OkHttp使用手冊

jar包的下載地址

http://repo1.maven.org/maven2/com/squareup/okhttp3/okhttp/3.2.0/okhttp-3.2.0.jar

gradle:

compile 'com.squareup.okhttp3:okhttp:3.2.0'

public class MainActivity extends Activity implements initHelper, View.OnClickListener {

    private static final String TAG = "OK_HTTP";

    private Button getButton;
    private Button postButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initView(null);
        initData();
    }

    @Override
    public void initView(View view) {
        getButton = (Button) this.findViewById(R.id.ok_get);
        getButton.setOnClickListener(this);
        postButton = (Button) this.findViewById(R.id.ok_post);
        postButton.setOnClickListener(this);
    }

    @Override
    public void initData() {

    }

    @Override
    public void setData() {

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.ok_get:
                getDataByGet("url");
                break;
            case R.id.ok_post:
                break;
            default:
                break;
        }
    }

    public void getDataByGet(final String path) {
        new Thread() {
            @Override
            public void run() {
                OkHttpClient client = new OkHttpClient();
                Request request = new Request.Builder().url(path).build();
                try {
                    Response response = client.newCall(request).execute();
                    boolean success = response.isSuccessful();
                    if (success) {
                        ResponseBody body = response.body();
                        String content = body.string();
                        Log.i(TAG, "content:" + content);
                    } else {
                        int code = response.code();
                        Log.i(TAG, "code:" + code + ",response" + response.message());
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

    //提交字符串類型的參數(包括JSON)
    public void getDataByPostString(final String path) {

        new Thread() {
            @Override
            public void run() {
                OkHttpClient client = new OkHttpClient();
                MediaType JSON = MediaType.parse("application/json;charset=utf-8");

                //第二個參數可以使json字符串或者String類型的
                //create()方法可以傳遞String ,Json,byte[],File等
                RequestBody params = RequestBody.create(JSON, "");
                Request request = new Request.Builder().url(path).post(params).build();
                try {
                    Response response = client.newCall(request).execute();
                    if (response.isSuccessful()) {
                        ResponseBody body = response.body();
                        String content = body.string();
                    } else {
                        int code = response.code();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

    //提交鍵值對
    public void getDataByPostMap(final String path) {
        new Thread() {
            @Override
            public void run() {
                OkHttpClient client = new OkHttpClient();
                //鍵值對 3.x之前是FormEncodingBuilder而非FormBody
                RequestBody map = new FormBody.Builder()
                        .add("id", "admin")
                        .add("user", "admin")
                        .build();
                Request request = new Request.Builder().url(path).post(map).build();
                try {
                    Response response = client.newCall(request).execute();
                    if (response.isSuccessful()) {
                        ResponseBody body = response.body();
                        String content = body.string();
                    } else {
                        int code = response.code();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

    //提交File
    public void uploadFile(final String path, final File file) {
        new Thread() {
            @Override
            public void run() {
                OkHttpClient client = new OkHttpClient();
                MediaType type = MediaType.parse("application/text;charset=utf-8");
                RequestBody fileBody = RequestBody.create(type, file);
                Request request = new Request.Builder().url(path).post(fileBody).build();
                try {
                    Response response = client.newCall(request).execute();
                    if (response.isSuccessful()) {
                        ResponseBody body = response.body();
                        String content = body.string();
                    } else {
                        int code = response.code();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

    public void setOKHttp() {
        OkHttpClient.Builder builder = new OkHttpClient.Builder();

        //設置緩存
        File path = new File("");//緩存的路徑
        int cacheSize = 10 * 1024 * 1024;//緩存的大小
        Cache cache = new Cache(path, cacheSize);
        builder.cache(cache);

        //設置超時,第二個參數爲單位
        builder.connectTimeout(5, TimeUnit.SECONDS);//連接超時
        builder.readTimeout(5, TimeUnit.SECONDS);//讀超時
        builder.writeTimeout(10, TimeUnit.SECONDS);//寫超時

        OkHttpClient client = builder.build();
        Request request = new Request.Builder().url("").build();
        Call call = client.newCall(request);
        //call.execute();
        //取消請求
        call.cancel();
    }
}