jqoo opened a new issue #499: viewdisappear后调用组件的方法容易crash URL: https://github.com/apache/incubator-weex-site/issues/499 `- (SEL)_methodWithComponetName:(NSString *)name withMethod:(NSString *)method isSync:(BOOL *)isSync { WXAssert(name && method, @"Fail to find selector with module name and method, please check if the parameters are correct ！"); //... } ` 闪退在了这里，原因是在页面pop时，发出了disappear，然后销毁了页面里的实例，但页面里disappear事件的回调方法里，调用组件的方法时，self.instance依然是非空，根据ref找不到组件： `- (void)invoke { WXPerformBlockOnComponentThread(^{ WXComponent *component = [self.instance componentForRef:_componentRef]; if (!component) { WXLogError(@"component not found for ref:%@, type:%@", _componentRef, _componentName); } //... } `
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