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react-native-gesture-recognizers-f

v0.0.1

Published

fix PropTypes bug for johanneslumpe/react-native-gesture-recognizers

Downloads

1

Readme

Install ES7 in ReactNative

yarn add babel-plugin-transform-decorators-legacy

add plugin to .babelrc

{
  "presets": [
    "react-native"
  ],
  "plugins": [
    ...
    "transform-decorators-legacy"
  ],
  "env": {
    ...
  }
}

Basic swipe example

import { swipeable } from 'react-native-gesture-recognizers';
@swipeable({
  horizontal:true,
  vertical: true,
  continuous: false,
  initialVelocityThreshold: 0.7
})
class SwipeMe {

  render() {
    const { swipe: { direction } } = this.props;
    return (
      <View style={{
        width:250,
        height:250,
        alignItems: 'center',
        justifyContent: 'center'}}>
        {!direction ? <Text>Swipe me!</Text> : <Text style={{fontWeight:'700'}}>{direction}!</Text>}
      </View>
    );
  }

}
import React, { Component, Text, View, LayoutAnimation } from 'react-native';
import { swipeable } from 'react-native-gesture-recognizers';
const { directions: { SWIPE_UP, SWIPE_LEFT, SWIPE_DOWN, SWIPE_RIGHT } } = swipeable;
class TransformOnSwipe extends Component {

  constructor(props, context) {
    super(props, context);
    this.state = {
      color: 'yellow',
      x: 0,
      y: 0,
    }
  }

  onSwipeBegin = ({ direction, distance, velocity }) => {
    let { x, y, color } = this.state;
    // x and y values are hardcoded for an iphone6 screen
    switch (direction) {
      case SWIPE_LEFT:
        x = 0;
        color = 'yellow';
        break;
      case SWIPE_RIGHT:
        x = 125;
        color = 'blue';
        break;
      case SWIPE_UP:
        y = 0;
        color = 'green';
        break;
      case SWIPE_DOWN:
        y = 417;
        color = 'purple';
        break;
    }
    LayoutAnimation.configureNext(LayoutAnimation.Presets.spring);

    this.setState({
      x, y, color
    });
  }

  render() {
    const { transform, reset, color, x ,y } = this.state;

    return (
      <SwipeMe
        onSwipeBegin={this.onSwipeBegin}
        swipeDecoratorStyle={{
          backgroundColor: color,
          left: x,
          top: y,
          position:'absolute',
        }} />
    );
  }

}

swipe example

swipeable

Configuration

setGestureState Boolean Whether the decorator should pass the current pan state to the decorated child. If you only use the callbacks to react to panning, then you can set this to false.

horizontal Boolean Whether horizontal swipes should be detected. Default: false

vertical Boolean Whether vertical swipes should be detected. Default: false

left Boolean Whether left swipes should be detected. Default: false

right Boolean Whether right swipes should be detected. Default: false

up Boolean Whether upward swipes should be detected. Default: false

up Boolean Whether downward swipes should be detected. Default: false

continuous Boolean If true, then you will receive an update each time the touch moves. If false you will only receive a single notification about the touch. Default: true

initialVelocityThreshold Number Defines the initial velocity necessary for the swipe to be registered. Default: 0.7

verticalThreshold Number Defines how far the touch can stray from the x-axis in y-direction when detecting horizontal touches. Default: 10

horizontalThreshold Number Defines how far the touch can stray from the y-axis in x-direction when detecting vertical touches. Default: 10

Props

onSwipeBegin({ direction, distance, velocity }) Function Gets called once at the begin of the gesture.

onSwipe({ direction, distance, velocity }) Function Gets called whenever the touch moves, if continuous is true.

onSwipeEnd({ direction }) Function Gets called when the gesture is released or terminated. (The user ended the touch or it was forcefully interrupted)

swipeDecoratorStyle Object A custom style object, which will be applied to the wrapper view.