Okhttp+Retrofit+Rxjava+Rxlive 一款方便使用的網絡框架封裝

我的GitHub地址—rxjava+retrofit+okhttp+rxlive 的封裝

    //Okhttp依賴
    compile 'com.squareup.okio:okio:1.5.0'
    compile 'com.squareup.okhttp3:okhttp:3.2.0'
    //攔截器
    compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'

//和上一次的對比主要更新了文件上傳   並且保存了第一次上傳文件的方法  新增網絡攔//截器  

public class OkHttp3Utils {

    private static OkHttpClient okHttpClient = null;

    public OkHttp3Utils() {
    }

    //通過單例模式獲取實例
    public static OkHttpClient getInstance() {

        if (okHttpClient == null) {
            //同步代碼
            synchronized (OkHttp3Utils.class) {
                if (okHttpClient == null) {
                    //緩存路徑
                    File sdcache = new File(Environment.getExternalStorageDirectory(), "wybcache");
                    int cacheSize = 10 * 1024 * 1024;
                    //okhttp攔截器
                    HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
                        @Override
                        public void log(String message) {
                            Log.i("msg", message.toString());
                        }
                    });
                    //攔截器日誌分類
                    httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
                    okHttpClient = new OkHttpClient.Builder().connectTimeout(15, TimeUnit.MINUTES)
                            .addInterceptor(httpLoggingInterceptor)
                            ..addNetworkInterceptor(new CacheInterceptor())
                            //如果網絡攔截器   一下要註釋掉
                            //.cache(new Cache(sdcache.getAbsoluteFile(), cacheSize))
                            .build();
                }
            }
        }
        return okHttpClient;
    }

    /**
     * get請求方式
     *
     * @param url      請求地址
     * @param callback 回調接口
     */
    public static void doGet(String url, Callback callback) {
        //獲取請求對象的實例
        OkHttpClient okHttpClient = OkHttp3Utils.getInstance();
        //創建Request
        Request request = new Request.Builder().url(url).build();
        //得到Call
        Call call = okHttpClient.newCall(request);
        //執行異步請求
        call.enqueue(callback);
    }

    public static void doGetHeader(String url,Map<String,String> headers, Callback callback) {
        //獲取請求對象的實例
        OkHttpClient okHttpClient = OkHttp3Utils.getInstance();
        //創建Request
        Request.Builder builder = new Request.Builder();
        builder.url(url);
        for (String header:headers.keySet())
        {
            builder.addHeader(header,headers.get(header));
        }
        Request request=builder.build();
        //得到Call
        Call call = okHttpClient.newCall(request);
        //執行異步請求
        call.enqueue(callback);
    }
    /**
     * post請求方式
     *
     * @param url      請求地址
     * @param params   請求體
     * @param callback 接口回調
     */
    public static void doPost(String url, Map<String, String> params, Callback callback) {
        //獲取請求對象的實例
        OkHttpClient okHttpClient = OkHttp3Utils.getInstance();
        //3.x版本post請求換成FormBody 封裝鍵值對參數
        FormBody.Builder builder = new FormBody.Builder();
        //遍歷map集合給請求體添加值
        for (String key : params.keySet()) {
            builder.add(key, params.get(key));
        }
        //創建Request
        Request request = new Request.Builder().url(url).post(builder.build()).build();
        //獲取call
        Call call = okHttpClient.newCall(request);
        //異步請求
        call.enqueue(callback);
    }
    public static void doPostHeader(String url,Map<String,String> headers, Map<String, String> params, Callback callback) {
        //獲取請求對象的實例
        OkHttpClient okHttpClient = OkHttp3Utils.getInstance();
        //3.x版本post請求換成FormBody 封裝鍵值對參數
        FormBody.Builder builder = new FormBody.Builder();
        //遍歷map集合給請求體添加值
        for (String key : params.keySet()) {
            builder.add(key, params.get(key));
        }
        //創建Request
        //創建Request
        Request.Builder builder1 = new Request.Builder();
        builder1.url(url);
        for (String header:headers.keySet())
        {
            builder1.addHeader(header,headers.get(header));
        }
        Request request = builder1.post(builder.build()).build();
        //獲取call
        Call call = okHttpClient.newCall(request);
        //異步請求
        call.enqueue(callback);
    }
    /**
     * 上傳文件
     *
     * @param url      接口地址
     * @param file     文件
     * @param fileName 文件名
     */
    public static void loadFile(String url, File file, String fileName,Callback callback) {
        //創建OkHttpClient請求對象
        OkHttpClient okHttpClient = getInstance();
        //創建RequestBody 封裝file參數
        RequestBody fileBody = RequestBody.create(MediaType.parse("application/octet-stream"), file);
        //創建RequestBody 設置類型等
        RequestBody requestBody = new MultipartBody.Builder().setType(MultipartBody.FORM).addFormDataPart("file", fileName, fileBody).build();
        //創建Request
        Request request = new Request.Builder().url(url).post(requestBody).build();

