How to run Google’s AI PaLM APIs in your Android App using Java dependencies?

This video shows the steps to use PaLM APIs in your Android App’s Java code.

It refers to the steps mentioned at https://developers.generativeai.google/tutorials/text_java_quickstart

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.googlepalmapi;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

import com.google.ai.generativelanguage.v1beta3.GenerateTextRequest;
import com.google.ai.generativelanguage.v1beta3.GenerateTextResponse;
import com.google.ai.generativelanguage.v1beta3.TextCompletion;
import com.google.ai.generativelanguage.v1beta3.TextPrompt;
import com.google.ai.generativelanguage.v1beta3.TextServiceClient;
import com.google.ai.generativelanguage.v1beta3.TextServiceSettings;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
import com.google.api.gax.rpc.FixedHeaderProvider;
import com.google.api.gax.rpc.TransportChannelProvider;

import java.io.IOException;
import java.util.HashMap;

public class MainActivity extends AppCompatActivity {
    private TextView textView;
    private TextServiceClient client;

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

        textView = findViewById(R.id.textViewOutput);
        HashMap<String, String> headers = new HashMap<>();
        headers.put("x-goog-api-key", "AIzaSyCYT4ITJn2WtVHAFhJgoOAeQfzMRHsUEWE");
        TransportChannelProvider provider = InstantiatingGrpcChannelProvider.newBuilder()
                .setHeaderProvider(FixedHeaderProvider.create(headers))
                .build();
        TextServiceSettings settings = null;
        try {
            settings = TextServiceSettings.newBuilder()
                    .setTransportChannelProvider(provider)
                    .setCredentialsProvider(FixedCredentialsProvider.create(null))
                    .build();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        try {
            client = TextServiceClient.create(settings);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void buttonPaLMAPI(View view){
        TextPrompt prompt = TextPrompt.newBuilder()
                .setText("Some facts about Jupiter")
                .build();
        GenerateTextRequest request = GenerateTextRequest.newBuilder()
                .setModel("models/text-bison-001") // Required, which model to use to generate the result
                .setPrompt(prompt) // Required
                .setTemperature(0.5f) // Optional, controls the randomness of the output
                .setCandidateCount(1) // Optional, the number of generated texts to return
                .build();
        GenerateTextResponse response = client.generateText(request);
        TextCompletion returnedText = response.getCandidatesList().get(0);
        textView.setText(returnedText.getOutput());
    }
}

<?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.GooglePaLMAPI"
        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.googlepalmapi"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.programmerworld.googlepalmapi"
        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
    }

    packaging{
        resources.excludes.add("META-INF/INDEX.LIST")
        resources.excludes.add("META-INF/DEPENDENCIES")
    }

}

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.google.cloud:gapic-google-cloud-ai-generativelanguage-v1beta3-java:0.0.0-SNAPSHOT")
    implementation("io.grpc:grpc-okhttp:1.53.0")
}

pluginManagement {
    repositories {
        google()
        mavenCentral()
        mavenLocal()
        gradlePluginPortal()
    }
}
dependencyResolutionManagement {
    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
    repositories {
        google()
        mavenCentral()
        mavenLocal()
    }
}

rootProject.name = "Google PaLM API"
include(":app")

Installation to mavenLocal steps in Windows command Prompt:

C:\Work\GooglePaLMAPI>set JAVA_HOME=C:\Program Files\Java\jdk-13.0.2

C:\Work\GooglePaLMAPI>echo $JAVA_HOME$
$JAVA_HOME$

C:\Work\GooglePaLMAPI>echo %JAVA_HOME%
C:\Program Files\Java\jdk-13.0.2

C:\Work\GooglePaLMAPI>cd google-cloud-ai-generativelanguage-v1beta3-java

C:\Work\GooglePaLMAPI\google-cloud-ai-generativelanguage-v1beta3-java>gradlew publishToMavenLocal

> Task :gapic-google-cloud-ai-generativelanguage-v1beta3-java:compileJava
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

BUILD SUCCESSFUL in 9s
17 actionable tasks: 17 executed
C:\Work\GooglePaLMAPI\google-cloud-ai-generativelanguage-v1beta3-java>