react native Callback

Question

I am trying to pass callback func to my android native view but i get error. Can I pass callback to view as props or it is only available as invoking react method?

Here is my code:

Package.java

public class RMTGesturePackage implements ReactPackage {

@Override
public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
    return Collections.emptyList();
}

@Override
public List<Class<? extends JavaScriptModule>> createJSModules() {
    return Collections.emptyList();
}

@Override
public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
    return Arrays.<ViewManager>asList(
        new RMTGestureManager());
}

RMTGestureManager.java

   @ReactProp(name="onChangeCallback")
    public void onChange(RMTGlSurfaceView rmtGlSurfaceView, final      Callback onChangeCallback) {

}

NativeGesture.js

<NativeRMTGesture onChangeCallback={function(){}}/>

react-native run-android pass without error but on emulator i am getting "Unrecognized type: interface com.facebook.bridge.Callback for method : com.rmtgesture.RMTGestureManager#onChange"

Possible duplicate - stackoverflow.com/questions/33325595/… — ChrisF
– ChrisF, Commented Jan 19, 2017 at 21:22
github.com/amalChandran/ReactNative_Android_integration for examples related to callbacks. — amalBit
– amalBit, Commented Apr 4, 2017 at 9:23

user2266462 · Accepted Answer · 2017-01-04 08:05:55Z

4

Yes, currently they don't support callbacks in ReactProp annotated methods ReactProp.java

Use events instead! Example: ReactSwitchManager.java

answered Jan 4, 2017 at 8:05

user2266462

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1 Comment

Hoffmann Over a year ago

Really? How is this not yet supported? Seems like such a basic feature

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