onLoadError=(event)=>{
     alert('Img load error');
     this.imgPayIcn.setNativeProps({
       source :{uri:'https://facebook.github.io/react/img/logo_og.png'} //not able to update view with new image... no effect


     });

<Image ref={(ref) => this.imgPayIcn = ref} source={this.props.source} style={{height:50,width:50}} resizeMode='cover' onError={this.onLoadError}/>