Question

I have scoured SE and google and found what I thought were decent examples of how to implement putExtra() in tandem with getStringExtra().

The trouble I seem to be unable to resolve is that my putExtra data never appears to be getting retrieved from my getStringExtra call in the target activity.

I’ve tried numerous SE examples where others have asked this question countless times and yet it never seems to get me closer to a working base to expand on.

My primary activity’s put is as follows;
(First, I tried this with no luck)

    // Click handler for group list items
    lvGroups.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
            int gid       = groupIds.get(arg2);
            Intent intent = new Intent(RadSMS_Activity.this, RadSMS_CreateGroup.class);
            intent.putExtra("SELECTED_GROUP_ID", gid);
            startActivity(intent);
            finish();
        }
    });

(Then, I tried this. Also with no luck.)

    // Click handler for group list items
    lvGroups.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
            int gid       = groupIds.get(arg2);
            Intent target = new Intent();
            target.putExtra("SELECTED_GROUP_ID", gid);
            Intent intent = new Intent(RadSMS_Activity.this, RadSMS_CreateGroup.class);
            startActivity(intent);
            finish();
        }
    });

My target activity that I want to extract the value from is the following;

    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.creategroup);

        String strGID = getIntent().getStringExtra("SELECTED_GROUP_ID");
        selectedGID = new Long(strGID);
        // ... additional code would be here
    }

Function truncated for brevity’s sake.

So, according to everything I’ve seen so far, it appears I’m doing it right, but when I put a breakpoint at the line where selectedGID gets assigned its value, strGID is always null. This is really beginning to make me crazy.

Can anyone please tell me if I have done something incorrect?

Answer 1

gid is an int.
You are putting an int.
You appear to be trying to retrieve a string.
Consider:

int gid= getIntent().getIntExtra("SELECTED_GROUP_ID",-1);