How to use Cursor's in non Activity Classes

Question

I wan't to get data's from CallLog.Calls.CONTENT_URI in non Activity classes. Am using cursor to get these data's from CallLog. But in non activity class cursor shows some error so how i can how i can do this?

Presently am doing like this,

public class CallReceiver extends Activity {
@Override
public void onCreate(Bundle bundle) {
    super.onCreate(bundle);     
    Cursor cursor =  managedQuery(android.provider.CallLog.Calls.CONTENT_URI,null,null,null,null);
 startManagingCursor(cursor);

Answer 1

Cursor c = context.getContentResolver().query(uri, projection, selection, null, sortOrder);
    if (c.moveToFirst()) {
        ...
    }
    c.close();