Android™

JSON Insert Empty Array or Object

See more JSON Examples

Demonstrates how to use the UpdateNewArray and UpdateNewObject methods to insert an empty array or object.

Note: The UpdateNewArray an UpdateNewObject methods were introduced in Chilkat v9.5.0.75.

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;

    CkJsonObject json = new CkJsonObject();

    // The following code builds the following JSON, which contains both an empty array and empty object:

    // 	{
    // 	  "abc": {
    // 	    "xyz": [
    // 	      {
    // 	        "Name": "myName",
    // 	        "Description": "description",
    // 	        "ScheduleDefinition": "schedule definition",
    // 	        "ExceptionScheduleDefinition": "",
    // 	        "Attribute": [
    // 	        ],
    // 	        "SomeEmptyObject": {},
    // 	        "token": "token"
    // 	      }
    // 	    ]
    // 	  }
    // 	}

    json.UpdateString("abc.xyz[0].Name","myName");
    json.UpdateString("abc.xyz[0].Description","description");
    json.UpdateString("abc.xyz[0].ScheduleDefinition","schedule definition");
    json.UpdateString("abc.xyz[0].ExceptionScheduleDefinition","");
    json.UpdateNewArray("abc.xyz[0].Attribute");
    json.UpdateNewObject("abc.xyz[0].SomeEmptyObject");
    json.UpdateString("abc.xyz[0].token","token");

    json.put_EmitCompact(false);
    Log.i(TAG, json.emit());

  }

  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."
  }
}