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README
Apache-2.0

okhttp-utils

对okhttp的封装类,okhttp见:https://github.com/square/okhttp.

用法

  • Android Studio

    使用前,对于Android Studio的用户,可以选择添加:

     compile project(':okhttputils')

    或者

     compile 'com.zhy:okhttputils:2.2.0'
  • Eclipse

    自行copy源码。

注意

目前最新版本取消了依赖Gson,提供了自定Callback,可以按照下面的方式,自行解析返回结果:

public abstract class UserCallback extends Callback<User>
{
	//非UI线程,支持任何耗时操作
    @Override
    public User parseNetworkResponse(Response response) throws IOException
    {
        String string = response.body().string();
        User user = new Gson().fromJson(string, User.class);
        return user;
    }
}

##目前支持

  • 一般的get请求
  • 一般的post请求
  • 基于Http Post的文件上传(类似表单)
  • 文件下载/加载图片
  • 上传下载的进度回调
  • 支持session的保持
  • 支持自签名网站https的访问,提供方法设置下证书就行
  • 支持取消某个请求
  • 支持自定义Callback

##用法示例

GET请求

String url = "http://www.csdn.net/";
OkHttpUtils
    .get()
    .url(url)
    .addParams("username", "hyman")
    .addParams("password", "123")
    .build()
    .execute(new StringCallback()
	        {
	            @Override
	            public void onError(Request request, Exception e)
	            {
	                
	            }
	
	            @Override
	            public void onResponse(String response)
	            {
	
	            }
	        });

POST请求

 OkHttpUtils
    .post()
    .url(url)
    .addParams("username", "hyman")
    .addParams("password", "123")
    .build()
    .execute(callback);

Post String

  OkHttpUtils
    .postString()
    .url(url)
    .content(new Gson().toJson(new User("zhy", "123")))
    .build()
    .execute(new MyStringCallback());

提交一个Gson字符串到服务器端。

Post File

 OkHttpUtils
	.postFile()
	.url(url)
	.file(file)
	.build()
	.execute(new MyStringCallback());

将文件作为请求体,发送到服务器。

Post表单形式上传文件

OkHttpUtils.post()//
    .addFile("mFile", "messenger_01.png", file)//
    .addFile("mFile", "test1.txt", file2)//
    .url(url)
    .params(params)//
    .headers(headers)//
    .build()//
    .execute(new MyStringCallback());

支持单个多个文件,addFile的第一个参数为文件的key,即类别表单中<input type="file" name="mFile"/>的name属性。

自定义CallBack

目前内部包含StringCallBack,FileCallBack,BitmapCallback,可以根据自己的需求去自定义Callback,例如希望回调User对象:

public abstract class UserCallback extends Callback<User>
{
    @Override
    public User parseNetworkResponse(Response response) throws IOException
    {
        String string = response.body().string();
        User user = new Gson().fromJson(string, User.class);
        return user;
    }
}

 OkHttpUtils
    .get()//
    .url(url)//
    .addParams("username", "hyman")//
    .addParams("password", "123")//
    .build()//
    .execute(new UserCallback()
    {
        @Override
        public void onError(Request request, Exception e)
        {
            mTv.setText("onError:" + e.getMessage());
        }

        @Override
        public void onResponse(User response)
        {
            mTv.setText("onResponse:" + response.username);
        }
    });

通过parseNetworkResponse 回调的response进行解析,该方法运行在子线程,所以可以进行任何耗时操作,详细参见sample。

下载文件

 OkHttpUtils//
	.get()//
	.url(url)//
	.build()//
	.execute(new FileCallBack(Environment.getExternalStorageDirectory().getAbsolutePath(), "gson-2.2.1.jar")//
	{
	    @Override
	    public void inProgress(float progress)
	    {
	        mProgressBar.setProgress((int) (100 * progress));
	    }
	
	    @Override
	    public void onError(Request request, Exception e)
	    {
	        Log.e(TAG, "onError :" + e.getMessage());
	    }
	
	    @Override
	    public void onResponse(File file)
	    {
	        Log.e(TAG, "onResponse :" + file.getAbsolutePath());
	    }
	});

注意下载文件可以使用FileCallback,需要传入文件需要保存的文件夹以及文件名。

显示图片

 OkHttpUtils
    .get()//
    .url(url)//
    .build()//
    .execute(new BitmapCallback()
    {
        @Override
        public void onError(Request request, Exception e)
        {
            mTv.setText("onError:" + e.getMessage());
        }

        @Override
        public void onResponse(Bitmap bitmap)
        {
            mImageView.setImageBitmap(bitmap);
        }
    });

显示图片,回调传入BitmapCallback即可。

上传下载的进度显示

new Callback<T>()
{
    //...
    @Override
    public void inProgress(float progress)
    {
       //use progress: 0 ~ 1
    }
}

callback回调中有inProgress 方法,直接复写即可。

同步的请求

 Response response = OkHttpUtils
    .get()//
    .url(url)//
    .tag(this)//
    .build()//
    .execute();

execute方法不传入callback即为同步的请求,返回Response。

配置

全局配置

可以在Application中,通过:

OkHttpClient client = 
OkHttpUtils.getInstance().getOkHttpClient();

然后调用client的各种set方法。

例如:

client.setConnectTimeout(100000, TimeUnit.MILLISECONDS);

为单个请求设置超时

比如涉及到文件的需要设置读写等待时间多一点。

 OkHttpUtils
    .get()//
    .url(url)//
    .tag(this)//
    .build()//
    .connTimeOut(20000)
    .readTimeOut(20000)
    .writeTimeOut(20000)
    .execute()

调用build()之后,可以随即设置各种timeOut.

自签名网站https的访问

非常简单,拿到xxx.cert的证书。

然后调用

OkHttpUtils.getInstance()
		.getHttpsDelegate()
       .setCertificates(inputstream);

建议使用方式,例如我的证书放在assets目录:


/**
 * Created by zhy on 15/8/25.
 */
public class MyApplication extends Application
{
    @Override
    public void onCreate()
    {
        super.onCreate();

        try
        {
            OkHttpClientManager.getInstance()
            			.getHttpsDelegate()
                    .setCertificates(getAssets().open("aaa.cer"),
                            getAssets().open("server.cer"));
        } catch (IOException e)
        {
            e.printStackTrace();
        }
    }
}

即可。别忘了注册Application。

Debug信息

在Application的onCreate方法中通过debug方法开启

 OkHttpUtils.getInstance().debug("testDebug");

取消单个请求

 RequestCall call = OkHttpUtils.get().url(url).build();
 call.cancel();
 

根据tag取消请求

目前对于支持的方法都添加了最后一个参数Object tag,取消则通过 OkHttpUtils.cancelTag(tag)执行。

例如:在Activity中,当Activity销毁取消请求:

OkHttpUtils
    .get()//
    .url(url)//
    .tag(this)//
    .build()//

@Override
protected void onDestroy()
{
    super.onDestroy();
    //可以取消同一个tag的
    OkHttpUtils.cancelTag(this);//取消以Activity.this作为tag的请求
}

比如,当前Activity页面所有的请求以Activity对象作为tag,可以在onDestory里面统一取消。

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简介

okhttp的辅助类 展开 收起
Java
Apache-2.0
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