PairDrop/docs/mobile-chrome-apps.md
2015-12-18 17:09:04 +01:00

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# Use Share With Me for [Mobile Chrome Apps](https://github.com/MobileChromeApps/mobile-chrome-apps)
## Getting started
Share With Me could be fully adapted to Mobile Chrome Apps through mobile-friendly features. Mobile Chrome Apps, is based on Apache Cordova, and requires mobile application SDKs such as Android and iOS. so please make sure that installation development tool by following [installation guide](https://github.com/MobileChromeApps/mobile-chrome-apps/blob/master/docs/Installation.md) of Mobile Chrome Apps. And then, You do some further steps to resolve some of restrictions and configurations to use Share With Me on Cordova. Looking for a [guide video](https://www.youtube.com/watch?v=-ifgyobPLVg) below to better understand.
[![](https://camo.githubusercontent.com/7c498c4d60113dd1ea072576df897283100428b6/687474703a2f2f696d672e796f75747562652e636f6d2f76692f2d696667796f62504c56672f302e6a7067)](https://www.youtube.com/watch?v=-ifgyobPLVg)
## Download Share With Me into your workspace
To download and preparation, follow this [guide of Share With Me](https://github.com/PolymerElements/polymer-starter-kit#getting-started). Make sure that install all of dependencies of npm and Bower.
## Create a Cordova project
Create a Cordova project in path `polymer-starter-kit` by following command. `platform` is the path for Cordova project files, `com.your.app` is the project name/id and next following string is the description for your app.
```sh
cca create platform com.your.app "Your Share With Me App"
```
If you have no problems while creating a project you will seeing the message of installing successful coming from Cordova and have the tree of the project below.
```sh
└── polymer-starter-kit
└── app
│   ├── elements
│   ├── images
│   ├── index.html
│   ├── manifest.json
│   ├── scripts
│   ├── styles
│   └── test
├── bower.json
├── bower_components
├── docs
├── gulpfile.js
├── node_modules
├── package.json
├── platform
│   ├── config.xml
│   ├── hooks
│   ├── platforms
│   ├── plugins
│   └── www
```
For further informations of Cordova, please visit [corodova document](https://github.com/MobileChromeApps/mobile-chrome-apps/tree/master/docs)
## Configuration
You need to have some changes of configuration to fit for Mobile Chrome Apps as it was mentioned above.
### Configure path for app built by gulp
- Change the path `dist` in `gulpfile.js` from `dist` to `platform/www/app`, then the app built with Share With Me will be placed under `platform/www` will be used by Cordova.
```js
var DIST = 'platform/www/app';
```
- Change the path in `platform/www/background.js` into new path
```js
chrome.app.runtime.onLaunched.addListener(function() {
chrome.app.window.create('app/index.html', {
width: 244,
height: 380,
});
});
```
- Add path `/app` to `app.baseURL` in `app/scripts/app.js'. `platform/www` is root path of app that will prevent errors coming from page routing.
```js
app.baseUrl = '/app';
```
### Update gulp tasks
- Using `polybuild(vulcanize + crisper)` task is mandatory because of Chrome Apps doesn't allow inline script blocks according to [CSP](https://developer.chrome.com/apps/contentSecurityPolicy). You should replace current `vulcanize` task with new task below. To do this install `polybuild` first with `npm install --save-dev polybuild` command
```js
// load polybuild
var polybuild = require('polybuild');
// Vulcanize granular configuration
gulp.task('vulcanize', function() {
return gulp.src('app/elements/elements.html')
.pipe(polybuild({maximumCrush: true}))
.pipe($.rename(function(file) {
if (file.extname === '.html') {
file.basename = file.basename.replace('.build', '');
}
}))
.pipe(gulp.dest(dist('elements')))
.pipe($.size({title: 'vulcanize'}));
});
```
### More updates
- Remove useless files generated from Cordova.
```sh
rm platform/www/index.*
```
- To complete first route for `home` you need to put try/catch block into the first route code on starting app, in `app/elements/routing.html`, because Chrome Apps doesn't allow using `history` APIs which related to error message `history.pushState/replaceState is not available in packaged apps`.
```js
try {
page({
hashbang: true
});
} catch (e) {
app.route = 'home';
}
```
- Using `@import` instead of `link` to download external Google robot fonts which is related to `Refused to load the stylesheet` errors. Update code in `bower_components/font-roboto/roboto.html` to using `@import` code below
```
@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,300italic,400italic,500,500italic,700,700italic);
@import url(https://fonts.googleapis.com/css?family=Roboto+Mono:400,700);
```
## Build and run app
After done of above steps. run this command on root path that let you see Chrome Apps built with Share With Me.
```sh
gulp && cd platform && cca run chrome
```
or to run on Android emulator or devices
```sh
gulp && cd platform && cca run android
```