fix: use of external storage should be optional

android/src/main/java/com/reactnativecommunity/imageeditor/ImageEditorModule.java

@@ -173,6 +173,7 @@ public void cropImage(
       Promise promise) {
     ReadableMap offset = options.hasKey("offset") ? options.getMap("offset") : null;
     ReadableMap size = options.hasKey("size") ? options.getMap("size") : null;
+    boolean useInternalCache = options.hasKey("useInternalCache") ? options.getBoolean("useInternalCache") : false;
     if (offset == null || size == null ||
         !offset.hasKey("x") || !offset.hasKey("y") ||
         !size.hasKey("width") || !size.hasKey("height")) {
@@ -189,6 +190,7 @@ public void cropImage(
         (int) offset.getDouble("y"),
         (int) size.getDouble("width"),
         (int) size.getDouble("height"),
+        useInternalCache,
         promise);
     if (options.hasKey("displaySize")) {
       ReadableMap targetSize = options.getMap("displaySize");
@@ -206,6 +208,7 @@ private static class CropTask extends GuardedAsyncTask<Void, Void> {
     final int mY;
     final int mWidth;
     final int mHeight;
+    final boolean mUseInternalCache;
     int mTargetWidth = 0;
     int mTargetHeight = 0;
     final Promise mPromise;
@@ -217,6 +220,7 @@ private CropTask(
         int y,
         int width,
         int height,
+        boolean useInternalCache,
         Promise promise) {
       super(context);
       if (x < 0 || y < 0 || width <= 0 || height <= 0) {
@@ -230,6 +234,7 @@ private CropTask(
       mWidth = width;
       mHeight = height;
       mPromise = promise;
+      mUseInternalCache = useInternalCache;
     }
 
     public void setTargetSize(int width, int height) {
@@ -275,7 +280,7 @@ protected void doInBackgroundGuarded(Void... params) {
           throw new IOException("Could not determine MIME type");
         }
 
-        File tempFile = createTempFile(mContext, mimeType);
+        File tempFile = createTempFile(mContext, mimeType, mUseInternalCache);
         writeCompressedBitmapToFile(cropped, mimeType, tempFile);
 
         if (mimeType.equals("image/jpeg")) {
@@ -467,23 +472,28 @@ private static void writeCompressedBitmapToFile(Bitmap cropped, String mimeType,
    *
    * @param mimeType the MIME type of the file to create (image/*)
    */
-  private static File createTempFile(Context context, @Nullable String mimeType)
+  private static File createTempFile(Context context, @Nullable String mimeType, boolean useInternalCache)
       throws IOException {
     File externalCacheDir = context.getExternalCacheDir();
     File internalCacheDir = context.getCacheDir();
-    File cacheDir;
-    if (externalCacheDir == null && internalCacheDir == null) {
+    File cacheDir = null;
+
+     if (internalCacheDir == null && (externalCacheDir == null || useInternalCache)) {
       throw new IOException("No cache directory available");
     }
-    if (externalCacheDir == null) {
+
+    if (useInternalCache || externalCacheDir == null) {
       cacheDir = internalCacheDir;
+    } else if (externalCacheDir != null && internalCacheDir != null) {
+       cacheDir = (externalCacheDir.getFreeSpace() > internalCacheDir.getFreeSpace() ?
+          externalCacheDir : internalCacheDir );
     }
-    else if (internalCacheDir == null) {
-      cacheDir = externalCacheDir;
-    } else {
-      cacheDir = externalCacheDir.getFreeSpace() > internalCacheDir.getFreeSpace() ?
-          externalCacheDir : internalCacheDir;
+
+    if (cacheDir == null) {
+      throw new IOException("No cache directory available");
     }
+
+
     return File.createTempFile(TEMP_FILE_PREFIX, getFileExtensionForType(mimeType), cacheDir);
   }
 

lib/ImageEditor.js

@@ -44,6 +44,11 @@ type ImageCropData = {
     cover: string,
     stretch: string,
   }>,
+
+  /**
+   * (Optional) if true, will disable the use of external cache.
+   * */
+  useInternalCache?: boolean,
 };
 
 class ImageEditor {
@@ -59,7 +64,10 @@ class ImageEditor {
    * will point to the image in the cache path. Remember to delete the
    * cropped image from the cache path when you are done with it.
    */
-  static cropImage(uri: string, cropData: ImageCropData): Promise<string> {
+  static cropImage(
+    uri: string,
+    cropData: ImageCropData
+  ): Promise<string> {
     return RNCImageEditor.cropImage(uri, cropData);
   }
 }

typings/index.d.ts

@@ -29,6 +29,11 @@ export type ImageCropData = {
    * `displaySize` param is not specified, this has no effect.
    */
   resizeMode?: $Maybe<"contain" | "cover" | "stretch">,
+
+  /**
+   * (Optional) if true, will disable the use of external cache.
+   **/
+  useInternalCache?: boolean,
 };
 
 declare class ImageEditor {
@@ -46,8 +51,8 @@ declare class ImageEditor {
    */
   static cropImage: (
     uri: string,
-    cropData: ImageCropData,
+    cropData: ImageCropData
   ) => Promise<string>
 }
 
-export default ImageEditor
+export default ImageEditor