For a long time without using the Android notification feature, today, two years ago the code moved out a look, found a lot of methods are discarded, the code of various strikethrough look very uncomfortable. So, open Google, view official documents, and learn the latest ways to send notification bar messages.The code in this article is written according to Googl
we know that when using Android notifications, we will use Notificationmanager, notification These two classes, the roles of the two classes are :Notificationmanager: is the status bar notification management class, responsible for sending notifications, clear notification and so on.Notification: status bar
The Android system has a notification bar, which is useful. Notifications are an important part of the interaction between Android and users. For example, new emails, short messages, and missed calls are displayed in the notification bar. We drag down the notification bar an
(xxxhdpi)
. png
These icons is used in the Action bar menu. The first number is the size of the "icon area" and the second is file size.
Small Contextual Icons
16x16 (MDPI)24x24 (HDPI)32x32 (XHDPI)48x48 (XXHDPI)64x64 (XXXHDPI)
. png
Small icons is used to surface actions and/or provide status for specific items. Fo
In this example, Icons Only and Icons and marquee have nothing to note.
The Use Remote views in balloon introduces the Layout that can be customized to display Notification in the Extended Status bar. The Extended Status Bar displays Notification as an icon by default, followed by text, which is sufficient in most case
Analysis of the problem see blog: http://www.cnblogs.com/avenwu/p/4180193.html from http://stackoverflow.com/questions/28387602/ Notification-bar-icon-turns-white-in-android-5-lollipop see the answer and try to succeed. Only a white pattern is implemented. Be sure to follow the settings exactly below. to avoid Notification
At the end of the previous article about how Android gets the music information of a third-party music player, it is mentioned that the information of the currently played song can be obtained by capturing the Notification sent by a third-party music player. First, analyze the Notification update mechanism.
Service involved:
StatusBarManagerService
Icationicati
Wirelessly creating a notification requires the use of Notificationmanager to manage notifications.Can be obtained by invoking the Getssystemservice () method of the context. The Getssystemservice () method receives a parameter, which is a string that specifies which service to use. Context.notification_service is the specified notification service. This method returns an object that you want to cast.Notifi
Such a scenario: Reimbursement approval in OA. If the boss is busy with official business and often goes on a business trip, employees often complain that they cannot get timely reimbursement approval. Therefore, similar approval requirements are frequently used in mobile OA.
The following example shows how to use Android notifications.
Write a simple Activity and press the button to generate a notification
Today, I saw EoE question and answer there is this "[Android interface]notificationmanager How to use bitmap to do the icon" such a problem, in the forum search there is no good case
Feature a simple demo for everyone to refer to
Today, Notificationmanager is using bitmap to make icons.
Key Code
Copy Code code as follows:
public void notification
not display the desktop icon only need to modify the Androidmanifest.xml file. Specific as follows:3, the above settings can make the desktop icon does not display the reason:In general, when our apk is installed, the system will automatically create our APK program, System Launcher (System desktop application) will automatically detect the system has installed the application software package name, and then the app's icon and name resolved to appear in the application
This example describes the notification usage of Android programming. Share to everyone for your reference, specific as follows:
Notification is the meaning of the notice, Andong refers to the notice bar, generally used in the telephone, sms, mail, Alarm bell, in the mobile phone status bar will appear a small icon, prompting users to deal with this newsletter,
. To disable the desktop icon, you only need to modify the AndroidManifest. xml file. The details are as follows:
3. The reason why the desktop icon is not displayed is as follows:
In general, when our APK is installed, the system will automatically create our APK program, system Launcher (system desktop application) the system automatically detects the package names of installed applications, parses the icons and names of these apps, and displays the
in this way. When we tested the Xiaomi and Sony machines, the solution was to replace the previous large icon (we originally 72x72) with the current 32x32 small icon and move it from the previous xxhdpi to the hdpi folder.2, ticker do not display: Direct display notification of the icon, the middle of the ticker process is not shownThis did not find what is the reason, directly put Setfullscreenintent (Mpifullscreen, false) This line can be written o
. The IP address of the computer is 192.168.1.2 and the IP address of the mobile phone is 192.168.1.3. In this case, you need to change the value to xmpphost = 192.168.1.2, you can use it on your mobile phone.
3. If it is a real machine test that is not in the same LAN, we need to set this value to the IP address of the server.
The specific configuration is shown in:
My computer ip address is 192.168.8.107
Main server running interface:
Push information:
The test result is as foll
(Notification_service) method to get the system's NOTIFICATION Manager service2. Create a notification object from the constructor.3. Set various properties for notification.4, send notification through Notificationmanager.Here, we need to be aware of a few permissions to add to the Androidmanifest.xml file:Next, we e
boxSetnegativebutton () To add a Cancel button to a dialog boxSetpositivebutton () to add a OK button to a dialog boxSetneutralbutton () To add a neutral button to a dialog boxSetitems () to add list items to a dialog boxSetsinglechoiceitems () to add a single-selection list item to a dialog boxSetmultichoiceitems () to add multiple-selection list items to a dia
In the QQ project, we have implemented the background operation of the notification bar and sent new message prompts. Generally, we often use two components toast and notification during Message notification. In particular, it is most appropriate to use notification to display important and long-time information. When
application (Menubuilder is the framework class inside the system).It's time to consider reflection, call the Setoptionaliconsvisible method by reflection when the code runs to create the menu, set Moptionaliconsvisible to True, and then add an icon to the menu, This allows you to display the added icon in the menu.@Override Public BooleanOncreateoptionsmenu (Menu menu) {seticonenable (menu,true);//call this implementation to show iconMenu.add ("Add Notes"). SetIcon (R.drawable.add); Menu.add (
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