snaptea's Introduction

SnapTea

A SnapKit adapter to support running apps in the browser using TeaVM.

Check out this video demo of the Quickest way to Java in the Browser.

This project is a SnapKit adapter to use TeaVM to build SnapKit apps in JavaScript. To build SnapKit apps in SnapCode:

Clone this project in the SnapCode directory of your home directory
Create a new project and add SnapTea as a dependent project in project settings
Call snaptea.TV.set() in your main method (before anything else)

Then when you double-click on a .java file with a main method including TV.set(), it will:

Build a bin/tea directory in your bin directory with index.html, classes.js and runtime.js
Open the index.html in the platform browser

And that's it - You should see your Java desktop app in the browser!

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snaptea's Issues

UnsatisfiedLinkError

I'm trying to set up a simple helloworld example to see how snapkit works using teavm to show the UI in the browser. This is the class I created as example:

public class App extends ViewOwner {

    static {
        System.setProperty("os.name", "TeaVM");
        snaptea.TV.set();
    }

    public View createUI()  { return new Label("Hello World"); }

    public static void main(String[] args) {
        //System.setProperty("os.name", "TeaVM");
        //TV.set();
        new App().setWindowVisible(true);
    }

}

And within gradle I have included the following dependcies for TeaVM:

    implementation group: 'org.teavm', name: 'teavm-cli', version: "$teavmVersion"
    implementation "org.teavm:teavm-classlib:$teavmVersion"
    implementation group: 'org.teavm', name: 'teavm-jso', version: "$teavmVersion"
    implementation group: 'org.teavm', name: 'teavm-jso-apis', version: "$teavmVersion"

When I start the main method I get the following exception:

Exception in thread "main" java.lang.UnsatisfiedLinkError: 'org.teavm.jso.browser.Window org.teavm.jso.browser.Window.current()'
	at org.teavm.jso.browser.Window.current(Native Method)
	at org.teavm.jso.dom.html.HTMLDocument.current(HTMLDocument.java:55)
	at snaptea.TVViewEnv.getScriptRoots(TVViewEnv.java:125)
	at snaptea.TVViewEnv.getScriptRoot(TVViewEnv.java:149)
	at snaptea.TVViewEnv.set(TVViewEnv.java:180)
	at snaptea.TV.set(TV.java:223)

I'm running the application on a MAC1.

Any clue what could be wrong?

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