Add onNativeTouchEnd event (Android finger-lift from WebView MotionEvent stream)

android/src/main/java/com/reactnativecommunity/webview/RNCWebView.java

@@ -40,6 +40,7 @@
 import com.facebook.react.views.scroll.ScrollEventType;
 import com.reactnativecommunity.webview.events.TopCustomMenuSelectionEvent;
 import com.reactnativecommunity.webview.events.TopMessageEvent;
+import com.reactnativecommunity.webview.events.TopNativeTouchEndEvent;
 
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -130,6 +131,39 @@ public boolean onTouchEvent(MotionEvent event) {
         return super.onTouchEvent(event);
     }
 
+    /**
+     * Observe-only hook into the WebView's own MotionEvent stream. On a terminal action
+     * (UP / POINTER_UP / CANCEL) we emit {@code onNativeTouchEnd} so JS can detect a finger
+     * lift even when Chromium's native text-selection controller has seized the gesture and
+     * suppressed the usual RN/DOM release signals. Always returns super — no behavior change.
+     */
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent event) {
+        String action = null;
+        switch (event.getActionMasked()) {
+            case MotionEvent.ACTION_UP:
+                action = "up";
+                break;
+            case MotionEvent.ACTION_CANCEL:
+                action = "cancel";
+                break;
+            case MotionEvent.ACTION_POINTER_UP:
+                action = "pointerUp";
+                break;
+            default:
+                break;
+        }
+        if (action != null) {
+            WritableMap data = Arguments.createMap();
+            data.putString("action", action);
+            data.putInt("pointerCount", event.getPointerCount());
+            data.putDouble("x", event.getX());
+            data.putDouble("y", event.getY());
+            dispatchEvent(this, new TopNativeTouchEndEvent(RNCWebViewWrapper.getReactTagFromWebView(this), data));
+        }
+        return super.dispatchTouchEvent(event);
+    }
+
     @Override
     protected void onSizeChanged(int w, int h, int ow, int oh) {
         super.onSizeChanged(w, h, ow, oh);

android/src/main/java/com/reactnativecommunity/webview/events/TopNativeTouchEndEvent.kt

@@ -0,0 +1,26 @@
+package com.reactnativecommunity.webview.events
+
+import com.facebook.react.bridge.WritableMap
+import com.facebook.react.uimanager.events.Event
+import com.facebook.react.uimanager.events.RCTEventEmitter
+
+/**
+ * Event emitted from the WebView's own MotionEvent stream when a gesture ends
+ * (ACTION_UP / ACTION_POINTER_UP / ACTION_CANCEL). Unlike the RN touch responder,
+ * this observes the WebView's native touch stream directly.
+ */
+class TopNativeTouchEndEvent(viewId: Int, private val mEventData: WritableMap) :
+  Event<TopNativeTouchEndEvent>(viewId) {
+  companion object {
+    const val EVENT_NAME = "topNativeTouchEnd"
+  }
+
+  override fun getEventName(): String = EVENT_NAME
+
+  override fun canCoalesce(): Boolean = false
+
+  override fun getCoalescingKey(): Short = 0
+
+  override fun dispatch(rctEventEmitter: RCTEventEmitter) =
+    rctEventEmitter.receiveEvent(viewTag, eventName, mEventData)
+}

android/src/newarch/com/reactnativecommunity/webview/RNCWebViewManager.java

@@ -15,6 +15,7 @@
 import com.facebook.react.viewmanagers.RNCWebViewManagerInterface;
 import com.facebook.react.views.scroll.ScrollEventType;
 import com.reactnativecommunity.webview.events.TopCustomMenuSelectionEvent;
+import com.reactnativecommunity.webview.events.TopNativeTouchEndEvent;
 import com.reactnativecommunity.webview.events.SubResourceErrorEvent;
 import com.reactnativecommunity.webview.events.TopHttpErrorEvent;
 import com.reactnativecommunity.webview.events.TopLoadingErrorEvent;
@@ -547,6 +548,7 @@ public Map<String, Object> getExportedCustomDirectEventTypeConstants() {
         export.put(TopHttpErrorEvent.EVENT_NAME, MapBuilder.of("registrationName", "onHttpError"));
         export.put(TopRenderProcessGoneEvent.EVENT_NAME, MapBuilder.of("registrationName", "onRenderProcessGone"));
         export.put(TopCustomMenuSelectionEvent.EVENT_NAME, MapBuilder.of("registrationName", "onCustomMenuSelection"));
+        export.put(TopNativeTouchEndEvent.EVENT_NAME, MapBuilder.of("registrationName", "onNativeTouchEnd"));
         export.put(TopOpenWindowEvent.EVENT_NAME, MapBuilder.of("registrationName", "onOpenWindow"));
         return export;
     }

