// livedata viewmodeldef lifecycle_version = "1.1.1"implementation "android.arch.lifecycle:extensions:$lifecycle_version"implementation "android.arch.lifecycle:viewmodel:$lifecycle_version"implementation "android.arch.lifecycle:livedata:$lifecycle_version"implementation "android.arch.lifecycle:runtime:$lifecycle_version"annotationProcessor "android.arch.lifecycle:compiler:$lifecycle_version"

/*** Created by ocean on 2018/8/11* Author :  ocean* Email  :  348686686@qq.com*/object OceanUtil{object Holder{val OK_HTTP_CLIENT = OkHttpClient()val GSON = Gson()}private const val TAG:String = "ocean"/*** 网络请求工具方法demo* @param url api接口地址* @param handler*/fun httpRequest(url: String,params: HashMap<String,Any>,handler: Handler){var jsonObject = JSONObject(params)var requestBody = RequestBody.create(AppConstant.MEDIA_TYPE_JSON,jsonObject.toString())val okHttpClient = Holder.OK_HTTP_CLIENTval request = Request.Builder().url(url).post(requestBody).build()okHttpClient.newCall(request).enqueue(object: Callback{override fun onFailure(call: Call?, e: IOException?) {logE("请求失败")}override fun onResponse(call: Call?, response: Response?) {logE("请求成功")val result:String = response!!.body().string().toString()val message = Message()message.what = 200message.obj = resulthandler.sendMessage(message)}})}/*** 日志打印* @param any*/fun logE(any: Any) {if (AppConstant.isDegug)Log.e(TAG,"-> -> -> 日志打印【 $any 】")}/*** 数据转换*/fun convertData(result:String): ArticleModel {return Holder.GSON.fromJson(result,object : TypeToken<ArticleModel>(){}.type)}}

/*** Created by ocean on 2018/8/11* Author :  ocean* Email  :  348686686@qq.com*/
public class ArticleModel{/*** ResultCode : 1* ErrCode : OK* Body : {"id":4861,"vol":"VOL.2135","img_url":"http://image.wufazhuce.com/FhUGpJBjkcod8DHH7OSieT-8ODKz","img_author":"Ethan Yang","img_kind":"摄影","date":"2018-08-11 06:00:00","url":"http://m.wufazhuce.com/one/2165","word":"自己被伤害的时候，有的人生气，有的人伤心。生气的人是憎恨的，将自己束之高阁而去攻击对方，歇斯底里地喊叫起来。懂得悲伤的人，一定懂得爱，只是静静地如时间停滞般，独自哀伤。人们总说爱恨参半，其实这是不可能存在的，既爱之，何恨之。","word_from":"《高岭之花》","word_id":2165}*/private int ResultCode;private String ErrCode;private BodyBean Body;public int getResultCode() {return ResultCode;}public void setResultCode(int ResultCode) {this.ResultCode = ResultCode;}public String getErrCode() {return ErrCode;}public void setErrCode(String ErrCode) {this.ErrCode = ErrCode;}public BodyBean getBody() {return Body;}public void setBody(BodyBean Body) {this.Body = Body;}@Overridepublic String toString() {return "ArticleModel{" +"ResultCode=" + ResultCode +", ErrCode='" + ErrCode + '\'' +", Body=" + Body +'}';}public static class BodyBean {/*** id : 4861* vol : VOL.2135* img_url : http://image.wufazhuce.com/FhUGpJBjkcod8DHH7OSieT-8ODKz* img_author : Ethan Yang* img_kind : 摄影* date : 2018-08-11 06:00:00* url : http://m.wufazhuce.com/one/2165* word : 自己被伤害的时候，有的人生气，有的人伤心。生气的人是憎恨的，将自己束之高阁而去攻击对方，歇斯底里地喊叫起来。懂得悲伤的人，一定懂得爱，只是静静地如时间停滞般，独自哀伤。人们总说爱恨参半，其实这是不可能存在的，既爱之，何恨之。* word_from : 《高岭之花》* word_id : 2165*/private int id;private String vol;private String img_url;private String img_author;private String img_kind;private String date;private String url;private String word;private String word_from;private int word_id;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getVol() {return vol;}public void setVol(String vol) {this.vol = vol;}public String getImg_url() {return img_url;}public void setImg_url(String img_url) {this.img_url = img_url;}public String getImg_author() {return img_author;}public void setImg_author(String img_author) {this.img_author = img_author;}public String getImg_kind() {return img_kind;}public void setImg_kind(String img_kind) {this.img_kind = img_kind;}public String getDate() {return date;}public void setDate(String date) {this.date = date;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public String getWord() {return word;}public void setWord(String word) {this.word = word;}public String getWord_from() {return word_from;}public void setWord_from(String word_from) {this.word_from = word_from;}public int getWord_id() {return word_id;}public void setWord_id(int word_id) {this.word_id = word_id;}@Overridepublic String toString() {return "BodyBean{" +"id=" + id +", vol='" + vol + '\'' +", img_url='" + img_url + '\'' +", img_author='" + img_author + '\'' +", img_kind='" + img_kind + '\'' +", date='" + date + '\'' +", url='" + url + '\'' +", word='" + word + '\'' +", word_from='" + word_from + '\'' +", word_id=" + word_id +'}';}}
}

