style - spinner android شرح




كيفية عمل Spiner Android مع النص الأولي "Select One" (20)

في Android ، أريد استخدام Spinner الذي يعرض في البداية (عندما لم يقم المستخدم بإجراء تحديد بعد) يعرض النص "Select One". عندما يقوم المستخدم بالنقر فوق زر الزيادة والنقصان ، يتم عرض قائمة العناصر ويقوم المستخدم بتحديد أحد الخيارات. بعد قيام المستخدم بإجراء تحديد ، يتم عرض العنصر المحدد في Spinner بدلاً من "Select One".

لدي التعليمة البرمجية التالية لإنشاء Spinner:

String[] items = new String[] {"One", "Two", "Three"};
Spinner spinner = (Spinner) findViewById(R.id.mySpinner);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, items);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);

باستخدام هذا الرمز ، يتم عرض العنصر "One" في البداية. يمكنني فقط إضافة عنصر جديد "Select One" إلى العناصر ، ولكن "Select One" سيتم أيضًا عرضه في القائمة المنسدلة كعنصر أول ، وهو ليس ما أريده.

كيف يمكنني حل هذه المشكلة؟


أعتقد أن أسهل طريقة هي إنشاء عنصر وهمي في الفهرس 0 قائلاً "حدد واحدة" ثم على الحفظ ربما تحقق من أن التحديد ليس 0.


أعرف أن هذا السؤال لديه الكثير من الإجابة ولكنني وجدت أبسط وأسهل طريقة للقيام بها.

هذا الحل مستقل عن مستوى واجهة برمجة التطبيقات (API) ، حيث يعمل على مستوى جميع واجهات برمجة التطبيقات (API) .

الفكرة هي لتعيين العنصر الأخير من الدوار كملف واحد

spinner.setSelection(lastIndex);//index starts from 0.so if spinner has 5 item the lastIndex is 4

يجب أن يكون العنصر في الفهرس الأخير عنوانك لعنصر spinner مثل "Select Country"

وبينما يخفض ملء الرتل ، فإن عدد العناصر التي تبدأ بـ one.ie // Count يبدأ من 1 إلى إجمالي العنصر.

    @Override
public int getCount() {
// don't display last item. It is used as hint.
int count = super.getCount();
return count > 0 ? count - 1 : count;
}

لذلك سيكون تدفق التعليمات البرمجية الخاصة بك مثل هذا

List<String> objects = new ArrayList<String>();
objects.add("India");
objects.add("Pakistan");
objects.add("China");
// add hint as last item
objects.add("Select Country");

HintAdapter adapter = new HintAdapter(context, objects, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

 Spinner spinnerFilmType = (Spinner) findViewById(R.id.spinner);
spinner.setAdapter(adapter);

// show hint
spinner.setSelection(adapter.getCount());

HintAdapter.java

 public class HintAdapter   extends ArrayAdapter<Objects> {



public HintAdapter(Context theContext, List<Object> objects, int theLayoutResId) {
    super(theContext, theLayoutResId, objects);
}

@Override
public int getCount() {
    // don't display last item. It is used as hint.
    int count = super.getCount();
    return count > 0 ? count - 1 : count;
}
}

عنوان الدوار البند الدوار

تحرير: مطبعي


أولاً ، قد تكون مهتمًا بالسمة prompt للفئة Spinner . انظر الصورة أدناه ، "اختر الكوكب" هي المطالبة التي يمكن تعيينها في XML مع android:prompt="" .

كنت ذاهبا لاقتراح Spinner subclassing ، حيث يمكنك الحفاظ على محولين اثنين داخليا. محول واحد يحتوي على خيار "Select One" ، والمحول الحقيقي الآخر (مع الخيارات الفعلية) ، ثم يستخدم OnClickListener لتشغيل المحولات قبل ظهور مربع حوار الاختيارات. ومع ذلك ، بعد محاولة تطبيق هذه الفكرة التي توصلت إليها ، لا يمكنك تلقي أحداث OnClick للعنصر نفسه.

يمكنك أن CustomSpinner والنقصان في عرض مختلف ، وتعترض النقرات على العرض ، ثم تخبر CustomSpinner أن تقوم بتبديل المحول ، ولكنها تبدو CustomSpinner فظيع.

