UdaraAlwis

using System;
using System.Linq;
using System.Text;
using Android.Content;
using Android.Content.PM;
using Android.Util;
using Java.Security;
using Java.Util;

namespace WhateverNameSpace.Droid.Util

UdaraAlwis

// move to the class global level
using Android.Util;
using Java.Security;
using Java.Util;
using System.Text;
// move to the class global level

private static string HASH_TYPE = "SHA-256";
private static int NUM_HASHED_BYTES = 9;
private static int NUM_BASE64_CHAR = 11;

UdaraAlwis

// this goes in your shared .Net Standard project
namespace WhateveryourNamespace.SharedProject.Helpers
{
    /// <summary>
    /// Simple helper extension to access CrossCurrentActivity 
    /// plugin instance from your .NET Standard project.
    /// </summary>
    public static class CrossCurrentActivity
    {
        /// <summary>Current settings to use</summary>

UdaraAlwis

using System;
using System.IO;
using System.Reflection;

namespace WhateverYourNamespace
{
    public static class JsonFileHelper
    {
        public static string GetJsonFileString()
        {

UdaraAlwis

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;

namespace App2
{

UdaraAlwis

private static async Task ExecuteGoogleFormsSubmitAsync()
{
	// Init HttpClient to send the request
	HttpClient client = new HttpClient();

	// Build the Field Ids and Answers dictionary object
	// (replace with your Google Form Ids and Answers)
	var bodyValues = new Dictionary<string, string>
	{
		{"entry.1277095329","Orange Snails"},

UdaraAlwis

// Imports you might need! ;) 
//using HtmlAgilityPack;
//using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Threading.Tasks;

private static async Task<List<string>> ScrapeOffListOfFieldIdsFromGoogleFormsAsync(string yourGoogleFormsUrl)
{
	HtmlWeb web = new HtmlWeb();

UdaraAlwis

:: Make sure ffprobe.exe and the video file is in the same folder
:: Download ffmpeg: https://www.ffmpeg.org/download.html
:: Command Line executable code

:: Get video length of a given mp4 file using ffprobe.exe
:: 0:01:01.812000
:: HOURS:MM:SS.MICROSECONDS
ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 video_file_name.mp4 -sexagesimal 

UdaraAlwis

:: Make sure ffmpeg.exe and the video file is in the same folder
:: Download ffmpeg: https://www.ffmpeg.org/download.html
:: Command Line executable code


:: Split a given mp4 file using ffmpeg.exe
:: Method 1: From 00:00:00 To 00:00:15 
ffmpeg -i video_file_name.mp4 -ss 00:00:00 -t 00:00:15 -vcodec copy video_file_name_output.mp4 

:: Method 1: From 00:00:15 To End

UdaraAlwis

:: Generate a Video Slideshow from images in a folder on Windows
:: that's optimized for current system's screen resolution
:: Make sure your Images, ffmpeg executables, and this batch file are in the same folder
:: The images should be ".jpg" format, or you may change in the script below
:: Make sure to download ffmpeg: https://www.ffmpeg.org/download.html
:: Command Line executable code

:: Begin by getting the framerate. ex: 1/2
:: This determines time span for each image to display
:: And load the images in the current directory