Button on click Not Connecting to Javascript - javascript

I am trying connect my button in my html to my javascript file. I have been using this method for weeks and all of a sudden it stopped working and now I am receiving an error, "will_be_set_after_endpoints_apis_loaded is not defined at HTMLInputElement.onclick" and when I changed it to a function call like "greetByName();" it says method not defined which makes me think that the javascript file isn't being recognized. I will share snippets of my code:
HTML:
<!DOCTYPE html>
<html>
<head>
<title>FLINDER</title>
<meta charset="UTF-8">
<script src="hello.js"></script>
<!-- Load the Google APIs Javascript client library -->
<!-- Then call the init function, which is defined in hello.js -->
<script src="https://apis.google.com/js/client.js?onload=init">
</script>
</head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<P><input id="input_greet_name" type="button" value="Please wait..."
onclick="will_be_set_after_endpoints_apis_loaded"></P>
JS File:
package com.google.training.helloworld;
//<script type="text/javascript"
src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js">
</script>
function init() {
// You need to pass the root path when you load your API
// otherwise calls to execute the API run into a problem
// rootpath will evaulate to either of these, depending on where the
app is running:
// //localhost:8080/_ah/api
// //your-app-id/_ah/api
var rootpath = "//" + window.location.host + "/_ah/api";
// Load the helloworldendpoints API
// If loading completes successfully, call loadCallback function
gapi.client.load('helloworldendpoints', 'v1', loadCallback, rootpath);
}
/*
* When helloworldendpoints API has loaded, this callback is called.
*
* We need to wait until the helloworldendpoints API has loaded to
* enable the actions for the buttons in index.html,
* because the buttons call functions in the helloworldendpoints API */
function loadCallback () {
// Enable the button actions
enableButtons ();
}
function enableButtons () {
// Set the onclick action for the first button
//btn = document.getElementById("input_greet_generically");
//btn.onclick= function(){greetGenerically();};
// Update the button label now that the button is active
//btn.value="Submit";
// Set the onclick action for the second button
btn = document.getElementById("input_greet_name");
btn.onclick= function(){greetByName();};
// Update the button label now that the button is active
btn.value="Submit";
}
function greetByName () {
var loc;
var sal;
var schoolTypes;
var request;
loc = document.getElementById("loc").value;
sal = document.getElementById("sal").value;
var temp = loc;
schoolTypes = document.getElementById("schoolTypes").value;
var temps = schoolTypes;
if(loc == "" || sal == "" || schoolTypes == "")
{
alert("Please enter all valid options");
request = gapi.client.helloworldendpoints.sayHello();
}
}

