直播组件live-player添加bindtap事件在Android中可以响应，在iPhone响应不了，代码如下：

<live-player id="livePlay" src="{{watchUrl == undefined ? '' : watchUrl}}" mode="RTC" autoplay="autoplay" bindstatechange="statechange" data-id="{{watchId}}" bindtap='touchBottom'>

<cover-view class='player_bottom' animation="{{animationData}}" wx:if="{{showModalplayer}}">

<cover-view class='player-play' bindtap="play" wx:if='{{!playindexFlag}}'>

<cover-image src='/static/images/icon/play.png' />

</cover-view>

<cover-view class='player-pause' bindtap="pause" wx:if='{{playindexFlag}}'>

<cover-image src='/static/images/icon/pause.png' />

</cover-view>

<cover-view class='player-right' bindtap="showFullScreen">

<cover-image wx:if="{{livePlayFlag1}}" src='/static/images/icon/all_big.png' />

</cover-view>

<cover-view class='player-right' bindtap="exitFullScreen">

<cover-image wx:if="{{livePlayFlag2}}" src='/static/images/icon/all.png'></cover-image>

</cover-view>

</cover-view>

</live-player>