PairDrop/mobile-chrome-apps.md at e2a1650ce5d43f04105e3b91ba05807d158e191e

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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 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 below to better understand.

To download and preparation, follow this guide of Share With Me. 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.

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.

└── 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

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.
```
var DIST = 'platform/www/app';
```

Change the path in platform/www/background.js into new path

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.
```
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. You should replace current vulcanize task with new task below. To do this install polybuild first with npm install --save-dev polybuild command

// 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.
```
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.
```
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.

gulp && cd platform && cca run chrome

or to run on Android emulator or devices

gulp && cd platform && cca run android

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Use Share With Me for Mobile Chrome Apps