(Android™) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

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

    CkHttp http = new CkHttp();

    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json");
    if (success == false) {
        Log.i(TAG, jsonToken.lastErrorText());
        return;
        }

    CkJsonObject jsonMetaData = new CkJsonObject();
    jsonMetaData.UpdateString("contentType","image/jpeg");

    // Adds the "Authorization: Bearer <access_token>" header..
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    http.SetUrlVar("bucket_name","chilkat-bucket-b");
    http.SetUrlVar("object_name","penguins2.jpg");
    String url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}";
    CkHttpResponse resp = http.PText("POST",url,jsonMetaData.emit(),"utf-8","application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    int statusCode = resp.get_StatusCode();
    Log.i(TAG, "response status code = " + String.valueOf(statusCode));

    String sessionUrl = "";

    if (statusCode != 200) {
        Log.i(TAG, resp.bodyStr());
        }
    else {
        // The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
        sessionUrl = resp.getHeaderField("Location");
        Log.i(TAG, "Session URL = " + sessionUrl);
        }


  }

  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."
  }
}