So changing the name, if it is static, will change the name for all the Person instances. Static members are shared among all the instances. The way you are using the Person class it shouldn't have static members. Bc 2: Vào res > layout > customlistviewactivity.xml và thêm vào on code di ây. Cu trúc project CustomListViewExample nh sau. When we want the data for the list to be sourced directly from a SQLite database query, we can use a CursorAdapter. Xut hin form và t tên project CustomListViewExample sau ó click Finish. In Android development, any time you want to show a vertical list of items you will want to use a ListView which is populated using an Adapter to a data source. Perhaps it should be called inside an OnClickListener in a button on the layout. Bc 1: Khi to project vi tên CustomListViewExample. Unless you are planning to do something else, you could remove that.Īt last, in the code you posted, add() is not being called in any place. If this is the case, then you should change people = Arrays.asList(person) by people.add(person) The way it is now it will always replace the existing list with a new list of one person.Īlso, I don't see any reason for the add() method to receive a View as parameter. I guess the add() method is supposed to take the name and last name from the edit texts, create a new Person and add it to the list of people. This is the latest Android App Development, In this Android Studio Tutorial and you'll learn how to use ArrayAdapter in Fragment in android with ListView. The main purpose of an ArrayAdapter is to convert an ArrayList of objects into View items loaded into the ListView container. Public Person(String firstname, String lastname) " The simplest adapter to use in ListView is called an ArrayAdapter.
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