@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_category);
// find the category name from the intent
String name = getIntent().getStringExtra("categoryName");
mCategory = Category.find(name);
mNewTaskButton = (Button) findViewById(R.id.newTaskButton);
mNewTaskText = (EditText) findViewById(R.id.newTask);
mTasks = new ArrayList<String>();
for (Task task : mCategory.tasks()) {
mTasks.add(task.getDescription());
}
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mTasks);
// use this adapter to populate the list:
setListAdapter(mAdapter);
mNewTaskButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
addTask();
}
});
}
private void addTask() {
String description = mNewTaskText.getText().toString();
Task newTask = new Task(description, mCategory);
newTask.save();
mNewTaskText.setText("");
mTasks.add(description);
// signal to adapter that a task is added so it can rerender the ListView
mAdapter.notifyDataSetChanged();
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
String taskInDatabase = mAdapter.getItem(position);
Task taskToDelete = Task.find(taskInDatabase);
taskToDelete.delete();
mAdapter.remove(taskInDatabase);
mAdapter.notifyDataSetChanged();
}