I need help with getting employee records to display within a Spinner
after first selecting a department within a ListView. I'm trying to
get the Spinner object within the 'onItemClick' listener method of the
ListView but it's coming back null. The Spinner is in its own layout
file, as is the ListView. Below is part of the code from the
'onCreate' method of my Activity subclass:
ListView lv =(ListView)findViewById(R.id.listview);
lv.setAdapter(adapter);
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View
view,
int position, long id) {
Cursor c = (Cursor)
parent.getItemAtPosition(position);
String department = c.getString(1); // Column index
Toast.makeText(getApplicationContext(),
department + " is selected",
Toast.LENGTH_SHORT).show();
// Create Spinner View object from layout resource
Spinner spinner = (Spinner) findViewById(R.id.spinner1);
if (spinner == null) {
Log.e(TAG, "Spinner object is null!");
}
SimpleCursorAdapter adapter = new
SimpleCursorAdapter(getBaseContext(),
android.R.layout.simple_spinner_item, // Use a
template
// that
displays a
// text
view
c, // Give the cursor to the adapter
new String[] {"dname"}, // Map the NAME column
in
the
//
department
database to...
new int[] {android.R.id.text1}); // The "text1"
view
defined in
// the XML
template
if (adapter == null) {
Log.e(TAG, "Adapter object is null!");
}
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(new
MyOnItemSelectedListener());
}
});
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