thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.ListView;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.TimetableProvider;
import dk.thoerup.traininfo.util.MessageBox;
import static dk.thoerup.traininfo.R.string.*;

public class TimetableList extends Activity {
        
        private static final int DLG_PROGRESS = 8000;
        DepartureBean departure;
        TimetableListAdapter adapter;
        TimetableFetcher fetcher;
        List<TimetableBean> timetables;
        
        TimetableProvider provider; 

        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.timetablelist);
                
                provider = ProviderFactory.getTimetableProvider();
                
                adapter = new TimetableListAdapter(this);
                
                ListView lv = (ListView) findViewById(R.id.List);
                lv.setAdapter(adapter);

                
                Intent launchedBy = getIntent();
                departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
                
                ((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
                ((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
                ((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
                ((TextView)findViewById(R.id.Note)).setText(departure.getNote());
                ((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
                                                
                
                if (savedInstanceState == null) {
                        startTimetableFetcher();
                } else {
                        timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
                        adapter.setTimetable(timetables);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {           
        dismissDialog(DLG_PROGRESS);
        outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
    }

        
        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_PROGRESS:
                        //pgDialog = (ProgressDialog) dialog;
                        break;
                }
        }
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);                  
                        dlg.setMessage( getString(timetablelist_fetchdata) );
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startTimetableFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new TimetableFetcher(); 
                fetcher.execute(departure.getTrainNumber());
        }
        
        class TimetableFetcher extends AsyncTask<String,Void,Void> {
                
                boolean success;
                
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dismissDialog(DLG_PROGRESS);
        
                        
                        if (success) {
                                adapter.setTimetable(timetables);
                                if (timetables.size() == 0) {
                                        MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                builder.setMessage(getString(timetablelist_fetcherror));
                                builder.setCancelable(true);
                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startTimetableFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                        
                }
                
                @Override
                protected Void doInBackground(String... arg0) {
                        String trainID = arg0[0];
                        success = provider.lookupTimetable(trainID);
                        timetables = provider.getTimetable(trainID);
                        
                        return null;
                }
                
        }
}
1	torben	362	package dk.thoerup.traininfo;
2
3	torben	365
4			import java.util.ArrayList;
5			import java.util.List;
6
7	torben	366	import android.app.Activity;
8	torben	365	import android.app.AlertDialog;
9			import android.app.Dialog;
10			import android.app.ProgressDialog;
11			import android.content.DialogInterface;
12	torben	364	import android.content.Intent;
13	torben	365	import android.os.AsyncTask;
14	torben	362	import android.os.Bundle;
15	torben	366	import android.widget.ListView;
16	torben	362	import android.widget.TextView;
17	torben	365	import dk.thoerup.traininfo.provider.ProviderFactory;
18			import dk.thoerup.traininfo.provider.TimetableProvider;
19			import dk.thoerup.traininfo.util.MessageBox;
20	torben	561	import static dk.thoerup.traininfo.R.string.*;
21	torben	362
22	torben	366	public class TimetableList extends Activity {
23	torben	364
24	torben	365	private static final int DLG_PROGRESS = 8000;
25	torben	364	DepartureBean departure;
26	torben	365	TimetableListAdapter adapter;
27			TimetableFetcher fetcher;
28			List<TimetableBean> timetables;
29	torben	364
30	torben	365	TimetableProvider provider;
31
32			@SuppressWarnings("unchecked")
33	torben	362	@Override
34			protected void onCreate(Bundle savedInstanceState) {
35			super.onCreate(savedInstanceState);
36			setContentView(R.layout.timetablelist);
37	torben	364
38	torben	365	provider = ProviderFactory.getTimetableProvider();
39
40			adapter = new TimetableListAdapter(this);
41
42	torben	366	ListView lv = (ListView) findViewById(R.id.List);
43			lv.setAdapter(adapter);
44
45
46	torben	364	Intent launchedBy = getIntent();
47			departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
48
49			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
50			((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
51	torben	398	((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
52	torben	364	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
53	torben	563	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
54	torben	366
55	torben	365
56			if (savedInstanceState == null) {
57			startTimetableFetcher();
58			} else {
59			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
60			adapter.setTimetable(timetables);
61			}
62	torben	362	}
63	torben	365
64			@Override
65			public void onSaveInstanceState(Bundle outState)
66			{
67			dismissDialog(DLG_PROGRESS);
68			outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
69			}
70	torben	364
71	torben	365
72			@Override
73			protected void onPrepareDialog(int id, Dialog dialog) {
74			super.onPrepareDialog(id, dialog);
75
76			switch (id) {
77			case DLG_PROGRESS:
78			//pgDialog = (ProgressDialog) dialog;
79			break;
80			}
81			}
82
83			@Override
84			protected Dialog onCreateDialog(int id) {
85			switch (id) {
86			case DLG_PROGRESS:
87	torben	561	ProgressDialog dlg = new ProgressDialog(this);
88			dlg.setMessage( getString(timetablelist_fetchdata) );
89	torben	365	dlg.setCancelable(true);
90			return dlg;
91			default:
92			return super.onCreateDialog(id);
93			}
94			}
95
96			void startTimetableFetcher() {
97			showDialog(DLG_PROGRESS);
98			fetcher = new TimetableFetcher();
99			fetcher.execute(departure.getTrainNumber());
100			}
101
102			class TimetableFetcher extends AsyncTask<String,Void,Void> {
103
104			boolean success;
105
106			@Override
107			protected void onPostExecute(Void result) {
108			super.onPostExecute(result);
109			dismissDialog(DLG_PROGRESS);
110
111
112			if (success) {
113			adapter.setTimetable(timetables);
114			if (timetables.size() == 0) {
115	torben	561	MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
116	torben	365	}
117			} else { // communication or parse error
118			AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
119	torben	561	builder.setMessage(getString(timetablelist_fetcherror));
120	torben	365	builder.setCancelable(true);
121	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
122	torben	365	public void onClick(DialogInterface dialog, int id) {
123			dialog.dismiss();
124			startTimetableFetcher();
125
126			}
127			});
128	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
129	torben	365	public void onClick(DialogInterface dialog, int id) {
130			dialog.dismiss();
131			}
132			});
133			builder.show();
134			}
135
136			}
137
138			@Override
139			protected Void doInBackground(String... arg0) {
140			String trainID = arg0[0];
141			success = provider.lookupTimetable(trainID);
142	torben	391	timetables = provider.getTimetable(trainID);
143	torben	365
144			return null;
145			}
146
147			}
148	torben	362	}