android-js-engine

android javascript interface, support V8, JSC and Hermes.

How to run

1. install js engine npm package

npm install

2. build and run demo app

./gradlew :demo:installDebug

Features

• general javascript interface, support different js engine:V8, JSC and Hermes

// hermes
bridge.initialize(new HermesRuntime());
// jsc
// bridge.initialize(new JSCRuntime());
// v8
// bridge.initialize(new V8Runtime());

• load string js code

  String js = readJSFromAssets();
  bridge.loadScriptFromString(js);

• load assets js file

  bridge.loadScriptFromAssets(getAssets(), "assets://app.js");

• call js function sync

  List<Object> args = new ArrayList<>();
  args.add("arg1");
  args.add("arg2");
  Object result = bridge.callJSFunctionSync("myfunctionSync", args);
  if (result instanceof Map) {
     Log.d(TAG, ((Map) result).keySet().toString());
  }

• call js function async

    List<String> args = new ArrayList<>();
    args.add("1");
    args.add("2");
    bridge.callJSFunction("myfunction", args, new JSCallback() {
          @Override
          public void invoke(Object object) {
                if (object instanceof String) {
                    Log.d(TAG, object.toString());
                 } else if (object instanceof Map) {
                    Log.d(TAG, ((Map) object).keySet().toString());
                 }
             }
     });

Demo snapshot