Android Okhttp请求网络访问URL

最新推荐文章于 2024-07-16 17:31:45 发布

原创最新推荐文章于 2024-07-16 17:31:45 发布 · 736 阅读

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本文详细介绍了如何在Android应用中使用Okhttp库来发起网络请求，包括配置Okhttp客户端，创建请求对象，发送GET和POST请求，以及处理响应数据。通过实例展示了Okhttp的强大功能和高效性能。

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public class MainActivity extends AppCompatActivity {

private String base_url="http://api.immedc.com/restapi";
private String getToken="/account/createNew";
private String getLive="/live/getLive";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

OkHttpUtils.post().url(base_url+getToken)
.addParams("device", Build.DEVICE)
.addParams("deviceKey",getDeviceKey())
.addParams("sdkVersion",String.valueOf(Build.VERSION.SDK_INT))
.addParams("brand",Build.BRAND)
.addParams("product",Build.PRODUCT)
.build().execute(new StringCallback() {
@Override
public void onError(Call call, Exception e, int id) {
Log.i("TagA","e:"+e.getMessage());
}

@Override
public void onResponse(String response, int id) {
Log.i("TagA","response:"+response);
try {
JSONObject jsonObject=new JSONObject(response);
JSONObject data=jsonObject.getJSONObject("data");
String token=data.getString("accessToken");
Log.i("TagA","token:"+token);

OkHttpUtils.get().url(base_url+getLive)
.addHeader("CH-Token",token)
.addParams("liveId","140")
.build().execute(new StringCallback() {
@Override
public void onError(Call call, Exception e, int id) {
Log.i("TagA","e:"+e.getMessage());
}

@Override
public void onResponse(String response, int id) {
Log.i("TagA","response:"+response);

}
});

} catch (JSONException e) {
e.printStackTrace();
}

}
});
}

public static String md5(String string) {
if (TextUtils.isEmpty(string)) {
return "";
}
MessageDigest md5 = null;
try {
md5 = MessageDigest.getInstance("MD5");
byte[] bytes = md5.digest(string.getBytes());
String result = "";
for (byte b : bytes) {
String temp = Integer.toHexString(b & 0xff);
if (temp.length() == 1) {
temp = "0" + temp;
}
result += temp;
}
return result;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}

private String getDeviceKey() {
String deviceKey = null;
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
deviceKey = tm.getSimSerialNumber();
deviceKey = md5(deviceKey);
return deviceKey;
}

}