tips and tricks

#ParisJS 9

Paul Panserrieu

@42loops

Or

Why you should hate Android...

loadTroll();

The PhoneGap movement...

( Jonathan Stark: jQTouch maintainer )

Workflow

Xcode Workflow

xcode

Xcode Workflow

Xcode 3: Build ( ⌘ B ) Stop ( ⌘ ⇧ ↵ ) Clean ( ⌘ ⇧ K )

Xcode 4: Build ( ⌘ R ) Stop ( ⌘ .) Clean ( ⌘ ⇧ K )

Android Workflow

noeclipsenosim

$>> adb devices

$>> adb logcat

$>> ant debug install

LocalStorage

Persistent over updates

but limited in size... (5MB on iOS)

LocalStorage

var store = window.localStorage;

store.setItem("hello", JSON.stringify({
    name : "toto",
    age : 25
}));

// ...

var hello = JSON.parse(store.getItem("hello"));

LocalStorage

twitterJSON

Connectivity ???

If you use

window.location = "http://mobile.site.com";

you have already failed

what's toDataURL for?

todataurl

Debugging

console.log

Debugging

try catch everything

try {
    // ...
} catch(err) {
    console.log(
        'Error at line ' +
        error.line +
        " in " +
        error.sourceURL +
        ' : ' +
        error.message
    ); 
}