Android Assignment Planner: Subject Deadlines, Reminders and Submission Progress

An Android assignment planner is an offline mobile app that keeps every subject assignment, its deadline, its priority and its submission status in one place on the student's phone. What is an Android assignment planner? It is an app where the student adds an assignment under its subject, sets the due date, and receives a reminder before that date, then marks the work submitted once it is handed in, so overdue work, work due today and upcoming work are visible at a glance instead of being scattered across notebooks, chat messages and memory. A missed deadline usually comes from a forgotten date rather than from unfinished work, so the planner attacks the forgetting itself: the deadline is stored once, the reminder is scheduled at the same moment, and the progress count for each subject shows plainly how much is done and how much is still open.

The planner turns a deadline into a completed submission through five stages: the student adds an assignment under its subject with a due date and a priority, the app stores that assignment in a local Room database on the device, a WorkManager reminder is scheduled for the chosen lead time, the list view computes overdue, due-today and upcoming status from the stored due date each time the app opens, and the student marks the assignment submitted when the work is handed in, which updates the subject progress count. Nothing leaves the phone at any stage, so the whole flow works in a classroom, on a bus, or anywhere without a data connection. Because status is computed from the due date at each app open, an assignment quietly moves from upcoming to due today to overdue without the student editing anything.

1. The student opens the app and adds an assignment, choosing its subject, title, due date and priority level.
2. The app saves the assignment in the local Room database on the device, with its submission status set to open.
3. WorkManager schedules a reminder for the chosen lead time, such as 1 day before the deadline at 9:00 AM.
4. The planner list shows the assignment under its computed status: upcoming, due today, overdue, or submitted, based on the stored due date.
5. The student filters the list by status or by subject to find the work that needs attention first.
6. When the work is handed in, the student marks the assignment submitted in one tap, and the subject progress count updates at once.
7. After a device reboot, a boot receiver reschedules any reminders that are still pending, so a restart does not silently cancel a reminder.

Builder note from the actual build design: reminders are scheduled with WorkManager at creation time and rescheduled after a device reboot by a boot receiver, and overdue status is computed from the stored due date at each app open rather than stored as a flag, so an assignment can never be stuck showing the wrong status because a stored flag went stale. Status is a calculation from the date, not a label written once and forgotten.

Tech stack:

• Kotlin with Android Studio
• Room local database
• WorkManager reminders
• Material 3 UI components
• Jetpack Navigation
• RecyclerView list display
• Android notification channels
• Gradle build tooling

An Android assignment planner earns its place on a student's phone through four capabilities working together: subject-wise assignment entry with a due date and priority for every item, reminders scheduled at the moment an assignment is created, a single list that separates overdue work from work due today and upcoming work, and a per-subject progress count that turns submission status into a visible record. The app needs no account and no internet connection, so adding an assignment takes seconds and checking the day's deadlines takes even less. Each subject keeps its own count of submitted and open items, which means a student can see at a glance whether one subject is falling behind while the others are on track, rather than guessing from a mixed list. That subject view also makes revision planning simpler, since the subjects with the most open work are obvious before any study session begins.

• [Subject-wise assignment entry] Every assignment is added under a subject with a title, a due date and a priority level, so work for Data Structures never mixes with work for Operating Systems in the same list.
• [Reminders scheduled at creation] A reminder is scheduled with WorkManager as soon as an assignment is saved, using the student's chosen lead time, so no separate alarm or calendar entry is needed.
• [Overdue, today and upcoming filters] The planner list can be filtered to overdue items, items due today, upcoming items, or submitted items, so the student opens the app and immediately sees what needs attention first.
• [Per-subject submission progress] Each subject shows how many of its assignments are submitted out of its total, giving a plain count of what is done and what is still open for that subject.
• [Mark submitted in one tap] An assignment is marked submitted from the list itself, which updates the subject count at once, so the progress view always reflects the latest status.
• [Priority levels for ordering] High, medium and low priority levels let the student order the day's work, with overdue and high-priority items standing out in the list.
• [Fully offline local storage] All assignments live in a Room database on the device, so the planner works without an account, without a server, and without a mobile data connection.

Implemented in the base build: subject-wise entry, reminders at creation, the four list filters, per-subject progress counts, one-tap submission marking, priority levels, and offline Room storage. Optional on request: custom reminder times per subject, a weekly summary view, or a dark theme. Future scope only, not in the base build: any teacher or college portal connection, and any sync between two devices.

• Android app source code in Kotlin with Room local database and WorkManager reminders
• Working HTML demo of the planner logic for preview (the demo runs in a browser and is not the Android build itself)
• Subject list and reminder preferences configured as agreed before the build
• User guide covering adding assignments, filters, submission marking and progress views
• Project report PDF (background, problem statement, methodology, system working, outcomes)
• PPT presentation for final review
• Viva Q&A preparation document covering Kotlin, Room, WorkManager, Material 3 and offline storage

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