Android Open Source - TasksReminder Main Activity

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License

The source code is released under:
MIT License
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Java Source Code

package com.sampa.tasksreminder;
//from w ww . j av  a2s . com
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Locale;

import org.androidannotations.annotations.EActivity;
import org.androidannotations.annotations.OptionsItem;
import org.androidannotations.annotations.OptionsMenu;
import org.joda.time.LocalDate;

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import com.squareup.timessquare.CalendarPickerView;
import com.squareup.timessquare.CalendarPickerView.OnDateSelectedListener;

@EActivity
@OptionsMenu(R.menu.main)
public class MainActivity extends ActionBarActivity implements
    ActionBar.TabListener {

  SectionsPagerAdapter mSectionsPagerAdapter;
  ViewPager mViewPager;

  @Override
  public void onTabReselected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
  }

  @Override
  public void onTabSelected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
    mViewPager.setCurrentItem(tab.getPosition());
  }

  @Override
  public void onTabUnselected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
  }

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

    // Set up the action bar.
    final ActionBar actionBar = getSupportActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    mSectionsPagerAdapter = new SectionsPagerAdapter(
        getSupportFragmentManager());

    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);

    mViewPager
        .setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
          @Override
          public void onPageSelected(int position) {
            actionBar.setSelectedNavigationItem(position);
          }
        });

    for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
      actionBar.addTab(actionBar.newTab()
          .setText(mSectionsPagerAdapter.getPageTitle(i))
          .setTabListener(this));
    }
  }

  @Override
  protected void onResume() {
    super.onResume();
    if (PlaceholderFragment.customAdapter != null)
      PlaceholderFragment.customAdapter
          .changeCursor(PlaceholderFragment.taskHelper.getAllData());
    if (PlaceholderFragment.cal != null)
      PlaceholderFragment.highlightDates();
  }

  @OptionsItem
  void newTask() {
    NewTaskActivity.task = new Task();
    Intent intent = new Intent(this, NewTaskActivity_.class);
    startActivity(intent);
  }

  public static class PlaceholderFragment extends Fragment {

    private static final String ARG_SECTION_NUMBER = "section_number";
    public static TaskCursorAdapter customAdapter;
    public static TaskSQLiteHelper taskHelper;
    public static ListView listView;
    public static CalendarPickerView cal;

    public PlaceholderFragment() {
    }

    public static void highlightDates() {
      Task[] tasks = taskHelper.getAllTasks();
      Collection<Date> dates = new ArrayList<Date>();
      for (int i = 0; i < tasks.length; i++) {
        if (!tasks[i].getDate().isBefore(new LocalDate()))
          dates.add(tasks[i].getDate().toDate());
      }

      cal.init(new Date(), new LocalDate().plusYears(3).toDate())
          .withHighlightedDates(dates);
    }

    public static PlaceholderFragment newInstance(int sectionNumber) {
      PlaceholderFragment fragment = new PlaceholderFragment();
      Bundle args = new Bundle();
      args.putInt(ARG_SECTION_NUMBER, sectionNumber);
      fragment.setArguments(args);
      return fragment;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {

      taskHelper = new TaskSQLiteHelper(getActivity(), "DBTasks", null, 1);

      if (getArguments().getInt(ARG_SECTION_NUMBER) == 1)
        return initListView(inflater, container);
      else
        return initCalendarView(inflater, container);
    }

    private View initCalendarView(LayoutInflater inflater,
        ViewGroup container) {
      View calendarView = inflater.inflate(R.layout.calendar_view,
          container, false);
      cal = (CalendarPickerView) calendarView.findViewById(R.id.calendar);
      final TaskSQLiteHelper taskHelper = new TaskSQLiteHelper(
          getActivity(), "DBTasks", null, 1);
      final LinearLayout linearLayout = (LinearLayout) calendarView
          .findViewById(R.id.linearLayout);
      Task[] tasks = taskHelper.getAllTasks();
      Collection<Date> dates = new ArrayList<Date>();
      
      for (int i = 0; i < tasks.length; i++) {
        if (!tasks[i].getDate().isBefore(new LocalDate()))
          dates.add(tasks[i].getDate().toDate());
      }
      cal.init(new Date(), new LocalDate().plusYears(3).toDate())
          .withHighlightedDates(dates);

      cal.setOnDateSelectedListener(new OnDateSelectedListener() {

        @Override
        public void onDateSelected(Date date) {
          linearLayout.removeAllViews();
          LayoutInflater inflater = (LayoutInflater) getActivity()
              .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          Task[] tasks = taskHelper.getAllTasksByDate(new LocalDate(
              cal.getSelectedDate()));
          Task task;

          for (int i = 0; i < tasks.length; i++) {
            View view = inflater.inflate(R.layout.single_task_item,
                null);
            TextView titleView = (TextView) view
                .findViewById(R.id.title);
            TextView dateView = (TextView) view
                .findViewById(R.id.date);
            TextView timeView = (TextView) view
                .findViewById(R.id.time);

            task = tasks[i];

            titleView.setText(tasks[i].getTitle());
            dateView.setText(tasks[i].dateToString());
            timeView.setText(tasks[i].timeToString());

            linearLayout.addView(view);
          }
        }

        @Override
        public void onDateUnselected(Date date) {
          // TODO Auto-generated method stub

        }
      });
      return calendarView;
    }

    private View initListView(LayoutInflater inflater, ViewGroup container) {
      View taskListView = inflater.inflate(R.layout.task_list_view,
          container, false);
      listView = (ListView) taskListView.findViewById(R.id.taskListView);
      listView.setOnItemClickListener(new OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view,
            int position, long id) {
          newTask(position);
          Intent intent = new Intent(getActivity(),
              NewTaskActivity_.class);
          intent.putExtra("taskReminder_DBid", id);
          intent.putExtra("taskReminder_modifyTask", true);
          startActivity(intent);
        }
      });

      new Handler().post(new Runnable() {
        @Override
        public void run() {
          customAdapter = new TaskCursorAdapter(getActivity(),
              taskHelper.getAllData());
          listView.setAdapter(customAdapter);
        }
      });

      return taskListView;
    }

    private void newTask(int position) {
      Cursor cursor = (Cursor) listView.getItemAtPosition(position);
      NewTaskActivity.task = taskHelper.populateTask(cursor);
    }
  }

  public class SectionsPagerAdapter extends FragmentPagerAdapter {

    public SectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }

    @Override
    public int getCount() {
      return 2;
    }

    @Override
    public Fragment getItem(int position) {
      return PlaceholderFragment.newInstance(position + 1);
    }

    @Override
    public CharSequence getPageTitle(int position) {
      Locale l = Locale.getDefault();
      switch (position) {
      case 0:
        return getString(R.string.tasks).toUpperCase(l);
      case 1:
        return getString(R.string.calendar).toUpperCase(l);
      }
      return null;
    }
  }

}
Java Source Code List
