小编mun*_*eeb的帖子

我的班级代码

问题是onPress函数如果我在循环中使用它会给出以下错误

onPress={() => this.onPressButton()}

如果我使用这行代码,没有任何反应

onPress={this.onPressButton}

我知道这必须做一些绑定,我没有得到帮助

export default class PlayGame extends Component {

  navigate(routName){
    this.props.navigator.push({
     name:  routName
   })
  }

  onPressButton() {
    alert("You tapped the button!");
  }

  render() {
    //var selectedLetter = Globals.URDU_ALPHABETS[Math.floor(Math.random()*Globals.URDU_ALPHABETS.length)];  //will be used when app is MVP
    //add selected array

    var selectedLetter = Globals.URDU_ALPHABETS[1];
    var randLetters =  shuffle(randomLetters(Globals.URDU_ALPHABETS,selectedLetter));
    playSelectedLetter(selectedLetter.name);      
    return (             
     <View style={{flex: 3,backgroundColor: 'silver', flexDirection: 'column', justifyContent:'space-between', alignItems: 'center'}}>                      
     <View style={{width: 400, height: 8, flex: 1, backgroundColor: 'steelblue'}}  /> 
     <View style={{flex: 3,backgroundColor: 'silver', flexDirection: 'row', …