将代码放在index.js 中 AppRegistry.registerComponent('App', () => App)之前
//关闭其中某些yellow警告 console.ignoredYellowBox = ['Warning: BackAndroid is deprecated. Please use BackHandler instead.','source.uri should not be an empty string','Invalid props.style key']; // 关闭全部yellow警告 console.disableYellowBox = true