android studio rating bar example

 android studio  rating bar example

Today Example Android Studio Rating Bar example Follow code

1.activity_main.xml

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

<android.support.constraint.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="example.javatpoint.com.ratingbar.MainActivity">  

  

    <Button  

        android:layout_width="wrap_content"  

        android:layout_height="wrap_content"  

        android:text="submit"  

        android:id="@+id/button"  

        app:layout_constraintBottom_toBottomOf="parent"  

        app:layout_constraintLeft_toLeftOf="parent"  

        app:layout_constraintRight_toRightOf="parent"  

        app:layout_constraintTop_toTopOf="parent"  

        app:layout_constraintVertical_bias="0.615" />  

  

    <RatingBar  

        android:id="@+id/ratingBar"  

        android:layout_width="wrap_content"  

        android:layout_height="wrap_content"  

        android:layout_marginLeft="72dp"  

        android:layout_marginTop="60dp"  

        app:layout_constraintStart_toStartOf="parent"  

        app:layout_constraintTop_toTopOf="parent" />  

  

</android.support.constraint.ConstraintLayout>

2.MainActivity.java:

import android.support.v7.app.AppCompatActivity;  

import android.os.Bundle;  

import android.view.View;  

import android.widget.Button;  

import android.widget.RatingBar;  

import android.widget.Toast;  

  

public class MainActivity extends AppCompatActivity {  

    RatingBar ratingbar;  

    Button button;  

    @Override  

    protected void onCreate(Bundle savedInstanceState) {  

        super.onCreate(savedInstanceState);  

        setContentView(R.layout.activity_main);  

        addListenerOnButtonClick();  

    }  

    public void addListenerOnButtonClick(){  

        ratingbar=(RatingBar)findViewById(R.id.ratingBar);  

        button=(Button)findViewById(R.id.button);  

        //Performing action on Button Click  

        button.setOnClickListener(new View.OnClickListener(){  

  

            @Override  

            public void onClick(View arg0) {  

                //Getting the rating and displaying it on the toast  

                String rating=String.valueOf(ratingbar.getRating());  

                Toast.makeText(getApplicationContext(), rating, Toast.LENGTH_LONG).show();  

            }  

  

        });  

    }  

}