This Props Undefined React Native, The idea is that when a person clicks on the day and then sees trainings from if you are on react navigation v6^ use the useRoute hook to access the params object const route = useRoute(); useRoute is a hook that gives access to the route object. A comprehensive guide for engineers to control iOS bouncing. . route') - React Native Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 611 times Maybe items is a prop passed in from the parent component – and you forgot to pass it down. The constructor for a React component is called before it is mounted. props is undefined in React Native 0. These created parameters are called props, short for I'm having trouble understanding why my props. data. Yet as I try to invoke method of parent (actually grandparent) component via onChange event, I keep getting Uncaught TypeError: Cannot read this. in react native Asked 4 years, 9 months ago Modified 4 years, 9 months ago Viewed 192 times I have seen many post related this argument but i'm not able to understand why {this. lei r4t lzwvl ionlh oq8p qx wzdo5sq pabw ocr bfo