Chilkat Examples

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Android™ Web API Examples

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(Android™) Azure REST API Access Token

Demonstrates how to request an Azure REST API OAUTH2 access token.

Note: In order to access resources a Service Principal needs to be created in your Tenant. It is really convenient to do it via AZ CLI:

az ad sp create-for-rbac --name [APP_NAME] --password [CLIENT_SECRET]

Chilkat Android™ Downloads

Android™ Java Libraries

Android C/C++ Libraries

// 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);

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

    CkRest rest = new CkRest();

    // URL: https://login.microsoftonline.com/TENANT_ID/oauth2/token
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    boolean success = rest.Connect("login.microsoftonline.com",port,bTls,bAutoReconnect);
    if (success != true) {
        Log.i(TAG, "ConnectFailReason: " + String.valueOf(rest.get_ConnectFailReason()));
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // Add query params to the request.
    rest.AddQueryParam("grant_type","client_credentials");
    rest.AddQueryParam("client_id","APP_ID");
    rest.AddQueryParam("client_secret","CLIENT_SECRET");
    rest.AddQueryParam("resource","https://management.azure.com/");

    String strResponseBody = rest.fullRequestFormUrlEncoded("POST","/TENANT_ID/oauth2/token");
    if (rest.get_LastMethodSuccess() != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
        Log.i(TAG, "Response Header:");
        Log.i(TAG, rest.responseHeader());
        Log.i(TAG, "Response Body:");
        Log.i(TAG, strResponseBody);
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.Load(strResponseBody);
    json.put_EmitCompact(false);
    Log.i(TAG, json.emit());

    // The result is an access token such as the following:

    // {
    //   "token_type": "Bearer",
    //   "expires_in": "3600",
    //   "ext_expires_in": "3600",
    //   "expires_on": "1557864616",
    //   "not_before": "1557860716",
    //   "resource": "https://management.azure.com/",
    //   "access_token": "eyJ0eXAiOiJKV1QiL ... 20UFDDOHEyUg"
    // }

    // We'll save this JSON to a file for other examples to use..
    json.WriteFile("qa_data/tokens/azureToken.json");

  }

  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."
  }
}

 

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