Android--autocompletetextview, spinner, and message tips

Layout file:

1 <?XML version= "1.0" encoding= "Utf-8"?>2 <LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns:tools= "Http://schemas.android.com/tools"4 Android:layout_width= "Match_parent"5 Android:layout_height= "Match_parent"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_margin"8 Android:paddingright= "@dimen/activity_horizontal_margin"9 Android:paddingtop= "@dimen/activity_vertical_margin"Ten Tools:context= "Com.hanqi.testapp2.TestActivity10" One android:orientation= "vertical"> A  -     <Autocompletetextview -         Android:layout_width= "Match_parent" the Android:layout_height= "Wrap_content" - Android:hint= "Please enter" - Android:id= "@+id/at_1" - Android:completionthreshold= "1"/> +     <LinearLayout -         Android:layout_width= "Match_parent" + Android:layout_height= "Wrap_content"> A         <TextView at             Android:layout_width= "Wrap_content" - Android:layout_height= "Wrap_content" - Android:text= "Education:"/> -         <Spinner -             Android:layout_width= "0DP" - Android:layout_weight= "1" in Android:layout_height= "Wrap_content" - Android:id= "@+id/sp_1"></Spinner> to     </LinearLayout> + <Button -     Android:layout_width= "Match_parent" the Android:layout_height= "Wrap_content" * Android:text= "Send status bar message" $ Android:onclick= "Bt_onclick"/>Panax Notoginseng </LinearLayout>

Java class:

1  Packagecom.hanqi.testapp2;2 3 Importandroid.app.Notification;4 ImportAndroid.app.NotificationManager;5 Importandroid.app.PendingIntent;6 Importandroid.content.Intent;7 Importandroid.support.v7.app.AppCompatActivity;8 ImportAndroid.os.Bundle;9 ImportAndroid.view.View;Ten ImportAndroid.widget.AdapterView; One ImportAndroid.widget.ArrayAdapter; A ImportAndroid.widget.AutoCompleteTextView; - ImportAndroid.widget.Spinner; - ImportAndroid.widget.Toast; the  -  Public classTestActivity10extendsappcompatactivity { -  - Autocompletetextview at_1; + Spinner sp_1; - @Override +     protected voidonCreate (Bundle savedinstancestate) { A         Super. OnCreate (savedinstancestate); at Setcontentview (r.layout.activity_test10); -At_1 =(Autocompletetextview) Findviewbyid (r.id.at_1); -Sp_1 =(Spinner) Findviewbyid (r.id.sp_1); -         //preparing the data source -String[] strings = {"abc", "and", "Bea", "Car", "afcgy", "Ctret", "Auyn"}; -         //preparing the adapter inArrayadapter<string> arrayadapter=NewArrayadapter<string> ( This, r.layout.arry_adapter,strings); -         //to set an adapter for a component to At_1.setadapter (arrayadapter); +  -         //Drop- down list the         FinalString[] xl = {"High school", "specialty", "undergraduate", "Master", "PhD"}; *Arrayadapter<string> SP =NewArrayadapter<string> ( This, R.LAYOUT.ARRY_ADAPTER,XL); $ Sp_1.setadapter (SP);Panax Notoginseng         //Monitor -Sp_1.setonitemselectedlistener (NewAdapterview.onitemselectedlistener () { the @Override +              Public voidOnitemselected (adapterview<?> Parent, view view,intPositionLongID) { AToast.maketext (TestActivity10. This, "Selected item is" +Xl[position], toast.length_short). Show (); the             } +  - @Override $              Public voidOnnothingselected (adapterview<?>parent) { $Toast.maketext (TestActivity10. This, "No choice", Toast.length_short). Show (); -             } -         }); the     } -     //Send MessageWuyi      Public voidBt_onclick (View v) the     { -         //1. Get status Bar message manager WuNotificationmanager nm =(Notificationmanager) Getsystemservice (notification_service); -  About         //Prepare Pendingintent $         //1) Create intent -Intent Intent =NewIntent ( This, TestActivity1.class); -         //2) Generate -pendingintent pi = pendingintent.getactivity ( This, 0, intent, 0); A         //2. Build status bar Messages +Notification NT =NewNotification.builder ( This) the. Setcontenttitle ("Weather Forecast") -. Setcontenttext ("Tomorrow is fine, the temperature is 30°") $ . Setsmallicon (R.drawable.gmail) the. Setticker ("New Weather Forecast") the . SetDefaults (Notification.default_sound) the. Setautocancel (false) the . Setcontentintent (PI) - . Build (); in         //3. Sending messages by manager theNm.notify (0, NT); the     } About}

For:

Clicking on the status notification bar jumps to another activity interface

Related Mind Mapping:

Android--autocompletetextview, spinner, and message tips