Time Duration Pray Times

 Java Code

package com.imransworld.prayertime;

import android.os.Bundle;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONObject;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

public class TimeDuration extends AppCompatActivity {

    private TextView fajrDurationTextView, dhuhrDurationTextView, asrDurationTextView, maghribDurationTextView, ishaDurationTextView;
    private String city = "Dhaka";   // Example city (you can replace it with user input)
    private String country = "Bangladesh"; // Example country (replace it as needed)

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

        // Initialize TextViews
        fajrDurationTextView = findViewById(R.id.fajrDurationTextView);
        dhuhrDurationTextView = findViewById(R.id.dhuhrDurationTextView);
        asrDurationTextView = findViewById(R.id.asrDurationTextView);
        maghribDurationTextView = findViewById(R.id.maghribDurationTextView);
        ishaDurationTextView = findViewById(R.id.ishaDurationTextView);

        // Fetch prayer times using Aladhan API
        fetchPrayerTimes(city, country);
    }

    // Method to calculate the time difference between two prayer times
    private String calculateDuration(String startTime, String endTime) {
        try {
            SimpleDateFormat format = new SimpleDateFormat("HH:mm", Locale.getDefault());

            // Parse the start and end time
            Date startDate = format.parse(startTime);
            Date endDate = format.parse(endTime);

            // If the end time is earlier than the start time, it means the end time is on the next day
            if (endDate.before(startDate)) {
                // Add 24 hours to the end time to handle the transition to the next day
                Calendar calendar = Calendar.getInstance();
                calendar.setTime(endDate);
                calendar.add(Calendar.DATE, 1); // Add 1 day
                endDate = calendar.getTime();
            }

            // Calculate the difference in milliseconds
            long difference = endDate.getTime() - startDate.getTime();

            // Convert milliseconds to hours and minutes
            long hours = (difference / (1000 * 60 * 60)) % 24;
            long minutes = (difference / (1000 * 60)) % 60;

            // Format the duration in hours and minutes
            return String.format(Locale.getDefault(), "%02d hours %02d minutes", hours, minutes);
        } catch (Exception e) {
            e.printStackTrace();
            return "";
        }
    }

    // Method to set and display prayer durations
    private void setPrayerDurations(String fajr, String dhuhr, String asr, String maghrib, String isha) {
        // Calculate the duration of each prayer by comparing it to the next one
        String fajrDuration = calculateDuration(fajr, dhuhr);
        String dhuhrDuration = calculateDuration(dhuhr, asr);
        String asrDuration = calculateDuration(asr, maghrib);
        String maghribDuration = calculateDuration(maghrib, isha);

        // For Isha, we calculate the time until Fajr the next day
        String ishaDuration = calculateDuration(isha, fajr);

        // Display the durations in the UI
        fajrDurationTextView.setText("Fajr: " + fajrDuration);
        dhuhrDurationTextView.setText("Dhuhr: " + dhuhrDuration);
        asrDurationTextView.setText("Asr: " + asrDuration);
        maghribDurationTextView.setText("Maghrib: " + maghribDuration);
        ishaDurationTextView.setText("Isha: " + ishaDuration);
    }

    // Method to fetch prayer times using Aladhan API
    private void fetchPrayerTimes(String city, String country) {
        // Construct the API URL
        String url = "https://api.aladhan.com/v1/timingsByCity?city=" + city + "&country=" + country;

        // Make a request using Volley
        RequestQueue queue = Volley.newRequestQueue(this);
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, url, null,
                new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            // Extract prayer times from the API response
                            JSONObject data = response.getJSONObject("data").getJSONObject("timings");
                            String fajr = data.getString("Fajr");
                            String dhuhr = data.getString("Dhuhr");
                            String asr = data.getString("Asr");
                            String maghrib = data.getString("Maghrib");
                            String isha = data.getString("Isha");

                            // Set the prayer durations
                            setPrayerDurations(fajr, dhuhr, asr, maghrib, isha);

                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                });

        // Add the request to the queue
        queue.add(jsonObjectRequest);
    }
}

XML Code

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical"
    tools:context=".TimeDuration">

    <TextView
        android:id="@+id/fajrDurationTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Fajr Duration" />

    <TextView
        android:id="@+id/dhuhrDurationTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Dhuhr Duration" />

    <!-- Add similar TextViews for Asr, Maghrib, Isha -->

    <TextView
        android:id="@+id/asrDurationTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Dhuhr Duration" />

    <TextView
        android:id="@+id/maghribDurationTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Dhuhr Duration" />

    <TextView
        android:id="@+id/ishaDurationTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Dhuhr Duration" />

</LinearLayout>