$ npm install react-native-android-seekbar --save

$ react-native link react-native-android-seekbar

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

• Add import com.ga2mer.seekbar.RNAndroidSeekbarPackage; to the imports at the top of the file
• Add new RNAndroidSeekbarPackage() to the list returned by the getPackages() method

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

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

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

     compile project(':react-native-android-seekbar')
   

import SeekBar from 'react-native-android-seekbar';
<SeekBar style={{
    width: 300
}} color={'#e62117'} progress={50} onChange={this.handleChange} onTrackingTouch={this.handleTrackingTouch} max={100} secondaryColor={'grey'} thumbColor={'#e62117'} bgColor={'rgba(0, 0, 0, 0.5)'}/>