Related

Google Contacts to Dropdown List

I'm wondering if anyone can help with this. I am using the following code to pull my google contacts using OAuth and it's working fine so far, I get a response in the console log with XML from google that seems very complicated to read to be honest.
My end goal is to be able to populate a HTML form drop down list with the names of contacts from my address book, and attribute the phone number for that contact as a value for the chosen name.
Here's the code, please let me know if you have any ideas!
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
</head>
<body>
<script type="text/javascript">
var clientId = 'ID_HERE';
var apiKey = 'KEY_HERE';
var scopes = 'https://www.googleapis.com/auth/contacts.readonly';
$(document).on("click",".googleContactsButton", function(){
gapi.client.setApiKey(apiKey);
window.setTimeout(authorize);
});
function authorize() {
gapi.auth.authorize(
{
client_id: clientId,
scope: scopes,
immediate: false
},
handleAuthorization
);
}
function handleAuthorization(authorizationResult) {
if (authorizationResult && !authorizationResult.error) {
$.get(
"https://www.google.com/m8/feeds/contacts/default/thin?alt=json&access_token="
+ authorizationResult.access_token + "&max-results=500&v=3.0",
function(response){
//process the response here
console.log(response);
}
);
}
}
</script>
<script src="https://apis.google.com/js/client.js"></script>
<button class="googleContactsButton">Get my contacts</button>
</body>
</html>
EDIT
So, I've played around for a bit, and this is what I've got so far, which works fine, I get the results listed in as name on one line, then number on the next, then name, and so on..
Problems so far are as follows.
This only returns a limited number of contacts, I believe there's a limit on the response from the API which is 200 or something (I think), how would I go about having it display ALL the contacts that are there?
Also I'm still trying to get it to display in a select box format, allowing me to choose a name, and it would pass the number linked to that name to the form.
Any ideas?
<!DOCTYPE html>
<html>
<head>
<title>People API Quickstart</title>
<meta charset='utf-8' />
</head>
<body>
<p>People API Quickstart</p>
<!--Add buttons to initiate auth sequence and sign out-->
<button id="authorize-button" style="display: none;">Authorize</button>
<button id="signout-button" style="display: none;">Sign Out</button>
<pre id="content"></pre>
<script type="text/javascript">
// Client ID and API key from the Developer Console
var CLIENT_ID = 'CLIENT ID.apps.googleusercontent.com';
// Array of API discovery doc URLs for APIs used by the quickstart
var DISCOVERY_DOCS = ["https://www.googleapis.com/discovery/v1/apis/people/v1/rest"];
// Authorization scopes required by the API; multiple scopes can be
// included, separated by spaces.
var SCOPES = "https://www.googleapis.com/auth/contacts.readonly";
var authorizeButton = document.getElementById('authorize-button');
var signoutButton = document.getElementById('signout-button');
/**
* On load, called to load the auth2 library and API client library.
*/
function handleClientLoad() {
gapi.load('client:auth2', initClient);
}
/**
* Initializes the API client library and sets up sign-in state
* listeners.
*/
function initClient() {
gapi.client.init({
discoveryDocs: DISCOVERY_DOCS,
clientId: CLIENT_ID,
scope: SCOPES
}).then(function () {
// Listen for sign-in state changes.
gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);
// Handle the initial sign-in state.
updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
authorizeButton.onclick = handleAuthClick;
signoutButton.onclick = handleSignoutClick;
});
}
/**
* Called when the signed in status changes, to update the UI
* appropriately. After a sign-in, the API is called.
*/
function updateSigninStatus(isSignedIn) {
if (isSignedIn) {
authorizeButton.style.display = 'none';
signoutButton.style.display = 'block';
listConnectionNames();
} else {
authorizeButton.style.display = 'block';
signoutButton.style.display = 'none';
}
}
/**
* Sign in the user upon button click.
*/
function handleAuthClick(event) {
gapi.auth2.getAuthInstance().signIn();
}
/**
* Sign out the user upon button click.
*/
function handleSignoutClick(event) {
gapi.auth2.getAuthInstance().signOut();
}
/**
* Append a pre element to the body containing the given message
* as its text node. Used to display the results of the API call.
*
* #param {string} message Text to be placed in pre element.
*/
function appendPre(message) {
var pre = document.getElementById('content');
var textContent = document.createTextNode(message + '\n');
pre.appendChild(textContent);
}
/**
* Print the display name if available for 10 connections.
*/
function listConnectionNames() {
gapi.client.people.people.connections.list({
'resourceName': 'people/me',
'pageSize': 2000,
'personFields': 'names,phoneNumbers',
}).then(function(response) {
console.log(response)
var connections = response.result.connections;
appendPre('<select>');
if (connections.length > 0) {
for (i = 0; i < connections.length; i++) {
var person = connections[i];
if (person.names && person.names.length > 0) {
appendPre(person.names[0].displayName)
appendPre(person.phoneNumbers[0].value)
} else {
appendPre("No display name found for connection.");
}
}
} else {
appendPre('No upcoming events found.');
}
});
}
</script>
<script async defer src="https://apis.google.com/js/api.js"
onload="this.onload=function(){};handleClientLoad()"
onreadystatechange="if (this.readyState === 'complete') this.onload()">
</script>
</body>
</html>
Accessing the Contacts
When you receive the response, the contacts are located under response.feed.entry, which is an array of contacts. Let's save those under var contacts = response.feed.entry. And as an example for what follows, let's take the contact Jimmy : var jimmy = contacts[0].
You have several attributes that you can access, like :
Email : jimmy.gd$email[0].address. ( there can be more emails )
Name : jimmy.title.$t.
Phone : jimmy.gd$phoneNumber[0].$t.
Address : jimmy.gd$postalAddress[0].$t.
Last update made : jimmy.updated.$t.
Warning : If the field is not set, it will be undefined. You have to first verify that it exists, like so :
// Standard way
var name;
if (jimmy.title != undefined) name = jimmy.title.$t
else name = "?? well too bad ??";
// The ninja way
var name = jimmy.title ? jimmy.title.$t : null;
Also
Change your get url to https://www.google.com/m8/feeds/contacts/default/**full**/... as you will get more information on your contacts.
Populating a drop-down
For simplicity, you could use a <select> tag and insert the contacts as <option> tags in it. Else, you can also use libraries like bootstrap that has cool drop-downs menus.
If your code still doesn't work...
Try this code :
<html>
<head>
<script src="https://apis.google.com/js/client.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<script>
function auth() {
var config = {
'client_id': 'OAUTH_CLIENT_ID',
'scope': 'https://www.google.com/m8/feeds'
};
gapi.auth.authorize(config, function() {
fetch(gapi.auth.getToken());
});
}
function fetch(token) {
$.ajax({
url: 'https://www.google.com/m8/feeds/contacts/default/full?alt=json',
dataType: 'jsonp',
data: token
}).done(function(data) {
console.log(JSON.stringify(data));
});
}
</script>
</head>
<body>
<button onclick="auth();">GET CONTACTS FEED</button>
</body>
</html>
Source

