android学习笔记----手机号码查询归属地

demo中遇到的问题直接跳转见这里：问题总结

学习目标：实现归属地查询，通过OkHttp网络框架请求手机号数据，并能掌握流行的MVP设计模式以及如何使用目前主流的Json和Gson解析框架。

难度点：在gson解析时，遇到了key会动态变化的json数据，如何处理花费了很长时间。

利用淘宝接口只能显示到省份，不能具体到城市，json数据简单：

淘宝接口：

https://tcc.taobao.com/cc/json/mobile_tel_segment.htm

利用淘宝接口的demo：https://github.com/liuchenyang0515/SearchPhone

利用百度接口可以显示到具体的城市，就是json数据嵌套多

百度接口：

http://mobsec-dianhua.baidu.com/dianhua_api/open/location

利用百度接口的demo：https://github.com/liuchenyang0515/SearchPhone1

有人经过多方接口对比，据说百度接口更加准确，我们就采用百度接口。

在以上URL后面加上手机号即可，比如?tel=159xxxxxxxx

自己新建一个project，关掉android studio，再把app目录替换到自己的app目录，再打开即可。

mvp设计思路：

关于mvc和mvp更加详细的讲解：http://kaedea.com/2015/10/11/android-mvp-pattern/

接下来以百度接口讲解：

返回的json数据如下：

大致的demo目录如下：

activity充当view，presenter处理业务逻辑，p和v采用接口交互，大致上算一个mvp框架模式。

运行结果如图：

代码如下：(或者更直观的去看demo)

MainActivity.java

package com.example.searchphone;import android.app.ProgressDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;import com.example.searchphone.model.GsonParsePhone;
import com.example.searchphone.model.JsonparsePhone;
import com.example.searchphone.mvp.MvpMainView;
import com.example.searchphone.mvp.impl.MainPresenter;public class MainActivity extends AppCompatActivity implements MvpMainView {EditText input_phone;Button btn_search;TextView result_phone;TextView result_province;TextView result_type;TextView result_carrier;MainPresenter mainPresenter;ProgressDialog progressDialog;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);input_phone = findViewById(R.id.input_phone);btn_search = findViewById(R.id.btn_search);result_phone = findViewById(R.id.result_phone);result_province = findViewById(R.id.result_province);result_type = findViewById(R.id.result_type);result_carrier = findViewById(R.id.result_carrier);btn_search.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {mainPresenter.searchPhoneInfo(input_phone.getText().toString());}});mainPresenter = new MainPresenter(this);//mainPresenter.attach(this);}// mvpMainView接口的方法@Overridepublic void showToast(String msg) {Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();}/*    // 用JSONObject解析时用这个@Overridepublic void updateView() {JsonparsePhone phone = mainPresenter.getPhoneInfo();result_phone.setText("手机号：" + phone.getTelString());result_province.setText("省份：" + phone.getProvince());result_type.setText("城市：" + phone.getCity());result_carrier.setText("运营商：" + phone.getOperator());}*/// 用Gson解析时用这个@Overridepublic void updateView() {GsonParsePhone phone = mainPresenter.getPhoneInfo1();result_phone.setText("手机号：" + input_phone.getText().toString()); // 手机号码直接在EditView获取就行result_province.setText("省份：" + phone.getResponse().getPhoneNumber().getDetail().getProvince());result_type.setText("城市：" + phone.getResponse().getPhoneNumber().getDetail().getArea().get(0).getCity());result_carrier.setText("运营商：" + phone.getResponse().getPhoneNumber().getDetail().getOperator());}@Overridepublic void showLoading() {if (progressDialog == null) {progressDialog = ProgressDialog.show(this, "", "正在加载...", true, false);} else if (progressDialog.isShowing()) {progressDialog.setTitle("");progressDialog.setMessage("正在加载...");}progressDialog.show();}@Overridepublic void hidenLoading() {if (progressDialog != null && progressDialog.isShowing()){progressDialog.dismiss();}}
}

MvpMainView.java

package com.example.searchphone.mvp;public interface MvpMainView extends MvpLoadingView{void showToast(String msg);void updateView();
}

MvpLoadingView.java

package com.example.searchphone.mvp;public interface MvpLoadingView {void showLoading();void hidenLoading();
}