        Call call = okHttpClient.newCall(request);
        call.enqueue(callback);
    }

	  /**
     * post請求上傳文件
     * 參數1 url
     * 參數2 回調Callback
     */
    public static void uploadPic(String url, Map<String, Object> params,Callback callback) {
        //創建OkHttpClient請求對象
        OkHttpClient okHttpClient = getInstance();
        //創建MultipartBody.Builder
        MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM);
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            Object value = entry.getValue();
            if (value instanceof File) {
                File file = (File) value;
                //創建RequestBody 封裝file參數
                builder.addFormDataPart(entry.getKey(), file.getName(), RequestBody.create(MediaType.parse("application/octet-stream"), file));
            } else {
                builder.addFormDataPart(entry.getKey(), value.toString());
            }
        }
        //創建RequestBody 設置類型等
        RequestBody requestBody = builder.build();
        //創建Request
        Request request = new Request.Builder().url(url).post(requestBody).build();
        //得到Call
        Call call = okHttpClient.newCall(request);
        //執行請求
       call.enqueue(callback);
    }
    /**
     * 上傳json字符
     *
     * @param url        接口地址
     * @param jsonParams Json串
     * @param callback   接口回調
     */
    public static void doPostJson(String url, String jsonParams, Callback callback) {
        RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonParams);
        Request request = new Request.Builder().url(url).post(requestBody).build();
        Call call = getInstance().newCall(request);
        call.enqueue(callback);
    }

    /**
     * 下載
     *
     * @param context
     * @param url     下載地址
     * @param saveDir 保存的位置
     */
    public static void downFile(final Activity context, final String url, final String saveDir) {

        //創建Request
        Request request = new Request.Builder().url(url).build();
        //創建Call
        Call call = getInstance().newCall(request);
        //同步
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.i("xxx", e.toString());
            }

            @Override
            public void onResponse(Call call, final Response response) throws IOException {
                InputStream is = null;
                byte[] buf = new byte[2048];
                int len = 0;
                FileOutputStream fos = null;
                try {
                    is = response.body().byteStream();
                    //apk保存路徑
                    final String fileDir = isExistDir(saveDir);
                    //文件
                    File file = new File(fileDir, getNameFromUrl(url));
                    context.runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(context, "下載成功:" + fileDir + "," + getNameFromUrl(url), Toast.LENGTH_SHORT).show();
                        }
                    });
                    fos = new FileOutputStream(file);
                    while ((len = is.read(buf)) != -1) {
                        fos.write(buf, 0, len);
                    }

                    fos.flush();
                    //apk下載完成後 調用系統的安裝方法
                    Intent intent = new Intent(Intent.ACTION_VIEW);
                    intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
                    context.startActivity(intent);
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    if (is != null) is.close();
                    if (fos != null) fos.close();
                }
            }
        });
    }

    /**
     * @param saveDir
     * @return
     * @throws IOException 判斷下載目錄是否存在
     */
    public static String isExistDir(String saveDir) throws IOException {
        // 下載位置
        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {

            File downloadFile = new File(Environment.getExternalStorageDirectory(), saveDir);
            if (!downloadFile.mkdirs()) {
                downloadFile.createNewFile();
            }
            String savePath = downloadFile.getAbsolutePath();
            Log.e("savePath", savePath);
            return savePath;
        }
        return null;
    }

    /**
     * @param url
     * @return 從下載連接中解析出文件名
     */
    private static String getNameFromUrl(String url) {
        return url.substring(url.lastIndexOf("/") + 1);
    }


    /**
     * 爲okhttp添加緩存，這裏是考慮到服務器不支持緩存時，從而讓okhttp支持緩存
     */
    private static class CacheInterceptor implements Interceptor {
        @Override
        public Response intercept(Chain chain) throws IOException {
            // 有網絡時 設置緩存超時時間1個小時
            int maxAge = 60 * 60;
            // 無網絡時，設置超時爲1天
            int maxStale = 60 * 60 * 24;
            Request request = chain.request();
            if (NetWorkUtils.isNetWorkAvailable(MyApp.getInstance())) {
                //有網絡時只從網絡獲取
                request = request.newBuilder().cacheControl(CacheControl.FORCE_NETWORK).build();
            } else {
                //無網絡時只從緩存中讀取
                request = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();
               /* Looper.prepare();
                Toast.makeText(MyApp.getInstance(), "走攔截器緩存", Toast.LENGTH_SHORT).show();
                Looper.loop();*/
            }
            Response response = chain.proceed(request);
            if (NetWorkUtils.isNetWorkAvailable(MyApp.getInstance())) {
                response = response.newBuilder()
                        .removeHeader("Pragma")
                        .header("Cache-Control", "public, max-age=" + maxAge)
                        .build();
            } else {
                response = response.newBuilder()
                        .removeHeader("Pragma")
                        .header("Cache-Control", "public, only-if-cached, max-stale=" + maxStale)
                        .build();
            }
            return response;
        }
    }
}

判斷網絡工具類

//判斷網絡工具類
public class NetWorkUtils {
    //判斷網絡是否連接
    public static boolean isNetWorkAvailable(Context context) {
        //網絡連接管理器
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        //網絡信息
        NetworkInfo info = connectivityManager.getActiveNetworkInfo();
        if (info != null) {
            return true;
        }
        return false;
    }
}

全局配置

//全局配置
public class MyApp extends Application {
    public static MyApp mInstance;
    @Override
    public void onCreate() {
        super.onCreate();
        mInstance = this;

    }
    public static MyApp getInstance() {
        return mInstance;
    }
}

//注意清單文件
//權限   
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<application
        android:name=".app.MyApp"
        ...
        </application>