android/src/oldarch/com/reactnativecommunity/webview/RNCWebViewManager.java

@@ -11,6 +11,7 @@
 import com.facebook.react.uimanager.annotations.ReactProp;
 import com.facebook.react.views.scroll.ScrollEventType;
 import com.reactnativecommunity.webview.events.TopCustomMenuSelectionEvent;
+import com.reactnativecommunity.webview.events.TopNativeTouchEndEvent;
 import com.reactnativecommunity.webview.events.SubResourceErrorEvent;
 import com.reactnativecommunity.webview.events.TopHttpErrorEvent;
 import com.reactnativecommunity.webview.events.TopLoadingErrorEvent;
@@ -305,6 +306,7 @@ public Map<String, Object> getExportedCustomDirectEventTypeConstants() {
         export.put(TopHttpErrorEvent.EVENT_NAME, MapBuilder.of("registrationName", "onHttpError"));
         export.put(TopRenderProcessGoneEvent.EVENT_NAME, MapBuilder.of("registrationName", "onRenderProcessGone"));
         export.put(TopCustomMenuSelectionEvent.EVENT_NAME, MapBuilder.of("registrationName", "onCustomMenuSelection"));
+        export.put(TopNativeTouchEndEvent.EVENT_NAME, MapBuilder.of("registrationName", "onNativeTouchEnd"));
         export.put(TopOpenWindowEvent.EVENT_NAME, MapBuilder.of("registrationName", "onOpenWindow"));
         return export;
     }

apple/RNCWebViewImpl.h

@@ -115,6 +115,9 @@ shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
 @property (nonatomic, copy) NSArray<NSDictionary *> * _Nullable menuItems;
 @property (nonatomic, copy) NSArray<NSString *> * _Nullable suppressMenuItems;
 @property (nonatomic, copy) RCTDirectEventBlock onCustomMenuSelection;
+// Android-only event; declared here as a no-op so the shared codegen interface
+// stays consistent across platforms. Never fired on iOS/macOS.
+@property (nonatomic, copy) RCTDirectEventBlock onNativeTouchEnd;
 #if !TARGET_OS_OSX
 @property (nonatomic, assign) WKDataDetectorTypes dataDetectorTypes;
 @property (nonatomic, weak) UIRefreshControl * _Nullable refreshControl;

apple/RNCWebViewManager.mm

@@ -124,6 +124,8 @@ - (RNCView *)view
 RCT_CUSTOM_VIEW_PROPERTY(hasOnOpenWindowEvent, BOOL, RNCWebViewImpl) {}
 
 RCT_EXPORT_VIEW_PROPERTY(onCustomMenuSelection, RCTDirectEventBlock)
+// Android-only event; exported here as a no-op for codegen-interface parity. Never fired on iOS.
+RCT_EXPORT_VIEW_PROPERTY(onNativeTouchEnd, RCTDirectEventBlock)
 RCT_CUSTOM_VIEW_PROPERTY(pullToRefreshEnabled, BOOL, RNCWebViewImpl) {
   view.pullToRefreshEnabled = json == nil ? false : [RCTConvert BOOL: json];
 }

lib/RNCWebViewNativeComponent.d.ts

@@ -25,6 +25,12 @@ export type WebViewMessageEvent = Readonly<{
 export type WebViewOpenWindowEvent = Readonly<{
     targetUrl: string;
 }>;
+export type WebViewNativeTouchEndEvent = Readonly<{
+    action: 'up' | 'cancel' | 'pointerUp';
+    pointerCount: Int32;
+    x: Double;
+    y: Double;
+}>;
 export type WebViewHttpErrorEvent = Readonly<{
     url: string;
     loading: boolean;
@@ -129,6 +135,7 @@ export interface NativeProps extends ViewProps {
     nestedScrollEnabled?: boolean;
     onContentSizeChange?: DirectEventHandler<WebViewNativeEvent>;
     onRenderProcessGone?: DirectEventHandler<WebViewRenderProcessGoneEvent>;
+    onNativeTouchEnd?: DirectEventHandler<WebViewNativeTouchEndEvent>;
     overScrollMode?: string;
     saveFormDataDisabled?: boolean;
     scalesPageToFit?: WithDefault<boolean, true>;