Android™

Firebase JSON Put and Patch

See more JSON Examples

Demonstrates how to apply Firebase put and patch events to a JSON database. 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);

    String json1 = "{\"a\": 1, \"b\": 2}";

    CkJsonObject json = new CkJsonObject();

    // Use Firebase delimiters for JSON paths.
    json.put_DelimiterChar("/");

    json.Load(json1);
    json.FirebasePut("/c","{\"foo\": true, \"bar\": false}");
    // Output should be: {"a":1,"b":2,"c":{"foo":true,"bar":false}}
    Log.i(TAG, "1) " + json.emit());

    json.FirebasePut("/c","\"hello world\"");
    // Output should be: {"a":1,"b":2,"c":"hello world"}
    Log.i(TAG, "2) " + json.emit());

    json.FirebasePut("/c","{\"foo\": \"abc\", \"bar\": 123}");
    // Output should be: {"a":1,"b":2,"c":{"foo":"abc","bar":123}}
    Log.i(TAG, "3) " + json.emit());

    // Back to the original..
    json.FirebasePut("/","{\"a\": 1, \"b\": 2}");
    Log.i(TAG, "4) " + json.emit());

    json.FirebasePut("/c","{\"foo\": true, \"bar\": false}");
    json.FirebasePatch("/c","{\"foo\": 3, \"baz\": 4}");
    // Output should be: {"a":1,"b":2,"c":{"foo":3,"bar":false,"baz":4}}
    Log.i(TAG, "5) " + json.emit());

    json.FirebasePatch("/c","{\"foo\": \"abc123\", \"baz\": {\"foo\": true, \"bar\": false}, \"bax\": {\"foo\": 200, \"bar\": 400} }");
    // Output should be: {"a":1,"b":2,"c":{"foo":"abc123","bar":false,"baz":{"foo":true,"bar":false},"bax":{"foo":200,"bar":400}}}
    Log.i(TAG, "6) " + 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."
  }
}