spinner

问题 I have an activity made up of two fragments. On the left is a sidebar, on the right is a MapView (See screenshot below). On the left I have a spinner that will be populated with objects on the map. Right Now, I have it hardcoded with some values until I figure out this issue. When the Spinner is selected, a dialog appears, but it is empty. Any idea what is going on? Here is my code for the left fragment (Its not very complex): package android.splitdisplay; import android.app.Fragment; import

问题 I have Spinner with some items. Some of the items are having long text, so its not appearing on the spinner. How can I have scrolling text on the Spinner? 回答1: For spinner, you have to create xml file <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text1" style="android:attr/dropDownItemStyle" android:singleLine="true" android:layout_width="fill_parent" android:layout_height="45px" android:ellipsize="marquee" android:textColor="#000000" android:gravity=

问题 First of all thank you for taking the time to look ate my question. Here's is my problem, i created a spinner that as a string array that shows months. What i want to do is to get the data for the month select in the spinner. Spinner: Spinner spinner = (Spinner) findViewById(R.id.spinner); ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource( this, R.array.mnth_array, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner

问题 I am trying to get the values from spinner 1 and divide it with the value from spinner 2 and then multiply with the current amount. This is the code i have but it gives me a force close when i try and convert. final EditText editCurr = (EditText) findViewById(R.id.etamount); Button convert = (Button) findViewById(R.id.btn_convert); convert.setOnClickListener(new View.OnClickListener() { public void onClick(View v){ double curr = Double.valueOf(editCurr.getText().toString()); double result2 =

问题 I would like to build this dropdown layout: To be able to add the top and bottom padding of 8dp I used the following code: @Override public View getDropDownView(int position, View convertView, ViewGroup parent) { if (convertView == null) { if (position == 0) { convertView = inflater.inflate(R.layout.spinner_row_top, null); } else if (position == (getCount() - 1)) { convertView = inflater.inflate(R.layout.spinner_row_bottom, null); } else convertView = inflater.inflate(R.layout.spinner_row,

问题 I am new to Java programming and opted for developing my tool UI in JavaFX8. I need to have a Spinner (new in JavaFX8u40!) for which the user can specify a integer value from 0 to 120 seconds (the easy part) but also a button which allows the user to set the spinner value directly to the given pre-set button value (here, 0). Trouble is that when I click the button to test it, the spinner value doesn't seem to update and remains at 60 (spinner initial value) or any other value that may have

问题 I have a spinner bounded with data, and I want to select it and put the string selected in a variable.. How can I do this? 回答1: You can use getSelectedItem to get the currently selected item. If you've bound to an ArrayAdapter<String>, this will be the value. Hope this helps, Phil Lello 回答2: Assuming the data is a plain String, mySpinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { String

问题 I was using a spinner in a TableRow and it was working perfectly well except that I didn't like spinner icon is stretching out according to the selected item. I tried to delete Spinner section in xml and create it on my code. To create a spinner in OnCreate(): selectArea = /*(Spinner)this.findViewById(R.id.spinner);*/new Spinner(this); String[] ss = getResources().getStringArray(R.array.countries); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner

问题 I have a multiple column table with one of the columns being a checkbox. I can check different rows and then hit a "Checkout" button and it will display the corresponding selected table row data in the body of an email. Whenever a checkbox is checked, it also displays an extra column Quantity # which contains a spinner where the user can either type in a number or use the up/down arrows to select a number. However, when I enter a number and then hit the "Checkout" button, the value is always

问题 I am developing application. In that i am populating spinner from the database. I got the arrayList which consist of description and code . I need to set the code as tag for each description. Is there any possibility to add tag for individual items in spinner. 回答1: Try simple custom adapter: public class MySpinnerAdapter extends BaseAdapter { private Activity context; public CitiesSpinnerAdapter(Activity context){ this.context=context; } @Override public int getCount() { return 0; } @Override