wx.chooseVideo({

maxDuration:15,

      success : function(res) {

var videoDuration = res.duration;

if (videoDuration &&videoDuration>15){

wx.showToast({

title: '视频时长不能超过15秒',

icon: 'none',

duration: 2000

});

}else{

that.setData({

video: res.tempFilePath,

addVideShow: 0

})

that.formSubmit();

}

      },

      fail : function(r) {

        console.log(r);

      }

    })

（安卓手机）目前效果：无法自动停止拍摄