In java.util.Calendar, why does setting the value of Calendar.YEAR affect the value of Calendar.MONTH?
Tag : java , By : user176445
Date : March 29 2020, 07:55 AM
should help you out I believe the calendar is remembering how many days into the year you are. in 2012 you were on day 31 + 29 = Feb 29. In 2011 that was March 1. Then you asked for the actual maximum of that month, which (for March) is 31.
Calendar API is horrible.
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Flutter - push firebase notifications to specific users without firebase auth
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , The push notifications are not sent based on user, they are sent based on push notification token that is received when you register for push notifications (iOS & Android).
The push notification token will change in the case of uninstall/install and has nothing to do with what user is logged in in the app, you can send push notifications to apps that don't have users at all.
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When implementing Firebase (Flutter) notifications, I'm getting an error
Date : March 29 2020, 07:55 AM
may help you . You should take a look at the libraries you are using.
The error says it found two different versions for com.android.support:support-fragment. Open your android/build.gradle and check if there is that dependency here and update it to version 27.1.1.
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Send unique Firebase push notifications to users on Flutter app
Date : March 29 2020, 07:55 AM
I wish this help you to send a push notification to a related subject your user should be subscribed to it: final FirebaseMessaging _fcm = FirebaseMessaging();
...
FlatButton(
child: Text('I like puppies'),
onPressed: () => _fcm.subscribeToTopic('puppies');,
),
FlatButton(
child: Text('I hate puppies'),
onPressed: () => _fcm.unsubscribeFromTopic('puppies');,
),
export const sendToTopic = functions.firestore.document('puppies/{puppyId}').onCreate(async snapshot => {
const puppy = snapshot.data();
const payload: admin.messaging.MessagingPayload = {
notification: {
title: 'New Puppy!',
body: `${puppy.name} is ready for adoption`,
icon: 'your-icon-url',
click_action: 'FLUTTER_NOTIFICATION_CLICK' // required only for onResume or onLaunch callbacks
}
};
return fcm.sendToTopic('puppies', payload);});
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Extend java.util.calendar class
Date : March 29 2020, 07:55 AM
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