wxml

<switch bindchange="changeSource" class="switchView" checked="{{fromTieba}}"></switch>

js

data: {
  fromTieba: false
}
changeSource: function (e) {
  this.setData({
    fromTieba: e.detail.value
  })
}

模拟器机型选择iPhone X，点击switch按钮时，会频繁闪屏甚至错屏