TextureView anstatt SurfaceView

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

@@ -1,11 +1,13 @@
 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;
@@ -23,23 +25,24 @@ public class AlarmRecorder {
     private Runnable videoRecorderRunnable;
     private MediaRecorder videoRecorder;
     private MediaRecorder audioRecorder;
-    private SurfaceHolder previewHolder;
+    //private SurfaceHolder previewHolder;
+    private Surface surface;
     private Thread videoThread; // Video-Thread als Instanzvariable
     private Thread audioThread; // Audio-Thread als Instanzvariable
 
-    public AlarmRecorder(SurfaceHolder previewHolder) {
+    public AlarmRecorder(SurfaceTexture surfaceTexture) {
         audioRecorder = new MediaRecorder();
         videoRecorder = new MediaRecorder();
         videoExtractor = new MediaExtractor();
         audioExtractor = new MediaExtractor();
-        this.previewHolder = previewHolder;
+        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, previewHolder);
+        videoRecorderRunnable = new VideoRecorder(videoRecorder, videoPath, surface);
         audioThread = new Thread(audioRecorderRunnable);
         videoThread = new Thread(videoRecorderRunnable);
 
@@ -60,7 +63,7 @@ public class AlarmRecorder {
             if (videoFile.exists() && audioFile.exists()) {
                 //Wenn Video- und Audioaufzeichnung gestoppt und abgespeichert sind, beginne mit dem Mergeprozess der beiden
                 mergeVideoWithAudio();
-            } else { }
+            }
         } catch (RuntimeException stopException) {
             stopException.printStackTrace();
         }

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

@@ -2,8 +2,9 @@ package com.example.greenwatch;
 
 import android.Manifest;
 import android.content.pm.PackageManager;
+import android.graphics.SurfaceTexture;
 import android.os.Bundle;
-import android.view.SurfaceView;
+import android.view.TextureView;
 import android.view.View;
 import android.widget.Button;
 import android.widget.Toast;
@@ -12,14 +13,13 @@ 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 boolean isRecording = false;
     private static final int REQUEST_PERMISSION = 200;
     private Button button;
-    private SurfaceView surfaceView;
+    private TextureView textureView;
     private AlarmRecorder alarmRecorder;
-    private static final int REQUEST_PERMISSIONS = 123;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -27,8 +27,8 @@ public class MainActivity extends AppCompatActivity {
         setContentView(R.layout.activity_main);
 
         button = findViewById(R.id.button);
-        surfaceView = findViewById(R.id.surfaceView);
-        alarmRecorder = new AlarmRecorder(surfaceView.getHolder());
+        textureView = findViewById(R.id.textureView);
+        textureView.setSurfaceTextureListener(this);
 
         button.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -55,6 +55,34 @@ public class MainActivity extends AppCompatActivity {
         });
     }
 
+    @Override
+    public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) {
+        alarmRecorder = new AlarmRecorder(surfaceTexture);
+    }
+
+    @Override
+    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
+        // Die Größe der SurfaceTexture hat sich geändert
+        // Hier können entsprechende Anpassungen vorgenommen werden
+    }
+
+    @Override
+    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);

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

@@ -1,6 +1,7 @@
 package com.example.greenwatch;
 
 import android.media.MediaRecorder;
+import android.view.Surface;
 import android.view.SurfaceHolder;
 
 import java.io.IOException;
@@ -8,12 +9,14 @@ import java.io.IOException;
 public class VideoRecorder implements Runnable{
     private final MediaRecorder videoRecorder;
     private final String videoPath;
-    private SurfaceHolder previewHolder;
+    //private SurfaceHolder previewHolder;
+    private Surface surface;
 
-    public VideoRecorder(MediaRecorder videoRecorder, String videoPath, SurfaceHolder previewHolder) {
+
+    public VideoRecorder(MediaRecorder videoRecorder, String videoPath, Surface surface) {
         this.videoRecorder = videoRecorder;
         this.videoPath = videoPath;
-        this.previewHolder = previewHolder;
+        this.surface = surface;
     }
     @Override
     public void run() {
@@ -22,7 +25,7 @@ public class VideoRecorder implements Runnable{
         videoRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
         videoRecorder.setOutputFile(videoPath);
         videoRecorder.setOrientationHint(90);
-        videoRecorder.setPreviewDisplay(previewHolder.getSurface());
+        videoRecorder.setPreviewDisplay(surface);
 
         try {
             videoRecorder.prepare();

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

@@ -6,16 +6,16 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <SurfaceView
-        android:id="@+id/surfaceView"
-        android:layout_width="1dp"
-        android:layout_height="1dp"
+    <TextureView
+        android:id="@+id/textureView"
+        android:layout_width="1sp"
+        android:layout_height="1sp"
         android:visibility="visible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         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="0.0" />
 
     <Button