Android RatingBar Example | Android Tutorial

Android RatingBar Example

Android RatingBar can be utilized to get the rating from the client. The Rating restores a gliding point number. It might be 2.0, 3.5, 4.0 and so forth.

Android RatingBar shows the rating in stars. Android RatingBar is the subclass of AbsSeekBar class.

The getRating() technique for android RatingBar class restores the rating number.

Android RatingBar Example

Let's see the simple example of rating bar in android.

Activity_main.xml

Drag the RatingBar and Button from the pallete, now the activity_main.xml file will like this:

File : 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>

Activity Class

Let's write the code to display the rating of the user.

File: MainActivity.java

package example.javatpoint.com.ratingbar;    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();              }            });      }  }

Out Put :-