android-spinner – Page 2

set view text align at center in spinner in android

May 30, 2023 by Tarik

Create a adapter for your spinner like this, ArrayAdapter<String> adapter = new ArrayAdapter<String>(context, R.layout.my_spinner_style,array_of_values) { public View getView(int position, View convertView,ViewGroup parent) { View v = super.getView(position, convertView, parent); ((TextView) v).setTextSize(16); return v; } public View getDropDownView(int position, View convertView,ViewGroup parent) { View v = super.getDropDownView(position, convertView,parent); ((TextView) v).setGravity(Gravity.CENTER); return v; } }; Now your … Read more

How do I place spinner below the spinner layout when it is clicked and show spinner item in lollipop and above?

May 29, 2023 by Tarik

You can use android:overlapAnchor=”false” This will show the dropdown below the spinner view (Work on api level 21 and higher).

How to limit the height of Spinner drop down view in Android

May 26, 2023 by Tarik

You can use Reflection. Spinner spinner = (Spinner) findViewById(R.id.spinner); try { Field popup = Spinner.class.getDeclaredField(“mPopup”); popup.setAccessible(true); // Get private mPopup member variable and try cast to ListPopupWindow android.widget.ListPopupWindow popupWindow = (android.widget.ListPopupWindow) popup.get(spinner); // Set popupWindow height to 500px popupWindow.setHeight(500); } catch (NoClassDefFoundError | ClassCastException | NoSuchFieldException | IllegalAccessException e) { // silently fail… }

Android – configure Spinner to use array

May 9, 2023 by Tarik

Rather than the dual array method, why not fill your ArrayAdapter programmatically with objects of a known type and use that. I’ve written a tutorial of a similar nature (link at the bottom) that does this. The basic premise is to create an array of Java objects, tell the spinner about the, and then use … Read more

Android – Remove Spinner Dropdown Arrow

April 14, 2023 by Tarik

Background @null in the layout xml file also does the trick, if you don’t want to declare a specific style: <Spinner android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:background=”@null”/>

Spinner: get state or get notified when opens

April 3, 2023 by Tarik

Another option to watch for those events is to extend the Spinner class and use one of its methods(performClick() which will trigger its dialog/popup) followed by monitoring the focus of the window holding this custom Spinner. This should provide you with the wanted closed event for all the possible finishing possibilities(for either the dialog or … Read more

Change colour of small triangle on spinner in android

March 27, 2023 by Tarik

The best and easiest solution: spinner.getBackground().setColorFilter(getResources().getColor(R.color.red), PorterDuff.Mode.SRC_ATOP); Other solution (Thanks to Simon) if you don’t want change all Spinners: Drawable spinnerDrawable = spinner.getBackground().getConstantState().newDrawable(); spinnerDrawable.setColorFilter(getResources().getColor(R.color.red), PorterDuff.Mode.SRC_ATOP); if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { spinner.setBackground(spinnerDrawable); }else{ spinner.setBackgroundDrawable(spinnerDrawable); }

How to set dropdown arrow in spinner?

March 27, 2023 by Tarik

Basically one needs to create a custom background for a spinner. It should be something like this: spinner_background.xml <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <item> <layer-list> <item> <color android:color=”@android:color/white”/> </item> <item> <bitmap android:gravity=”center_vertical|right” android:src=”https://stackoverflow.com/questions/20422802/@drawable/ic_arrow_drop_down_black_24dp”/> </item> </layer-list> </item> </selector> Then create a custom style for your spinner, where you specify the above selector as background: <style name=”Widget.App.Spinner” parent=”@style/Widget.AppCompat.Spinner”> <item name=”overlapAnchor”>true</item> … Read more

Android Spinner with different layouts for “drop down state” and “closed state”?

March 9, 2023 by Tarik

You have to create a custom Adapter class for the Spinner and overwrite the two methods getView() for the normal closed view and getDropDownView() for the drop down list view. Both methods must return a View object for a single element. Have a look at this tutorial it might help you getting started.