RatingBar Example

Screenshots :

activity_main.xml :

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

<RelativeLayout 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="com.chantisandroid.ratingbar.MainActivity">

    <RatingBar

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/ratingBar"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="47dp" />

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="rate"

        android:id="@+id/button"

        android:layout_marginTop="53dp"

        android:layout_below="@+id/ratingBar"

        android:layout_centerHorizontal="true" />

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textAppearance="?android:attr/textAppearanceLarge"

        android:id="@+id/textView"

        android:layout_below="@+id/button"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="61dp" />

</RelativeLayout>

MainActivity.java :

package com.chantisandroid.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.TextView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    RatingBar ratingBar;

    Button button;

    TextView textView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        textView = (TextView)findViewById(R.id.textView);

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

        button.setOnClickListener(this);

    }

    @Override

    public void onClick(View view) {

        String rate = String.valueOf(ratingBar.getRating());

        textView.setText(rate);

    }

}