Is giving error in (valorG) inside my IF in all parentheses there IF what can be?

Question

package com.example.testetrabalho;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

    //variaveis
    EditText editTextValorG;
    EditText editTextValorL;
    EditText editTextValorP;
    Button btnCalcula;
    private EditText textViewMostra;
    private TextView textViewtMostra;

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

        editTextValorG = (EditText) findViewById(R.id.editTextValorG);
        editTextValorL = (EditText) findViewById(R.id.editTextValorL);
        editTextValorP = (EditText) findViewById(R.id.editTextValorP);
      //  textViewMostra = (TextView) findViewById(R.id.textViewMostra);
        btnCalcula = (Button) findViewById(R.id.btnCalcula);


        //funçao do botao calcular

        btnCalcula.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                double valorG = Double.parseDouble(editTextValorL.getText().toString());
                double valorL = Double.parseDouble(editTextValorL.getText().toString());
                double valorP = Double.parseDouble(editTextValorP.getText().toString());


                //IF

                if ((valorG < valorL) && (valorG < valorP))
                    textViewMostra.setText(valorG);

                else if ((valorL < valorG) && (valorL < valorP))
                    textViewMostra.setText(valorL);

                else if ((valorP < valorG) && (valorP < valorL))
                    textViewMostra.setText(valorP);


            }


        });
    }

}