هل تحتاج حقًا لإظهار "Select One"؟


الكثير من الإجابات هنا ، لكنني مندهش من عدم اقتراح أي حل بسيط: ضع TextView أعلى Spinner. تعيين مستمع النقر فوق TextView الذي يخفي TextView يظهر في Spinner ، ويدعو spinner.performClick ().


تم اختبار هذا الرمز ويعمل على Android 4.4

Spinner spinner = (Spinner) activity.findViewById(R.id.spinner);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(activity, android.R.layout.simple_spinner_dropdown_item) {

            @Override
            public View getView(int position, View convertView, ViewGroup parent) {

                View v = super.getView(position, convertView, parent);
                if (position == getCount()) {
                    ((TextView)v.findViewById(android.R.id.text1)).setText("");
                    ((TextView)v.findViewById(android.R.id.text1)).setHint(getItem(getCount())); //"Hint to be displayed"
                }

                return v;
            }       

            @Override
            public int getCount() {
                return super.getCount()-1; // you dont display last item. It is used as hint.
            }

        };

        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        adapter.add("Daily");
        adapter.add("Two Days");
        adapter.add("Weekly");
        adapter.add("Monthly");
        adapter.add("Three Months");
        adapter.add("HINT_TEXT_HERE"); //This is the text that will be displayed as hint.


        spinner.setAdapter(adapter);
        spinner.setSelection(adapter.getCount()); //set the hint the default selection so it appears on launch.
        spinner.setOnItemSelectedListener(this);

حصلت على نفس المشكلة بالنسبة إلى الدوار ، مع اختيار فارغ ، ووجدت حلًا أفضل. إلقاء نظرة على هذا الرمز البسيط.

Spinner lCreditOrDebit = (Spinner)lCardPayView.findViewById(R.id.CARD_TYPE);
spinneradapter lAdapter = 
  new spinneradapter(
    BillPayScreen.this, 
    ndroid.R.layout.simple_spinner_item,getResources().getStringArray(R.array.creditordebit));
lAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
lCreditOrDebit.setAdapter(lAdapter);

هنا spinneradapter هو تخصيص صغير ل arrayadapter. تبدو هكذا:

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;

public class spinneradapter extends ArrayAdapter<String>{
    private Context m_cContext;
    public spinneradapter(Context context,int textViewResourceId, String[] objects) {
        super(context, textViewResourceId, objects);
        this.m_cContext = context;
    }

    boolean firsttime = true;
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if(firsttime){
            firsttime = false;
            //Just return some empty view
            return new ImageView(m_cContext);
        }
        //Let the array adapter take care of it this time.
        return super.getView(position, convertView, parent);
    }
}

لا توجد واجهة برمجة تطبيقات افتراضية لتعيين تلميح على Spinner. لإضافته ، نحتاج إلى حل صغير بدون تنفيذ انعكاس الأمان

List<Object> objects = new ArrayList<Object>();
objects.add(firstItem);
objects.add(secondItem);
// add hint as last item
objects.add(hint);

HintAdapter adapter = new HintAdapter(context, objects, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

Spinner spinnerFilmType = (Spinner) findViewById(R.id.spinner);
spinner.setAdapter(adapter);

// show hint
spinner.setSelection(adapter.getCount());

مصدر المحول:

public class HintAdapter
        extends ArrayAdapter<Objects> {

    public HintAdapter(Context theContext, List<Object> objects) {
        super(theContext, android.R.id.text1, android.R.id.text1, objects);
    }

    public HintAdapter(Context theContext, List<Object> objects, int theLayoutResId) {
        super(theContext, theLayoutResId, android.R.id.text1, objects);
    }

    @Override
    public int getCount() {
        // don't display last item. It is used as hint.
        int count = super.getCount();
        return count > 0 ? count - 1 : count;
    }
}

المصدر الأصلي


لدي غزال على main.xml ومعرفه هو @+id/spinner1

هذا ما أكتب في وظيفة OnCreate الخاصة بي:

spinner1 = (Spinner)this.findViewById(R.id.spinner1);
final String[] groupes = new String[] {"A", "B", "C", "D", "E", "F", "G", "H"};
ArrayAdapter<CharSequence> featuresAdapter = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_spinner_item, new ArrayList<CharSequence>());
featuresAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(featuresAdapter);
for (String s : groupes) featuresAdapter.add(s);

spinner1.setOnItemSelectedListener(new OnItemSelectedListener() {
     public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long id) {
         // Here go your instructions when the user chose something
         Toast.makeText(getBaseContext(), groupes[position], 0).show();
     }
     public void onNothingSelected(AdapterView<?> arg0) { }
});

لا يحتاج إلى أي تطبيق في الفصل.


