(Android™) OneDrive -- Download Text File to Memory

See more OneDrive Examples

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object.

Note: This example requires Chilkat v9.5.0.97 or greater.

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.

    // This example uses the OAuth client credentials flow.
    // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

    // Use your client ID, client secret, and tenant ID in the following lines
    CkJsonObject json = new CkJsonObject();
    json.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743");
    json.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
    json.UpdateString("scope","https://graph.microsoft.com/.default");
    json.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

    CkHttp http = new CkHttp();
    http.put_AuthToken(json.emit());

    // Sends the following GET request:
    // GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content

    // Make sure to automatically follow redirects
    http.put_FollowRedirects(true);

    // This example will download /Misc/hamlet.xml
    http.SetUrlVar("item_path","Misc/hamlet.xml");
    http.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104");

    CkStringBuilder sbXml = new CkStringBuilder();
    String expectedCharset = "utf-8";
    String url = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content";
    boolean success = http.DownloadSb(url,expectedCharset,sbXml);
    if (http.get_LastMethodSuccess() != true) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    // If the response status code was not 200, then it failed.
    if (http.get_LastStatus() != 200) {
        Log.i(TAG, "Response Status Code = " + String.valueOf(http.get_LastStatus()));
        Log.i(TAG, "Failed.");
        return;
        }

    // If we got here, then the file was successfully downloaded.
    Log.i(TAG, "Download from OneDrive successful.");
    Log.i(TAG, "The file is contained in sbXml.");

  }

  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."
  }
}