Android common control Autocompletetextview, Spinner

Overview

1, Autocompletetextview: Compared to the ordinary Textview,autocompletetextview feature is the ability to automatically prompt text, it can be loaded through the Setadapter () method adapter.
2, Spinner: A drop-down list.

Knowledge Content Autocompletedtextview

Layout file

<Relativelayout xmlns: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:paddingleft="@dimen/activity_horizontal_margin"                Android:paddingright="@dimen/activity_horizontal_margin"                Android:paddingtop="@dimen/activity_vertical_margin"                Android:paddingbottom="@dimen/activity_vertical_margin"                Tools:context=". Mainactivity ">    <autocompletetextviewandroid:id="@+id/auto_complete_textview"android: Layout_width="Match_parent"android:layout_height="Wrap_content"android: TextColor="#2af"/>                                </relativelayout>

Java section

 Public  class mainactivity extends Activity {    PrivateAutocompletetextview Mcompletetextview;PrivateArrayadapter<string> Marrayadapter;PrivateString[] Mdata = {"Layout_linear","Layout_relative","Layout_absolute","Text_view","Button_image","Button_radio"};@Override    protected void onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate);        Setcontentview (r.layout.spinner_layout);        Mcompletetextview = (Autocompletetextview) Findviewbyid (R.id.auto_complete_textview); Marrayadapter =NewArrayadapter<string> ( ThisAndroid.        R.layout.test_list_item,mdata);    Mcompletetextview.setadapter (Marrayadapter); }}

Results Demo:

Spinner

Layout file

<?xml version= "1.0" encoding= "Utf-8"?><linearlayout xmlns:android="Http://schemas.android.com/apk/res/android"  Android:orientation="vertical"android:layout_width="Match_parent"android: Layout_height="Match_parent">                                              <Spinnerandroid:id="@+id/spinner"android:layout_width= "Match_parent" android:layout_height="Wrap_content">                            </Spinner></linearlayout>

Java section

 Public  class mainactivity extends Activity {    PrivateSpinner Mspinner;PrivateString[] Mdata = {"Layout_linear","Layout_relative","Layout_absolute","Text_view","Button_image","Button_radio"};@Override    protected void onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate);        Setcontentview (R.layout.activity_main);        Mspinner = (Spinner) Findviewbyid (R.id.spinner);    Mspinner.setadapter (Marrayadapter); }}

Results Demo

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Android common control Autocompletetextview, Spinner