Android™

JSON: Renaming and Deleting Members

See more JSON Examples

Demonstrates renaming and deleting members. This example uses the following JSON document:

{
   "apple": "red",
   "lime": "green",
   "banana": "yellow",
   "broccoli": "green",
   "strawberry": "red"
}

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();

    success = json.Load("{\"apple\": \"red\",\"lime\": \"green\",\"banana\": \"yellow\",\"broccoli\": \"green\",\"strawberry\": \"red\"}");
    if (success != true) {
        Log.i(TAG, json.lastErrorText());
        return;
        }

    // Rename "lime" to "lemon".
    success = json.Rename("lime","lemon");
    // Change the color to yellow:
    success = json.SetStringOf("lemon","yellow");

    // Rename by index.  Banana is at index 2 (apple is at index 0)
    success = json.RenameAt(2,"bartlett_pear");

    // Delete broccoli by name
    success = json.Delete("broccoli");

    // Delete apple by index.  Apple is at index 0.
    success = json.DeleteAt(0);

    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."
  }
}