this.$bridge
    .blueToothEnable ()
    .then(res => {    
    this.$alert(res)
    })
    .catch(err => {
    this.$toast(err)
    })

// 设备状态推送，返回数据格式：
{ 
    messageType: "bluetoothEnable",
    messageBody: { status: 1 } 
}

const globalEvent = weex.requireModule('globalEvent')
 
export default {
.....   
created() {
    // 监听设备状态推送
    globalEvent.addEventListener('receiveMessageFromApp', (response) => {
        // 业务逻辑
        let { messageType, messageBody } = response
        if (messageType == 'bluetoothEnable'){
            console.log(messageBody)
        }
    })
}
.....
}