spinner

问题 I have 1-50 records in the database. I am fetching those data using cursor and set those values to Spinner using Simple Cursor Adapter. Now what i need is i want to set one value say 39th value as default. But not by its position i want to set by its value. I know how to set the spinner default by its position spinner.setSelection(39) will set the spinner to that value. But i didn't have any idea about setting the spinner default by its value(text) in the database. I know the values in the

问题 I want to delay the toast on selected delay times like (15, 30, 60 seconds and no delay) but it won't work. Here's the code: public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { if(FirstLoad){ FirstLoad = false; return; } Toast.makeText(parent.getContext(), "You chose " + parent.getItemAtPosition(pos).toString()+ " to delay", Toast.LENGTH_LONG).show(); Message message = new Message(); Bundle bun = new Bundle(); bun.putString("delay", parent.getItemAtPosition(pos)

问题 I have three Spinner,Location Route and customer.I fill it From Webservice.There is some Routes some locations and some customers,If I select Location then Corresponding of this location Route Should be come..and If I select the route then Corresponding the route Customers Should be come..How can I do This..PLease Help me.. Thanks In Advance 回答1: override setOnItemSelectedListener and there on location selection set the value in adapter and set this adapter to Routes and repeat this process

问题 I'm in a trouble managing a spinner, so may I ask for your help ? I have a spinner with its adapter. I initialize the spinner with a list of values when starting my activity. Then I force the selected value to be the one used in the object that I manage. Once the screen is initialized : When the user selects a value in the spinner, according to the selected value, I may continue (or not) to another activity for let the user choose a complementary and necessary value. If the user "cancels"

问题 I am getting the text 'android.database.sqlite.SQLiteCursor@435b9ba0' returned from a spinner.getSelectedItem().toString() call. I'm not sure why. The spinner is tied to a SimpleCursorAdapter. Here is the code cCategories = (Cursor) myAdapter.getAllCategories(); this.startManagingCursor(cCategories); SimpleCursorAdapter scaCategories = new SimpleCursorAdapter(this, R.layout.track_category_item,cCategories,new String[] {DBAdapter.KEY_CATEGORIES_NAME},new int[]{R.id.text1}); scaCategories

问题 I am getting the text 'android.database.sqlite.SQLiteCursor@435b9ba0' returned from a spinner.getSelectedItem().toString() call. I'm not sure why. The spinner is tied to a SimpleCursorAdapter. Here is the code cCategories = (Cursor) myAdapter.getAllCategories(); this.startManagingCursor(cCategories); SimpleCursorAdapter scaCategories = new SimpleCursorAdapter(this, R.layout.track_category_item,cCategories,new String[] {DBAdapter.KEY_CATEGORIES_NAME},new int[]{R.id.text1}); scaCategories

问题 I want to close an Android spinner once I click outside of the Spinner. Is that even possible? 回答1: I've had some luck with this, even if it doesn't completely work. The spinner adapter's get view : public View getView(int position, View v, ViewGroup parent) { if (v == null) { LayoutInflater mLayoutInflater = mActivity.getLayoutInflater(); v = mLayoutInflater.inflate(R.layout.user_row, null); } View tempParent = (View) parent.getParent().getParent().getParent(); tempParent.setOnTouchListener

问题 Found my problem check under "Update" for the code Okay, I have a problem loading the right value from Sqlite into my Spinner. Here is how my app is constructed my onCreate() sets up a spinner called spinTypes by: public class MyClass extends Activity{ // local members . . . . . . //spinner private Spinner spinTypes, spinNames = null; // string array decl. private String [] types, names1, names2, names3 = null; // array adapters for string arrays private ArrayAdapter<String> typesAdapter,

问题 I was trying to find a spinner component like JSpinner to use in my JavaFX application but there is no such component. What JavaFX component do you recommend me to use in place of a spinner? 回答1: Update for Java 8 JavaFX 8 has now an in-built Spinner class as part of the core JavaFX library (as mentioned in SWdV's answer to this question). Old (pre-Java 8) Answer There is a spinner control in the JFXtras library, you could use that implementation or possibly adapt it to your needs. A spinner

问题 I'm having a spinner which is populated with a CursorAdapter . Now when creating that spinner (dynamically) I want to set a default selection different to 0 (0 being the first item in the CursorAdapter list) So I got a setter for that job that is just called after the object has been created. But for some reason, no matter what I pass in that setter, 0 always is passed to the onItemSelected() method within the Spinner's OnItemSelectedListener . HOWEVER if I just wait till the first initial