Android Open Source - groceryhelper Main Activity

• Back to App/shopping  ↑

From Project

Back to project page groceryhelper.

License

The source code is released under:

Apache License

Java Source Code

package com.munner.groceryhelper;
//from w ww.  j  a va2 s. c o  m
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.TextView.OnEditorActionListener;

public class MainActivity extends Activity {

  private static final String PREFERENCES = "preferences";
  ItemList il;
  ArrayAdapter<String> adapter;
  ArrayList<String> al;
  
  @Override
  protected void onCreate(Bundle bundle) {
    
    super.onCreate(bundle);
    setContentView(R.layout.activity_main);
    
    if (bundle != null) {
      il = bundle.getParcelable("list");
      updateDisplay();
    }

    else {
      il = new ItemList();
    }
    
    IntentFilter filter = new IntentFilter("remove");
    BroadcastReceiver receiver = new BroadcastReceiver() {
      public void onReceive(Context context, Intent intent) {
        if(intent.getAction().equals("remove")) {
          // Do my stuff
          int index = intent.getIntExtra("index", 0);
          il.removeItem(index);
          updateDisplay();
        }
      }
    };
    registerReceiver(receiver, filter);
    
    EditText et = (EditText) findViewById(R.id.mainText1);
    //not modifying
    et.setOnEditorActionListener(new OnEditorActionListener() {
      @Override
      public boolean onEditorAction(TextView et, int actionId, KeyEvent event) {
        boolean handled = false;
        if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_DOWN){
          if (et.getText().toString().equals("")) {
            //do nothing
          }
          else {
            double   cost = Double.parseDouble(et.getText().toString());
            // new String() should be a string containing the product category
            Spinner sp = (Spinner) findViewById(R.id.spinner1);
            String category = sp.getSelectedItem().toString();
            
            il.addItem(cost, category);
            updateDisplay();

            Toast.makeText(getApplicationContext(), category + " " 
                    + Double.toString(cost), Toast.LENGTH_SHORT).show();

            et.setText(null);
            handled = true;
          }
        }
        return handled;
      }

    });
    al = new ArrayList<String>();

    Set<String> set = new HashSet<String>();
    SharedPreferences info = getSharedPreferences(PREFERENCES, 0);
    al.addAll(info.getStringSet("set", set));
    
    adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_activated_1, al);
    ListView lv = (ListView) findViewById(R.id.mainGList);
    lv.setAdapter(adapter);

    
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // 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) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    else if (id == R.id.item1) {
      Intent intent = new Intent(this, ListActivity.class);
      startActivity(intent);
      return true;
    }
    else if (id == R.id.mainreset){
      il.clear();
      updateDisplay();
      Toast.makeText(getApplicationContext(), "Reset all Items", Toast.LENGTH_SHORT).show();
      return true;
    }
    else if (id == R.id.mainremove) {
      if (il.size() <= 0 ) {
        Toast.makeText(getApplicationContext(), "Nothing to remove", Toast.LENGTH_SHORT).show();
        return true;
      }
      Intent intent = new Intent(this, Remove.class);
      intent.putExtra("il", il.getStringList());
      startActivity(intent);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  @Override 
  protected void onSaveInstanceState(Bundle bundle) {
    super.onSaveInstanceState(bundle);
    bundle.putParcelable("list", il);
  }
  
  @Override
  protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    Set<String> set = new HashSet<String>();
    SharedPreferences info = getSharedPreferences(PREFERENCES, 0);
    al.clear();
    al.addAll(info.getStringSet("set", set));
    adapter.notifyDataSetChanged();
    
  }  

  private void updateDisplay() {
    TextView tv = (TextView) findViewById(R.id.textView10);
    tv.setText(Double.toString(il.getTotal()));

    TextView other = (TextView) findViewById(R.id.TextView06);
    other.setText(Double.toString(il.getCost("other")));

    TextView produce = (TextView) findViewById(R.id.textView9);
    produce.setText(Double.toString(il.getCost("produce")));

    TextView meat = (TextView) findViewById(R.id.TextView01);
    meat.setText(Double.toString(il.getCost("meat")));
    
    TextView alcohol = (TextView) findViewById(R.id.TextView02);
    alcohol.setText(Double.toString(il.getCost("alcohol")));
    
    TextView dairy = (TextView) findViewById(R.id.TextView03);
    dairy.setText(Double.toString(il.getCost("dairy")));
    
    TextView deli = (TextView) findViewById(R.id.TextView04);
    deli.setText(Double.toString(il.getCost("deli")));
    
    TextView bread = (TextView) findViewById(R.id.TextView05);
    bread.setText(Double.toString(il.getCost("bread")));
    
    TextView frozen = (TextView) findViewById(R.id.TextView07);
    frozen.setText(Double.toString(il.getCost("frozen")));
    
    TextView snacks = (TextView) findViewById(R.id.TextView09);
    snacks.setText(Double.toString(il.getCost("snacks")));
    
  }  
  
}

Java Source Code List

• Back to App/shopping  ↑