How to generate images using Open AI ChatGPT Dalle RestAPIs in your Android App?

This video shows the steps to use Open AI ChatGPT Dall-e RestAPIs to generate the images as per the prompt by the user of your Android App.

It refers to the curl commands provided in the below URLs:
https://openai.com/blog/dall-e-api-now-available-in-public-beta
https://platform.openai.com/docs/api-reference/images/create

I hope you like this video. For any questions, suggestions or appreciation please contact us at: https://programmerworld.co/contact/ or email at: programmerworld1990@gmail.com

Complete source code and other details:

package com.programmerworld.aiimageusingchatgptdalle;

import androidx.appcompat.app.AppCompatActivity;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;

import com.android.volley.AuthFailureError;
import com.android.volley.DefaultRetryPolicy;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.RetryPolicy;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

public class MainActivity extends AppCompatActivity {

    private ImageView imageView;
    private EditText editText;
    private TextView textView;
    private String stringURLEndPoint = "https://api.openai.com/v1/images/generations";
    private String stringAPIKey = "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";
    private String stringOutput = "https://oaidalleapiprodscus.blob.core.windows.net/private/org-7vaCBBIvQdn5T6iXJ5d9rMCK/user-TuzNiGDDYMyNRWmuNsBV0Wc7/img-cimO4tIniv2MuvgI6GBIYOYB.png?st=2023-09-23T08%3A26%3A40Z&se=2023-09-23T10%3A26%3A40Z&sp=r&sv=2021-08-06&sr=b&rscd=inline&rsct=image/png&skoid=6aaadede-4fb3-4698-a8f6-684d7786b067&sktid=a48cca56-e6da-484e-a814-9c849652bcb3&skt=2023-09-22T22%3A41%3A54Z&ske=2023-09-23T22%3A41%3A54Z&sks=b&skv=2021-08-06&sig=T%2Bt87bUWUEWBRmGMLoqNH4fIgOIvEwDN5KHUogVS%2BLQ%3D";
    private Bitmap bitmapOutputImage;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        imageView = findViewById(R.id.imageView);
        editText = findViewById(R.id.editText);
        textView = findViewById(R.id.textView);
    }

    public void buttonGenerateAIImage(View view){
        String stringInputText = editText.getText().toString();
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("prompt", stringInputText);
        } catch (JSONException e) {
            throw new RuntimeException(e);
        }
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST,
                stringURLEndPoint,
                jsonObject,
                new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            stringOutput = response
                                    .getJSONArray("data")
                                    .getJSONObject(0)
                                    .getString("url");
                            textView.setText(stringOutput);
                        } catch (JSONException e) {
                            throw new RuntimeException(e);
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        textView.setText("ERROR");
                    }
                }
        ){
            @Override
            public Map<String, String> getHeaders() throws AuthFailureError {

                Map<String, String> mapHeader = new HashMap<>();
                mapHeader.put("Authorization", "Bearer "+stringAPIKey);
                mapHeader.put("Content-Type", "application/json");

                return mapHeader;
            }
        };
        int intTimeOutPeriod = 60000; // 60 seconds
        RetryPolicy retryPolicy = new DefaultRetryPolicy(intTimeOutPeriod,
                DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
                DefaultRetryPolicy.DEFAULT_BACKOFF_MULT);
        jsonObjectRequest.setRetryPolicy(retryPolicy);

        Volley.newRequestQueue(getApplicationContext()).add(jsonObjectRequest);
    }

    public void buttonShowImage(View view){
        textView.setText("Thread is in process");

        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    URL url = new URL(stringOutput);
                    bitmapOutputImage = BitmapFactory.decodeStream(url.openStream());
                } catch (MalformedURLException e) {
                    throw new RuntimeException(e);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        });
        thread.start();
        while (thread.isAlive()){
            textView.setText("Thread is in process");
        }
        Bitmap bitmapFinalImage = Bitmap.createScaledBitmap(bitmapOutputImage,
                imageView.getWidth()
                ,imageView.getHeight(),
                true);
        imageView.setImageBitmap(bitmapFinalImage);
        textView.setText("Image Generation SUCCESSFUL!!!");
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.AIImageUsingChatGPTDalle"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

plugins {
    id("com.android.application")
}

android {
    namespace = "com.programmerworld.aiimageusingchatgptdalle"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.programmerworld.aiimageusingchatgptdalle"
        minSdk = 34
        targetSdk = 34
        versionCode = 1
        versionName = "1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.9.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")

    implementation("com.android.volley:volley:1.2.1")

}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.331" />

    <EditText
        android:id="@+id/editText"
        android:layout_width="334dp"
        android:layout_height="69dp"
        android:layout_marginStart="42dp"
        android:layout_marginTop="24dp"
        android:ems="10"
        android:hint="Input Text here ..."
        android:inputType="text"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="46dp"
        android:layout_marginTop="31dp"
        android:onClick="buttonGenerateAIImage"
        android:text="Generate AI image"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editText" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="20dp"
        android:layout_marginTop="28dp"
        android:onClick="buttonShowImage"
        android:text="Show Image"
        app:layout_constraintStart_toEndOf="@+id/button"
        app:layout_constraintTop_toBottomOf="@+id/editText" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="315dp"
        android:layout_height="279dp"
        android:layout_marginStart="45dp"
        android:layout_marginTop="64dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView"
        app:srcCompat="@drawable/ic_launcher_background" />

</androidx.constraintlayout.widget.ConstraintLayout>

Screenshots:

Prompt: “Mountain with rising sun”

Prompt: White Tiger

Sample output image URL:

Prompt: Baby Horse

https://oaidalleapiprodscus.blob.core.windows.net/private/org-7vaCBBIvQdn5T6iXJ5d9rMCK/user-TuzNiGDDYMyNRWmuNsBV0Wc7/img-cimO4tIniv2MuvgI6GBIYOYB.png?st=2023-09-23T08%3A26%3A40Z&se=2023-09-23T10%3A26%3A40Z&sp=r&sv=2021-08-06&sr=b&rscd=inline&rsct=image/png&skoid=6aaadede-4fb3-4698-a8f6-684d7786b067&sktid=a48cca56-e6da-484e-a814-9c849652bcb3&skt=2023-09-22T22%3A41%3A54Z&ske=2023-09-23T22%3A41%3A54Z&sks=b&skv=2021-08-06&sig=T%2Bt87bUWUEWBRmGMLoqNH4fIgOIvEwDN5KHUogVS%2BLQ%3D

CURL Command reference:

https://platform.openai.com/docs/api-reference/images/create

curl https://api.openai.com/v1/images/generations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -d '{
    "prompt": "A cute baby sea otter",
    "n": 2,
    "size": "1024x1024"
  }'

{
  "created": 1589478378,
  "data": [
    {
      "url": "https://..."
    },
    {
      "url": "https://..."
    }
  ]
}

https://openai.com/blog/dall-e-api-now-available-in-public-beta

#generations
curl https://api.openai.com/v1/images/generations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -d '{
    "prompt": "a photo of a happy corgi puppy sitting and facing forward, studio light, longshot",
    "n":1,
    "size":"1024x1024"
   }'

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