AudioPlay

import { Http, Headers, ResponseContentType } from '@angular/http';
import { Component } from '@angular/core';
import {
	NavController,
	AlertController,
	Platform
} from 'ionic-angular';
import { Injectable } from '@angular/core';
import { 
	MediaPlugin,
	Device,
	File
 } from 'ionic-native';
import { AppConstants } from '../../app/app.constants';
import { TextSpeechApi } from '../../app/service.textSpeechApi';
import {
	message
} from '../../app/app.datatypes';
import Rx from 'rxjs/Rx';

declare var cordova: any;
declare var window: any;
@Injectable()
export class AudioPlayer {
	constructor(private http: Http) {

	}
}
//public playAudio(){}
let parsedMessage = JSON.parse(message["data"]).activities[0];
this.AudioPlayer.TextRecognise(parsedMessage.attachments[0].content.text)
	.subscribe(res => {
		console.log(res);

		let errorFunc = function (err) {
			console.log(err);
		}

		window.requestFileSystem(window.PERSISTENT, 5 * 1024 * 1024, function (fs) {

			console.log('file system open: ' + fs.name);
			createFile(fs.root, "tmp.mp3", res.arrayBuffer(), false);

		}, errorFunc);

		let createFile = function (dirEntry, fileName, data, isAppend) {
			// Creates a new file or returns the file if it already exists.
			dirEntry.getFile(fileName, { create: true, exclusive: false }, function (fileEntry) {

				writeFile(fileEntry, data, isAppend);

			}, errorFunc);

		}
		let writeFile = function (fileEntry, dataObj, isAppend) {
			// Create a FileWriter object for our FileEntry (log.txt).
			fileEntry.createWriter(function (fileWriter) {

				fileWriter.onwriteend = function () {
					console.log("Successful file write...");


					const onStatus = (status) => console.log(status);
					let fileUrl = fileEntry.toNativeURL();
					const file = new MediaPlugin(fileUrl, onStatus);
					file.init.then((file) => {
						console.log(file);
					}, (err) => {
									console.log('somthing went wrong! error code: ' + err.code + ' message: ' + err.message);
					});
					file.play();
					};
			
				fileWriter.onerror = function (e) {
					console.log("Failed file write: " + e.toString());
					};
			
				// If data object is not passed in,
				// create a new Blob instead.

				fileWriter.write(dataObj, isAppend);
			});
		}
		});