AppDev

CustomSpinner .java import android . content . Context ; import android . util . AttributeSet ; import android . widget . Spinner ; public class CustomSpinner extends Spinner { private static final String TAG = "CustomSpinner" ; private OnSpinnerEventsListener mListener ; private boolean mOpenInitiated = false ; public CustomSpinner ( Context context , AttributeSet attrs , int defStyleAttr , int mode ) { super ( context , attrs , defStyleAttr , mode ); } public CustomSpinner ( Context context , AttributeSet attrs , int defStyleAttr ) { super ( context , attrs , defStyleAttr ); } public CustomSpinner ( Context context , AttributeSet attrs ) { super ( context , attrs ); } public CustomSpinner ( Context context , int mode ) { super ( context , mode ); } public CustomSpinner ( Context context ) { super ( conte...

Here we need to add the below dependencies files dependencies {     compile 'com.android.support:appcompat-v7:23.1.1'     compile 'com.android.support:design:23.1.1'     compile 'com.android.support:recyclerview-v7:+'     compile 'com.android.support:cardview-v7:23.0.+' } activity_main.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/activity_main"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:paddingBottom="@dimen/activity_vertical_margin"     android:paddingLeft="@dimen/activity_horizontal_margin"     android:paddingRight="@dimen/activity_horizontal_margin"     android:paddingTop="@dimen/activity_vertical_margin"    ...