below is my code i am trying to working on i am not sure whats going
wrong here and i get this error (paste after this code)
any help please?
private Runnable viewOrders;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
m_orders = new ArrayList<Order>();
this.m_adapter = new OrderAdapter(this, R.layout.row, m_orders);
setListAdapter(this.m_adapter);
viewOrders = new Runnable(){
public void run() {
//loadList();
//getOrders();
new loadSomeStuff().execute("url");
}
};
Thread thread = new Thread(null, viewOrders, "MagentoBackground");
thread.start();
m_ProgressDialog = ProgressDialog.show(this, "Please wait...",
"Retrieving data ...", true);
}
private Runnable returnRes = new Runnable() {
public void run() {
if(m_orders != null && m_orders.size() > 0){
m_adapter.notifyDataSetChanged();
for(int i=0;i<m_orders.size();i++)
m_adapter.add(m_orders.get(i));
}
m_ProgressDialog.dismiss();
m_adapter.notifyDataSetChanged();
}
};
//reading the file from internet:
public class loadSomeStuff extends AsyncTask<String, Integer,
String>{
@Override
protected String doInBackground(String... arg0) {
// all my heavy lifting .. reading the file from net
and returns as
string..
BufferedReader reader = new BufferedReader(new
InputStreamReader(in));
StringBuilder str = new StringBuilder();
String line = null;
try {
while((line = reader.readLine()) != null)
{
str.append(line);
}
} catch (IOException e) {
}
try {
in.close();
} catch (IOException e) {
}
html = str.toString();
//populate the object
m_orders = new ArrayList<Order>();
Order o1 = new Order();
o1.setOrderName("songs_array[0]");
o1.setOrderStatus("Pending");
o1.setQuantity(111);
m_orders.add(o1);
return html ;
}
}
error message:
02-24 17:01:00.641: W/dalvikvm(426): threadid=9: thread exiting with
uncaught exception (group=0x40015560)
02-24 17:01:00.641: E/AndroidRuntime(426): FATAL EXCEPTION: AsyncTask
#1
02-24 17:01:00.641: E/AndroidRuntime(426): java.lang.RuntimeException:
An error occured while executing doInBackground()
02-24 17:01:00.641: E/AndroidRuntime(426): at android.os.AsyncTask
$3.done(AsyncTask.java:200)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:
274)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.FutureTask.setException(FutureTask.java:125)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.FutureTask.run(FutureTask.java:138)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:
1088)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.ThreadPoolExecutor
$Worker.run(ThreadPoolExecutor.java:581)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.lang.Thread.run(Thread.java:1019)
02-24 17:01:00.641: E/AndroidRuntime(426): Caused by:
java.lang.NullPointerException
02-24 17:01:00.641: E/AndroidRuntime(426): at net.issoa.issoa.main
$loadSomeStuff.doInBackground(main.java:128)
02-24 17:01:00.641: E/AndroidRuntime(426): at net.issoa.issoa.main
$loadSomeStuff.doInBackground(main.java:1)
02-24 17:01:00.641: E/AndroidRuntime(426): at android.os.AsyncTask
$2.call(AsyncTask.java:185)
02-24 17:01:00.641: E/AndroidRuntime(426): at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
02-24 17:01:00.641: E/AndroidRuntime(426): ... 4 more
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