support image or thumbnail with 'file://' on android

android/src/main/kotlin/com/jarvan/fluwx/constant/WeChatPluginImageSchema.java

@@ -5,4 +5,5 @@ public class WeChatPluginImageSchema {
     public static final String SCHMEA_HTTP = "http://";
     public static final String SCHMEA_HTTPS = "https://";
     public static final String SCHEMA_FILE = "file://";
+    public static final String SCHEMA_CONTENT = "content://";
 }

android/src/main/kotlin/com/jarvan/fluwx/utils/WeChatThumbnailUtil.java

@@ -40,7 +40,8 @@ public class WeChatThumbnailUtil {
         if (thumbnail.startsWith(WeChatPluginImageSchema.SCHEMA_ASSETS)) {
             file = getAssetFile(thumbnail, registrar);
         } else if (thumbnail.startsWith(WeChatPluginImageSchema.SCHEMA_FILE)) {
-            file = new File(thumbnail);
+            String pathWithoutUri = thumbnail.substring(WeChatPluginImageSchema.SCHEMA_FILE.length());
+            file = new File(pathWithoutUri);
         } else {
             file = downloadImage(thumbnail);
         }
@@ -65,7 +66,8 @@ public class WeChatThumbnailUtil {
         if (thumbnail.startsWith(WeChatPluginImageSchema.SCHEMA_ASSETS)) {
             file = getAssetFile(thumbnail, registrar);
         } else if (thumbnail.startsWith(WeChatPluginImageSchema.SCHEMA_FILE)) {
-            file = new File(thumbnail);
+            String pathWithoutUri = thumbnail.substring(WeChatPluginImageSchema.SCHEMA_FILE.length());
+            file = new File(pathWithoutUri);
         } else {
             file = downloadImage(thumbnail);
         }