AlarmActivity.java

package com.example.hydrationapp;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Vibrator;
import android.util.Log;
import android.widget.Button;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import com.example.hydrationapp.db.DatabaseHelper;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;

import rm.com.clocks.ClockImageView;

public class AlarmActivity extends AppCompatActivity {

    TextView textViewWeight, textViewTime;
    Vibrator mVibrator;
    Button buttonDismiss, buttonSnooze, buttonTake;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_alarm);

        Intent intent = getIntent();

        ClockImageView clockImageView = findViewById(R.id.clock_alarm);
        Calendar mCurrentTime = Calendar.getInstance();
        clockImageView.animateToTime(mCurrentTime.get(Calendar.HOUR_OF_DAY), mCurrentTime.get(Calendar.MINUTE));

        String weight = intent.getStringExtra("weight");
        textViewTime = findViewById(R.id.text_view_time_alarm);
        SimpleDateFormat format = new SimpleDateFormat("h:mm a");
        textViewTime.setText(format.format(mCurrentTime.getTime()));


        mVibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
        long[] pattern = {0, 1000, 1000};
        mVibrator.vibrate(pattern, 0);


        Uri alarmUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM);
        if (alarmUri == null) {
            alarmUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        }
        Ringtone ringtone = RingtoneManager.getRingtone(getApplicationContext(), alarmUri);
        ringtone.play();

        DatabaseHelper databaseHelper = new DatabaseHelper(this);
        List<String> timingList = databaseHelper.getTimings(weight);
        for (int i = 0; i < timingList.size(); i++) {
            Log.i(AlarmActivity.class.getName(), timingList.get(i));
        }

        Calendar nextAlarmTime = Calendar.getInstance();
        nextAlarmTime.set(Calendar.SECOND, 0);
        nextAlarmTime.set(Calendar.MILLISECOND, 0);


        buttonDismiss = findViewById(R.id.button_dismiss);
        buttonDismiss.setOnClickListener(v -> {
            for (int i = 0; i < timingList.size(); i++) {
                String [] time = timingList.get(i).split(":");
                nextAlarmTime.set(Calendar.HOUR_OF_DAY, Integer.parseInt(time[0]));
                nextAlarmTime.set(Calendar.MINUTE, Integer.parseInt(time[1]));
                if (mCurrentTime.before(nextAlarmTime)) {
                    break;
                } else if (mCurrentTime.after(nextAlarmTime) && i == (timingList.size() - 1) ) {
                    nextAlarmTime.set(Calendar.DAY_OF_MONTH, nextAlarmTime.get(Calendar.DAY_OF_MONTH) + 1);
                    time = timingList.get(0).split(":");
                    nextAlarmTime.set(Calendar.HOUR_OF_DAY, Integer.parseInt(time[0]));
                    nextAlarmTime.set(Calendar.MINUTE, Integer.parseInt(time[1]));
                }
            }
            mVibrator.cancel();
            ringtone.stop();
            Log.i("daysLeft", String.valueOf(databaseHelper.noOfDaysLeft(weight, nextAlarmTime)));
            if (databaseHelper.noOfDaysLeft(weight, nextAlarmTime) > 0)
                setAlarm(nextAlarmTime, weight);
            finish();
        });

        buttonSnooze = findViewById(R.id.button_snooze);
        buttonSnooze.setOnClickListener(v -> {
            nextAlarmTime.set(Calendar.MINUTE, nextAlarmTime.get(Calendar.MINUTE) + 5);
            mVibrator.cancel();
            ringtone.stop();
            setAlarm(nextAlarmTime, weight);
            finish();
        });
    }

    public void setAlarm(Calendar mAlarmTime, String weight) {
        Intent intent = new Intent(this, AlarmActivity.class);
        intent.putExtra("Weight", weight);

        PendingIntent operation = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

        AlarmManager alarmManagerNew = (AlarmManager) getSystemService(ALARM_SERVICE);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            alarmManagerNew.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, mAlarmTime.getTimeInMillis(), operation);
        } else
            alarmManagerNew.setExact(AlarmManager.RTC_WAKEUP, mAlarmTime.getTimeInMillis(), operation);

    }
}