I am using AlarmManager to create notifications for my Android app. For simplicity, let's say there is a UI where there is a drop-down list containing "Silent", "Vibrate", "Beep", "Music". If the user selects "Silent", a silent notification should appear. If the user selects "Vibrate", a notification that causes the device to vibrate should occur. If the user selects "Beep", the notification will play the device's stock beep sound. If the user selects "Music", the notification will play a .mp3 file from res/raw/audio.mp3. Some of the .java files are attached to give you an idea - please take a look before bidding. I can provide the whole project file with most of the code already written upon award of the project.
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I got what you want to do and I think I can do it plus as I have worked with Alarm Manager and work manager for triggering notifications and with Firebase also.