spinner不弹出列表

Question

无下拉列表

Answer 1

                 Spinner spinner = (Spinner) findViewById(R.id.spinner);
ArrayAdapter<String> aa = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, items);
aa.setDropDownViewResource(android.R.layout.simple_spinner_item);
spinner.setAdapter(aa);
spinner.setOnItemSelectedListener(new OnItemSelectedListener() {

public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
//selection.setText(items[position]);
selection.setText(position+ ""); } public void onNothingSelected(AdapterView<?> parent) {
if(selection != null){
int item = Integer.parseInt(selection.getText().toString().trim());
spinner.setSelection(0, false);
spinner.setSelection(item, true);
}
} });

Answer 2

补充一点：点击后就只Spinner的背景色变一下，其它都木有了