Android Open Source - note-pad Note Pad Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package in.anandm.apps.notepad.interfaces;
//from w ww.j ava2  s .co m
import in.anandm.apps.notepad.R;
import in.anandm.apps.notepad.domain.model.note.INoteRepository;
import in.anandm.apps.notepad.domain.model.note.Note;
import in.anandm.apps.notepad.infrastructure.persistence.sqlite.NoteRepository;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.ActionBar.LayoutParams;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.Build;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.FilterQueryProvider;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.SearchView;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;

public class NotePadMainActivity extends ListActivity {

  /**
   * The serialization (saved instance state) Bundle key representing the
   * current dropdown position.
   */
  private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";

  private static INoteRepository noteRepository = null;
  private SimpleCursorAdapter adapter;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_note_pad_main);
    
    noteRepository = new NoteRepository(getApplicationContext());

    //progress bar
    ProgressBar progressBar = new ProgressBar(this);
    progressBar.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
        LayoutParams.WRAP_CONTENT, Gravity.CENTER));
    progressBar.setIndeterminate(true);
    getListView().setEmptyView(progressBar);

    
    //adaptor
    adapter = new SimpleCursorAdapter(getApplicationContext(),R.layout.notes_list_row, 
        noteRepository.getCursor(), 
        new String[] { "title" }, 
        new int[] {R.id.noteTitle });

    
    adapter.setFilterQueryProvider(new FilterQueryProvider() {

      @Override
      public Cursor runQuery(CharSequence constraint) {

        return noteRepository.getWhereTitleContains(constraint);
      }
    });
    
    getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
    
    setListAdapter(adapter);
    
    //search view
    SearchView searchView = (SearchView) findViewById(R.id.searchView1);
    
    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {

      @Override
      public boolean onQueryTextSubmit(String query) {
        adapter.getFilter().filter(query);
        return true;
      }

      @Override
      public boolean onQueryTextChange(String newText) {
        adapter.getFilter().filter(newText);
        return true;
      }
    });

    //item click listener
    getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> parent, View view,
          int position, long id) {
        Cursor cursor = (Cursor) adapter.getItem(position);
        int indexOfIdColumn = cursor.getColumnIndex(BaseColumns._ID);
        Note note =  noteRepository.getNoteById(cursor.getLong(indexOfIdColumn));
        Intent intent = new Intent(getApplicationContext(), NoteActivity.class);
        intent.putExtra("noteObject", note);
        startActivity(intent);    
      }
    });
  }



  /**
   * Backward-compatible version of {@link ActionBar#getThemedContext()} that
   * simply returns the {@link android.app.Activity} if
   * <code>getThemedContext</code> is unavailable.
   */
  @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
  private Context getActionBarThemedContextCompat() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
      return getActionBar().getThemedContext();
    } else {
      return this;
    }
  }

  @Override
  public void onRestoreInstanceState(Bundle savedInstanceState) {
    // Restore the previously serialized current dropdown position.
    if (savedInstanceState.containsKey(STATE_SELECTED_NAVIGATION_ITEM)) {
      getActionBar().setSelectedNavigationItem(
          savedInstanceState.getInt(STATE_SELECTED_NAVIGATION_ITEM));
    }
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    // Serialize the current dropdown position.
    outState.putInt(STATE_SELECTED_NAVIGATION_ITEM, getActionBar()
        .getSelectedNavigationIndex());
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.note_pad_main, menu);
    return true;
  }


  //action bar menus
  @Override
  public boolean onMenuItemSelected(int featureId, MenuItem item) {
    Toast msg = null;
    switch (item.getItemId()) {

    case R.id.action_new:
      //msg = Toast.makeText(getApplicationContext(), "Add Option Selected", Toast.LENGTH_SHORT);
      Intent intent = new Intent(getApplicationContext(), NoteActivity.class);
      startActivity(intent);
      break;
    case R.id.action_remove:
      msg = Toast.makeText(getApplicationContext(), "Remove Option Selected", Toast.LENGTH_SHORT);
      break;
    case R.id.action_sort:
      msg = Toast.makeText(getApplicationContext(), "Sort Option Selected", Toast.LENGTH_SHORT);

      break;  

    default:
      msg = Toast.makeText(getApplicationContext(), "Unknown Option Selected", Toast.LENGTH_SHORT);
      break;
    }

    msg.show();
    return true;
  }
}

Java Source Code List

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