TextureView anstatt SurfaceView

Fehlerbehebung in Zeile 61: if (requestCode == REQUEST_PERMISSION) {
davor: if (requestCode == REQUEST_PERMISSIONS) {

app/build.gradle

@@ -25,7 +25,6 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    namespace 'com.example.greenwatch'
 }
 
 dependencies {
@@ -36,10 +35,4 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
-
-    def camerax_version = "1.2.3"
-    implementation "androidx.camera:camera-camera2:${camerax_version}"
-    implementation "androidx.camera:camera-lifecycle:${camerax_version}"
-    implementation "androidx.camera:camera-view:${camerax_version}"
-
 }

app/src/main/AndroidManifest.xml

@@ -1,14 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.greenwatch">
 
-    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
-    <uses-permission android:name="android.permission.CAMERA"/>
-    <uses-permission android:name="android.permission.BLUETOOTH"/>
-    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
-    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
-
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-feature android:name="android.hardware.camera"/>
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.CAMERA" />
 
     <application
         android:allowBackup="true"
@@ -26,9 +25,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
-        <activity android:name=".KameraAktivitaet" />
-
     </application>
 
 </manifest>

app/src/main/java/com/example/greenwatch/AlarmRecorder.java

@@ -0,0 +1,225 @@
+package com.example.greenwatch;
+
+import android.graphics.SurfaceTexture;
+import android.media.MediaCodec;
+import android.media.MediaExtractor;
+import android.media.MediaFormat;
+import android.media.MediaMuxer;
+import android.media.MediaRecorder;
+import android.os.Environment;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class AlarmRecorder {
+    private String videoPath;
+    private String audioPath;
+    private MediaFormat videoFormat;
+    private MediaFormat audioFormat;
+    private MediaExtractor videoExtractor;
+    private MediaExtractor audioExtractor;
+    private Runnable audioRecorderRunnable;
+    private Runnable videoRecorderRunnable;
+    private MediaRecorder videoRecorder;
+    private MediaRecorder audioRecorder;
+    //private SurfaceHolder previewHolder;
+    private Surface surface;
+    private Thread videoThread; // Video-Thread als Instanzvariable
+    private Thread audioThread; // Audio-Thread als Instanzvariable
+
+    public AlarmRecorder(SurfaceTexture surfaceTexture) {
+        audioRecorder = new MediaRecorder();
+        videoRecorder = new MediaRecorder();
+        videoExtractor = new MediaExtractor();
+        audioExtractor = new MediaExtractor();
+        this.surface = new Surface(surfaceTexture);
+    }
+
+    public void startRecording() {
+        createStoragePaths(); //Speicherort und -namen für Audio- und Video-Datei
+
+        audioRecorderRunnable = new AudioRecorder(audioRecorder, audioPath);
+        videoRecorderRunnable = new VideoRecorder(videoRecorder, videoPath, surface);
+        audioThread = new Thread(audioRecorderRunnable);
+        videoThread = new Thread(videoRecorderRunnable);
+
+        //Threads starten
+        videoThread.start();
+        audioThread.start();
+    }
+
+    public void stopRecording() {
+        try {
+            stopVideoRecording();
+            stopAudioRecording();
+
+            waitTillThreadsStopped();
+            File videoFile = new File(videoPath); //Speichere das aufgenommene Video
+            File audioFile = new File(audioPath); //Speichere die aufgenommene Audio
+
+            if (videoFile.exists() && audioFile.exists()) {
+                //Wenn Video- und Audioaufzeichnung gestoppt und abgespeichert sind, beginne mit dem Mergeprozess der beiden
+                mergeVideoWithAudio();
+            }
+        } catch (RuntimeException stopException) {
+            stopException.printStackTrace();
+        }
+    }
+
+    private void createStoragePaths(){
+        //Pfade zum Zwischenspeichern der aufgenommenen Audio und Video-Datei
+        String externalStorageDirectory = Environment.getExternalStorageDirectory().getAbsolutePath();
+        String dcimDirectory = externalStorageDirectory + "/DCIM";
+        videoPath = dcimDirectory + "/video.mp4";
+        audioPath = dcimDirectory + "/audio.mp3";
+    }
+
+    private void stopVideoRecording(){
+        if (videoRecorder != null) {
+            videoRecorder.stop();
+            videoRecorder.release();
+            videoRecorder = null;
+        }
+    }
+
+    private void stopAudioRecording(){
+        if (audioRecorder != null) {
+            audioRecorder.stop();
+            audioRecorder.release();
+            audioRecorder = null;
+        }
+    }
+
