The notification notification on the top bar of the Android home page.

1  PackageCom.lixu.tongzhi;
2 3 Importandroid.app.Activity;4 Importandroid.app.Notification;5 ImportAndroid.app.NotificationManager;6 ImportAndroid.os.Bundle;7 ImportAndroid.support.v4.app.NotificationCompat;8 ImportAndroid.view.View;9 ImportAndroid.view.View.OnClickListener;Ten ImportAndroid.widget.Button; One ImportAndroid.widget.Toast; A  -  Public classMainactivityextendsActivity { -  the     Private Static Final intID = 1987; -  - @Override -     protected voidonCreate (Bundle savedinstancestate) { +         Super. OnCreate (savedinstancestate); - Setcontentview (r.layout.activity_main); +  AButton BTN1 =(Button) Findviewbyid (r.id.fasong); atButton btn2 =(Button) Findviewbyid (R.id.qingchu); -  -Btn1.setonclicklistener (NewOnclicklistener () { -  - @Override -              Public voidOnClick (View v) { in send (); -  toToast.maketext (Getapplicationcontext (), "Send notification successfully!" ", 0). Show (); +  -             } the         }); *  $Btn2.setonclicklistener (NewOnclicklistener () {Panax Notoginseng  - @Override the              Public voidOnClick (View v) { +  A Delete (); the  +Toast.maketext (Getapplicationcontext (), "Clear notification succeeded!" ", 0). Show (); -  $             } $         }); -  -     } the  -     Private voidSend () {Wuyi         //Get Notification Manager theNotificationmanager Manager =(Notificationmanager) Getsystemservice (notification_service); -  WuNotificationcompat.builder Mbuilder =NewNotificationcompat.builder ( This); -         //set up a notification picture About Mbuilder.setsmallicon (R.DRAWABLE.SDFDF); $         //Set Title -Mbuilder.setcontenttitle ("Little Superman has come!" "); -         //Set notification content -Mbuilder.setcontenttext ("I am a little Superman, the master has something to command.") "); A  +Notification Notification =mbuilder.build (); the         //set notification sounds or vibrations.  -Notification.defaults = Notification.default_sound |notification.default_vibrate; $         //Notification Time theNotification.when =System.currenttimemillis (); the         //send this notification via a specific ID the manager.notify (ID, notification); the  -     } in  the     Private voidDelete () { the         //Get Notification Manager AboutNotificationmanager Manager =(Notificationmanager) Getsystemservice (notification_service); the Manager.cancel (ID); the  the     } +  -}

Frequently used program notifications, displayed to the top bar of the main page.

XML file:

1 <Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width= "Match_parent"4 Android:layout_height= "Match_parent" >5 6     <Button7         Android:id= "@+id/fasong"8 Android:layout_width= "Wrap_content"9 Android:layout_height= "Wrap_content"Ten Android:layout_alignleft= "@+id/qingchu" One Android:layout_alignparenttop= "true" A Android:layout_margintop= "56DP" - Android:text= "Send Notification" /> -  the     <Button -         Android:id= "@+id/qingchu" - Android:layout_width= "Wrap_content" - Android:layout_height= "Wrap_content" + Android:layout_below= "@+id/fasong" - Android:layout_centerhorizontal= "true" + Android:layout_margintop= "88DP" A Android:text= "Clear Notification" /> at  - </Relativelayout>

Run:

The notification notification on the top bar of the Android home page.