ViewTasksActivity.java

package com.oreilly.android.taskmanager;

import com.oreilly.android.taskmanager.adapters.TaskListAdapter;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ListView;

public class ViewTasksActivity extends ListActivity {

	private Button addButton;
	private TaskListAdapter adapter;
	private TaskManagerApplication app;
	private Button removeButton;

	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        setUpViews();
        app = (TaskManagerApplication)getApplication();
        adapter = new TaskListAdapter(this, app.getCurrentTasks());
        setListAdapter(adapter);
    }
	
	@Override
	protected void onResume() {
		super.onResume();
		adapter.forceReload();
	}

	@Override
	protected void onListItemClick(ListView l, View v, int position, long id) {
		super.onListItemClick(l, v, position, id);
		adapter.toggleTaskCompleteAtPosition(position);
	}
	
	protected void removeCompletedTasks() {
		adapter.removeCompletedTasks();
	}
	
	private void setUpViews() {
		addButton = (Button)findViewById(R.id.add_button);
		removeButton = (Button)findViewById(R.id.remove_button);
		
		addButton.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				Intent intent = new Intent(ViewTasksActivity.this, AddTaskActivity.class);
				startActivity(intent);
			}
		});
		removeButton.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				removeCompletedTasks();
			}
		});

	}

}