Table of Contents
Android RatingBar – Introduction
Android RatingBar –
Create activity_rating_bar File in XML
<?xml version=”1.0″ encoding=”utf-8″?>
<LinearLayout
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”
android:layout_marginTop=”20dp”
android:orientation=”vertical”
android:gravity=”center”
tools:context=”.ratingBarActivity”>
<RatingBar
android:id=”@+id/ratingBar”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:rating=”2.5″
android:numStars=”5″
android:stepSize=”0.25″ />
<Button
android:id=”@+id/ratingBarButton”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”Submit”
android:textSize=”20sp”
android:textColor=”@color/teal_200″
android:backgroundTint=”@color/design_default_color_primary_dark”
android:layout_marginTop=”15dp”/>
</LinearLayout>
Create ratingBarActivity File in Java
package com.eiheducation.demo;
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 ratingBarActivity extends AppCompatActivity {
RatingBar ratingBar; // declare the RatingBar object
Button ratingBarButton; // declare the Button object
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_rating_bar);
// We need to find our elements by IDs
ratingBar = findViewById(R.id.ratingBar);
ratingBarButton = findViewById(R.id.ratingBarButton);
// Button Code
ratingBarButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
float ratvalue = ratingBar.getRating();
Toast.makeText(ratingBarActivity.this, “Rating” + ratvalue, Toast.LENGTH_SHORT).show();
}
});
}
}
Android Manifest File
<?xml version=”1.0″ encoding=”utf-8″?>
<manifest xmlns:android=”http://schemas.android.com/apk/res/android”
package=”com.eiheducation.demo”>
<application
android:allowBackup=”true”
android:icon=”@mipmap/ic_launcher”
android:label=”@string/app_name”
android:roundIcon=”@mipmap/ic_launcher_round”
android:supportsRtl=”true”
android:theme=”@style/Theme.EIHeducationDemo”>
<activity
android:name=”.MainActivity”
android:label=”@string/app_name”
android:theme=”@style/Theme.EIHeducationDemo.NoActionBar”>
<intent-filter>
<action android:name=”android.intent.action.MAIN” />
<category android:name=”android.intent.category.LAUNCHER” />
</intent-filter>
</activity>
<activity android:name=”.ratingBarActivity” />
</application>
</manifest>
Android RatingBar – Output
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