MainPresenter.java

package com.example.searchphone.mvp.impl;import android.util.Log;import com.example.searchphone.business.HttpUtils;
import com.example.searchphone.model.JsonparsePhone;
import com.example.searchphone.model.GsonParsePhone;
import com.example.searchphone.mvp.MvpMainView;
import com.google.gson.Gson;import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;import java.util.HashMap;
import java.util.Map;public class MainPresenter extends BasePresenter {//String mUrl = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm";String mUrl = "http://mobsec-dianhua.baidu.com/dianhua_api/open/location";MvpMainView mvpMainView;JsonparsePhone mPhone;GsonParsePhone mPhone1;String phoneNum;private static final String TAG = "MainPresenter";public JsonparsePhone getPhoneInfo() {return mPhone;}public GsonParsePhone getPhoneInfo1() {return mPhone1;}public MainPresenter(MvpMainView mainView) {mvpMainView = mainView;}public void searchPhoneInfo(String phone) {if (phone.length() != 11) {mvpMainView.showToast("请输入正确的手机号");return;}phoneNum = phone;mvpMainView.showLoading();// 写上http请求处理逻辑sendHttp(phone);}private void sendHttp(String phone) {Map<String, String> map = new HashMap<String, String>();map.put("tel", phone);HttpUtils httpUtils = new HttpUtils(new HttpUtils.HttpResponse() {@Overridepublic void onSuccess(Object object) {String json = object.toString();// 使用Gson时需要下面2句，使用JSONObject时注释下面2句StringBuilder str = new StringBuilder(json);json = str.substring(0, 14) + "phoneNumber" + str.substring(25);// 使用JSONObject//mPhone = parseModelWithOrgJson(json);// GsonmPhone1 = parseModelWithGson(json);// FastJson// mPhone = parseModelWithFastJson(json);mvpMainView.hidenLoading();mvpMainView.updateView();}@Overridepublic void onFail(String error) {mvpMainView.showToast(error);mvpMainView.hidenLoading();}});httpUtils.sendGetHttp(mUrl, map);}// 手动练习json解析，根据自己选择需要来修改,这里写的是未修改json的手机号// 还是动态手机号解析private JsonparsePhone parseModelWithOrgJson(String json) {JsonparsePhone phone = new JsonparsePhone();Log.d(TAG, "=====================" + json);try {JSONObject jsonObject = new JSONObject(json);JSONObject response = jsonObject.getJSONObject("response");// Log.d(TAG, "response=====================" + response);JSONObject num = response.getJSONObject(phoneNum);// 外面传进来的手机号，json可以一步步处理动态keyphone.setTelString(phoneNum);// Log.d(TAG, "num======================" + num);JSONObject detail = num.getJSONObject("detail");String province = detail.getString("province");phone.setProvince(province);String operator = detail.getString("operator");phone.setOperator(operator);JSONArray areaArr = detail.getJSONArray("area");JSONObject obj = areaArr.getJSONObject(0);String city = obj.getString("city");phone.setCity(city);} catch (JSONException e) {e.printStackTrace();}return phone;}private GsonParsePhone parseModelWithGson(String json) {Gson gson = new Gson();GsonParsePhone phone = gson.fromJson(json, GsonParsePhone.class);return phone;}private JsonparsePhone parseModelWithFastJson(String json) {JsonparsePhone phone = com.alibaba.fastjson.JSONObject.parseObject(json, JsonparsePhone.class);return phone;}
}

BasePresenter.java

package com.example.searchphone.mvp.impl;import android.content.Context;public class BasePresenter {Context mContext;public void attach(Context context) {mContext = context;}public void onPause() {}public void onResume() {}public void Destroy() {mContext = null;}
}

JsonparsePhone.java

package com.example.searchphone.model;public class JsonparsePhone {String telString;String province;String city;String operator;public String getTelString() {return telString;}public void setTelString(String telString) {this.telString = telString;}public String getProvince() {return province;}public void setProvince(String province) {this.province = province;}public String getCity() {return city;}public void setCity(String city) {this.city = city;}public String getOperator() {return operator;}public void setOperator(String operator) {this.operator = operator;}
}

