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For services running in the background, some methods are required to notify users, such as notifying users of incoming calls and notifying users of new messages. Such notifications are displayed on the status bar and can contain hardware reminders, such as vibration, flashing LED light, and playing sound. In Android, you can use icationicationmanager to initiate a notif
Android Notification analysis-various problems you may encounter
There are various summaries on the use of notifications on the Internet, and many summaries on csdn are also in place. Here we will not repeat the summary here. You can search for them or refer to the links below. When I started learning, I carefully read some of them. Now the function development is complete, and I will share some of my recen
Status bar notifications)
The status bar icon adds an icon to the system's status bar (with an optional text reminder message) and adds a notification message in the notification window. When you select this notification, the android system will trigger an intent object defined by the
Android Wear development-how to create a Notification and androidwear associated with wearable devices
Create notification
Icationicationcompat. Builder can be used to create notifications that can be displayed on both mobile phones and wearable devices. If a notification is created using this type, the system determin
interface Imynotificationbuilder {public Stati C final String notification_id = IMyNotificationBuilder.class.getSimpleName (); Notification buildnotification (string title, string content);}See here, students familiar with the design pattern should know that we are using the builder model to build different notification, according to Convention, there will usually be a
icationicationmanager and Notification a and icationicationmanager notify users of the event. icationicationmanager has three common methods: 1. cancel (int id) cancels a previously displayed notification. for example, a short notification tries to hide it. For example, a persistent notification will be removed from t
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
Notification is a way for your application to alert users without using activity, and notification is an invisible program component that warns users of the best ways to take notice of events.As part of the UI, notification is the best fit for mobile devices. Users may always have their phone with them. In general, users will open several programs in the backgrou
(Intent.getaction (). Equals ("C")) {Toast.maketext (mainactivity.this, "333333333333", Toast.length_long)
. Show ();
StartActivity (New Intent (Mainactivity.this, Activitytext3.class)); } if (Intent.getaction (). Equals ("D")) {Toast.maketext (mainactivity.this, "4444444444444", Toast.length_long
). Show ();
StartActivity (New Intent (Mainactivity.this, Activitytext4.class));
}
}
}
}
The following are the settings for some properties:
* * Add
; /* Prompt way Default_all: ringtones, flashes, vibrations are system default. Default_sound: System default ringtone. Default_vibrate: System default vibration. Default_lights: System default Flash. Other ways: Setsound (Uri sound
custom view can be generated with this code, note that the SetContent () method is used here. This is the method that the online custom notification will use.Notification notification = new NotificationCompat.Builder(context).setContent(remoteViews).build();But it will have a problem.The notification obtained by means of the SetContent () method are fixed high.
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
, "Setimagebitmap", Bitmap); }isn't that what we want? We have only one purpose, to replace the image with the image loaded on the network, we first load the image from the network to local, see the code:public void Set (final context context, String Urlstr, Final bundle bundle) {New asynctaskwe loaded the image from the network into the local formation of the bitmap, and then through the Setimageviewbitmap to set the bitmap in the OK. Look again at the Opennitifnews method:/** * Handling Pus
"); Builder.setwhen (System.currenttimemillis ()); //Drop -down top See the detailed notification information icon CommonBuilder.setcontenttitle ("System Alarm");//Set TitleBuilder.setcontenttext ("meeting with customer at 3pm..");//Set Content//Setting the intent of the notification to be clicked is to open an activity//As for why use Pendingintent, because the Pendingintent object can help you perf
The notification system on the mobile phone can send important messages to users. A well-designed message reminder mechanism is required for smooth, comfortable, and friendly applications. However, not all notifications are intended to be viewed by users. Otherwise, they will only cause harassment to users. Therefore, use the notifications with caution.
During the translation of Android Design, we found tha
Obtain the Android screen size, widget size, status bar/notification bar height, navigation bar height, and android screen size.1. Get Android screen size
We can use the getSize () method to obtain the screen size.
Display display = getWindowManager().getDefaultDisplay();Point size = new Point();display.getSize(size);i
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
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