Set a Multipart Part Body from a StringBuilder

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Demonstrates Rest.SetMultipartBodySb, which sets the text body of the selected multipart part from a StringBuilder.

// 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;

    CkRest rest = new CkRest();
    boolean bTls = true;
    boolean bAutoReconnect = true;
    success = rest.Connect("example.com",443,bTls,bAutoReconnect);
    if (success == false) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    //  Select the multipart part to build, and set its header fields.
    rest.put_PartSelector("1");
    rest.AddHeader("Content-Disposition","form-data; name=\"field1\"");
    rest.AddHeader("Content-Type","application/json");

    //  Set the text body of the selected part from a StringBuilder.
    CkStringBuilder sbBody = new CkStringBuilder();
    sbBody.Append("{ \"key\": \"value\" }");
    success = rest.SetMultipartBodySb(sbBody);
    if (success == false) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    String responseText = rest.fullRequestMultipart("POST","/api/upload");
    if (rest.get_LastMethodSuccess() == false) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    Log.i(TAG, responseText);

  }

  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."
  }
}