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var loading = this.state.isLoading ? ( <ActivityIndicatorIOS hidden='true' size='large'/> ) : ( <View/>);

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<Text style={styles.description}>{this.state.message}</Text>

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quote:{
  fontSize: 9,
  justifyContent: 'center'
}

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<Text style={styles.quote}>{this.state.quote}</Text>

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_handleResponse(response) {
   this.setState({quote: response.quote });
}

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function buildApiUrl(query) {
   var query = query.split(' ').join('_').toLowerCase() + "+";
   return "http://www.iheartquotes.com/api/v1/random?format=json&source="+query
};

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onSearchPressed() {
   fetch(buildApiUrl(this.state.query))
      .then(response => response.json())
      .then(json => this._handleResponse(json))
      .catch(error =>
         this.setState({
            message: 'Shit!' + error,
            isLoading: false}));	
}

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<TouchableHighlight style={styles.button} underlayColor='#99d9f4'>
<Text style={styles.buttonText}
  onPress={this.onSearchPressed.bind(this)}>GO</Text>

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<View style={styles.flowRight}>
   <TextInput style={styles.queryInput} 
      onChange = {this.onQueryTextChanged.bind(this)}
      value =  {this.state.query}/>

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onQueryTextChanged(textInput) {
   this.setState({query: textInput.nativeEvent.text});
   console.log("---> " + this.state.query);
}