okhttp

先编译以下东西

compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'compile 'com.squareup.okhttp3:okhttp:3.9.0'

添加权限

<uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

Gson jar包

NetWorkUtil 里的

package com.bawie.lianxi.net;import android.content.Context;import android.net.ConnectivityManager;import android.net.NetworkInfo;public class NetWorkUtil {    // check all network connect, WIFI or mobile    public static boolean isNetworkAvailable(final Context context) {        boolean hasWifoCon = false;        boolean hasMobileCon = false;        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);        NetworkInfo[] netInfos = cm.getAllNetworkInfo();        for (NetworkInfo net : netInfos) {            String type = net.getTypeName();            if (type.equalsIgnoreCase("WIFI")) {                if (net.isConnected()) {                    hasWifoCon = true;                }            }            if (type.equalsIgnoreCase("MOBILE")) {                if (net.isConnected()) {                    hasMobileCon = true;                }            }        }        return hasWifoCon || hasMobileCon;    }}

OkHttpUtils 里的

package com.bawie.lianxi.net;import android.content.Context;import android.os.Environment;import android.os.Handler;import android.os.Looper;import android.widget.Toast;import com.google.gson.Gson;import java.io.IOException;import java.util.Map;import java.util.concurrent.TimeUnit;import okhttp3.Call;import okhttp3.Callback;import okhttp3.FormBody;import okhttp3.MediaType;import okhttp3.MultipartBody;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.RequestBody;import okhttp3.Response;import okhttp3.logging.HttpLoggingInterceptor;public class OkHttpUtils {    //单例模式，懒汉式    private static OkHttpUtils okHttpUtils;    private final OkHttpClient client;    private Context context;    private Handler handler = new Handler(Looper.getMainLooper());    private OkHttpUtils(Context context){        HttpLoggingInterceptor log = new HttpLoggingInterceptor();        log.setLevel(HttpLoggingInterceptor.Level.BODY);        client = new OkHttpClient.Builder()                .connectTimeout(15, TimeUnit.SECONDS)                .addInterceptor(log)                .build();        this.context = context;    }    public static OkHttpUtils getInstance(Context context){        if(okHttpUtils==null){            synchronized (OkHttpUtils.class){                if(okHttpUtils==null){                    okHttpUtils = new OkHttpUtils(context);                }            }        }        return okHttpUtils;    }    //doget请求    public void doget(String url, final Class clazz, final OnNetListener onNetListener){        //网络判断        if (!NetWorkUtil.isNetworkAvailable(context)) {            Toast.makeText(context, "没有网络，请查看设置", Toast.LENGTH_SHORT).show();            return;        }        Request request = new Request.Builder().url(url).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                    onNetListener.onError(e);            }            @Override            public void onResponse(Call call,Response response) throws IOException {                final String string = response.body().string();                final Object o = new Gson().fromJson(string, clazz);                handler.post(new Runnable() {                        @Override                        public void run() {                            try {                                onNetListener.onSuccess(o);                            } catch (IOException e) {                                e.printStackTrace();                            }                        }                    });            }        });    }    //dopost请求    public void doPost(String url, Map<String,String> params, final Class clazz, final OnNetListener onNetListener){        //网络判断        if (!NetWorkUtil.isNetworkAvailable(context)) {            Toast.makeText(context, "没有网络，请查看设置", Toast.LENGTH_SHORT).show();            return;        }        if(params != null && params.size() > 0){            FormBody.Builder builder = new FormBody.Builder();            for (Map.Entry<String, String> entry : params.entrySet()) {                builder.add(entry.getKey(), entry.getValue());            }            FormBody formBody = builder.build();        Request request = new Request.Builder().url(url).post(formBody).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {            }            @Override            public void onResponse(Call call, Response response) throws IOException {                final Object o = new Gson().fromJson(response.body().string(), clazz);                handler.post(new Runnable() {                    @Override                    public void run() {                        try {                            onNetListener.onSuccess(o);                        } catch (IOException e) {                            e.printStackTrace();                        }                    }                });            }        });    }    }    //下载    public void download(String url, Callback callback) {        Request request = new Request.Builder().url(url).build();        client.newCall(request).enqueue(callback);    }    /**     * 上传     *     * @param url     * @param fileName     */    public void uploadFile(String url, String fileName) {        String file = Environment.getExternalStorageState() + "/" + fileName;        RequestBody fileBody = RequestBody.create(MediaType.parse("application/octet-stream"), file);        //创建RequestBody 设置类型等        RequestBody requestBody = new MultipartBody.Builder()                .setType(MultipartBody.FORM)                .addFormDataPart("file", fileName, fileBody).build();        Request request = new Request.Builder().url(url).post(requestBody).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {            }            @Override            public void onResponse(Call call, Response response) throws IOException {            }        });    }}

OnNetListener 里的

package com.bawie.lianxi.net;import java.io.IOException;public interface OnNetListener {    public void onSuccess(Object o) throws IOException;    public void onError(IOException e);}