Refactor the native interface in preparation for switching iOS to use WKWebview.
* Finally rename the folder for device specific interfaces as `tablet` instead of `iPad`
* Update `import` statements to use the new name
* Create new `iOS.js` and `Android.js` based on previous `iPad/iOS.js` to separate the interfaces
* Add new `OS.js` class to manage the class variables, initialize the device interface delegate methods to the correct interface.
* refactor how `utils/lib` detects the current platform based on `navigtor.userAgent` based on https://stackoverflow.com/questions/37591279/detect-if-user-is-using-webview-for-android-ios-or-a-regular-browser. previous method relied on the Android interface being loaded or not. It can be difficult to detect the difference between in a browser and in a webview, but for now ScratchJr doesn’t need to worry about running in a browser
Fixes#217
Testing:
- verify still works on Android
- check anywhere that could scroll:
- character or backdrop library
- projects in lobby
- help documentation
- blocks pallette
-
On some newer android devices the screen tranform matrix already includes the current scale. i.e. the matrix looks like:
```
{
a: scaleX,
b: 0,
c: 0,
d: scaleY,
e: offsetX,
f: offsetY
}
```
where both `scaleX`, and `scaleY` are the current zoom. On other devices the scale is always `1`, and we need to apply our own scaling.
I also added the code to automatically allow webview debgging if the buildType is debuggable. Also, note that you can switch which line is commented out in bundle-compile.sh to get unobfuscated javascript.
There was only one paint editor event and it only distig,nuished between character or background. This change distinguishes between editing a background from the library vs user-created. For characters it distinguishes between new and edit, and between library assets or user-created.
* Pass value `0` for email analytics event (everything was being reported as airdrop even when it was email)
* Use `id` for assets (corresponds to the asset file name, e.g. Star.svg) instead of `fieldname` which is localized.
* Remove ScratchJrApplication class - it was only being used to initialize the old Google Analytics.
* Change AppUsage (home, school, other, noanswer) from being a prefix on `label` to being a Firebase user property.
* Set the user property when loading the index page - it shouldn’t change for the rest of the session.
In ../src/editor/ui/UI.js there's a random hardcoded value of 136 that helps determine the scale of fullscreen mode. Not sure what this number represents but it should be a variable.
Added:
- German
- Japanese
- Portuguese
- Swedish
- Chinese (China)
Needed to modify Localization utilities to handle China locale in additional to language.
* Adds a usage cookie
* Only asks for usage on first launch
* will need checking with the official version to make sure the right elements are showing/hiding.
We know that projects with lots of (large) sounds tend to crash ScratchJr. Hopefully reducing the size of the sounds will help to reduce the number of crashes.
In the current system you can’t have the same sound playing more than once at the same time - this is how it was implemented on Android, so we used the same restriction on iOS.
However in the previous version if you interrupted the sound to play it again, it continued from where it was instead of starting over. So it didn’t appear to do anything. Added resetting the current time to 0.0 on play to restart sounds.
