janicduplessis

const HEADER_MAX_HEIGHT = 200;
const HEADER_MIN_HEIGHT = 60;
const HEADER_SCROLL_DISTANCE = HEADER_MAX_HEIGHT — HEADER_MIN_HEIGHT;

janicduplessis

...

constructor(props) {
  super(props);

  this.state = {
    scrollY: new Animated.Value(0),
  };
}

janicduplessis

import React, {Component} from 'react';
import {
  Animated,
  Image,
  ScrollView,
  StyleSheet,
  Text,
  View,
} from 'react-native';

janicduplessis

// @flow

import Relay from 'react-relay';

import Storage from './utils/Storage';

const TOKEN_KEY = 'TW_USER_TOKEN';

let _token = Storage.getItem(TOKEN_KEY, null);

janicduplessis

NSArray *splashXibViews = [[NSBundle mainBundle] loadNibNamed:@"LaunchScreen" owner:self options:nil];
UIView *splash = [splashXibViews objectAtIndex:0];
splash.frame = rootView.frame;
rootView.loadingView = splash;
rootView.loadingViewFadeDelay = 0.25;
rootView.loadingViewFadeDuration = 0.3;

janicduplessis

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
'use strict';

janicduplessis

class AddRemoveExample extends React.Component {
  state = {
    open: false,
  };

  componentWillUpdate() {
    LayoutAnimation.easeInEaseOut();
  }

  _onPressAddView = () => {

janicduplessis

[...]

const NAVBAR_HEIGHT = 64;
const STATUS_BAR_HEIGHT = Platform.select({ ios: 20, android: 24 });

class App extends Component {
  
  [...]
  
  render() {

janicduplessis

[...]

class App extends Component {
  constructor(props) {
    [...]

    const scrollAnim = new Animated.Value(0);
    const offsetAnim = new Animated.Value(0);

    this.state = {

janicduplessis

input | output
0     | 0
20    | 20
40    | 20
60    | 20
50    | 10
40    | 0
50    | 10
20    | 0