Multi tool use

Checkbox calculations in Android

I want to do a restaurant apk but I am stuck.

How to assign a price to a checkbox item and get the sum of all checked items and display them in a textView?

□item1 $5
□item2 $7
□item3 $10
□item4 $8

textViewer "Total: "
//checked items

1 Answer
1

//make checkbox as an array list
ArrayList<CheckBox> checkList = new ArrayList<CheckBox>();
CheckBox mCheckBox1, mCheckBox2;
TextView tvExample;
int count;
int price;

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

mCheckBox1 = (CheckBox)findViewById(R.id.checkBox2);
mCheckBox2 = (CheckBox)findViewById(R.id.checkBox3);
tvExample = (TextView)findViewById(R.id.tvExample);

//add checkboxes to array list
checkList.add(mCheckBox1);
checkList.add(mCheckBox2);

Button bInput = (Button)findViewById(R.id.bInput);
bInput.setOnClickListener(new View.OnClickListener()
@Override
public void onClick(View view)

for(int i=0 ; i<checkList.size(); i++)

//check if the checklist is checked
if(checkList.get(0).isChecked() == true)

//when it's checked it's incremented
count++;
//add price
price+=5;


//add more if statement for other items


//set the value to your TextView here
tvExample.setText(Integer.toString(price));

//restart the count
count = 0;
price = 0;

);




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