Passing an arraylist of arraylists

Question

I know it\'s a commonly asked question and I looked at the solutions online, but I am having a difficulty implementing this on my own.

I have a class which contains thr

Answer 1

I think that you can use Gson too.

In your build.gradle

implementation 'com.google.code.gson:gson:2.8.4'

In the first activity

Gson gson = new Gson();
String json = gson.toJson(yourObject);
intent.putExtra("yourKey", json);

In the second activity

Gson gson = new Gson();
YourObject yourObject = gson.fromJson(getIntent().getStringExtra("yourKey"), YourObject.class);

Easy and fast.