package com.example.gsmcalculator; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { private EditText inputEpi, inputPpi, inputEpiYarn, inputPpiYarn; private TextView cottonGSMResult, cottonSpandexGSMResult, afterWashCottonGSMResult, afterWashCottonSpandexGSMResult; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); inputEpi = findViewById(R.id.input_epi); inputPpi = findViewById(R.id.input_ppi); inputEpiYarn = findViewById(R.id.input_epiYarn); inputPpiYarn = findViewById(R.id.input_ppiYarn); cottonGSMResult = findViewById(R.id.cottonGSMResult); cottonSpandexGSMResult = findViewById(R.id.cottonSpandexGSMResult); afterWashCottonGSMResult = findViewById(R.id.afterWashCottonGSMResult); afterWashCottonSpandexGSMResult = findViewById(R.id.afterWashCottonSpandexGSMResult); Button calculateButton = findViewById(R.id.calculateButton); calculateButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { calculateGSM(); } }); } private void calculateGSM() { try { double epi = Double.parseDouble(inputEpi.getText().toString()); double ppi = Double.parseDouble(inputPpi.getText().toString()); double epiYarn = Double.parseDouble(inputEpiYarn.getText().toString()); double ppiYarn = Double.parseDouble(inputPpiYarn.getText().toString()); double calculationResult = (epi / epiYarn) + (ppi / ppiYarn); double cottonGSM = calculationResult * 23.24; double cottonSpandexGSM = cottonGSM * 1.10; double afterWashCottonGSM = cottonGSM * 1.06; double afterWashCottonSpandexGSM = cottonSpandexGSM * 1.14; cottonGSMResult.setText("Cotton Fabrics GSM: " + String.format("%.2f", cottonGSM)); cottonSpandexGSMResult.setText("Cotton Spandex Fabrics GSM: " + String.format("%.2f", cottonSpandexGSM)); afterWashCottonGSMResult.setText("Cotton Fabrics After Wash GSM: " + String.format("%.2f", afterWashCottonGSM)); afterWashCottonSpandexGSMResult.setText("Cotton Spandex Fabrics GSM After Wash: " + String.format("%.2f", afterWashCottonSpandexGSM)); cottonGSMResult.setVisibility(View.VISIBLE); cottonSpandexGSMResult.setVisibility(View.VISIBLE); afterWashCottonGSMResult.setVisibility(View.VISIBLE); afterWashCottonSpandexGSMResult.setVisibility(View.VISIBLE); } catch (NumberFormatException e) { Toast.makeText(this, "Please enter valid numeric values for all inputs.", Toast.LENGTH_SHORT).show(); } } }