spinner chooser

Describes how to modify the Spinner style of an Android instance. For android project development, it is often used to implement the drop-down box effect of the Spinner. The following methods can be used to load an adapter from a Spinner: 1. Directly load the ArrayAdapter and SimpleAdapter provided by android; 2. Customize the adapter that inherits the BaseAdapte

First add the spinner control to the XML file: Copy Code code as follows: Android:id= "@+id/myspinner" android:layout_height= "Wrap_content" Android:layout_width= "Fill_parent" /> To write in an activity: Copy Code code as follows: Package Com.example.spinner; Import android.app.Activity;Import Android.os.Bundle;Import Android.view.View;Import Android.widget.AdapterView;Import Android.widget.AdapterView.O

Typically, if the list item that you want to display in the list selection box is known, you can save it in an array resource file, and then specify the list item for the list selection box by using an array resource. This allows you to implement a drop-down selection box without writing Java code.1. Add a Where the Android:entries property is used to specify the list item, if the property is not specified in the layout file, it can be specified in the Java code by specifying an adapter for it;2

First, add a spinner control to the XMLThen add a spinner item to the XML, which sets the effect of each column, the name is called: Spitem.xmlFinally, load the spinner in the codeimportandroid.app.activity;importandroid.os.bundle;import android.widget.ArrayAdapter;importandroid.widget.Spinner;publicclassMainActivity extendsactivity{spinnerspinner; @Overrideprote

Learn spinner TodayLinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical" >SpinnerAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:entries= "@array/books"android:prompt= "@string/tip" /> SpinnerAndroid:id= "@+id/

Preface You need to set the default options after adapting the data to the spinner. However, it is found that the setselection (INT position) option is selected when it is enabled, however, the displayed option is always the first one by default.Article1. Article 1. Using spinner. setselection finding the spinner doesn't show the selected item when clos

Package com. android. liu. ui; Import com. android. liu. R; Import android. app. Activity;Import android. OS. Bundle;Import android. view. View;Import android. widget. AdapterView;Import android. widget. ArrayAdapter;Import android. widget. Spinner;Import android. widget. TextView; Public class SpinnerActivity extends Activity {Private static final String [] m_Countries = {"A", "B", "AB", "O", "other "};Private TextView m_TextView;Private

I followed the previous article. This time, the goblin told me not to use the RadioButton control. It's hard to see it, but it still occupies a place. It takes up four places to catch a person, then I only need to take a place to catch a person, so I used the Spinner control to catch one at a time. Main. xml is as follows View plainAndroid: orientation = "vertical" android: layout_width = "fill_parent"Android: layout_height = "fill_parent">Android: la

Learning notes for Android: Use Cases in the Spinner drop-down list (1) Two methods are used to extract the data source from the Spinner: using the list set or configuring through the xml file (2) The layout code is as follows: (2) Package com. example. spinners; import java. util. arrayList; import java. util. list; import android. app. activity; import android.

Android pure java write Spinner, Android pure javaspinner [Java]View plaincopy Import android. app. Activity; Import android. OS. Bundle; Import android. view. View; Import android. widget .*; Import android. widget. AdapterView. OnItemSelectedListener; Public class SpinnerTest extends Activity { Private LinearLayout mainLayout = null; Private TextView tv1 = null; Private Spinner spinner1

For mobile phones and tablet applications, typing is a very inconvenient way to operate, and a better way to do this is to list a set of options for the user to choose from, thus avoiding the hassle of typing. Use the Spinner drop-down menu component to complete the following steps:1. Create a list of options, with many project names in the options list, which are represented by arrays;2. Set the option list to a