لقد حاولت مثل ما يلي. خذ زرًا وأعطي حدث النقرة إليه. عن طريق تغيير خلفية الزر ، يبدو أنه دوار.

قم بالإعلان عن المتغيرات العامة alertdialog والقيمة الافتراضية.

AlertDialog d;
static int default_value = 0;
final Button btn = (Button) findViewById(R.id.button1);
btn .setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v)
{
    //c.show();
    final CharSequence str[] = {"Android","Black Berry","Iphone"};
        AlertDialog.Builder builder =
          new AlertDialog.Builder(TestGalleryActivity.this).setSingleChoiceItems(
            str, default_value,new  DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int position)
            {
                Toast.makeText(TestGalleryActivity.this,
                               "" + position,
                               Toast.LENGTH_SHORT).show();
                default_value = position;
                btn.setText(str[position]);
                if(d.isShowing())
                    d.dismiss();
            }
        }).setTitle("Select Any");
        d = builder.create();
        d.show();
    }
});

لقد وجدت هذا الحل:

String[] items = new String[] {"Select One", "Two", "Three"};
Spinner spinner = (Spinner) findViewById(R.id.mySpinner);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, items);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);

spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
    @Override
    public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long id) {
        items[0] = "One";
        selectedItem = items[position];
    }

    @Override
    public void onNothingSelected(AdapterView<?> arg0) {
    }
});

فقط قم بتغيير الصفيف [0] مع "Select One" ثم في onItemSelected ، قم بإعادة تسميته إلى "One".

ليس حل أنيق ، لكنه يعمل: د


ملف XML:

<Spinner android:id="@+id/locationSpinner"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:prompt="@string/select_location" />

نشاط:

private Spinner featuresSelection;
private ArrayAdapter<CharSequence> featuresAdapter;
private List<CharSequence> featuresList;

OnCreate الخاص:

featuresList = new ArrayList<CharSequence>();
featuresAdapter = new ArrayAdapter<CharSequence>(this,
  android.R.layout.simple_spinner_item, featuresList);
featuresAdapter.setDropDownViewResource(
  android.R.layout.simple_spinner_dropdown_item);
featuresSelection = ((Spinner) yourActivity.this
  .findViewById(R.id.locationSpinner));
featuresSelection.setAdapter(featuresAdapter);
featuresSelection.setOnItemSelectedListener(
  new MyOnItemSelectedListener());

بعض الوظائف (إضافة أشياء إلى محول برمجيا)>

featuresAdapter.add("some string");

الآن لديك دوران فارغ ويمكنك كتابة التعليمات البرمجية لعدم فتح مربع الحوار إذا كانت فارغة. أو يمكنهم الضغط مرة أخرى. ولكن يمكنك أيضًا تعبئتها بوظيفة أو قائمة أخرى أثناء وقت التشغيل.


يمكنك تغييره إلى عرض نص واستخدامه:

android:style="@android:style/Widget.DeviceDefault.Light.Spinner"

ثم تحديد خاصية android:text .


I also solved this problem by using the following code. Suppose you are having a list of items eg

ArrayList<Item> itemsArrayList = new ArrayList<Item>();
Item item1 = new Item();
item1.setId(1);
item1.setData("First Element");
Item item2 = new Item();
item2.setId(2);
Item2.setData("Second Element");
itemsArrayList.add(item1);
itemsArrayList.add(item2);

Now we have to provide the strings to spinner because spinner can not understand the object. So we will create an new array list with string items like this ->

ArrayList<String> itemStringArrayList = new ArrayList<String>();
for(Item item : itemsArrayList) {
    itemStringArrayList.add(item.getData());
}

Now we have itemStringArrayList array list with two string items. And we have to show the "Select Item" text as first item. So we have to insert an new string into the itemStringArrayList .

itemStringArrayList.add("Select Item");

Now we have an array list itemsArrayList and we want to show two elements in the drop down. But the condition here is ...If we don't select anything then Select Item should appear as first element which will not be enabled.

So we can implement this functionality like this. If you need to load the array list items into the android spinner. So you will have to use some adapter. So here i'll use the ArrayAdapter . We can use the customise adapter too.