YouTube API -- extracting title and videoId attributes to build hyperlink

The following is a JavaScript file that searches through YouTube video data using its API. Down at the bottom you'll see the onSearchResponse() function, which calls showResponse(), which in turn displays the search results.
As this code from Codecademy stands, a HUGE amount of information gets printed relating to my search term.
Instead of all that, can I simply display a hyperlink using the title and videoId attributes? How would I go about altering responseString in showResponse() to build that link? Thank you!
// Your use of the YouTube API must comply with the Terms of Service:
// https://developers.google.com/youtube/terms
// Helper function to display JavaScript value on HTML page.
function showResponse(response) {
var responseString = JSON.stringify(response, '', 2);
document.getElementById('response').innerHTML += responseString;
}
// Called automatically when JavaScript client library is loaded.
function onClientLoad() {
gapi.client.load('youtube', 'v3', onYouTubeApiLoad);
}
// Called automatically when YouTube API interface is loaded (see line 9).
function onYouTubeApiLoad() {
// This API key is intended for use only in this lesson.
// See link to get a key for your own applications.
gapi.client.setApiKey('AIzaSyCR5In4DZaTP6IEZQ0r1JceuvluJRzQNLE');
search();
}
function search() {
// Use the JavaScript client library to create a search.list() API call.
var request = gapi.client.youtube.search.list({
part: 'snippet',
q: 'clapton'
});
// Send the request to the API server,
// and invoke onSearchRepsonse() with the response.
request.execute(onSearchResponse);
}
// Called automatically with the response of the YouTube API request.
function onSearchResponse(response) {
showResponse(response);
console.log(response);
}
Here is the corresponding HTML file:
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="stylesheets/styles.css">
<meta charset="UTF-8">
<title>My YouTube API Demo</title>
</head>
<body>
<section>
<div id="response"></div>
</section>
<script src="javascripts/search-2.js"></script>
<script src="https://apis.google.com/js/client.js?onload=onClientLoad" type="text/javascript"></script>
</body>
</html>
Your advice is much appreciated!
I think it might be what you are exactly trying to do.
function showResponse(response) {
var html = response.items.map(itemToHtml);
document.getElementById('response').innerHTML += html;
}
function itemToHtml(item) {
var title = item.snippet.title;
var vid = item.id.videoId;
return generateHyperlink(title, vid);
}
function generateHyperlink(title, vid) {
return '' + title + '<br/>';
}
This code show up links named title having YouTube video link using videoId.

Why am I unable to get the contacts from my phone with Cordova's Contacts API?

I'm building a phone app with Phonegap well, actually with Steroids.js which is built on top of Phonegap. Right now, all I want to do is retrieve the list of contact names and numbers from my phone upon the launching of my app. I took a look at the Contacts api here and I thought I was using it correctly. Below is the script I have inside of my head tags. What have I done wrong?
<script src="http://localhost/cordova.js"></script>
<script src="components/steroids-js/steroids.js"></script>
<script src="javascripts/application.js"></script>
<script type="text/javascript" charset="utf-8">
// Wait for device API libraries to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// device APIs are available
//
function onDeviceReady() {
var options = new ContactFindOptions();
options.filter = "";
var fields = ["displayName", "name"];
navigator.contacts.find(fields, onSuccess, onError, options);
}
function onSuccess(contacts) {
alert('ons');
for (var i = 0; i < contacts.length; i++) {
//trying to display contacts in an alert message when I launch my app
alert("Display Name = " + contacts[i].displayName);
}
}
// onError: Failed to get the contacts
function onError(contactError) {
alert('onError!');
}
</script>
In your above code your cordova.js file is misplaced somewhere.
like
<script src="http://localhost/cordova.js"></script>
You need to copy that cordova.js file into assest/www/ folder (like assest/www/cordova.js)
so it becomes like below in your html file
<script src="cordova.js"></script>

