react-native-scratch-card

react-native-scratch-card (Android Only)

Thanks for https://github.com/D-clock/ScratchView/

Installation

react-native >= 0.60.0

1 - Install the package:

$ yarn add react-native-scratch-card

or

$ npm install react-native-scratch-card --save

2 - Edit yout "AndroidManifest.xml" in "android/app/src/main/"

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.myawesomeapp"
  xmlns:tools="http://schemas.android.com/tools" <!-- Add this line -->
  ...
  >

and

<application
      android:name=".MainApplication"
      android:label="@string/app_name"
      android:icon="@mipmap/ic_launcher"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:allowBackup="false"
      tools:replace="android:allowBackup" <!-- Add this line -->
        ...

That's is all!

react-native <= 0.59.0

1 - Install the package:

Mostly automatic installation

$ yarn add react-native-scratch-card

$ react-native link react-native-scratch-card

or

$ npm install react-native-scratch-card --save

$ react-native link react-native-scratch-card

2 - Edit yout "AndroidManifest.xml" in "android/app/src/main/"

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.myawesomeapp"
  xmlns:tools="http://schemas.android.com/tools" <!-- Add this line -->
  ...
  >

and

<application
      android:name=".MainApplication"
      android:label="@string/app_name"
      android:icon="@mipmap/ic_launcher"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:allowBackup="false"
      tools:replace="android:allowBackup" <!-- Add this line -->
        ...

Manual installation

Android

• Open up android/app/src/main/java/[...]/MainApplication.java

• Add import com.thebylito.RNScratchCardPackage; to the imports at the top of the file
• Add new RNScratchCardPackage() to the list returned by the getPackages() method

• Append the following lines to android/settings.gradle:

  include ':react-native-scratch-card'
  project(':react-native-scratch-card').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-scratch-card/android')
  

• Insert the following lines inside the dependencies block in android/app/build.gradle:

    compile project(':react-native-scratch-card')
  

Example

import React, { Component } from "react";
import { StyleSheet, Text, View, Image, Alert } from "react-native";
import ScratchCard from "react-native-scratch-card";

export default class App extends Component {
  state = { color: "red", status: 0 };
  render() {
    return (
      <View style={styles.container}>
        <Text>{this.state.status}</Text>
        <ScratchCard
          brushSize={125}
          getPercent={percent => {
            this.setState({ status: percent });
          }}
          onEnd={() => {
            Alert.alert("acabou!");
          }}
          maxPercent={50}
          style={{
            justifyContent: "center",
            alignItems: "center",
            width: 400,
            height: 400
          }}
          color={"gray"}
        >
          <Text style={{ fontSize: 20 }}>Hello World!!!</Text>
        </ScratchCard>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: "center",
    alignItems: "center",
    backgroundColor: "#F5FCFF"
  }
});