在我的应用程序中，我正在使用FirebaseMessagingService，我正在接收通知，对于这些通知，我在外部存储中创建日志，当我的应用程序处于运行模式时，日志创建完美，但在应用程序之后已被杀死，日志没有被创建，但通知即将到来。我不明白是什么问题，在logcat中也没有任何异常。
public class MyAndroidFirebaseMsgService extends FirebaseMessagingService {
public String message = null;
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
message=remoteMessage.getNotification().getBody();
if(message.contains("Text")){
try {
intent1 = new Intent(this, ResultActivity.class);
intent1.putExtra("TextData", message);
intent1.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT );
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent1, PendingIntent.FLAG_CANCEL_CURRENT);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this);
notificationBuilder.setDefaults(Notification.DEFAULT_ALL);
notificationBuilder.setContentTitle(title);
notificationBuilder.setContentText(message);
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher);
notificationBuilder.setAutoCancel(true);
notificationBuilder.setContentIntent(pendingIntent);
notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(1, notificationBuilder.build());
try {
File file = new File(getExternalFilesDir("MyStorage"),strNotificationFileName);
if (file.exists())
{
IsFileExist=true;
strNotificationFileName=file.getPath();
}
else
{
IsFileExist=true;
try{
file.createNewFile();
strNotificationFileName=file.getPath();
}catch(IOException e)
{
e.printStackTrace();
}
}
}
catch (Exception ex)
{
}
try {
ArrayList<Object> listNotificationread=readObject();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
UpdateNotificationList("Text");
}catch (Exception ex){
System.out.println(ex.getMessage());
}
}
}
}
public ArrayList<Object> readObject() throws ClassNotFoundException, IOException {
File file = new File(getExternalFilesDir("MyStorage"),"Notification.xml");
if (file.exists()) {
}
listNotification = new ArrayList();
//Create new FileInputStream object to read file
FileInputStream fis = new FileInputStream(file.getAbsolutePath());
//Create new ObjectInputStream object to read object from file
ObjectInputStream obj = new ObjectInputStream(fis);
try {
while (fis.available() != -1) {
//Read object from file
NotificationSavedList acc = (NotificationSavedList) obj.readObject();
listNotification.add(acc);
}
} catch (EOFException ex) {
System.out.println(ex.getMessage());
}
//Collections.reverse(listNotification);
return listNotification;
}
public void writeObject(ArrayList<Object> listNotification) throws IOException {
File file = new File(getExternalFilesDir("MyStorage"),"Notification.xml");
//Create FileOutputStream to write file
FileOutputStream fos = new FileOutputStream(file.getAbsolutePath());
//Create ObjectOutputStream to write object
ObjectOutputStream objOutputStream = new ObjectOutputStream(fos);
//Write object to file
for (Object obj : listNotification) {
objOutputStream.writeObject(obj);
objOutputStream.reset();
}
objOutputStream.close();
}
public void UpdateNotificationList(String type) {
try {
try {
if (listNotification.size() > 20) {
listNotification.remove(0);
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
Date currentTime = Calendar.getInstance().getTime();
SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss");
String parsedDate = formatter.format(currentTime);
NotificationSavedList _NotificationSavedList = new NotificationSavedList(listNotification.size()+1, type, message, parsedDate);
listNotification.add(_NotificationSavedList);
writeObject(listNotification);
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
}
}