class ArticRepository(application: Application){private var liveData = MutableLiveData<ArticleModel>()init {getHttpData()}fun getLiveDta():MutableLiveData<ArticleModel>{return liveData}fun getHttpData(){val params : HashMap<String,Any> = HashMap()params["TransCode"] = "030111"params["OpenId"] = "123456789"OceanUtil.httpRequest(AppConstant.URL,params,object : Handler(){override fun handleMessage(msg: Message?) {super.handleMessage(msg)val result = msg?.obj as StringOceanUtil.logE("打印请求结果：$result")liveData.value = OceanUtil.convertData(result)}})}}

/*** Created by ocean on 2018/8/12* Author :  ocean* Email  :  348686686@qq.com*/
class ArticleViewModel(application: Application) : AndroidViewModel(application) {private var repository : ArticRepository? = nullprivate var data:MutableLiveData<ArticleModel>? = nullinit {repository = ArticRepository(application)data = repository?.getLiveDta()}fun getData(): MutableLiveData<ArticleModel>? {return data}fun requestData(){repository?.getHttpData()}}

class MainActivity : AppCompatActivity() {private var vm : ArticleViewModel? = nulloverride fun onCreate(savedInstanceState: Bundle?) {super.onCreate(savedInstanceState)setContentView(R.layout.activity_main)// 获取vm对象vm = ViewModelProviders.of(this).get(ArticleViewModel::class.java)initData()}fun initData(){btn_get.setOnClickListener(View.OnClickListener {vm?.requestData()})vm?.getData()?.observe(this, Observer {it?.let { it1 -> updateView(it1) }})}fun updateView(model: ArticleModel){tv_title.text = model.body.word_fromtv_author.text = "—— " +  model.body.img_authortv_digest.text = model.body.wordGlide.with(this).load(model.body.img_url).dontAnimate().centerCrop().into(img_left)Toast.makeText(this,"更新成功",Toast.LENGTH_SHORT).show()}}

// url接口地址：https://api.hibai.cn/api/index/index
// 入参："TransCode"="030111","OpenId":"123456789"
// 这是接口返回json数据
{"ResultCode": 1,"ErrCode": "OK","Body": {"id": 4860,"vol": "VOL.2136","img_url": "http://image.wufazhuce.com/FpXhraPX6RVOiEVBkxL2mJzd1Lb5","img_author": "狐狸狐狸鱼","img_kind": "插画","date": "2018-08-12 06:00:00","url": "http://m.wufazhuce.com/one/2166","word": "还是想在夏天与你相恋，不仅是夜晚温热的风，清爽的白色短袖，还是冰镇西瓜或者幻想中的漫长暑假，可能是曾经觉得夏天就属于慵懒，所以才会觉得要搭配一个你，在懒洋洋里带着些许的紧张。是你啊，又见面了。","word_from": "咸贵人","word_id": 2166}
}