fix: parsing html img to native on Android

Author: kacperzolkiewski

android/src/main/java/com/swmansion/enriched/utils/EnrichedParser.java

@@ -1,5 +1,11 @@
 package com.swmansion.enriched.utils;
 
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Color;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.text.Editable;
 import android.text.Layout;
@@ -275,6 +281,7 @@ private static void withinParagraph(StringBuilder out, Spanned text, int start,
         if (style[j] instanceof EnrichedImageSpan) {
           out.append("<img src=\"");
           out.append(((EnrichedImageSpan) style[j]).getSource());
+          out.append("\"");
 
           out.append(" width=\"");
           out.append(((EnrichedImageSpan) style[j]).getWidth());
@@ -697,6 +704,10 @@ private static void startImg(Editable text, Attributes attributes, EnrichedParse
       d = img.getDrawable(src);
     }
 
+    if (d == null) {
+      d = HtmlToSpannedConverter.prepareDrawableForImage(src);
+    }
+
     if (d == null) {
       return;
     }
@@ -706,6 +717,30 @@ private static void startImg(Editable text, Attributes attributes, EnrichedParse
     text.setSpan(new EnrichedImageSpan(d, src, Integer.parseInt(width), Integer.parseInt(height)), len, text.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
   }
 
+  private static BitmapDrawable prepareDrawableForImage(String src) {
+    String cleanPath = src;
+    if (cleanPath.startsWith("file://")) {
+      cleanPath = cleanPath.substring(7);
+    }
+
+    BitmapDrawable drawable = null;
+
+    try {
+      Bitmap bitmap = BitmapFactory.decodeFile(cleanPath);
+      if (bitmap != null) {
+        drawable = new BitmapDrawable(Resources.getSystem(), bitmap);
+        // set bounds so it knows how big it is naturally,
+        // though EnrichedImageSpan will override this with the HTML width/height later.
+        drawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
+      }
+    } catch (Exception e) {
+      // Failed to load file
+      android.util.Log.e("EnrichedParser", "Failed to load image from path: " + cleanPath, e);
+    }
+
+    return drawable;
+  }
+
   private static void startA(Editable text, Attributes attributes) {
     String href = attributes.getValue("", "href");
     start(text, new Href(href));