- Progressively
Becoming Apps,
building in as
Progressive
Enhancement
Alex Russell - Progressive Web Apps: Escaping Tabs Without Losing Our Soul
Slide 4
Slide 4 text
- Progressively
Becoming Apps,
building in as
Progressive
Enhancement
Alex Russell - Progressive Web Apps: Escaping Tabs Without Losing Our Soul
Slide 5
Slide 5 text
- The site begins
life as a regular
tab. It doesn’t
have super-
powers
- The site begins
life as a regular
tab. It doesn’t
have super-
powers
Slide 6
Slide 6 text
But it is but using
Progressive App features
- Security
- Responsive
Design
Slide 7
Slide 7 text
But it is but using
Progressive App features
- Offline
experience
Slide 8
Slide 8 text
But it is but using
Progressive App features
- Re-engaging by
push notification
Slide 9
Slide 9 text
The second (or third or
fourth) time one visits the
site
- prompt is
shown by the
browser
- Add to home
screen
Users can decide to keep
apps to
- the home
screen or app
launcher
- Splash screen
- Instant loading
Slide 10
Slide 10 text
When launched from the
home screen, these apps
blend into their
environment
- top-level
- full-screen
Slide 11
Slide 11 text
Progressive
Web
App
@ Google I/O 2016
Slide 12
Slide 12 text
+JimmyMoon
@ragingwind
Google Developer Expert
KOSSLab
Slide 13
Slide 13 text
No content
Slide 14
Slide 14 text
No content
Slide 15
Slide 15 text
No content
Slide 16
Slide 16 text
No content
Slide 17
Slide 17 text
No content
Slide 18
Slide 18 text
No content
Slide 19
Slide 19 text
No content
Slide 20
Slide 20 text
No content
Slide 21
Slide 21 text
No content
Slide 22
Slide 22 text
No content
Slide 23
Slide 23 text
No content
Slide 24
Slide 24 text
“How do you build a great (progressive) web
app on the mobile … ?
> Our answer is to”
Slide 25
Slide 25 text
http://goo.gl/xU2MMu
Slide 26
Slide 26 text
Use the Platform
to build create apps
- Minimal payload &
overhead
- Minimal time to first
interaction
- Offline-first
Slide 27
Slide 27 text
No content
Slide 28
Slide 28 text
No content
Slide 29
Slide 29 text
Using Custom Elements with Platform power for App shell architecture
Pages are Web Components
- Service Worker
- Push notification
- Geolocation and
More Platform APIs
- HTTP/2
- Firebase hosting
- Brotli
HTTPS
Slide 33
Slide 33 text
No content
Slide 34
Slide 34 text
No content
Slide 35
Slide 35 text
No content
Slide 36
Slide 36 text
No content
Slide 37
Slide 37 text
Our tools become part of our deploy process,
but not part of our development process
Slide 38
Slide 38 text
Use the Platform
to build create apps
- Minimal payload &
overhead
- Minimal time to
first interaction
- Offline-first
Slide 39
Slide 39 text
- Very fast first
loading
experience
- Cached shell
load instantly
- Running on RAIL
App shell
architecture
Slide 40
Slide 40 text
No content
Slide 41
Slide 41 text
No content
Slide 42
Slide 42 text
Three components for App shell. Using transform, rAF and … layout once
FLIP animations
Slide 43
Slide 43 text
Devtools Time
Timeline: https://googlechrome.github.io/ui-element-
samples/expand-collapse/
Slide 44
Slide 44 text
Using Polymer’s for App shell architecture
Slide 45
Slide 45 text
No content
Slide 46
Slide 46 text
No content
Slide 47
Slide 47 text
No content
Slide 48
Slide 48 text
No content
Slide 49
Slide 49 text
No content
Slide 50
Slide 50 text
No content
Slide 51
Slide 51 text
Service Worker
- Born to kill the offline-
dinosaur
- Javascript running in
background
- Full programmatic control