ArrayAdapter<String> itemsArrayAdapter = new ArrayAdapter<String>(getApplicationContext(), R.layout.spinner_item, itemsArrayList){
        @Override
        public boolean isEnabled(int position) {
            if(position == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        @Override
        public View getDropDownView(int position, View convertView,
                                    ViewGroup parent) {
            View view = super.getDropDownView(position, convertView, parent);
            TextView tv = (TextView) view;
            if(position == 0){
                // Set the hint text color gray
                tv.setTextColor(Color.GRAY);
            }
            else {
                tv.setTextColor(Color.BLACK);
            }
            return view;
        }
    };

itemsArrayAdapter.setDropDownViewResource(R.layout.spinner_item);
your_spinner_name.setAdapter(itemsArrayAdapter);

Here in this code. we are using the customised spinner layout ie R.layout.spinner_item . It's a simple text view

<?xml version="1.0" encoding="utf-8"?>
<TextView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="10dp"
    android:textStyle="italic"
    android:fontFamily="sans-serif-medium"
    />

We need to disable the first text in the spinner. So for the position 0 we are disabling the text. And color also we can set by overiding getDropDownView method. So in this way we will get the expected spinner.


I found many good solutions for this. most is working by adding an item to the end of adapter, and don't display the last item in drop-down list. The big problem for me was the spinner drop-down list will start from the bottom of the list. So user see the last items instead of the first items (in case of have many items to show), after touch the spinner for the first time.

So I put the hint item to the beginning of the list. and hide the first item in drop-down list.

private void loadSpinner(){

    HintArrayAdapter hintAdapter = new HintArrayAdapter<String>(context, 0);

    hintAdapter.add("Hint to be displayed");
    hintAdapter.add("Item 1");
    hintAdapter.add("Item 2");
            .
            .
    hintAdapter.add("Item 30");

    spinner1.setAdapter(hintAdapter);

    //spinner1.setSelection(0); //display hint. Actually you can ignore it, because the default is already 0
    //spinner1.setSelection(0, false); //use this if don't want to onItemClick called for the hint

    spinner1.setOnItemSelectedListener(yourListener);
}

private class HintArrayAdapter<T> extends ArrayAdapter<T> {

    Context mContext;

    public HintArrayAdapter(Context context, int resource) {
        super(context, resource);
        this.mContext = context
    }

    @Override 
    public View getView(int position, View convertView, ViewGroup parent) {

        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
        View view = inflater.inflate(android.R.layout.simple_spinner_item, parent, false);
        TextView texview = (TextView) view.findViewById(android.R.id.text1);

        if(position == 0) {
            texview.setText("");
            texview.setHint(getItem(position).toString()); //"Hint to be displayed"
        } else {
            texview.setText(getItem(position).toString());
        }

        return view;
    }

    @Override
    public View getDropDownView(int position, View convertView, ViewGroup parent) {

        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
        View view;

        if(position == 0){
            view = inflater.inflate(R.layout.spinner_hint_list_item_layout, parent, false); // Hide first row
        } else {
            view = inflater.inflate(android.R.layout.simple_spinner_dropdown_item, parent, false);
            TextView texview = (TextView) view.findViewById(android.R.id.text1);
            texview.setText(getItem(position).toString());
        } 

        return view;
    }
}

set the below layout in @Override getDropDownView() when position is 0, to hide the first hint row.

R.layout.spinner_hint_list_item_layout:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" >

</LinearLayout>

I'd just use a RadioGroup with RadioButtons if you only have three choices, you can make them all unchecked at first.


None of the previously submitted answers really worked the way I wanted to solve this issue. To me the ideal solution would provide the “Select One” (or whatever initial text) when the spinner is first displayed. When the user taps the spinner, the initial text shouldn't be a part of the drop down that is displayed.

To further complicate my particular situation, my spinner data is coming form a cursor that is loaded via the LoaderManager callbacks.

After considerable experimentation I came up with the following solution:

public class MyFragment extends Fragment implements
LoaderManager.LoaderCallbacks<Cursor>{

private static final String SPINNER_INIT_VALUE = "Select A Widget";
private Spinner mSpinner;
private int mSpinnerPosition;
private boolean mSpinnerDropDownShowing = false;
private View mSpinnerDropDown;

private MyCursorAdapter mCursorAdapter;

...

