(Android™) AI: Simple Stateless Streaming Response

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Note: This example requires Chilkat v11.2.0 or greater.

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// 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;

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

    CkAi ai = new CkAi();

    // The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
    // Support for additional providers will be added in future versions of Chilkat.
    ai.put_Provider("openai");

    // Use your provider's API key.
    ai.put_ApiKey("MY_API_KEY");

    // Choose a model.
    ai.put_Model("gpt-4o");

    // Indicate streaming mode is to be used.
    ai.put_Streaming(true);

    // Add a text input.
    ai.InputAddText("Write a detailed story about a turtle who decides to run a bakery.  Describe the setting, the kinds of pastries, how the turtle feels, and include at least three paragraphs.");

    // Ask the AI for text output.
    success = ai.Ask("text");
    if (success == false) {
        Log.i(TAG, ai.lastErrorText());
        return;
        }

    CkStringBuilder sbEventName = new CkStringBuilder();
    CkStringBuilder sbDelta = new CkStringBuilder();
    CkStringBuilder sbFullResponse = new CkStringBuilder();
    boolean finished = false;
    boolean abortFlag = false;
    int maxWaitMs = 5000;

    while (!finished) {

        int result = ai.PollAi(abortFlag);
        if (result == 1) {
            // We have output waiting.  It should be instantly available.  The maxWaitMs is just-in-case.
            success = ai.NextAiEvent(maxWaitMs,sbEventName,sbDelta);
            if (success == false) {
                Log.i(TAG, ai.lastErrorText());
                return;
                }

            // Some AI providers send many "empty" events.  Just ignore them.
            if (!sbEventName.ContentsEqual("empty",true)) {
                // Log the non-empty events.
                Log.i(TAG, sbEventName.getAsString());

                // The delta contains the new output.  This could be emitted to a display or the terminal
                // as real-time output.
                if (sbEventName.ContentsEqual("delta",true)) {
                    Log.i(TAG, sbDelta.getAsString());

                    // Accumulate the delta's so we can show the full response later.
                    sbFullResponse.AppendSb(sbDelta);
                    }
                else {
                    // A streaming AI response is always terminated by a single "null_terminator" event.
                    finished = sbEventName.ContentsEqual("null_terminator",true);
                    }

                }

            }
        else {
            if (result == 0) {
                // Nothing is immediately available. Sleep for 1/10 of a second before polling again.
                ai.SleepMs(100);
                }
            else {
                // Something failed..
                Log.i(TAG, ai.lastErrorText());
                finished = true;
                }

            }

        }

    // Show the accumulated (full) response.
    Log.i(TAG, "----");
    Log.i(TAG, sbFullResponse.getAsString());

    // -------------------------------------------------------------
    // The response is in markdown format.
    // Also see Markdown to HTML Conversion Examples.
    // -------------------------------------------------------------

  }

  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."
  }
}