Question

I’m a newbie in Android Development and I want to implement Spinner. My problem is that I have an array which has 9 values for a key Category. My array looks like:

MyArray
[{Category=Things To Do}, 
 {Category=Transportation}, 
 {Category=Food  and  Drink}, 
 {Category=Accommodation}, 
 {Category=Shopping},
 {Category=Money and Costs}, 
 {Category=Business}, 
 {Category=Turkey Tour},
 {Category=Events}]

I want to get value of category key. i need MyArray for spinner as bellow:

MyArray
    {
    Things To Do
    Transportation
    Food and Drink
    Accommodation
    Shopping
    ......    
    } 

It is similar to iPhone code.

// iPhone code 
for(int i=0; i<[arrayCategory count]; i++)
    {
    NSString *strSubTitle=[[arrayCategory objectAtIndex:i]objectForKey:@"category"];
    }

Any idea?

Please help me.

Thanks

Answer 1

first create a xml in string for your String array

<?xml version="1.0" encoding="utf-8"?>
 <resources>
    <string name="planet_prompt">Choose a planet</string>
   <string-array name="planets_array">
    <item>Mercury</item>
    <item>Venus</item>
    <item>Earth</item>
    <item>Mars</item>
    <item>Jupiter</item>
    <item>Saturn</item>
    <item>Uranus</item>
    <item>Neptune</item>
   </string-array>
</resources>

then use the above xml for string array in your code like below

   @Override
     public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

    Spinner spinner = (Spinner) findViewById(R.id.spinner);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
        this, R.array.planets_array, android.R.layout.simple_spinner_item);
     adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
     spinner.setAdapter(adapter);
  }