Android Open Source - EasyNote Main Activity

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.manustudios.easynote;
/*w w w.j av a2  s. c o  m*/
import java.util.List;

import com.manustudios.supernotes.R;

import android.os.Bundle;
import android.app.ListActivity;
import android.content.Intent;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.ListView;
import android.widget.AdapterView.AdapterContextMenuInfo;

public class MainActivity extends ListActivity {

  private static final int EDITOR_ACTIVITY_REQUEST = 10;
  private static final int MENU_DELETE_ID = 12;
  private int currentNoteId;
  private NoteDataSource dataSource;
  private List<NoteItem> notes;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    registerForContextMenu(getListView());
    
    dataSource = new NoteDataSource(this);
    refreshScreen();
  }

  private void refreshScreen() {
    notes = dataSource.findAll();
    
    //ArrayAdapter<NoteItem> adapter = new ArrayAdapter<NoteItem>(this, R.layout.list_item_layout, notes);
    
    NoteItemAdapter adapter = new NoteItemAdapter(this, R.layout.list_item_layout, notes);   //THE ADAPTER FOR THE NOTES
    setListAdapter(adapter);  //SETTING THE ADAPTER
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {  //INFLATE THE ACTION BAR
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {  //PRESS THHE ACTION BAR
    
    if(item.getItemId()==R.id.action_create){
      createNote();
    }
    
    return super.onOptionsItemSelected(item);
  }

  private void createNote() {  //CREATE A NEW NOTE
    NoteItem note = NoteItem.getNew();
    Intent intent = new Intent(this, NoteEditorActivity.class);
    intent.putExtra("key", note.getKey());
    intent.putExtra("title", "");
    intent.putExtra("text", note.getText());
    intent.putExtra("selfTitle", false);
    startActivityForResult(intent, EDITOR_ACTIVITY_REQUEST);
  }

  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    
    NoteItem note = notes.get(position);
    Intent intent = new Intent(this, NoteEditorActivity.class);
    intent.putExtra("key", note.getKey());
    intent.putExtra("title", note.getTitle());
    intent.putExtra("text", note.getText());
    intent.putExtra("selfTitle", true);
    startActivityForResult(intent, EDITOR_ACTIVITY_REQUEST);
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {  //COMING BACK FROM ANY OTHER ACTIVITY
    if (requestCode == EDITOR_ACTIVITY_REQUEST && resultCode == RESULT_OK) {
      NoteItem note = new NoteItem();
      note.setKey(data.getStringExtra("key"));
      note.setTitle(data.getStringExtra("title"));
      note.setSelfTitle(data.getBooleanExtra("selfTitle", false));
      note.setText(data.getStringExtra("text"));  //NEVERMIND THE DATE IT IS UPDATED INSIDE dataSource Object
      dataSource.update(note);
      refreshScreen();
    }
  }
  
  @Override
  public void onCreateContextMenu(ContextMenu menu, View v,
      ContextMenuInfo menuInfo) {
  
      AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
      currentNoteId = (int)info.id;
      menu.add(0, MENU_DELETE_ID, 0, "Delete");
  }
  
  @Override
  public boolean onContextItemSelected(MenuItem item) {
    
    if (item.getItemId() == MENU_DELETE_ID) {
      NoteItem note = notes.get(currentNoteId);
      dataSource.remove(note);
      refreshScreen();
    }
    
    return super.onContextItemSelected(item);
  }
  
  
  
  
}

Java Source Code List

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