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
...

mCursorAdapter = new MyCursorAdapter(getActivity());

mSpinner = (Spinner) rootView.findViewById(R.id.theSpinner);
mSpinner.setOnTouchListener(mSpinnerTouchListener);
mSpinner.setAdapter(mCursorAdapter);

...
}

//Capture the touch events to toggle the spinner's dropdown visibility
private OnTouchListener mSpinnerTouchListener = new View.OnTouchListener() {
    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
        if(mSpinnerDropDown != null && mSpinnerDropDownShowing == false){
            mSpinnerDropDownShowing = true;
            mSpinnerDropDown.setVisibility(View.VISIBLE);
        }
        return false;
    }
};

//Capture the click event on the spinner drop down items
protected OnClickListener spinnerItemClick = new OnClickListener(){

    @Override
    public void onClick(View view) {
        String widget = ((TextView) view.findViewById(android.R.id.text1)).getText().toString();

        if(!widget.equals(SPINNER_INIT_VALUE)){
            if(mCursorAdapter != null){
                Cursor cursor = mCursorAdapter.getCursor();
                if(cursor.moveToFirst()){
                    while(!cursor.isAfterLast()){
                        if(widget.equals(cursor.getString(WidgetQuery.WIDGET_NAME))){

                            ...

                            //Set the spinner to the correct item
                            mSpinnerPosition = cursor.getPosition() + 1;
                            mSpinner.setSelection(mSpinnerPosition);
                            break;
                        }
                        cursor.moveToNext();
                    }
                }
            }
        }

        //Hide the drop down. Not the most elegent solution but it is the only way I could hide/dismiss the drop down
        mSpinnerDropDown = view.getRootView();
        mSpinnerDropDownShowing = false;
        mSpinnerDropDown.setVisibility(View.GONE);
    }
};

private class MyCursorAdapter extends CursorAdapter {

    private final int DISPLACEMENT = 1;
    private final int DEFAULT_ITEM_ID = Integer.MAX_VALUE;

    private Activity mActivity;

    public MyCursorAdapter(Activity activity) {
            super(activity, null, false);
            mActivity = activity;
    }

    //When loading the regular views, inject the defualt item
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if(position == 0){
            if(convertView == null){
                convertView = mActivity.getLayoutInflater().inflate(R.layout.list_item_widget, parent, false);
            }
            return getDefaultItem(convertView);
        }
        return super.getView(position - DISPLACEMENT, convertView, parent);
    }

    //When loading the drop down views, set the onClickListener for each view
    @Override
    public View getDropDownView(int position, View convertView, ViewGroup parent){
        View view = super.getDropDownView(position, convertView, parent);
        view.setOnClickListener(spinnerItemClick);
        return view;
    }

    //The special default item that is being injected
    private View getDefaultItem(View convertView){
        TextView text = (TextView) convertView.findViewById(android.R.id.text1);
        text.setText(SPINNER_INIT_VALUE);
        return convertView;
    }

    @Override
    public long getItemId(int position) {
        if (position == 0) {
            return DEFAULT_ITEM_ID;
        }
        return super.getItemId(position - DISPLACEMENT);
    }

    @Override
    public boolean isEnabled(int position) {
        return position == 0 ? true : super.isEnabled(position - DISPLACEMENT);
    }

    @Override
    public int getViewTypeCount() {
        return super.getViewTypeCount() + DISPLACEMENT;
    }

    @Override
    public int getItemViewType(int position) {
        if (position == 0) {
            return super.getViewTypeCount();
        }

        return super.getItemViewType(position - DISPLACEMENT);
    }

    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        return mActivity.getLayoutInflater().inflate(R.layout.list_item_widget, parent, false);
    }

    @Override
    public void bindView(View view, Context context, Cursor cursor){

        if(cursor.isAfterLast()){
            return;
        }

        TextView text = (TextView) view.findViewById(android.R.id.text1);
        String WidgetName = cursor.getString(WidgetQuery.WIDGET_NAME);
        text.setText(WidgetName);
    }
}
}

Seems a banal solution but I usually put simply a TextView in the front of the spinner. The whole Xml looks like this. (hey guys, don't shoot me, I know that some of you don't like this kind of marriage):

<FrameLayout
    android:id="@+id/selectTypesLinear"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >

    <Spinner
        android:id="@+id/spinnerExercises"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:entries="@array/exercise_spinner_entries"
        android:prompt="@string/exercise_spinner_prompt"
     />                         
    <TextView
        android:id="@+id/spinnerSelectText"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="Hey! Select this guy!"
        android:gravity="center"
        android:background="#FF000000" />


</FrameLayout>

Then I hide the TextView when an Item was selected. Obviously the background color of the TextView should be the same as the Spinner. Works on Android 4.0. Don't know on older versions.

