test.patch

diff --git a/app/src/main/java/com/vdavid003/sm64androidbuilder/MainActivity.java b/app/src/main/java/com/vdavid003/sm64androidbuilder/MainActivity.java
index ddb2497..d282156 100644
--- a/app/src/main/java/com/vdavid003/sm64androidbuilder/MainActivity.java
+++ b/app/src/main/java/com/vdavid003/sm64androidbuilder/MainActivity.java
@@ -274,6 +274,35 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+    //Basically DocumentsContract.copyDocument with support for API level below 24 with File output support
+    private void copyDocument_compatible(Uri sourceFile, Uri targetDir, String mimeType) throws IOException {
+        ParcelFileDescriptor sourceFileDescriptor = getContentResolver().openFileDescriptor(sourceFile, "r");
+        FileInputStream fileInputStream = new FileInputStream(sourceFileDescriptor.getFileDescriptor());
+
+        Uri targetFile;
+        try {
+            String targetDocId = DocumentsContract.getTreeDocumentId(targetDir);
+            Uri targetDirUri = DocumentsContract.buildDocumentUriUsingTree(targetDir, targetDocId );
+            targetFile = DocumentsContract.createDocument(getContentResolver(), targetDirUri, mimeType, getBaseRomFileName());
+        } catch (Exception e) {
+            //Not DocumentFile probably, try it as a normal File
+            File file = new File(targetDir.getPath());
+            file.createNewFile();
+            targetFile = Uri.fromFile(file);
+        }
+
+        ParcelFileDescriptor targetFileDescriptor = getContentResolver().
+                openFileDescriptor(targetFile, "w");
+        FileOutputStream fileOutputStream =
+                new FileOutputStream(targetFileDescriptor.getFileDescriptor());
+
+        byte[] buf = new byte[1024];
+        int len;
+        while ((len = fileInputStream.read(buf)) > 0) {
+            fileOutputStream.write(buf, 0, len);
+        }
+    }
+
     public void copyBuild(View view) {
         if (testPaths()) {
             //Delete it if it's different and it exists inside Termux