Question

I have this code:

protected void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);
    Log.i(TAG, "The id of the selected note is " + id);
    Intent editNote = new Intent(this, TaskEditActivity.class);
    editNote.putExtra(TasksDBAdapter.KEY_ID, id);
    startActivityForResult(editNote, EDIT_TASK_REQUEST);
}

And this code that retrieves the extra FROM A DIFFERENT ACTIVITY:

 if (savedInstanceState != null) {
        id = savedInstanceState.getLong(TasksDBAdapter.KEY_ID);
    }
 Log.i(TAG, "Id of note = " + id);

In the first code snippet, Logcat says: The id of the selected note is 2, but in the second code snippet, Logcat says: Id of note = 0. What just happened here? Any solutions to this VERY annoying problem.

Answer 1

I think you’re confusing the state which is saved when an Activity is paused and the data delivered to the Activity via an Intent.

You want to have something like:

Bundle extras = getIntent().getExtras();
id = extras.getLong(TasksDBAdapter.KEY_ID);

The Bundle passed to onCreate() is the Bundle you saved with the onSaveInstanceState() method and is not the extras Bundle you added to your Intent.