IllegalStateExceptioncom.swmansion.gesturehandler.GestureHandler in prepare

Hello,

I’m facing some random crash in production on Android. Log give me that:

java.lang.IllegalStateException: Already prepared or hasn't been reset
    at com.swmansion.gesturehandler.GestureHandler.prepare(GestureHandler.java:178)
    at com.swmansion.gesturehandler.GestureHandlerOrchestrator.recordHandlerIfNotPresent(GestureHandlerOrchestrator.java:379)
    at com.swmansion.gesturehandler.GestureHandlerOrchestrator.recordViewHandlersForPointer(GestureHandlerOrchestrator.java:389)
    at com.swmansion.gesturehandler.GestureHandlerOrchestrator.traverseWithPointerEvents(GestureHandlerOrchestrator.java:466)
    at com.swmansion.gesturehandler.GestureHandlerOrchestrator.extractGestureHandlers(GestureHandlerOrchestrator.java:403)
    at com.swmansion.gesturehandler.GestureHandlerOrchestrator.onTouchEvent(GestureHandlerOrchestrator.java:97)
    at com.swmansion.gesturehandler.react.RNGestureHandlerRootHelper.dispatchTouchEvent(RNGestureHandlerRootHelper.java:121)
    at com.swmansion.gesturehandler.react.RNGestureHandlerRootView.dispatchTouchEvent(RNGestureHandlerRootView.java:36)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at com.swmansion.gesturehandler.react.RNGestureHandlerEnabledRootView.dispatchTouchEvent(RNGestureHandlerEnabledRootView.java:34)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3222)
    at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2845)
    at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:697)
    at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1879)
    at android.app.Activity.dispatchTouchEvent(Activity.java:3487)
    at androidx.appcompat.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:69)
    at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:655)
    at android.view.View.dispatchPointerEvent(View.java:13732)
    at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:6119)
    at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5897)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5346)
    at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5399)
    at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5365)
    at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5524)
    at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5373)
    at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5581)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5346)
    at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5399)
    at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5365)
    at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5373)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5346)
    at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:8408)
    at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:8341)
    at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:8294)
    at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:8523)
    at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:198)
    at android.os.MessageQueue.nativePollOnce(MessageQueue.java)
    at android.os.MessageQueue.next(MessageQueue.java:326)
    at android.os.Looper.loop(Looper.java:181)
    at android.app.ActivityThread.main(ActivityThread.java:7037)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965) 

and when I reload my Android Emulator Device, I have:

my index.js:

import { AppRegistry, StatusBar, YellowBox } from 'react-native';
import { name as appName } from './app.json';
import App from './src/App';

StatusBar.setHidden(true);
YellowBox.ignoreWarnings(['-[RCTRootView cancelTouches]` is deprecated and will be deleted soon.']);
AppRegistry.registerComponent(appName, () => App);

my App.js:

import React from 'react';
import { gestureHandlerRootHOC } from 'react-native-gesture-handler';
...
export default gestureHandlerRootHOC(App);

My environment:

  npmPackages:
    react: 16.9.0
    react-native:  0.61.4
    react-native-gesture-handler:  ^1.5.0

If someone can help me to avoid this crash and the error message when I reload that can be really nice.

Regards, Youcef EL KAMEL

[yelkamel]

@furedal After some test and look, I find a solution:

I wrote that in my index.js

import 'react-native-gesture-handler';
...
if (Platform.OS === 'android') {
  const { UIManager } = NativeModules;
  if (UIManager) {
    // Add gesture specific events to genericDirectEventTypes object
    // exported from UIManager native module.
    // Once new event types are registered with react it is possible
    // to dispatch these events to all kind of native views.
    UIManager.genericDirectEventTypes = {
      ...UIManager.genericDirectEventTypes,
      onGestureHandlerEvent: { registrationName: 'onGestureHandlerEvent' },
      onGestureHandlerStateChange: {
        registrationName: 'onGestureHandlerStateChange',
      },
    };
  }
}

and remove I remove the gestureHandlerRootHOC()

that issue help me: https://github.com/kmagiera/react-native-gesture-handler/issues/320

I check I have no regression on iOS, it seem like gestureHandlerRootHOC() is not mandatory

[jakub-gonet]

This issue was not active for some time so I’m closing it. If you need further help please reply.