GsonparsePhone.java

package com.example.searchphone.model;import java.util.List;public class GsonParsePhone {/*** response : {"phoneNumber":{"detail":{"area":[{"city":"武汉"}],"province":"湖北","type":"domestic","operator":"移动"},"location":"湖北武汉移动"}}* responseHeader : {"status":200,"time":1533717512727,"version":"1.1.0"}*/private ResponseBean response;private ResponseHeaderBean responseHeader;public ResponseBean getResponse() {return response;}public void setResponse(ResponseBean response) {this.response = response;}public ResponseHeaderBean getResponseHeader() {return responseHeader;}public void setResponseHeader(ResponseHeaderBean responseHeader) {this.responseHeader = responseHeader;}public static class ResponseBean {/*** phoneNumber : {"detail":{"area":[{"city":"武汉"}],"province":"湖北","type":"domestic","operator":"移动"},"location":"湖北武汉移动"}*/private PhoneNumberBean phoneNumber;public PhoneNumberBean getPhoneNumber() {return phoneNumber;}public void setPhoneNumber(PhoneNumberBean phoneNumber) {this.phoneNumber = phoneNumber;}public static class PhoneNumberBean {/*** detail : {"area":[{"city":"武汉"}],"province":"湖北","type":"domestic","operator":"移动"}* location : 湖北武汉移动*/private DetailBean detail;private String location;public DetailBean getDetail() {return detail;}public void setDetail(DetailBean detail) {this.detail = detail;}public String getLocation() {return location;}public void setLocation(String location) {this.location = location;}public static class DetailBean {/*** area : [{"city":"武汉"}]* province : 湖北* type : domestic* operator : 移动*/private String province;private String type;private String operator;private List<AreaBean> area;public String getProvince() {return province;}public void setProvince(String province) {this.province = province;}public String getType() {return type;}public void setType(String type) {this.type = type;}public String getOperator() {return operator;}public void setOperator(String operator) {this.operator = operator;}public List<AreaBean> getArea() {return area;}public void setArea(List<AreaBean> area) {this.area = area;}public static class AreaBean {/*** city : 武汉*/private String city;public String getCity() {return city;}public void setCity(String city) {this.city = city;}}}}}public static class ResponseHeaderBean {/*** status : 200* time : 1533717512727* version : 1.1.0*/private int status;private long time;private String version;public int getStatus() {return status;}public void setStatus(int status) {this.status = status;}public long getTime() {return time;}public void setTime(long time) {this.time = time;}public String getVersion() {return version;}public void setVersion(String version) {this.version = version;}}
}

HttpUtils.java

package com.example.searchphone.business;import android.os.Handler;
import android.os.Looper;
import android.util.Log;import java.io.IOException;
import java.util.Iterator;
import java.util.Map;import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;public class HttpUtils {private static final String TAG = "HttpUtils";String mUrl;Map<String, String> mParam;HttpResponse mHttpResponse;Handler myhandler = new Handler(Looper.getMainLooper());private final OkHttpClient client = new OkHttpClient();public interface HttpResponse {void onSuccess(Object object);void onFail(String error);}public HttpUtils(HttpResponse response) {mHttpResponse = response;}public void sendPostHttp(String url, Map<String, String> param) {sendHttp(url, param, true);}public void sendGetHttp(String url, Map<String, String> param) {sendHttp(url, param, false);}private void sendHttp(String url, Map<String, String> param, boolean isPost) {mUrl = url;mParam = param;// 编写http请求逻辑run(isPost);}private void run(boolean isPost) {// request请求创建final Request request = createRequest(isPost);client.newCall(request).enqueue(new Callback() {@Overridepublic void onFailure(Call call, IOException e) {if (mHttpResponse != null) {myhandler.post(new Runnable() {@Overridepublic void run() {mHttpResponse.onFail("请求错误");}});}}@Overridepublic void onResponse(Call call, final Response response) {if (mHttpResponse == null) return;myhandler.post(new Runnable() {@Overridepublic void run() {if (!response.isSuccessful()) {mHttpResponse.onFail("请求失败：code" + response);} else {try {String s = response.body().string(); // response.body().string();使用一次流就关闭了mHttpResponse.onSuccess(s);} catch (IOException e) {e.printStackTrace();mHttpResponse.onFail("结果转换失败");}}}});}});}private Request createRequest(boolean isPost) {Request request;if (isPost) {MultipartBody.Builder requestBodyBuilder = new MultipartBody.Builder();requestBodyBuilder.setType(MultipartBody.FORM);Iterator<Map.Entry<String, String>> iterator = mParam.entrySet().iterator();// 遍历map请求参数while (iterator.hasNext()) {Map.Entry<String, String> entry = iterator.next();requestBodyBuilder.addFormDataPart(entry.getKey(), entry.getValue());}request = new okhttp3.Request.Builder().url(mUrl).post(requestBodyBuilder.build()).build();} else {String urlStr = mUrl + "?" + MapParamToString(mParam);request = new Request.Builder().url(urlStr).build();}return request;}private String MapParamToString(Map<String, String> param) {StringBuilder stringBuilder = new StringBuilder();Iterator<Map.Entry<String, String>> iterator = param.entrySet().iterator();while (iterator.hasNext()) {Map.Entry<String, String> entry = iterator.next();stringBuilder.append(entry.getKey() + "=" + entry.getValue() + "&");}String str = stringBuilder.toString();return str;}
}

