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I entered everything in the code, but there is no popup bar, I can’t find the error, can anyone help me? Follow the code:
package com.example.fantin.cardapio;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.Vector;
public class Cardapio extends AppCompatActivity {
TextView txtCardapio;
RadioGroup radioGroup;
RadioButton rbCachorroQuente;
RadioButton rbBauruSimples;
RadioButton rbBauruOvo;
TextView txt350;
TextView txt400;
TextView txt450;
Spinner spinner;
ImageView imageView;
TextView txtNomeCliente;
EditText edtNomeCliente;
TextView txtQuantidade;
EditText edtQuantidade;
Button btnInclirConta;
ListView lvLista;
TextView txtTotal;
EditText edtTotal;
CheckBox cbComissao;
Button btnNovoCliente;
int posicaoSelecionada;
Double totalGeral = 0.0;
Double precos = 0.0;
int posicaoSpinner;
private ProgressDialog progressDialog;
private android.os.Handler handler;
String qtdSalsichas[] = {"Uma salsicha (3,50)",
"Duas salsicha (4,00)"};
ArrayAdapter<String> array_qtdSalsichas;
ArrayList<String> itens = new ArrayList<String>();
ArrayAdapter<String> adapterList;
Vector<Double> valores = new Vector<Double>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cardapio);
txtCardapio = (TextView) findViewById(R.id.txtCardapio);
radioGroup = (RadioGroup) findViewById(R.id.RadioGroup);
rbCachorroQuente = (RadioButton) findViewById(R.id.rbCachorroQuente);
rbBauruSimples = (RadioButton) findViewById(R.id.rbBauruSimples);
rbBauruOvo = (RadioButton) findViewById(R.id.rbBauruOvo);
txt350 = (TextView) findViewById(R.id.txt350);
txt400 = (TextView) findViewById(R.id.txt400);
txt450 = (TextView) findViewById(R.id.txt450);
spinner = (Spinner) findViewById(R.id.spinner);
imageView = (ImageView) findViewById(R.id.imageView);
txtNomeCliente = (TextView) findViewById(R.id.txtNomeCliente);
edtNomeCliente = (EditText) findViewById(R.id.edtNomeCliente);
txtQuantidade = (TextView) findViewById(R.id.txtQuantidade);
edtQuantidade = (EditText) findViewById(R.id.edtQuantidade);
btnInclirConta = (Button) findViewById(R.id.btnIncluirConta);
lvLista = (ListView) findViewById(R.id.lvLista);
txtTotal = (TextView) findViewById(R.id.txtTotal);
edtTotal = (EditText) findViewById(R.id.edtTotal);
cbComissao = (CheckBox) findViewById(R.id.cbComissao);
btnNovoCliente = (Button) findViewById(R.id.btnNovoCliente);
handler = new android.os.Handler();
imageView.setImageResource(R.drawable.cachorroquente);
imageView.getLayoutParams().width = 300;
imageView.getLayoutParams().height = 200;
array_qtdSalsichas = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, qtdSalsichas);
spinner.setAdapter(array_qtdSalsichas);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
Toast.makeText(parent.getContext(), "Você escolheu: " + parent.getItemAtPosition(pos).toString(), Toast.LENGTH_LONG).show();
posicaoSpinner = pos;
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
adapterList = new ArrayAdapter<String>(Cardapio.this, android.R.layout.simple_list_item_1, itens);
lvLista.setAdapter(adapterList);
radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup grupo, int checkedId) {
int botaoMarcado = grupo.getCheckedRadioButtonId();
precos = 0.0;
switch (botaoMarcado) {
case R.id.rbCachorroQuente:
if (posicaoSpinner == 0) {
precos = 3.50;
} else {
precos = 4.00;
}
imageView.setImageResource(R.drawable.cachorroquente);
imageView.getLayoutParams().width = 300;
imageView.getLayoutParams().height = 200;
break;
case R.id.rbBauruSimples:
precos = 4.00;
imageView.setImageResource(R.drawable.baurusimples);
imageView.getLayoutParams().width = 300;
imageView.getLayoutParams().height = 200;
break;
case R.id.rbBauruOvo:
precos = 4.50;
imageView.setImageResource(R.drawable.baurucomovo);
imageView.getLayoutParams().width = 300;
imageView.getLayoutParams().height = 200;
break;
}
}
});
edtNomeCliente.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean b) {
if (edtNomeCliente.getText().toString().length() == 0) {
Toast.makeText(getApplicationContext(), "Informe o nome do cliente!",
Toast.LENGTH_LONG).show();
edtNomeCliente.selectAll();
edtNomeCliente.requestFocus();
return;
}
}
});
btnInclirConta.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
String str = "";
if (edtQuantidade.getText().toString().length() == 0) {
Toast.makeText(getApplicationContext(), "Informe a quantidade!",
Toast.LENGTH_LONG).show();
edtQuantidade.selectAll();
edtQuantidade.requestFocus();
return;
}
int quantidade = Integer.parseInt(String.valueOf(edtQuantidade.getText().toString()));
if (rbCachorroQuente.isChecked()) {
str = "Cachorro Quente";
totalGeral += precos * quantidade;
} else if (rbBauruSimples.isChecked()) {
str = "Bauru Simples";
totalGeral += precos * quantidade;
} else if (rbBauruOvo.isChecked()) {
str = "Bauru com Ovo";
totalGeral += precos * quantidade;
}
if (cbComissao.isChecked())
edtTotal.setText(Double.toString(totalGeral * 1.1));
else
edtTotal.setText(Double.toString(totalGeral));
str = str + " qtde: " + String.valueOf(edtQuantidade.getText().toString()) + " Valor: " + String.valueOf(precos);
itens.add(str);
adapterList.notifyDataSetChanged();
valores.addElement(new Double(precos * quantidade));
rbCachorroQuente.setChecked(false);
rbBauruOvo.setChecked(false);
rbBauruSimples.setChecked(false);
}
});
lvLista.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> adapter, View view, int pos,
long id) {
posicaoSelecionada = pos;
AlertDialog.Builder dialogo = new AlertDialog.Builder(
Cardapio.this);
dialogo.setIcon(android.R.drawable.ic_dialog_alert);
dialogo.setTitle("Exlcusão");
dialogo.setMessage("Deseja Excluir o registro?");
dialogo.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
progressDialog = ProgressDialog.show(Cardapio.this, "Aguarde", "Processando...");
new Thread() {
public void run() {
try {
// simulando um processo demorado
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
handler.post(new Runnable() {
public void run() {
itens.remove(posicaoSelecionada);
adapterList.notifyDataSetChanged();
totalGeral -= Double.parseDouble(String.valueOf(valores.get(posicaoSelecionada)));
valores.removeElementAt(posicaoSelecionada);
if (cbComissao.isChecked())
edtTotal.setText(Double.toString(totalGeral * 1.1));
else
edtTotal.setText(Double.toString(totalGeral));
}
});
//desativa a barra
progressDialog.dismiss();
}
}.start();
}
});
dialogo.setNegativeButton("Cancelar", null);
dialogo.show();
}
});
cbComissao.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener()
{
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (cbComissao.isChecked())
edtTotal.setText(Double.toString(totalGeral * 1.1));
else
edtTotal.setText(Double.toString(totalGeral));
}
});
btnNovoCliente.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view) {
edtNomeCliente.setText("");
edtQuantidade.setText("");
lvLista.setAdapter(null);
edtTotal.setText("");
cbComissao.setChecked(false);
}
});
}
}