Customn DropDown Spinner in Android

Hello everyone!

Here’s another cool Android tutorial that talks about creating your own DropDown Spinner widget in Android. From the Android developers page, a Spinner is a view that displays one child at a time and lets the user pick among them.Our Default Spinner provide Drop Down above 4.0 version. In this tutorial you will create a customized Spinner like Gmail app using library project. This is also work in 4.0 below version. You can create spinner like this:

Using this Library you can set following features:

Methods:

• setItemTextColor(int color) - Set the item text font color in drop down.

• setItemBackgroundColor(int color) - Set the item background color in drop down.

• setItemTextSize (int size) - Set the item text size

• setVisibleItemNo (int no) - Set the height of DropDown spinner equal to number of visible rows

• addItem(String item) - Add the single string item in spinner

• addItem(String item, int resId) - Add the single string item and image in spinner

• setItems(String[] arr) - Set the string array in spinner

• setItems(String[] arr, int[] ico) - Set the string array & image array in list. size of string array and image array required equal.

• getSelectedPosition() - Return the position of currently selected item within the adapter's data set.

• setSelectedPosition(int selectedPosition)- Set the currently selected item.

Listener : 

  setOnItemClickListener

  setOnItemSelectedListener


 You can set custom spinner control in xml like this:

<com.anky.dropdownspinner.DropdownSpinner
            android:id="@+id/my_spinner1" 
            android:layout_width="40dp" 
            android:layout_height="40dp" 
            android:background="@drawable/standard_menu_button_bg" 
            android:text="" />

You can set property like this:

private DropdownSpinner spinner1  = (DropdownSpinner) findViewById(R.id.my_spinner1); 

private String[] strings = { "Inter Milan", "AC Mila", "Manchesterb",
            "Barcelona", "Valencia", "Juventus" }; 

spinner1.setItems(strings);

spinner1.addItem("Test1"); 

spinner1.addItem("Test2");  

spinner1.addItem("Test3",R.drawable.ic_menu_moreoverflow_normal_holo_light);
 
spinner1.addItem("", R.drawable.ic_menu_moreoverflow_normal_holo_light);  

spinner1.addItem("Test4", -1); 

spinner1.setVisibleItemNo(5);  

spinner1.setItemTextColor(Color.BLACK); 

spinner1.setItemPadding(18, 15, 18, 15); 

spinner1.setItemTextSize(20); 

spinner1.setItemBackgroundColor(Color.WHITE);  

spinner1.setOnItemClickListener(new OnItemClickListener()  { @Override public void onItemClick(AdapterView paramAdapterView,  View paramView, int paramInt, long paramLong) 
{ // TODO Auto-generated method stub

 clickItem = "Center: Click item:" + paramInt; txtClick.setText(clickItem); 

 }  
});

 You can download source code from here.