问题总结：

写的过程中遇到了一些问题，比如想让gson直接转换这种多层嵌套并且key会动态变化的json数据成java bean，开始想利用gsonformat插件生成java bean，但是还是有问题，像用gson解析key(手机号)是动态变化的value，试了半天做不到，想利用反射修改static final String a = "phoneNum"...@SerializedName(a) 注释的值，因为这个注释可以强制修改字段的值，能将每次输入的手机号转换成相同的key去解析，可惜失败了，虽然强制修改了static final修饰的a的值，再把这个值的引用传给@SerializedName(a) 做参数，很遗憾，编译器已经把这里的参数优化成了常量，比如static final a = "qqq";那么编译器已经优化成了@SerializedName("qqq")，哪怕强制修改了a为其他值，这个这个注释了值还是没变，达不到想要的效果，但是阻止编译器优化之后，又会提醒这个属性值必须是常量。所以这种方法办不到。以下是我参考的网址，虽然失败了，但还是学到了新东西，因为我把这些知识都试了一次，知识点熟悉了一遍，但是这些知识在这个问题上行不通。

所以真的没办法了吗？其实是有的，在传回json数据的时候，也没规定我们不能修改啊，只要显示给别人看的时候是正确的就行了，自己修改自己解析是没有问题的。

修改如下：

// 使用Gson时需要下面2句，使用JSONObject时注释下面2句

StringBuilder str = new StringBuilder(json);

json = str.substring(0, 14) + "phoneNumber" + str.substring(25);

因为json数据是这样的：

{"response":{"12345678910":{"detail":{"area":[{"city":"武汉"}],"province":"湖北","type":"domestic","operator":"移动"},"location":"湖北武汉移动"}},"responseHeader":{"status":200,"time":1533717512727,"version":"1.1.0"}}

修改后是这样的：

{"response":{"phoneNumber":{"detail":{"area":[{"city":"武汉"}],"province":"湖北","type":"domestic","operator":"移动"},"location":"湖北武汉移动"}},"responseHeader":{"status":200,"time":1533717512727,"version":"1.1.0"}}

只要将手机号码这个部分替换成其他字符串即可，就不用去硬生生的解决key会动态变化的json数据。然后利用gsonformat生成java bean，最后直接利用gson解析即可。

如何下载gsonformat：

最后创建一个jave bean类，右键generate->GsonFormat，勾上就行

操作的参考网址：https://www.cnblogs.com/bdsdkrb/p/7204912.html

在遇到的问题中，有过这样的学习经历，如下网址：

如何阻止编译器优化static final修饰的值为常量，内容参见：https://www.cnblogs.com/damonhuang/p/5421563.html

Java反射-修改字段值, 反射修改static final修饰的字段：http://www.cnblogs.com/noKing/p/9038234.html

论 f.getModifiers() & Modifier.FINAL &Modifier.STATIC 如何成立：https://blog.csdn.net/vi__iv/article/details/47294243

Java反射之如何判断类或变量、方法的修饰符(Modifier解析)：https://blog.csdn.net/xiao__gui/article/details/8141216

===============================Talk is cheap, show me the code=============================

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android学习笔记----手机号码查询归属地

问题总结：

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