显示一个ProgressDialog

 

[代码] [Java]代码

001 package com.arg;
002
003 import java.util.ArrayList;
004
005 import android.app.ListActivity;
006 import android.app.ProgressDialog;
007 import android.content.Context;
008 import android.os.Bundle;
009 import android.util.Log;
010 import android.view.LayoutInflater;
011 import android.view.View;
012 import android.view.ViewGroup;
013 import android.widget.ArrayAdapter;
014 import android.widget.TextView;
015
016 public class VprograssDialogActivity extends ListActivity {
017     private ProgressDialog m_ProgressDialog = null;
018     private ArrayList m_orders = null;
019     private OrderAdapter m_adapter;
020     private Runnable viewOrders;
021
022     @Override
023     public void onCreate(Bundle savedInstanceState) {
024         super.onCreate(savedInstanceState);
025         setContentView(R.layout.main);
026         m_orders = new ArrayList();
027         this.m_adapter = new OrderAdapter(this, R.layout.row, m_orders);
028
029         setListAdapter(this.m_adapter);
030
031         viewOrders = new Runnable(){
032             @Override
033             public void run() {
034                 getOrders();
035             }
036         };
037         Thread thread =  new Thread(null, viewOrders, "MagentoBackground");
038         thread.start();
039         m_ProgressDialog = ProgressDialog.show(VprograssDialogActivity.this,
040               "Please wait...", "Retrieving data ...", true);
041     }
042     private Runnable returnRes = new Runnable() {
043
044         @Override
045         public void run() {
046             if(m_orders != null && m_orders.size() > 0){
047                 m_adapter.notifyDataSetChanged();
048                 for(int i=0;i<m_orders.size();i++)
049                 m_adapter.add(m_orders.get(i));
050             }
051             m_ProgressDialog.dismiss();
052             m_adapter.notifyDataSetChanged();
053         }
054     };
055     private void getOrders(){
056           try{
057               m_orders = new ArrayList();
058               Order o1 = new Order();
059               o1.setOrderName("SF services");
060               o1.setOrderStatus("Pending");
061               Order o2 = new Order();
062               o2.setOrderName("SF Advertisement");
063               o2.setOrderStatus("Completed");
064               m_orders.add(o1);
065               m_orders.add(o2);
066               Thread.sleep(5000);
067               Log.i("ARRAY", ""+ m_orders.size());
068             } catch (Exception e) {
069               Log.e("BACKGROUND_PROC", e.getMessage());
070             }
071             runOnUiThread(returnRes);
072         }
073     private class OrderAdapter extends ArrayAdapter{
074
075         private ArrayList items;
076
077         public OrderAdapter(Context context, int textViewResourceId, ArrayList items) {
078                 super(context, textViewResourceId, items);
079                 this.items = items;
080         }
081         @Override
082         public View getView(int position, View convertView, ViewGroup parent) {
083                 View v = convertView;
084                 if (v == null) {
085                     LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
086                     v = vi.inflate(R.layout.row, null);
087                 }
088                 Order o = (Order) items.get(position);
089                 if (o != null) {
090                         TextView tt = (TextView) v.findViewById(R.id.toptext);
091                         TextView bt = (TextView) v.findViewById(R.id.bottomtext);
092                         if (tt != null) {
093                               tt.setText("Name: "+o.getOrderName());                            }
094                         if(bt != null){
095                               bt.setText("Status: "+ o.getOrderStatus());
096                         }
097                 }
098                 return v;
099         }
100 }
101 }
102
103
104 Order.java
105 package com.arg;
106
107 public class Order extends Object{
108     private String orderName;
109     private String orderStatus;
110     public String getOrderName() {
111         return orderName;
112     }
113     public void setOrderName(String orderName) {
114         this.orderName = orderName;
115     }
116     public String getOrderStatus() {
117         return orderStatus;
118     }
119     public void setOrderStatus(String orderStatus) {
120         this.orderStatus = orderStatus;
121     }
122
123 }

http://www.oschina.net/code/snippet_166763_6503