niraj-shah

if ( strstr( $_SERVER['HTTP_USER_AGENT'], 'facebookexternalhit' ) {
  // show OpenGraph headers for page
} else {
  // Password protected page / login page
}

niraj-shah

# run the adb shell
adb shell
 
# basic recording from shell
screenrecord --verbose /sdcard/nexus5.mp4
# press Ctrl-C to stop
 
# recording for 30 seconds
screenrecord --verbose --time-limit 30 /sdcard/nexus5.mp4
 

niraj-shah

<script type="text/javascript">
function addToPage() {
	var obj = {
		method: 'pagetab',
		redirect_uri: '[redirect_url]',
	};
	
	FB.ui(obj);
}
</script>

niraj-shah

FB.Canvas.getPageInfo( function(info) {
  console.log(info);
});

niraj-shah

<!-- anchor example -->
<a href="#" onclick="FB.Canvas.scrollTo( 0, 500 );">Click here to enter</a>

<!-- anchor with jQuery dynamic placement example -->
<a href="#" onclick="FB.Canvas.scrollTo( 0, $('.enter-btn').offset().top );">Click here to enter</a>

<!-- page load example -->
<script type="text/javascript">
  window.fbAsyncInit = function() {
    FB.init({

niraj-shah

html, body {
  width: 810px;
  overflow: hidden;
}

niraj-shah

window.fbAsyncInit = function() {
  FB.init({
    appId      : 'xxx', // App ID
    channelUrl : 'channel.html', // Channel File
    status     : true, // check login status
    cookie     : true, // enable cookies to allow the server to access the session
    xfbml      : true  // parse XFBML
  });

  // Remove those pesky scrollbars

niraj-shah

<div class="well">
  <button
    class="g-interactivepost btn btn-info"
    data-contenturl="https://play.google.com/store/apps/details?id=com.cagecricket.app"
    data-contentdeeplinkid=""
    data-clientid="xxxxx.apps.googleusercontent.com"
    data-cookiepolicy="single_host_origin"
    data-prefilltext="Download the Cage Cricket application and easily record your scores for this great urban-friendly version of Cricket."
    data-calltoactionlabel="INSTALL_APP"
    data-calltoactionurl="https://play.google.com/store/apps/details?id=com.cagecricket.app"

niraj-shah

<?php

$appId = 'aaaaaaaaaaaa';
$appSecret = 'bbbbbbbbbbbb';

// init facebook
$facebook = new Facebook( array( 'appId' => $appId, 'secret' => $appSecret ) );

// get user_id, 0 if not logged in
$user = $facebook->getUser();

niraj-shah

<?php

$sr = $facebook->getSignedRequest();

// check if the page has been liked
if ( !isset( $sr ) || !isset( $sr['page']['liked'] ) || $sr['page']['liked'] != true ) {
    // likegate
    header( 'Location: likegate.php' );
} else {
    // regular content