Android Open Source - droid-counter Droid Counter

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Back to project page droid-counter.

License

The source code is released under:

MIT License

Java Source Code

package cs.aaclark.droidcounter;
//from  w w  w  . j a v a 2 s . c  o m
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnLongClickListener;
import android.widget.Adapter;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.AdapterView;
import android.widget.ListView;

public class DroidCounter extends Activity {

  //Set up some standards for passing intents
  private final int NEW_COUNTER = 1;
  private final int EDIT_COUNTER = 2;
  private final int DEL_COUNTER = 3;
  private final int AGR_STATS = 4;
  
  //Variables for our file IO handling
  private final String filename = "droidcounter.sav";
  private static ReadWriteHandler rwHandler;

  //Define our core system variables
  protected ArrayList<CounterModel> counterModelArray = new ArrayList<CounterModel>(); 
  private ArrayAdapter<CounterModel> listViewAdapter;

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

    setContentView(R.layout.activity_droid_counter);

    //Identify listView from Layout for ArrayAdapter
    ListView listView = (ListView) findViewById(R.id.listView);

    //Bind listView adapter
    listViewAdapter = new ArrayAdapter<CounterModel>(
        this,
        android.R.layout.simple_list_item_1,
        counterModelArray);
    listView.setAdapter(listViewAdapter);

    //Populate ListView
    try {
      rwHandler = new ReadWriteHandler(filename);
      counterModelArray = rwHandler.readIn();
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    //...and let list items access context menus
    registerForContextMenu(listView);

    // This is for regular (not-context) clicks...
    listView.setOnItemClickListener( new AdapterView.OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, 
          int position, long id){
        CounterModel counter = (CounterModel) parent.getItemAtPosition(position);
        counter.increment();
        listViewAdapter.notifyDataSetChanged();
      }
    }
        );

  }

  // onResume from Activity
  protected void onResume(Bundle savedInstanceState){
    super.onResume();

    try {
      counterModelArray = rwHandler.readIn();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }

  // applies Action Bar menu items

  //Top-Bar Menu Actions
  @Override
  public boolean onOptionsItemSelected(MenuItem item){
    switch(item.getItemId()){
    case(R.id.action_new_counter):
      CounterModel newCounter = new CounterModel("New Counter (Long-Press to Edit)", 0);
    counterModelArray.add(newCounter);
    listViewAdapter.notifyDataSetChanged();
    return true;
    default: 
      return false;
    }
  }

  //Context Menu Actions
  @Override
  public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo){
    super.onCreateContextMenu(menu, view, menuInfo);
    if(view.getId()==R.id.listView){
      AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)menuInfo;
      menu.setHeaderTitle(counterModelArray.get(info.position).getName());
      menu.add(0, view.getId(), 0, "Edit");
      menu.add(0, view.getId(), 0, "Restart");
      menu.add(0, view.getId(), 0, "Statistics");
    }
  }

  //Don't remember what this does
  @Override
  public boolean onCreateOptionsMenu(Menu menu){
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.droid_counter,menu);
    return super.onCreateOptionsMenu(menu);
  }

  private void editCounter(int requestCode) {
    Intent counterEditor = new Intent(this, EditCounterActivity.class);
    startActivityForResult(counterEditor, requestCode);    
  }

  protected void onActivityResult(int requestCode, int resultCode, Intent data){
    switch(requestCode){
    case(NEW_COUNTER):
      break;
    case(EDIT_COUNTER):
      break;
    case(DEL_COUNTER):
      break;
    case(AGR_STATS):
      break;
    }
  }


}

Java Source Code List

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