In this video it shows that how Math.round method can be used to convert the float number to the nearest integer number by rounding operation.

I hope you like this video. For any questions, suggestions or appreciation please contact us at: https://programmerworld.co/contact/ or email at: programmerworld1990@gmail.com

Complete source code:

package com.programmerworld.floattoint;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private EditText editTextFloat;
    private TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        editTextFloat = findViewById(R.id.editTextNumberDecimal);
        textView = findViewById(R.id.textView);
    }

    public void buttonConvertFloatToInt(View view){
        Float floatInput = Float.valueOf(editTextFloat.getText().toString());
        int intOutput = Math.round(floatInput);

        textView.setText(String.valueOf(intOutput));
    }
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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=".MainActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="209dp"
        android:layout_height="68dp"
        android:text="Hello World!"
        android:textSize="20sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/editTextNumberDecimal"
        android:layout_width="267dp"
        android:layout_height="93dp"
        android:layout_marginStart="65dp"
        android:layout_marginTop="51dp"
        android:ems="10"
        android:hint="Enter Float number here..."
        android:inputType="numberDecimal"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="84dp"
        android:layout_marginTop="56dp"
        android:onClick="buttonConvertFloatToInt"
        android:text="Convert Float to Int"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editTextNumberDecimal" />

</androidx.constraintlayout.widget.ConstraintLayout>