+    private void waitTillThreadsStopped(){
+        try {
+            videoThread.join();
+            audioThread.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void mergeVideoWithAudio() {
+        try {
+            setVideoExtractorDataSource(); //extrahieren der Video Datei, die zuvor zwischengespeichert wurde
+            setAudioExtractorDataSource(); //extrahieren der Audio Datei, die zuvor zwischengespeichert wurde
+
+            //Speicherort der später zusammengeführten Datei
+            String outputFilePath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES).getAbsolutePath() + "/merged_video.mp4";
+            //MediaMuxer zum Zusammenführen einer Audio- und einer Videodatei
+            MediaMuxer muxer = new MediaMuxer(outputFilePath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
+            int videoTrack = muxer.addTrack(videoFormat);
+            int audioTrack = muxer.addTrack(audioFormat);
+            muxer.start();
+
+            ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024);
+            MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
+
+            videoExtraction(buffer, videoTrack, bufferInfo, muxer);
+            audioExtraction(buffer, audioTrack, bufferInfo, muxer);
+
+            muxer.stop();
+            muxer.release();
+
+            // Löschen der separaten Video- und Audio-Dateien
+            deleteVideoFile();
+            deleteAudioFile();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void setVideoExtractorDataSource() {
+        try {
+            videoExtractor.setDataSource(videoPath);
+            int videoTrackIndex = getTrackIndex(videoExtractor, "video/");
+            if (videoTrackIndex < 0) {
+                // Video-Track nicht gefunden
+                return;
+            }
+            videoExtractor.selectTrack(videoTrackIndex);
+            videoFormat = videoExtractor.getTrackFormat(videoTrackIndex);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private void setAudioExtractorDataSource() {
+        try {
+            audioExtractor.setDataSource(audioPath);
+            int audioTrackIndex = getTrackIndex(audioExtractor, "audio/");
+            if (audioTrackIndex < 0) {
+                // Audio-Track nicht gefunden
+                return;
+            }
+            audioExtractor.selectTrack(audioTrackIndex);
+            audioFormat = audioExtractor.getTrackFormat(audioTrackIndex);
+
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private int getTrackIndex(MediaExtractor extractor, String mimeType) {
+        int trackCount = extractor.getTrackCount();
+        for (int i = 0; i < trackCount; i++) {
+            MediaFormat format = extractor.getTrackFormat(i);
+            String trackMimeType = format.getString(MediaFormat.KEY_MIME);
+            if (trackMimeType.startsWith(mimeType)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    private void videoExtraction(ByteBuffer buffer, int videoTrack, MediaCodec.BufferInfo bufferInfo, MediaMuxer muxer) {
+        videoExtractor.seekTo(0, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
+        while (true) {
+            int sampleSize = videoExtractor.readSampleData(buffer, 0);
+            if (sampleSize < 0) {
+                break;
+            }
+            long presentationTimeUs = videoExtractor.getSampleTime();
+            bufferInfo.offset = 0;
+            bufferInfo.size = sampleSize;
+            bufferInfo.flags = MediaCodec.BUFFER_FLAG_KEY_FRAME;
+            bufferInfo.presentationTimeUs = presentationTimeUs;
+            muxer.writeSampleData(videoTrack, buffer, bufferInfo);
+            videoExtractor.advance();
+        }
+    }
+
+    private void audioExtraction(ByteBuffer buffer, int audioTrack, MediaCodec.BufferInfo bufferInfo, MediaMuxer muxer) {
+        audioExtractor.seekTo(0, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
+        while (true) {
+            int sampleSize = audioExtractor.readSampleData(buffer, 0);
+            if (sampleSize < 0) {
+                break;
+            }
+            long presentationTimeUs = audioExtractor.getSampleTime();
+            bufferInfo.offset = 0;
+            bufferInfo.size = sampleSize;
+            bufferInfo.flags = 0; // or MediaCodec.BUFFER_FLAG_KEY_FRAME
+            bufferInfo.presentationTimeUs = presentationTimeUs;
+            muxer.writeSampleData(audioTrack, buffer, bufferInfo);
+            audioExtractor.advance();
+        }
+    }
+
+    private void deleteVideoFile(){
+        File videoFile = new File(videoPath);
+        if (videoFile.exists()) {
+            videoFile.delete();
+        }
+    }
+
+    private void deleteAudioFile(){
+        File audioFile = new File(audioPath);
+        if (audioFile.exists()) {
+            audioFile.delete();
+        }
+    }
+}

