Android™

WhatsApp - First Login

Log in the very first time to get your authentication token. The new login/password is passed in the JSON body of the request. Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    //  Implements the following CURL command:

    //  curl -k -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
    //    -H 'Content-Type: application/json' \
    //    --user 'admin:secret' \
    //    -d '{"new_password" : "new-password"}'

    http.put_Login("admin");
    http.put_Password("secret");

    //  The following JSON is sent in the request body.

    //  {
    //    "new_password": "new-password"
    //  }

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("new_password","new-password");

    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpJson("POST","https://your-webapp-hostname:your-webapp-port/v1/users/login",json,"application/json",resp);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);
    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    Log.i(TAG, "Response Body:");
    Log.i(TAG, jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Header:");
        Log.i(TAG, resp.header());
        Log.i(TAG, "Failed.");
        return;
        }

    //  Sample JSON response:
    //  (Sample code for parsing the JSON response is shown below)

    //  {
    //    "users": [
    //      {
    //        "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo",
    //        "expires_after": "2018-03-01 15:29:26+00:00"
    //      }
    //    ]
    //  }

    //  Sample code for parsing the JSON response...

    String token;
    String expires_after;

    int i = 0;
    int count_i = jResp.SizeOfArray("users");
    while (i < count_i) {
        jResp.put_I(i);
        token = jResp.stringOf("users[i].token");
        expires_after = jResp.stringOf("users[i].expires_after");
        i = i + 1;
        }


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}