public void addTask(Task task) {
/*
Adds a new task to the list view and saves its data in the
SharedPreferences file.
*/
adapter.add(task);
keys.add(task.getKey());
SharedPreferences.Editor edit = appData.edit();
edit.putString(task.getKey(), task.getName() + "\n" + task.getDescription());
edit.apply();
}
public ListViewExtended(Activity activity, ListView view, ArrayList<Task> tasks) {
/*
Creates a new instance of the class with specified parameters.
This constructor takes the list of activities and fills the app with them.
*/
listView = view;
keys = new ArrayList<>(tasks.size());
for (Task task : tasks) keys.add(task.getKey());
appData = activity.getPreferences(Context.MODE_PRIVATE);
adapter = new ArrayAdapter<>(activity, R.layout.activity_list_view_item, tasks);
listView.setAdapter(adapter);
}
public void cancelTask(String key) {
/*
Removes a task from the list view with a given key.
Also deletes data about this task from appData.
*/
for (int i = 0; i < adapter.getCount(); i++)
if (adapter.getItem(i).getKey().equals(key)) {
Task task = adapter.getItem(i);
adapter.remove(task);
keys.remove(task.getKey());
SharedPreferences.Editor edit = appData.edit();
edit.remove(key);
edit.apply();
}
}
