android rating bar example

January 13, 2020March 2, 2020 Madhusudan Nayak 0 Comments android ratingbar example code, android studio rating bar example, rating bar example in android, rating bar example in android studio

Hello Guys. Welcome to our new tutorial of android rating bar example using android studio. android ratingbar is used to get rating from any user. Here we will teach you how to use android rating bar. user simple drag or click on the star for set ratting value. please follow the code given below to display android rating bar in android.

First Create a new project in Android Studio
File ⇒ New Android ⇒ Application Project
Then Open src -> package -> MainActivity.java and then add following code :

JAVA (MainActivity.java)

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.RatingBar;
import android.view.View;
import android.widget.TextView;


public class Rating extends AppCompatActivity {
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_rating);
        MobileAds.initialize(this,getString(R.string.admob_app_id));
        mAdView = findViewById(R.id.adView);
        AdRequest adRequest = new AdRequest.Builder().build();
        mAdView.loadAd(adRequest);


        rBar = (RatingBar) findViewById(R.id.ratingBar1);
        tView = (TextView) findViewById(R.id.textview111);
        btn = (Button)findViewById(R.id.btnGet);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int noofstars = rBar.getNumStars();
                float getrating = rBar.getRating();
                tView.setText("Rating: "+getrating+"/"+noofstars);
            }
        });
    }
}

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.Button;

import android.widget.RatingBar;

import android.view.View;

import android.widget.TextView;

public class Rating extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_rating);

MobileAds.initialize(this,getString(R.string.admob_app_id));

mAdView = findViewById(R.id.adView);

AdRequest adRequest = new AdRequest.Builder().build();

mAdView.loadAd(adRequest);

rBar = (RatingBar) findViewById(R.id.ratingBar1);

tView = (TextView) findViewById(R.id.textview111);

btn = (Button)findViewById(R.id.btnGet);

btn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

int noofstars = rBar.getNumStars();

float getrating = rBar.getRating();

tView.setText("Rating: "+getrating+"/"+noofstars);

}

});

}

XML (activity_main.xml)

<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">

    <RatingBar
        android:id="@+id/ratingBar1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="60dp"
        android:numStars="5"
        android:rating="3.5"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btnGet"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/ratingBar1"
        android:layout_below="@+id/ratingBar1"
        android:layout_marginTop="16dp"
        android:text="Get Rating"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/ratingBar1" />
    <TextView
        android:id="@+id/textview111"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/btnGet"
        android:layout_below="@+id/btnGet"
        android:layout_marginTop="20dp"
        android:textSize="20dp"
        android:textStyle="bold"/>
    </android.support.constraint.ConstraintLayout>

<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">

<RatingBar

android:id="@+id/ratingBar1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="60dp"

android:numStars="5"

android:rating="3.5"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toTopOf="parent" />

<Button

android:id="@+id/btnGet"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignLeft="@+id/ratingBar1"

android:layout_below="@+id/ratingBar1"

android:layout_marginTop="16dp"

android:text="Get Rating"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toBottomOf="@+id/ratingBar1" />

<TextView

android:id="@+id/textview111"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignLeft="@+id/btnGet"

android:layout_below="@+id/btnGet"

android:layout_marginTop="20dp"

android:textSize="20dp"

android:textStyle="bold"/>

</android.support.constraint.ConstraintLayout>

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android rating bar example

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