如何一次拥有Arraylist中每个项目的通知-Android Java

Question

I am working on an reminder App which remind user of his drugs expiry dates by push notifications whenever the expiry date is after 2 days and after 30 days from now. in onHandleWork method: I do my query and I save the result in Arraylist then I call notification for every item in the Arraylist.

the problem is: the notification generate only for the first item in the list.

what I missed?

NotificationIntentService2:

 package com.example.android.homepharmacy.notifications; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.support.v4.app.JobIntentService; import android.support.v4.app.NotificationCompat; import android.support.v4.app.NotificationManagerCompat; import android.support.v4.content.WakefulBroadcastReceiver; import com.example.android.homepharmacy.Activity.DrugActivity; import com.example.android.homepharmacy.DataModel.DrugAlert2; import com.example.android.homepharmacy.Database.DataContract; import com.example.android.homepharmacy.R; import com.example.android.homepharmacy.broadcast_receivers.NotificationEventReceiver2; import java.text.DateFormat; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; public class NotificationIntentService2 extends JobIntentService { private static final int NOTIFICATION_ID = 2; private static final String ACTION_START = "ACTION_START2"; private static final String ACTION_DELETE = "ACTION_DELETE2"; private static String TAG = NotificationIntentService2.class.getName(); ArrayList<DrugAlert2> arrayList2 = new ArrayList<>(); DrugAlert2 drugAlert2; DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy"); ArrayList<DrugAlert2> drugsExList = new ArrayList<>(); String drugEpiryName; String drugExpiryDate; int drugEpityId; String toda; Date today; String exNotDrugName; String exNotDrugDate; int exNotDrugId; public static void startService2(Context context) { enqueueWork(context, NotificationIntentService2.class, 1002, new Intent()); } @Override protected void onHandleWork(Intent intent) { Date date = new Date(); toda = dateFormat.format(date); today = dateFormat.parse(toda, new ParsePosition(0)); arrayList2 = setTimeAlarm2(); if(arrayList2 != null){ if(arrayList2.size() > 0){ for(DrugAlert2 d2 : arrayList2){ exNotDrugName = d2.getDrug_name(); exNotDrugDate = d2.getDrug_ex_date(); exNotDrugId = d2.getIdEx(); try { processStartNotification2(); String action = intent.getAction(); if (ACTION_START.equals(action)) { processStartNotification2(); } } finally { WakefulBroadcastReceiver.completeWakefulIntent(intent); } } } } } public static Intent createIntentStartNotificationService2(Context context) { Intent intent = new Intent(context, NotificationIntentService2.class); intent.setAction(ACTION_START); return intent; } public static Intent createIntentDeleteNotification2(Context context) { Intent intent = new Intent(context, NotificationIntentService2.class); intent.setAction(ACTION_DELETE); return intent; } private void processDeleteNotification2(Intent intent) { // Log something? } private void processStartNotification2() { // Do something. For example, fetch fresh data from backend to create a rich notification? final NotificationCompat.Builder builder = new NotificationCompat.Builder(this); builder.setContentTitle("Drug Expiry soon!! ") .setAutoCancel(true) .setColor(getResources().getColor(R.color.colorAccent)) .setContentText("The " + exNotDrugName + " Will Expiry in: " + exNotDrugDate ) .setSmallIcon(R.drawable.logo); Intent mainIntent = new Intent(this, DrugActivity.class); mainIntent.putExtra(Intent.EXTRA_TEXT, exNotDrugId); PendingIntent pendingIntent = PendingIntent.getActivity(this, NOTIFICATION_ID, mainIntent, PendingIntent.FLAG_UPDATE_CURRENT); builder.setContentIntent(pendingIntent); builder.setDeleteIntent(NotificationEventReceiver2.getDeleteIntent(this)); NotificationManagerCompat manager = NotificationManagerCompat.from(this); manager.notify(NOTIFICATION_ID, builder.build()); } public ArrayList<DrugAlert2> setTimeAlarm2(){ Calendar cal = Calendar.getInstance(); // creates calendar cal.setTime(today); // sets calendar time/date cal.add(Calendar.DATE, +30); Date dateBefore30Days = cal.getTime(); String beforeMonthe = dateFormat.format(dateBefore30Days); ///// Calendar ca2 = Calendar.getInstance(); // creates calendar ca2.setTime(today); // sets calendar time/date ca2.add(Calendar.DATE, +2); Date dateBefore2Days = ca2.getTime(); String before2Days = dateFormat.format(dateBefore2Days); Cursor c = getContentResolver().query(DataContract.DrugsEntry.CONTENT_URI, DRUG_COLUMNS, "expiry_date IN(?,?)", new String[]{before2Days , beforeMonthe}, null); if(c != null){ int d = c.getCount(); if(c.moveToFirst()) { while (!c.isAfterLast()) { drugEpiryName = c.getString(c.getColumnIndex("commercial_name")); drugEpityId = c.getInt(c.getColumnIndex("_id")); drugExpiryDate = c.getString(c.getColumnIndex("expiry_date")); drugAlert2 = new DrugAlert2(drugEpityId, drugEpiryName, drugExpiryDate); drugsExList.add(drugAlert2); c.moveToNext(); } } } return drugsExList; } private static final String[] DRUG_COLUMNS = { DataContract.DrugsEntry._ID, DataContract.DrugsEntry.COLUMN_DRUG_COMMERCIAL_NAME, DataContract.DrugsEntry.COLUMN_DRUG_COMMERCIAL_NAME_ARABIC, DataContract.DrugsEntry.COLUMN_DRUG_SCIENTIFIC_NAME, DataContract.DrugsEntry.COLUMN_DRUG_SCIENTIFIC_NAME_ARABIC, DataContract.DrugsEntry.COLUMN_DRUG_INDICATION, DataContract.DrugsEntry.COLUMN_DRUG_INDICATION_ARABIC, DataContract.DrugsEntry.COLUMN_EXPIRY_DATE, DataContract.DrugsEntry.COLUMN_DRUG_CONCENTRATION, DataContract.DrugsEntry.COLUMN_DRUG_TYPE, DataContract.DrugsEntry.COLUMN_DRUG_TYPE_ARABIC, DataContract.DrugsEntry.COLUMN_DRUG_WARNINGS, DataContract.DrugsEntry.COLUMN_DRUG_WARNINGS_ARABIC, DataContract.DrugsEntry.COLUMN_SIDE_EFFECTS, DataContract.DrugsEntry.COLUMN_SIDE_EFFECTS_ARABIC, DataContract.DrugsEntry.COLUMN_PREGNENT_ALLOWED, DataContract.DrugsEntry.COLUMN_DRUG_DESCRIPTION, DataContract.DrugsEntry.COLUMN_DRUG_DESCRIPTION_ARABIC, DataContract.DrugsEntry.COLUMN_DRUG_BARCODE }; } 

Answer 1

每次更改NOTIFICATION_ID值。