android.widget.SpinnerAdapter#getCount ( )源码实例Demo

public void setChoice( SolarEvents choice )
{
    if (choice != null)
    {
        this.choice = choice;
        if (spinner_scheduleMode != null)
        {
            SpinnerAdapter adapter = spinner_scheduleMode.getAdapter();
            if (adapter != null)
            {
                for (int i = 0; i < adapter.getCount(); i++)
                {
                    SolarEvents event = (SolarEvents) adapter.getItem(i);
                    if (event.equals(choice))
                    {
                        spinner_scheduleMode.setSelection(i);
                        break;
                    }
                }
            }
        }
    }
}
 

private static void setSpinnerPosition(final Spinner spinner, final Object itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final Object item = spinner.getItemAtPosition(i);
        if (item.equals(itemToSelect)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private static void setSpinnerPosition(final Spinner spinner, final Object itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final Object item = spinner.getItemAtPosition(i);
        if (item.equals(itemToSelect)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private static void setSubtypeSpinnerPosition(final Spinner spinner, final SubtypeLocaleItem itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final SubtypeLocaleItem item = (SubtypeLocaleItem)spinner.getItemAtPosition(i);
        if (item.mLocaleString.equals(itemToSelect.mLocaleString)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private static void setLayoutSpinnerPosition(final Spinner spinner, final KeyboardLayoutSetItem itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final KeyboardLayoutSetItem item = (KeyboardLayoutSetItem)spinner.getItemAtPosition(i);
        if (item.mLayoutName.equals(itemToSelect.mLayoutName)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private void selectItemOfSpinner( Spinner spinner , String s )
{
    SpinnerAdapter adapter = spinner.getAdapter();
    int max = adapter.getCount();
    for( int i=0;i<max;i++ ){
        String item = (String)adapter.getItem(i);
        if ( s.equals(item) ){
            spinner.setSelection(i);
            break;
        }
    }
    return;
}
 

@Override
public int getNavigationItemCount() {
    switch (mActionView.getNavigationMode()) {
        case NAVIGATION_MODE_TABS:
            return mTabs.size();
        case NAVIGATION_MODE_LIST:
            SpinnerAdapter adapter = mActionView.getDropdownAdapter();
            return adapter != null ? adapter.getCount() : 0;
        default:
            return 0;
    }
}
 

private static void setSubtypeSpinnerPosition(final Spinner spinner, final SubtypeLocaleItem itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final SubtypeLocaleItem item = (SubtypeLocaleItem)spinner.getItemAtPosition(i);
        if (item.mLocaleString.equals(itemToSelect.mLocaleString)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private static void setLayoutSpinnerPosition(final Spinner spinner, final KeyboardLayoutSetItem itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final KeyboardLayoutSetItem item = (KeyboardLayoutSetItem)spinner.getItemAtPosition(i);
        if (item.mLayoutName.equals(itemToSelect.mLayoutName)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private static void setSpinnerPosition(final Spinner spinner, final Object itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final Object item = spinner.getItemAtPosition(i);
        if (item.equals(itemToSelect)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

private void editRecur(Recur recur) {
    editStartDate(recur.startDate);
    RecurInterval interval = recur.interval;
    SpinnerAdapter adapter = sInterval.getAdapter();
    int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        SpinnerItem item = (SpinnerItem) adapter.getItem(i);
        if (interval == RecurInterval.valueOf(item.value)) {
            sInterval.setSelection(i);
            break;
        }
    }
    View v = selectInterval(interval);
    switch (interval) {
        case EVERY_X_DAY:
            editEveryXDay(v, recur);
            break;
        case WEEKLY:
            editWeekly(v, recur);
            break;
        case SEMI_MONTHLY:
            editSemiMonthly(v, recur);
            break;
    }
    RecurPeriod period = recur.period;
    sPeriod.setSelection(period.ordinal());
    v = selectPeriod(period);
    switch (period) {
        case EXACTLY_TIMES:
            editExactlyTimes(v, recur.periodParam);
            break;
        case STOPS_ON_DATE:
            editStopsOnDate(v, recur.periodParam);
            break;
    }
}
 

private void setSpinnerSelection(Spinner spinner, int position) {
    SpinnerAdapter adapter = spinner.getAdapter();
    if (adapter != null) {
        final int count = adapter.getCount();
        if (count > 0 && position < count) {
            spinner.setSelection(position, true);
        }
    }
}
 

@Override
public int getNavigationItemCount() {
    switch (mActionView.getNavigationMode()) {
        case NAVIGATION_MODE_TABS:
            return mTabs.size();
        case NAVIGATION_MODE_LIST:
            SpinnerAdapter adapter = mActionView.getDropdownAdapter();
            return adapter != null ? adapter.getCount() : 0;
        default:
            return 0;
    }
}
 

private void selectItemOfSpinner( Spinner spinner , String s )
{
    SpinnerAdapter adapter = spinner.getAdapter();
    int max = adapter.getCount();
    for( int i=0;i<max;i++ ){
        String item = (String)adapter.getItem(i);
        if ( s.equals(item) ){
            spinner.setSelection(i);
            break;
        }
    }
    return;
}
 

void setSpinnerSelection(String notebookSummary){
    Spinner spinner = (Spinner) activity.findViewById(R.id.spinner_notebook);
    SpinnerAdapter adapter = spinner.getAdapter();
    for(int i=0;i<adapter.getCount();i++){
        String nbsummary = adapter.getItem(i).toString();
        if(nbsummary.equals(notebookSummary)){
            spinner.setSelection(i);
            break;
        }
    }
}
 

@Override
public int getNavigationItemCount() {
    switch (mActionView.getNavigationMode()) {
        case NAVIGATION_MODE_TABS:
            return mTabs.size();
        case NAVIGATION_MODE_LIST:
            SpinnerAdapter adapter = mActionView.getDropdownAdapter();
            return adapter != null ? adapter.getCount() : 0;
        default:
            return 0;
    }
}
 

private static void setSpinnerPosition(final Spinner spinner, final Object itemToSelect) {
    final SpinnerAdapter adapter = spinner.getAdapter();
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final Object item = spinner.getItemAtPosition(i);
        if (item.equals(itemToSelect)) {
            spinner.setSelection(i);
            return;
        }
    }
}
 

@Override
public int getNavigationItemCount() {
    switch (mActionView.getNavigationMode()) {
        case NAVIGATION_MODE_TABS:
            return mTabs.size();
        case NAVIGATION_MODE_LIST:
            SpinnerAdapter adapter = mActionView.getDropdownAdapter();
            return adapter != null ? adapter.getCount() : 0;
        default:
            return 0;
    }
}
 

@Override
public int getNavigationItemCount() {
    switch (mActionView.getNavigationMode()) {
        case NAVIGATION_MODE_TABS:
            return mTabs.size();
        case NAVIGATION_MODE_LIST:
            SpinnerAdapter adapter = mActionView.getDropdownAdapter();
            return adapter != null ? adapter.getCount() : 0;
        default:
            return 0;
    }
}
 

public void setAdapter(SpinnerAdapter adapter) {
    if (adapter.getCount() > 0) {
        lastPosition = 0;
    }
    spinner.setAdapter(adapter);
}