CALENDAR

java / com.bpdev.alarm / MainActivity.java package com.bpdev.alarm; import androidx.appcompat.app.AlertDialog; import androidx.appcompat.app.AppCompatActivity; import android.content.DialogInterface; import android.media.MediaPlayer; import android.os.Bundle; import android.os.CountDownTimer; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.w..