could not open db , $ is not defined, Failed to load jquery

The error is that the db could not be opened and $ not defined, failed to load resources(j query).The code aims at receiving the input field values(date,cal) and storing them into the database using indexedDB
<!DOCTYPE html>
<html manifest="manifest.webapp" lang="en">
<head>
<meta charset="utf-8">
<title>Diab</title>
<link rel="stylesheet" href="diab.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0/jquery.min.js"></script>
<script type="text/javascript" src="diab1.js"></script>
</head>
<body>
<input type="date" id="date">Date</input>
<input type="number" id="cal">Cal</input>
<button id="add" >Add</button>
</body>
</html>
(function()
{ var db;
var openDb=function()
{
var request=indexedDB.open("diabetore");
request.onsuccess = function()
{
console.log("DB created succcessfully");
db = request.result;
console.log("openDB done!!");
};
request.onerror=function(){
alert("could not open db");
};
request.onupgradeneeded = function()
{
console.log("openDB.onupgradeneeded function");
var store = db.createObjectStore("diab", {keyPath: "date"});
var dateIndex = store.createIndex("date", "date",{unique: true});
// Populate with initial data.
store.put({date: "june 1 2013",cal:70});
store.put({date: "june 2 2013",cal:71});
store.put({date: "june 3 2013",cal:72});
store.put({date: "june 8 2013",cal:73});
};
};
function getObjectStore(store_name,mode)
{
var tx=db.transaction(store_name,mode);
return tx.objectStore(store_name);
}
function addItems(date,cal)
{
console.log("addition to db started");
var obj={date:date,cal:cal};
var store=getObjectStore("diab",'readwrite');
var req;
try
{
req=store.add(obj);
}catch(e)
{
if(e.name=='DataCloneError')
alert("This engine doesn't know how to clone");
throw(e);
}
req.onsuccess=function(evt)
{
console.log("****Insertion in DB successful!!****");
};
req.onerror=function(evt)
{
console.log("Could not insert into DB");
};
}
function addEventListners()
{
console.log("addEventListeners called...");
$('#add').click(function(evt){
console.log("add...");
var date=$('#date').val();
var cal=$('#cal').val();
if(!date || !cal)
{
alert("required field missing..");
return;
}
addItems(date,cal);
});
}
openDb();
addEventListners();
})();
Regarding the problem of not being able to see the db created, when you open the database you should pass another parameter with the version of the database, like:
var request=indexedDB.open("diabetore",1);
To see the DB structure on the Resources tab of Chrome Developer Tools, sometimes you must refresh the page.
You will also have a problem with your addEventListners() function since your anonymous function is run before the browser reads the HTML content so the browser doesn't not know about the '#add' element, so the click event handler for that element is not created.
You should put your code inside "$(function() {" or "$(document).ready(function() {":
$(function() {
(function() {
var db;
var openDb=function() {
You should test the script URL in your browser. Then you'd realize that the script doesn't exist.
You need to change 2.0 to 2.0.0 for example.
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>

Javascript using Phonegap Global Arrays not Working

I am creating a phonegap app to fetch contacts and save them in the database. I have created two empty global arrays at the top that will save the phone number and display name of a person which will be later stored in a database table. To check that the contacts are successfully saved in the array, I have created a test_data() function.
Now my problem is that the test_data() code is not working and no values are displayed in the log. Now if I move that code from test_data() function to onSuccess() it works fine. Here is the code. Isn't it the proper way to declare global a array in JS.
<!DOCTYPE html>
<html>
<head>
<title>Contact Example</title>
<script type="text/javascript" charset="utf-8" src="cordova-1.7.0.js"></script>
<script type="text/javascript" charset="utf-8">
var gcont = []; var gphon = [];
// Wait for Cordova to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// Cordova is ready
//
function onDeviceReady() {
// find all contacts with 'Bob' in any name field
var options = new ContactFindOptions();
options.filter="";
options.multiple=true;
var fields = ["displayName", "phoneNumbers"];
navigator.contacts.find(fields, onSuccess, onError, options);
test_data();
}
// onSuccess: Get a snapshot of the current contacts
//
function onSuccess(contacts) {
for(var index=0;index<contacts.length;index++){
gcont[index] = contacts[index].displayName;
gphon[index] = contacts[index].phoneNumbers[0].value;
}
}
function test_data(){
for (z=0;z<gcont.length;z++){
console.log(gcont[z]);}
}
// onError: Failed to get the contacts
//
function onError(contactError) {
alert('Error With Contacts!');
}
</script>
</head>
<body>
<h1>Example</h1>
<p>Find Contacts</p>
</body>
</html>
The call to test_data() doesn't work in onDeviceReady() because the onSuccess callback to contacts.find is asynchronous and the arrays have not been populated when test_data() is executed.

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