我正在制作一款短信定时应用程序,它将简单地从用户那里获取时间、短信内容和号码,并在指定时间发送该短信。我正在使用 PendingIntent
。以下是我的示例代码。
当用户创建一个定时任务时,它会简单地调用此方法。
private void SendMessages()
{
Intent intent = new Intent(this, SMSBroadcastReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(
this.getApplicationContext(), 234324243, intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP, Timemilli, pendingIntent);
}
以下是'SMSBroadcastReceiver.java'文件的内容:
public class SMSBroadcastReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
Toast.makeText(context, "SMS Sent !!!!.", Toast.LENGTH_LONG)
.show();
// //Sms Sending
try
{
SmsManager smsManager = SmsManager.getDefault();
for (int i = 0; i < SMSScheduleContactsActivity.SelectedContacts.length; i++)
{
smsManager.sendTextMessage(
SMSScheduleContactsActivity.SelectedContacts[i], null,
AddNewSmsSchedule.Message, null, null);
}
Log.d("testllllllllllllllll", "Message Sent");
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
我的问题是:当用户编辑日程时,我该如何取消原来的广播并发送一个新的?因为可能会有多个日程,所以如何找到要更改/取消的特定日程?