app/src/main/java/com/example/greenwatch/AudioRecorder.java

@@ -0,0 +1,30 @@
+package com.example.greenwatch;
+
+import android.media.MediaRecorder;
+
+import java.io.IOException;
+
+public class AudioRecorder implements Runnable {
+
+    private final MediaRecorder audioRecorder;
+    private final String audioPath;
+    public AudioRecorder(MediaRecorder audioRecorder, String audioPath) {
+        this.audioRecorder = audioRecorder;
+        this.audioPath = audioPath;
+    }
+    @Override
+    public void run() {
+        audioRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
+        audioRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
+        audioRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
+        audioRecorder.setOutputFile(audioPath);
+
+        try {
+            audioRecorder.prepare();
+            audioRecorder.start();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+}

app/src/main/java/com/example/greenwatch/Beschleunigungssensor.java

@@ -1,4 +0,0 @@
-package com.example.greenwatch;
-
-public class Beschleunigungssensor {
-}

app/src/main/java/com/example/greenwatch/Kamera.java

@@ -1,4 +0,0 @@
-package com.example.greenwatch;
-
-public class Kamera {
-}

app/src/main/java/com/example/greenwatch/KameraAktivitaet.java

@@ -1,59 +0,0 @@
-package com.example.greenwatch;
-
-import android.graphics.ImageFormat;
-import android.media.Image;
-import android.os.Bundle;
-import android.util.Size;
-
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.camera.core.CameraSelector;
-import androidx.camera.core.ImageAnalysis;
-import androidx.camera.core.Preview;
-import androidx.camera.lifecycle.ProcessCameraProvider;
-import androidx.camera.view.PreviewView;
-import androidx.core.content.ContextCompat;
-
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.util.concurrent.ExecutionException;
-
-public class KameraAktivitaet extends AppCompatActivity {
-    private PreviewView previewView;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_demo_kamera2_nebenaktivitaet);
-        previewView = findViewById(R.id.previewView);
-        final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
-        cameraProviderFuture.addListener(() -> {
-            try {
-                bindImageAnalysis(cameraProviderFuture.get());
-            } catch (ExecutionException | InterruptedException e) {
-                e.printStackTrace();
-            }
-        }, ContextCompat.getMainExecutor(this));
-    }
-
-    private void bindImageAnalysis(ProcessCameraProvider cameraProvider) {
-        ImageAnalysis.Builder builder = new ImageAnalysis.Builder();
-        builder.setTargetResolution(new Size(640, 480));
-        builder.setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST);
-        ImageAnalysis imageAnalysis = builder.build();
-        imageAnalysis.setAnalyzer(
-                ContextCompat.getMainExecutor(this),
-                imageProxy -> {
-                    int imageFormat = imageProxy.getFormat();
-                    if (imageFormat == ImageFormat.YUV_420_888) {
-                        Image image = imageProxy.getImage();
-                    }
-                    imageProxy.close();
-                });
-
-        Preview preview = new Preview.Builder().build();
-        CameraSelector cameraSelector = new CameraSelector.Builder().requireLensFacing(CameraSelector.LENS_FACING_BACK).build();
-        preview.setSurfaceProvider(previewView.getSurfaceProvider());
-        cameraProvider.bindToLifecycle(this, cameraSelector, imageAnalysis, preview);
-    }
-}
-

app/src/main/java/com/example/greenwatch/MainActivity.java

@@ -1,40 +1,101 @@
 package com.example.greenwatch;
 
-import android.content.Intent;
+import android.Manifest;
 import android.content.pm.PackageManager;
+import android.graphics.SurfaceTexture;
 import android.os.Bundle;
+import android.view.TextureView;
+import android.view.View;
 import android.widget.Button;
+import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements TextureView.SurfaceTextureListener{
-    private static final int RECHTEANFORDERUNG_KAMERA = 10;
+
+    private boolean isRecording = false;
+    private static final int REQUEST_PERMISSION = 200;
+    private Button button;
+    private TextureView textureView;
+    private AlarmRecorder alarmRecorder;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        Button kameraStarten = findViewById(R.id.button_camera);
+
-        kameraStarten.setOnClickListener(v -> {
+        button = findViewById(R.id.button);
-            if (istZugriffAufKameraErlaubt()) {
+        textureView = findViewById(R.id.textureView);
-                starteKameraAktivitaet();
+        textureView.setSurfaceTextureListener(this);
-            } else {
+
-                zugriffAufKameraAnfordern();
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (!isRecording) {
+                    if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA)
+                            != PackageManager.PERMISSION_GRANTED
+                            || ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                            != PackageManager.PERMISSION_GRANTED
+                            || ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.RECORD_AUDIO)
+                            != PackageManager.PERMISSION_GRANTED) {
+                        ActivityCompat.requestPermissions(MainActivity.this,
+                                new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.RECORD_AUDIO},
+                                REQUEST_PERMISSION);
+                    } else {
+                        isRecording = true;
+                        alarmRecorder.startRecording();
+                    }
+                } else {
+                    isRecording = false;
+                    alarmRecorder.stopRecording();
+                }
             }
         });
     }
 
