//xplat/js/react-native-github/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/camera:cameraAndroid

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -3046,11 +3046,16 @@ public class com/facebook/react/modules/blob/FileReaderModule : com/facebook/fbr
 	public fun readAsText (Lcom/facebook/react/bridge/ReadableMap;Ljava/lang/String;Lcom/facebook/react/bridge/Promise;)V
 }
 
-public class com/facebook/react/modules/camera/ImageStoreManager : com/facebook/fbreact/specs/NativeImageStoreAndroidSpec {
+public final class com/facebook/react/modules/camera/ImageStoreManager : com/facebook/fbreact/specs/NativeImageStoreAndroidSpec {
+	public static final field Companion Lcom/facebook/react/modules/camera/ImageStoreManager$Companion;
+	public static final field NAME Ljava/lang/String;
 	public fun <init> (Lcom/facebook/react/bridge/ReactApplicationContext;)V
 	public fun getBase64ForTag (Ljava/lang/String;Lcom/facebook/react/bridge/Callback;Lcom/facebook/react/bridge/Callback;)V
 }
 
+public final class com/facebook/react/modules/camera/ImageStoreManager$Companion {
+}
+
 public final class com/facebook/react/modules/clipboard/ClipboardModule : com/facebook/fbreact/specs/NativeClipboardSpec {
 	public fun <init> (Lcom/facebook/react/bridge/ReactApplicationContext;)V
 	public fun getString (Lcom/facebook/react/bridge/Promise;)V

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/camera/ImageStoreManager.kt

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.modules.camera
+
+import android.net.Uri
+import android.util.Base64
+import android.util.Base64OutputStream
+import com.facebook.fbreact.specs.NativeImageStoreAndroidSpec
+import com.facebook.react.bridge.Callback
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.module.annotations.ReactModule
+import java.io.ByteArrayOutputStream
+import java.io.Closeable
+import java.io.FileNotFoundException
+import java.io.IOException
+import java.io.InputStream
+import java.util.concurrent.Executors
+
+@ReactModule(name = NativeImageStoreAndroidSpec.NAME)
+public class ImageStoreManager(reactContext: ReactApplicationContext) :
+    NativeImageStoreAndroidSpec(reactContext) {
+
+  /**
+   * Calculate the base64 representation for an image. The "tag" comes from iOS naming.
+   *
+   * @param uri the URI of the image, file:// or content://
+   * @param success callback to be invoked with the base64 string as the only argument
+   * @param error callback to be invoked on error (e.g. file not found, not readable etc.)
+   */
+  override public fun getBase64ForTag(uri: String, success: Callback, error: Callback) {
+    val executor = Executors.newSingleThreadExecutor()
+    executor.execute {
+      try {
+        val contentResolver = getReactApplicationContext().getContentResolver()
+        val parsedUri = Uri.parse(uri)
+        val inputStream = contentResolver.openInputStream(parsedUri) as InputStream
+        try {
+          success.invoke(convertInputStreamToBase64OutputStream(inputStream))
+        } catch (e: IOException) {
+          error.invoke(e.message)
+        } finally {
+          closeQuietly(inputStream)
+        }
+      } catch (e: FileNotFoundException) {
+        error.invoke(e.message)
+      }
+    }
+  }
+
+  @Throws(IOException::class)
+  private fun convertInputStreamToBase64OutputStream(inputStream: InputStream): String {
+    val baos = ByteArrayOutputStream()
+    val b64os = Base64OutputStream(baos, Base64.NO_WRAP)
+    val buffer = ByteArray(BUFFER_SIZE)
+    var bytesRead: Int
+    try {
+      while (inputStream.read(buffer).also { bytesRead = it } > -1) {
+        b64os.write(buffer, 0, bytesRead)
+      }
+    } finally {
+      closeQuietly(b64os) // this also closes baos and flushes the final content to it
+    }
+    return baos.toString()
+  }
+
+  public companion object {
+    public const val NAME: String = NativeImageStoreAndroidSpec.NAME
+
+    private const val BUFFER_SIZE = 8_192
+
+    private fun closeQuietly(closeable: Closeable) {
+      try {
+        closeable.close()
+      } catch (e: IOException) {
+        // shhh
+      }
+    }
+  }
+}