interface element that allows customers to pick out a score or score by way of touching or dragging a sequence of score indicators.

It visually represents a rating in the shape of stars or other symbols, generally allowing users to specific their opinions or preferences in a numeric or qualitative way.

                                    
                                            <?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=".RatingBarExample"
        android:orientation="vertical"
        android:gravity="center">
    
       <RatingBar
           android:id="@+id/rating"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:rating="3.5"
           android:stepSize="0.5"
           android:numStars="5"/>
   
       <Button
           android:id="@+id/ratingbar_submit"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:text="Rating"
           android:textColor="@color/colorWhite"
           android:background="@color/colorAccent"
           android:layout_marginTop="16dp"
           />
   
</LinearLayout>

                                    
                                        package com.example.widgets;
    
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.RatingBar;
import android.widget.Toast;
    
public class RatingBarExample extends AppCompatActivity {
   
    RatingBar ratingBar;
    Button button;
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_rating_bar_example);
   
        ratingBar=(RatingBar)findViewById(R.id.rating);
        button=(Button)findViewById(R.id.ratingbar_submit);
   
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(),"Rating Value: "+ratingBar.getRating(),Toast.LENGTH_SHORT).show();
            }
        });
   
    }
}

                                    
                                        package com.example.widgets

import android.os.Bundle
import android.view.View
import android.widget.Button
import android.widget.RatingBar
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity

class RatingBarExample : AppCompatActivity() {

    private lateinit var ratingBar: RatingBar
    private lateinit var button: Button

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_rating_bar_example)

        ratingBar = findViewById(R.id.rating)
        button = findViewById(R.id.ratingbar_submit)

        button.setOnClickListener {
            Toast.makeText(applicationContext, "Rating Value: ${ratingBar.rating}", Toast.LENGTH_SHORT).show()
        }
    }
}

Output