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A notification is used to display messages in the status bar. When a message arrives, it is represented by an icon as follows:
To view a message, drag the status bar to the bottom of the screen to view the message.TheCodeAs follows:// Obtain the notification ManagerIcationicationmanager mnotificationmanager = (not
user. For most finite events, this is corresponds to the "time" of the event happened (or would happen, in the case of events that have Y ET to occur but about which the user is being informed). Indefinite events should be timestamped according to when the activity began. Some Examples:
Notification of a new chat message should is stamped when the message was received.Notification of ongoing file download (with a progress
Sometimes, we keep sending a notification. If the number of notifications reaches a fixed limit, the notification bar may disappear (Android system lower than 3.0). This problem is actually a bug in Android, next I will analyze the cause of this problem.I. Reasons
When this
This problem I am also drunk, tangled for a long while, tried without several methods, but is not responding.Later found that this feature requires Android 5.0 or more version, a look at my test machine is 4.7, I was excited, immediately changed a test,and eggs ah, there is wood!!!But there is a discovery: I want to set the notification bar to Green, toolbar is a
The same as usual with the use of homing pigeon push, but this time did not respond. After viewing the log discovery did receive a push-over message, with one such line:W/DALVIKVM (23255): vfy:unable To resolve virtual method 1345:landroid/support/v4/app/notificationcompat$builder;. Build () Landroid/app/notification;It seems that the C call to the Android construction
Notification bar Transparency EffectThe effect of the notification bar opacity is this :But this effect is only supported in 4.4+GetWindow (). Addflag (WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);The demo is as follows: @Override protectedvoidonCreate(Bundle savedInstanceState) { super.onCreate(sav
This feature is andorid4.4 support, at least api19 can be used, that is, if the Android machine is less than 4.4, immersion notification bar is ineffective. Here is a brief introduction to the method used.
/**
* Set the notification bar This method is implemented
This feature is andorid4.4 support, at least api19 can be used, that is, if Android is less than 4.4, the immersion notification bar is not effective. Here's how it's done, it's very simple./*** Set the notification bar This method is implemented in OnCreate (), if it is add
In general, the ListView list items will be the same layout, but the content of the fill is different, in this case, Android provides convertview to help us cache list items, to achieve the purpose of recycling, Developers will also use the Viewholder mode to optimize the ListView. However, in some cases, the ListView list item layout is not the same, or even very different, it is not easy to use the same layout resource file to represent different ty
The example in this article describes how the Android program gets the height of the notification bar. Share to everyone for your reference, specific as follows:
This gets the height of the notification bar through the reflection mechanism
The
============ Problem Description ============Android How to get the message content of the notification bar, and then save the message, that is, a message, click into the display after the interface how to know the click of the notification ID and content there is time information.============ Solution 1============Thi
GT-I9300 Mobile Phone upgrade Android 4.1.2 System, the original notice bar icon can be changed. If you accidentally cancel the display of the brightness adjustment option during your use, you can retrieve it by following these methods:
1. Under the Standby page, click "Application".
2. Click "Set".
3. Click "Show".
4. Click on "Notification Panel".
To expand the notification status bar through code, proceed as follows:1. Add permissions to the Androidmanifes.xml file:2. Access to System services3. Call the Expand method with reflectionThe specific code is as follows:Object service=getsystemservice ("StatusBar"), if (service!=null) {Method expand=service.getclass (). GetMethod ("Expand "); Expand.invoke (service);}} catch (Exception e) {}Welcome to joi
Android custom Notification layout Notification, click the Notification navigation to switch back to the original Activity, android custom Layout
A Simple Application Scenario: if the user opens the Activity and presses the Home key, the Activity enters-> onPause ()-> onStop
your text may become less readable.The Remoteviews object also contains some methods to add chronometer and ProgressBar to you. For more information on customizing the layout of the notification bar, refer to the remoteviews documentation.Note: When you use a custom notification bar, pay special attention to how your
General steps for the use of notification
Notification Introduction
Pendingintent Introduction
customizing notification with Remoteviews
Update and remove notifications
Set prompt response
Appendix
Notification the use of the general steps:1. Get Status
Android custom Notification layout Notification, click Notification navigation to switch back to original Activity
A Simple Application Scenario: if the user opens the Activity and presses the Home key, the Activity enters-> onPause ()-> onStop () invisible. The code sends a Notifi
to notificationmanager:Mnotificationmanager.notify(ID, notification);After 3.0, in order to better manage notifications, ANDROIDSDK introduces notification's internal class Notification.builder, which is commonly used to manage notification, dynamically set some properties of notification, use set to set related properties, set method has return value, returns t
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