looping through List android

for (E element : list) {
    . . .
}

KOTLIN:

val numbers = listOf("one", "two", "three", "four")
for (item in numbers) {
    println(item)
}

or

val numbers = listOf("one", "two", "three", "four")
val numbersIterator = numbers.iterator()
while (numbersIterator.hasNext()) {
    println(numbersIterator.next())
}

Assuming list is your List<String> retuned from the function. You may loop over it like:

for (int i=0; i<list.size(); i++) {
    System.out.println(list.get(i));
}

For assigning the EditText, you can just use the index, if you the number of items and it is fixed( which seem to be 5 here):

phoneNumber1.setText(list.get(0));
phoneNumber2.setText(list.get(1));
//so on ...