fix: browser download (Acode-Foundation#1587)

Author: RohitKushvaha01

src/plugins/browser/android/com/foxdebug/browser/Browser.java

@@ -47,6 +47,9 @@
 import android.webkit.URLUtil;
 import android.webkit.WebView;
 import android.widget.Toast;
+import android.os.Handler;
+import android.os.Looper;
+
 
 
 
@@ -164,7 +167,9 @@ public void onDownloadStart(String url, String userAgent,
 
             String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType);
 
-            new AlertDialog.Builder(getContext())
+            new Handler(Looper.getMainLooper()).post(() -> {
+
+              new AlertDialog.Builder(getContext())
                 .setTitle("Download file")
                 .setMessage("Do you want to download \"" + fileName + "\"?")
                 .setPositiveButton("Yes", (dialog, which) -> {
@@ -184,6 +189,10 @@ public void onDownloadStart(String url, String userAgent,
                 })
                 .setNegativeButton("Cancel", null)
                 .show();
+
+
+            });
+            
         }
     });