What does the stacktrace say?
On Fri, Feb 25, 2011 at 6:41 AM, Maidul Islam <[email protected]>wrote:
> Hi all
> I am android Developer. I developed a project.
>
> Alerm :
> User can set date time . A alerm will trigger when time is matching.
>
>
> My work:
> Two Java Class:-- MyDate Class ,SqlDatabase class;
> Mydata will catch user data and pass it to the sql class.
> I catch that date , time and store in sqlite database with java
> coding.
>
> this two class is work fine.I check it.
>
>
> I use Four class to handle ALerm .
>
>
> BrodcastReceiver:---- Reboot, ALermManager;
> Services:----WAkeFullIntent service class ,APpservice class.
>
>
> Reboot running when system is rebooting. It is running before system
> is switching off.
> It is call Alermmanager after some time .I set the time.
> "mgr.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
>
> SystemClock.elapsedRealtime()+120000,
> PERIOD,
> pi);"
>
> Alermmanager direct call Appservice class wittout any work.
> It send "" WakefulIntentService.sendWakefulWork(context,
> AppService.class);""
>
> Appservice class call WakefullIntentService without any work.
> public AppService() {
> super("AppService");
> wakefullIntent class work and send to AlermManager class.
> after work alerm manager will send appservice class .
>
>
> I catch system current date .it is work in fine.
>
> then I open database and try to catch database data.
> My code ----
>
> Calendar cal = Calendar.getInstance();
> //SimpleDateFormat df = new SimpleDateFormat("MM/dd/
> yyyy hh:mm:ss");
> SimpleDateFormat df = new
> SimpleDateFormat("d:M:yyyy");
> SimpleDateFormat d = new SimpleDateFormat("H:m");
> df.setLenient(false);
> d.setLenient(false);
> String s = df.format(cal.getTime());
> String t = df.format(cal.getTime());
>
> System.out.println("sssssssssssssssssssss.........."+s);
> //
> System.out.println("\naaaaaaaaaaaaaaaaaaaaaaaaaaaa...");
> //dbAddEvent=new MultiColumndb(this);
> db.open();
> aa=Long.parseLong(s);
> Cursor cr=db.getAddEvent(aa);
>
>
> if (cr.moveToFirst())
> {
> do {
>
> Log.v("ArrayList","RowCount :"+cr.getPosition()+" "+"Column
> Count :"+cr.getString(0)+" "+cr.getString(1));
> date[i]=cr.getString(0);
>
>
> //
> title[positionsEvents]=addEventsCr.getString(1);
> //Log.v("titles", title[positionsEvents]);
> //positionsEvents++;
> } while (cr.moveToNext());
> cr.close();
> db.close();
>
> };
>
> System.out.println(date[i]);
> //String a=Alert.getString(0).toString()
> +Alert.getString(1).toString()+Alert.getString(2).toString();
> //String b=Alert.getString(1).toString();
>
>
>
> } catch (Exception e) {
> // TODO: handle exception
> Log.e("Exception", e.getMessage(), e);
> }
>
>
> I use this code in onHandleIntent method in wakefullIntent Service.
> I use this code in doWakefulWork in APPservice class.
> I use this code in Reboot class .
>
>
> Everywhere I get A error that is
> Null
> Java.lang.nullpointerException.
>
>
>
>
> SO what is my fault. If anyone help me .
>
>
> Please help me .
>
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