App crashes after adding java code to Bottom Navigation home fragment

Question

App was working perfectly before adding the java code(where i am trying to create a BMI calculator) it entered the bottom navigation but now it crashes. Here is the java code: HomeFragment.java

import android.content.Context;
import android.content.Intent;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.NumberPicker;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;

import com.example.myapplication.BmiActivity;
import com.example.myapplication.BotnaV;
import com.example.myapplication.R;
import com.example.myapplication.databinding.FragmentHomeBinding;
import com.google.android.material.floatingactionbutton.FloatingActionButton;

import org.w3c.dom.Text;

import java.text.DecimalFormat;

public class HomeFragment extends Fragment implements View.OnClickListener {

    private FragmentHomeBinding binding;
    CardView weightCardView;
    CardView ageCardView;
    TextView weightCounterText, ageCounterText, height_title_text;
    FloatingActionButton weightBtnInc, ageBtnInc;
    FloatingActionButton weightBtnDec, ageBtnDec;
    int weightCounter = 50;
    int ageCounter = 25;
    String countWeight, countAge;
    NumberPicker feetPicker, inchPicker;
    int feetValue = 5 , inchValue = 4;
    Button calculateBtn;
    String heightValue;
    DecimalFormat decimalFormat;
    

    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {
        binding = FragmentHomeBinding.inflate(inflater, container, false);
        View root = binding.getRoot();
        weightCardView = getActivity().findViewById(R.id.weight_cardView);
        ageCardView = getActivity().findViewById(R.id.age_cardView);
        weightCounterText = getActivity().findViewById(R.id.weight_counter_text);
        ageCounterText = getActivity().findViewById(R.id.age_counter_text);
        weightBtnInc = getActivity().findViewById(R.id.weight_btn_inc);
        weightBtnDec = getActivity().findViewById(R.id.weight_btn_dec);
        ageBtnInc = getActivity().findViewById(R.id.age_btn_inc);
        ageBtnDec = getActivity().findViewById(R.id.age_btn_dec);
        feetPicker = getActivity().findViewById(R.id.feet_picker);
        inchPicker = getActivity().findViewById(R.id.inch_picker);
        height_title_text = getActivity().findViewById(R.id.height_title_text);
        calculateBtn = getActivity().findViewById(R.id.calculate_btn);
        counterInit();
        decimalFormat = new DecimalFormat(".#");
        weightCardView.setOnClickListener(this);
        ageCardView.setOnClickListener(this);
        weightBtnInc.setOnClickListener(this);
        weightBtnDec.setOnClickListener(this);
        ageBtnInc.setOnClickListener(this);
        ageBtnDec.setOnClickListener(this);

        feetPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
            @Override
            public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
                feetValue = newVal;
                heightValueIs();

            }
        });

        inchPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
            @Override
            public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
                inchValue = newVal;
                heightValueIs();
            }
        });
        calculateBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                calculateBmi();
            }
        });

        return root;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        binding = null;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId())
        {
            case R.id.weight_cardView:
                break;
            case R.id.weight_btn_inc:
                if(weightCounter < 700)
                    weightCounter++;
                countWeight = Integer.toString(weightCounter);
                weightCounterText.setText(countWeight);
                break;
            case R.id.weight_btn_dec:
                if(weightCounter > 0)
                    weightCounter--;
                countWeight = Integer.toString(weightCounter);
                weightCounterText.setText(countWeight);
                break;
            case R.id.age_cardView:
                break;
            case R.id.age_btn_inc:
                if(ageCounter < 150)
                    ageCounter++;
                countAge = Integer.toString(ageCounter);
                ageCounterText.setText(countAge);
                break;
            case R.id.age_btn_dec:
                if(ageCounter > 1)
                    ageCounter--;
                countAge = Integer.toString(ageCounter);
                ageCounterText.setText(countAge);
                break;
        }
    }

    private void counterInit() {
        countWeight = Integer.toString(weightCounter);
        weightCounterText.setText(countWeight);
        countAge = Integer.toString(ageCounter);
        ageCounterText.setText(countAge);
        feetPicker.setMinValue(1);
        feetPicker.setMaxValue(8);
        inchPicker.setMinValue(0);
        inchPicker.setMaxValue(11);
        feetPicker.setValue(5);
        inchPicker.setValue(4);
        heightValueIs();
    }
    public void heightValueIs()
    {
        if(inchValue == 0){
            heightValue = feetValue + " feet ";
            height_title_text.setText(heightValue);
        }
        else
            heightValue = feetValue + " feet " + inchValue +" inches";
        height_title_text.setText(heightValue);
    }
    public void calculateBmi(){
        double heightInInches = feetValue * 12 + inchValue;
        double heightInMetres = heightInInches / 39.37;
        double heightInMetreSq = heightInMetres * heightInMetres;
        double bmi = weightCounter / heightInMetreSq;
        String bmiValue = decimalFormat.format(bmi);
        Intent intent = new Intent(getActivity(), BmiActivity.class);
        intent.putExtra("bmiVal",bmiValue);
        startActivity(intent);
    }
}                 

i have tried to check if there was some logical error but i could find none on my end Following is the log as the app crashes

    2022-05-24 08:14:28.128 19168-19168/? E/e.myapplicatio: Unknown bits set in runtime_flags: 0x8000
2022-05-24 08:14:29.211 19168-19205/com.example.myapplication E/gralloc: Arm Module v1.0
2022-05-24 08:14:29.212 19168-19205/com.example.myapplication E/ion: ioctl c0044901 failed with code -1: Invalid argument