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implementation 'com.google.cloud:google-cloud-texttospeech:1.0.0'
implementation 'com.google.api-client:google-api-client-android:1.30.10'
implementation 'com.google.http-client:google-http-client-gson:1.30.1'


import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.cloud.texttospeech.v1.AudioConfig;
import com.google.cloud.texttospeech.v1.AudioEncoding;
import com.google.cloud.texttospeech.v1.Input;
import com.google.cloud.texttospeech.v1.SsmlVoiceGender;
import com.google.cloud.texttospeech.v1.SynthesisInput;
import com.google.cloud.texttospeech.v1.SynthesizeSpeechResponse;
import com.google.cloud.texttospeech.v1.TextToSpeechClient;
import com.google.cloud.texttospeech.v1.TextToSpeechSettings;
import com.google.cloud.texttospeech.v1.VoiceSelectionParams;
import java.io.FileInputStream;
import java.io.OutputStream;
import android.media.MediaPlayer;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {
    private TextToSpeechClient textToSpeechClient;

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

        try {
            // Initialize the Text-to-Speech client
            FileInputStream credentialsStream = new FileInputStream("path/to/your/api-key-file.json");
            GoogleCredentials credentials = GoogleCredentials.fromStream(credentialsStream);
            TextToSpeechSettings settings = TextToSpeechSettings.newBuilder()
                .setCredentialsProvider(FixedCredentialsProvider.create(credentials))
                .build();
            textToSpeechClient = TextToSpeechClient.create(settings);

            // Call the Text-to-Speech API
            String text = "Hello, world!";
            SynthesisInput input = SynthesisInput.newBuilder().setText(text).build();
            VoiceSelectionParams voice = VoiceSelectionParams.newBuilder()
                .setLanguageCode("en-US")
                .setSsmlVoiceGender(SsmlVoiceGender.NEUTRAL)
                .build();
            AudioConfig audioConfig = AudioConfig.newBuilder()
                .setAudioEncoding(AudioEncoding.MP3)
                .build();
            SynthesizeSpeechResponse response = textToSpeechClient.synthesizeSpeech(input, voice, audioConfig);

            // Get the audio content and play it
            byte[] audioContents = response.getAudioContent().toByteArray();
            File tempFile = File.createTempFile("tts", "mp3", getCacheDir());
            try (OutputStream os = new FileOutputStream(tempFile)) {
                os.write(audioContents);
            }

            MediaPlayer mediaPlayer = new MediaPlayer();
            mediaPlayer.setDataSource(tempFile.getAbsolutePath());
            mediaPlayer.prepare();
            mediaPlayer.start();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (textToSpeechClient != null) {
            textToSpeechClient.close();
        }
    }
}