of network and cache
- IndexedDB
- Plugins
https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API/Using_Service_Workers
Devtools Time
Service Worker: https://airhorner.com/
Slide 65
Slide 65 text
Use the Platform
to build create apps
- Minimal payload &
overhead
- Minimal time to first
interaction
- Offline-first
Slide 66
Slide 66 text
Handling Offline
Slide 67
Slide 67 text
No content
Slide 68
Slide 68 text
No content
Slide 69
Slide 69 text
No content
Slide 70
Slide 70 text
Cache
Slide 71
Slide 71 text
No content
Slide 72
Slide 72 text
No content
Slide 73
Slide 73 text
No content
Slide 74
Slide 74 text
Devtools Time
Cache: https://jakearchibald-gcm.appspot.com/
Slide 75
Slide 75 text
Installable App
launch from home screen
splash screen
Slide 76
Slide 76 text
No content
Slide 77
Slide 77 text
No content
Slide 78
Slide 78 text
No content
Slide 79
Slide 79 text
No content
Slide 80
Slide 80 text
No content
Slide 81
Slide 81 text
No content
Slide 82
Slide 82 text
No content
Slide 83
Slide 83 text
No content
Slide 84
Slide 84 text
No content
Slide 85
Slide 85 text
http://app-manifest.firebaseapp.com/
Slide 86
Slide 86 text
$ npm install -g pwa-manifest
Slide 87
Slide 87 text
Devtools Time
Web Manifest: https://airhorner.com/
Slide 88
Slide 88 text
Storage
Slide 89
Slide 89 text
No content
Slide 90
Slide 90 text
IndexedDB
It’s the worst API ever designed in the history of computer science.
Slide 91
Slide 91 text
No content
Slide 92
Slide 92 text
No content
Slide 93
Slide 93 text
It was a challenge. Wrap IndexedDB, Stash IDB first, try to write it to
firebase and then remove that stashed data
Stashing IndexedDB and Pushing Firebase
Slide 94
Slide 94 text
No content
Slide 95
Slide 95 text
No content
Slide 96
Slide 96 text
Devtools Time
IndexedDB: https://jakearchibald-gcm.appspot.com/
Slide 97
Slide 97 text
Sync
Slide 98
Slide 98 text
No content
Slide 99
Slide 99 text
No content
Slide 100
Slide 100 text
Web Push
for Push notification
Slide 101
Slide 101 text
No content
Slide 102
Slide 102 text
No content
Slide 103
Slide 103 text
No content
Slide 104
Slide 104 text
No content
Slide 105
Slide 105 text
No content
Slide 106
Slide 106 text
No content
Slide 107
Slide 107 text
No content
Slide 108
Slide 108 text
No content
Slide 109
Slide 109 text
No content
Slide 110
Slide 110 text
No content
Slide 111
Slide 111 text
No content
Slide 112
Slide 112 text
No content
Slide 113
Slide 113 text
No content
Slide 114
Slide 114 text
No content
Slide 115
Slide 115 text
No content
Slide 116
Slide 116 text
No content
Slide 117
Slide 117 text
No content
Slide 118
Slide 118 text
No content
Slide 119
Slide 119 text
No content
Slide 120
Slide 120 text
No content
Slide 121
Slide 121 text
No content
Slide 122
Slide 122 text
No content
Slide 123
Slide 123 text
No content
Slide 124
Slide 124 text
No content
Slide 125
Slide 125 text
https://github.com/gauntface/simple-push-demo
Slide 126
Slide 126 text
Pushing for engaging
on Progressive Web Apps
Slide 127
Slide 127 text
No content
Slide 128
Slide 128 text
No content
Slide 129
Slide 129 text
No content
Slide 130
Slide 130 text
No content
Slide 131
Slide 131 text
No content
Slide 132
Slide 132 text
Next
• All screenshots and video clips come from Google IO
2016 Videos for Progressive Web App
• Google I/O 2016 Codelabs
• Progressive Web App Dev Summit 2016
• Progressive Web App on Google developers site
• GDG Meetup
• Join GDG slack channel #progressive-webapp