[英]How to select spinning values from listview?
我在从列表视图获取旋转值时遇到一些问题。在列表视图中,我有textview并与它的微调框有关。
这是我的Result.java
public class Result extends ListActivity{
SpinnerWrapper wrapper=new SpinnerWrapper();
Spinner sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.result);
MyAdapter adap=new MyAdapter(this, android.R.layout.simple_list_item_1,R.id.textView1, getResources().getStringArray(R.array.modules));
adap.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
setListAdapter(adap);
Button b=(Button) findViewById(R.id.button12);
//final Spinner sp=(Spinner) findViewById(R.id.spinner1);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent intent=new Intent(Result.this,Cal.class);
for(int i=0;i<15;i++){
//String text= sp1.getSelectedItem().toString();
//Log.d("This", text);
}
//Spinner sp1=og.getSp();
ArrayAdapter<CharSequence> adapter=ArrayAdapter.createFromResource(Result.this, R.array.grades, android.R.layout.simple_spinner_dropdown_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sp.setAdapter(adapter);
sp.setOnItemSelectedListener(wrapper);
intent.putExtra("values", sp.getSelectedItem().toString());
//intent.putExtra("values", sp.setOnItemSelectedListener(wrapper));
startActivity(intent);
}
});
}
public void getObject(Spinner sp){
this.sp=sp;
}
private class MyAdapter extends ArrayAdapter<String>{
public MyAdapter(Context context, int resource, int textViewResourceId,
String[] strings) {
super(context, resource, textViewResourceId, strings);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater=(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View row=inflater.inflate(R.layout.item_layout, parent,false);
String[] items=getResources().getStringArray(R.array.modules);
TextView tv=(TextView) row.findViewById(R.id.textView1);
tv.setText(items[position]);
Spinner sp=(Spinner)row.findViewById(R.id.spinner1);
ArrayAdapter<CharSequence> adapter=ArrayAdapter.createFromResource(Result.this, R.array.grades, android.R.layout.simple_spinner_dropdown_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sp.setAdapter(adapter);
getObject(sp);
//og.setSp(sp);
//sp.setOnItemSelectedListener(wrapper);
//int dd=row.getId();
return row;
}
}
}
我的Spinner Wrapper类是这样的。
public class SpinnerWrapper implements OnItemSelectedListener {
public SpinnerWrapper() {
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position,
long id) {
String text=parent.getSelectedItem().toString();
int intee=parent.getSelectedItemPosition();
String pos=Integer.toString(intee);
String tex=parent.getItemAtPosition(position).toString();
Log.d("Selected", text);
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
}
我想获得每个微调器的旋转值..我该怎么做?
我不明白为什么你不能获得价值
String tex=parent.getItemAtPosition(position).toString();
Log.d("You have selected", tex);
您可以创建一个ArrayList<String>
并将所选值添加到该ArrayList
。 将会是这样。
static ArrayList<String> sth = new ArrayList<String>();
public void onItemSelected(AdapterView<?> parent, View view, int pos,
long id) {
Toast.makeText(
parent.getContext(),
"OnItemSelectedListener : "
+ parent.getItemAtPosition(pos).toString(),
Toast.LENGTH_SHORT).show();
for (int i = 0; i < parent.getItemIdAtPosition(pos); i++) {
sth.add(parent.getItemAtPosition(pos).toString());
}
Log.w(getClass().getSimpleName(), "sth size " + sth.size());
}
由于已存储所选值,因此可以传递该ArrayList
。
//sp.setOnItemSelectedListener(wrapper);
I see your code is commented. so the OnItemSelectedListener is not called.
You call different listener for different spinner.
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