Android Open Source - WarehouseBarcode Balance Activity

From Project

License

The source code is released under:
MIT License
If you think the Android project WarehouseBarcode listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.hlgranite.warehousescanner;
/* w  w w  .  j  a v  a2  s .c  o  m*/
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ExpandableListView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public class BalanceActivity extends Activity {
    /** Determine focus back on screen after click on menu */
    private boolean isBack = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_balance);
    }

    @Override
    protected void onResume() {
        super.onResume();

        Log.i("INFO", "BalanceActivity.onResume()");
        new RetrieveShipment(this).execute();
    }

    @Override
    public void onWindowFocusChanged(boolean hasFocus) {
        super.onWindowFocusChanged(hasFocus);
        Log.i("INFO", "BalanceActivity.onWindowFocusChanged()");

        isBack = !isBack;
        if(isBack) {
            new RetrieveShipment(this).execute();
        }
    }

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

    private class RetrieveShipment extends AsyncTask<String, Void, ArrayList<Shipment>> {

        private Context context;
        public RetrieveShipment(Context context) {
            this.context = context;
        }

        @Override
        protected ArrayList<Shipment> doInBackground(String... params) {
            return FusionManager.getInstance().getShipments();
        }

        @Override
        protected void onPostExecute(ArrayList<Shipment> shipments) {
            super.onPostExecute(shipments);
            new RetrieveWorkOrder(context).execute();
        }
    }

    private class RetrieveWorkOrder extends AsyncTask<String, Void, ArrayList<WorkOrder>> {

        private Context context;
        public RetrieveWorkOrder(Context context) {
            this.context = context;
        }

        @Override
        protected ArrayList<WorkOrder> doInBackground(String... params) {
            FusionManager.getInstance().resetWorkOrder();
            return FusionManager.getInstance().getWorkOrders(0);
        }

        @Override
        protected void onPostExecute(ArrayList<WorkOrder> workOrders) {
            super.onPostExecute(workOrders);
            new RetrieveBalance(context).execute();
        }
    }

    private class RetrieveBalance extends AsyncTask<String, Void, ArrayList<Stock>> {

        private Context context;
        public RetrieveBalance(Context context) {
            this.context = context;
        }

        @Override
        protected ArrayList<Stock> doInBackground(String... params) {
            return FusionManager.getInstance().getStocks();
        }

        @Override
        protected void onPostExecute(ArrayList<Stock> stocks) {
            super.onPostExecute(stocks);

            final ExpandableListView listView = (ExpandableListView)findViewById(R.id.expandableListView);
            if(listView.getAdapter() == null) {

                Log.i("INFO", "Set once for list adapter only");
                Collections.sort(stocks, new StockCodeComparator());
                Map<Stock, Map<Barcode,Integer>> children = new HashMap<Stock, Map<Barcode, Integer>>();
                for(Stock stock: stocks) {
                    stock.getBalance();
                    children.put(stock, stock.getItems());
                }

                final InventoryExpandableAdapter adapter = new InventoryExpandableAdapter(context, stocks, children);
                listView.setAdapter(adapter);
                listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                    @Override
                    public void onItemClick(AdapterView<?> parent, final View view, int position, long id) {
                        final Stock item = (Stock) parent.getItemAtPosition(position);
                        Toast.makeText(getApplicationContext(), item.getDescription(), Toast.LENGTH_LONG)
                                .show();
                    }
                });
            } else if(listView.getAdapter().getCount() == 0) {

                Log.i("INFO", "Repopulate");
                Collections.sort(stocks, new StockCodeComparator());
                Map<Stock, Map<Barcode,Integer>> children = new HashMap<Stock, Map<Barcode, Integer>>();
                for(Stock stock: stocks) {
                    stock.getBalance();
                    children.put(stock, stock.getItems());
                }

                InventoryExpandableAdapter adapter = (InventoryExpandableAdapter)listView.getExpandableListAdapter();
                adapter.setGroupList(stocks);
                adapter.setChildList(children);
                adapter.notifyDataSetChanged();
            }
        }
    }
    
}
Java Source Code List