-    private boolean istZugriffAufKameraErlaubt() {
+    @Override
-        return ContextCompat.checkSelfPermission(this, android.Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED;
+    public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) {
+        alarmRecorder = new AlarmRecorder(surfaceTexture);
     }
 
-    private void zugriffAufKameraAnfordern() {
+    @Override
-        ActivityCompat.requestPermissions(this,new String[]{android.Manifest.permission.CAMERA}, RECHTEANFORDERUNG_KAMERA);
+    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
+        // Die Größe der SurfaceTexture hat sich geändert
+        // Hier können entsprechende Anpassungen vorgenommen werden
     }
 
-    private void starteKameraAktivitaet() {
+    @Override
-        startActivity(new Intent(this, KameraAktivitaet.class));
+    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
+        // SurfaceTexture wurde zerstört
+        // Hier können entsprechende Bereinigungen durchgeführt werden
+        return true;
+    }
+
+    @Override
+    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
+        // SurfaceTexture wurde aktualisiert
+        // Hier können entsprechende Aktionen ausgeführt werden, wenn gewünscht
+    }
+
+    private SurfaceTexture getSurfaceTexture() {
+        return textureView.getSurfaceTexture();
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == REQUEST_PERMISSION) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                // Berechtigungen wurden gewährt
+                Toast.makeText(this, "Berechtigungen gewährt", Toast.LENGTH_SHORT).show();
+                isRecording = true;
+                alarmRecorder.startRecording();
+            } else {
+                // Berechtigungen wurden nicht gewährt
+                Toast.makeText(this, "Berechtigungen nicht gewährt", Toast.LENGTH_SHORT).show();
+            }
+        }
     }
 }

app/src/main/java/com/example/greenwatch/Mikrofon.java

@@ -1,4 +0,0 @@
-package com.example.greenwatch;
-
-public class Mikrofon {
-}

app/src/main/java/com/example/greenwatch/VideoRecorder.java

@@ -0,0 +1,39 @@
+package com.example.greenwatch;
+
+import android.media.MediaRecorder;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+
+import java.io.IOException;
+
+public class VideoRecorder implements Runnable{
+    private final MediaRecorder videoRecorder;
+    private final String videoPath;
+    //private SurfaceHolder previewHolder;
+    private Surface surface;
+
+
+    public VideoRecorder(MediaRecorder videoRecorder, String videoPath, Surface surface) {
+        this.videoRecorder = videoRecorder;
+        this.videoPath = videoPath;
+        this.surface = surface;
+    }
+    @Override
+    public void run() {
+        videoRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
+        videoRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
+        videoRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
+        videoRecorder.setOutputFile(videoPath);
+        videoRecorder.setOrientationHint(90);
+        videoRecorder.setPreviewDisplay(surface);
+
+        try {
+            videoRecorder.prepare();
+            videoRecorder.start();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}
+

app/src/main/res/layout/activity_demo_kamera2_nebenaktivitaet.xml

@@ -1,41 +0,0 @@
-<?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=".KameraAktivitaet">
-
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:id="@+id/erklaerung">
-        <androidx.camera.view.PreviewView
-            android:id="@+id/previewView"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"/>
-    </FrameLayout>
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical">
-
-        <TextView
-            android:id="@+id/alarm"
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
-            android:text="" />
-
-        <TextView
-            android:id="@+id/luminanz"
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
-            android:layout_gravity="center"
-            android:gravity="center"
-            android:textSize="100sp"
-            android:textColor="#9999ff"/>
-    </LinearLayout>
-
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -6,17 +6,26 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <Button
+    <TextureView
-        android:id="@+id/button_camera"
+        android:id="@+id/textureView"
-        android:layout_width="wrap_content"
+        android:layout_width="1sp"
-        android:layout_height="wrap_content"
+        android:layout_height="1sp"
-        android:text="Kamera starten"
+        android:visibility="visible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.129"
+        app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/button"
-        app:layout_constraintVertical_bias="0.931" />
+        app:layout_constraintVertical_bias="0.0" />
 
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="339dp"
+        android:text="Record Video"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.0.0' apply false
+    id 'com.android.application' version '7.1.3' apply false
-    id 'com.android.library' version '8.0.0' apply false
+    id 'com.android.library' version '7.1.3' apply false
 }
 
 task clean(type: Delete) {

gradle.properties

@@ -19,5 +19,3 @@ android.useAndroidX=true
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
-android.defaults.buildfeatures.buildconfig=true
-android.nonFinalResIds=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Thu May 11 14:50:16 CEST 2023
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME