如何在数组列表中单击时进行新的活动,并在单击按钮时将其删除?

时间:2019-01-31 17:05:16

标签: android-studio arraylist

在我的Android Studio应用中,我需要向数组列表中添加一些项目,然后转到新活动,但我也想通过按钮将其删除。

public class izracun_urActivity extends AppCompatActivity {
  EditText editTxt;
  Button mButtonDodaj;
  ListView listUre;
  ArrayAdapter<String> adapter;
  ArrayList<String> arrayList;

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

    editTxt = (EditText) findViewById(R.id.EditTextDodajUre);
    mButtonDodaj = (Button) findViewById(R.id.button_dodajUre);
    listUre = (ListView) findViewById(R.id.ListViewDodaj);
    arrayList = new ArrayList<String>();

    adapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_item, arrayList);
    listUre.setAdapter(adapter);


    mButtonDodaj.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            arrayList.add(editTxt.getText().toString());
            adapter.notifyDataSetChanged();
        }
    });
  }
}

0 个答案:

没有答案