نعم فعلا. Because the Spinner calls setOnItemSelectedListener at the beginning, the hiding of the textview could be a little bit tricky, but can be done this way:

    Boolean controlTouched;

    exerciseSpinner.setOnTouchListener(new OnTouchListener() {


        @Override
        public boolean onTouch(View v, MotionEvent event) {
            controlTouched = true; // I touched it but but not yet selected an Item.
            return false;
        }

    });
    exerciseSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {

        @Override
        public void onItemSelected(AdapterView<?> arg0, View arg1,
                int arg2, long arg3) {
            if (controlTouched) { // Are you sure that I touched it with my fingers and not someone else  ?
                spinnerSelText.setVisibility(View.GONE);
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> arg0) {
        }

    });

This is my way:

List<String> list = new ArrayList<String>();
list.add("string1");
list.add("string2");
list.add("string3");
list.add("[Select one]");
final int listsize = list.size() - 1;
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, list) {
 @Override
public int getCount() {
    return(listsize); // Truncate the list
}
};
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mySpinner.setAdapter(dataAdapter);

mySpinner.setSelection(listsize); // Hidden item to appear in the spinner

for me it worked something like this. has the improvement that only changes the text in SOME options, not in all.

First i take the names of the spinner and create the arrayadapter with a customize view, but it doesn't matter now, the key is override the getView, and inside change the values u need to change. In my case was only the first one, the rest i leave the original

public void rellenarSpinnerCompeticiones(){
        spinnerArrayCompeticiones = new ArrayList<String>();
        for(Competicion c: ((Controlador)getApplication()).getCompeticiones()){
            spinnerArrayCompeticiones.add(c.getNombre());
        }
        //ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(this,R.layout.spinner_item_competicion,spinnerArrayCompeticiones);
        ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(this, R.layout.spinner_item_competicion, spinnerArrayCompeticiones){
            @Override
            public View getView(int position, View convertView, ViewGroup parent) {
                LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                final View v = vi.inflate(R.layout.spinner_item_competicion, null);
                final TextView t = (TextView)v.findViewById(R.id.tvCompeticion);
                if(spinnerCompeticion.getSelectedItemPosition()>0){
                    t.setText(spinnerArrayCompeticiones.get(spinnerCompeticion.getSelectedItemPosition()));
                }else{
                    t.setText("Competiciones");
                }
                return v;
            }
        };
        spinnerArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinnerCompeticion.setAdapter(spinnerArrayAdapter);
    }

here's a simple one

    private boolean isFirst = true;
private void setAdapter() {
    final ArrayList<String> spinnerArray = new ArrayList<String>();     
    spinnerArray.add("Select your option");
    spinnerArray.add("Option 1");
    spinnerArray.add("Option 2");
    spin.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
            TextView tv = (TextView)selectedItemView;
            String res = tv.getText().toString().trim();
            if (res.equals("Option 1")) {
            //do Something
        } else if (res.equals("Option 2")) {
            //do Something else
        }
        }

        @Override
        public void onNothingSelected(AdapterView<?> parentView) { }

    });

    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.my_spinner_style,spinnerArray) {
         public View getView(int position, View convertView, ViewGroup parent) {
             View v = super.getView(position, convertView, parent);
             int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 25, getResources().getDisplayMetrics());                  
             ((TextView) v).setTypeface(tf2);
             ((TextView) v).getLayoutParams().height = height;
             ((TextView) v).setGravity(Gravity.CENTER);
             ((TextView) v).setTextSize(TypedValue.COMPLEX_UNIT_SP, 19);
             ((TextView) v).setTextColor(Color.WHITE);
             return v;
         }

         public View getDropDownView(int position, View convertView,
                 ViewGroup parent) {
             if (isFirst) {
                 isFirst = false;
                 spinnerArray.remove(0);
             }
             View v = super.getDropDownView(position, convertView, parent);                  
             ((TextView) v).setTextColor(Color.argb(255, 70, 70, 70));
             ((TextView) v).setTypeface(tf2);
             ((TextView) v).setGravity(Gravity.CENTER);
             return v;
         }
     };
     spin.setAdapter(adapter);
}




android-spinner