Android Open Source - Assignment1 Counter List Screen

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.example.kwicento_count;
//from w ww  .  j  ava  2 s  .co m

import java.util.ArrayList;
import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.support.v4.app.NavUtils;
import android.annotation.TargetApi;
import android.os.Build;

public class CounterListScreen extends Activity {
  
  private ListView existingCounters;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_counter_list_screen);
    // Show the Up button in the action bar.
    setupActionBar();
    existingCounters = (ListView) findViewById(R.id.currCounterList);
  }

  @Override
  protected void onStart() {
    // TODO Auto-generated method stub
    super.onStart();
    CounterListModel mod = HomeScreen.getNewModel();
    ArrayList<Counter> arr = mod.getCurrentCounters();
    ArrayList<String> stringCounts = new ArrayList<String>();
    
    //Create an array of strings containing the name and counts of the counters to display
    for (int i=0; i<arr.size();i++)
    {
      String newValue = (arr.get(i)).getName()+": "+(arr.get(i)).getCount();
      stringCounts.add(newValue);
    }
    
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,R.layout.list_item, stringCounts);
    existingCounters.setAdapter(adapter);
    
    
  }
  
  

  /**
   * Set up the {@link android.app.ActionBar}, if the API is available.
   */
  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  private void setupActionBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
  }

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      // This ID represents the Home or Up button. In the case of this
      // activity, the Up button is shown. Use NavUtils to allow users
      // to navigate up one level in the application structure. For
      // more details, see the Navigation pattern on Android Design:
      //
      // http://developer.android.com/design/patterns/navigation.html#up-vs-back
      //
      NavUtils.navigateUpFromSameTask(this);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

}

Java Source Code List

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