How to create a notification with NotificationCompat Builder

Question

I need to create a simple notification which will be shown in notification bar along with the sound and icon if possible  I also need it to be compatitible with Android 2 2  so i found that NotificationCompat Builder works with all APIs above 4  If there s a better solution  feel free to mention it

User · Answer

You can try this code this works fine for me       NotificationCompat Builder mBuilder  new NotificationCompat Builder this        Intent i   new Intent noti this  Xyz activtiy class       PendingIntent pendingIntent  PendingIntent getActivity this 0 i 0        mBuilder setAutoCancel true       mBuilder setDefaults NotificationCompat DEFAULT ALL       mBuilder setWhen 20000       mBuilder setTicker  Ticker        mBuilder setContentInfo  Info        mBuilder setContentIntent pendingIntent       mBuilder setSmallIcon R drawable home       mBuilder setContentTitle  New notification title        mBuilder setContentText  Notification text        mBuilder setSound RingtoneManager getDefaultUri RingtoneManager TYPE NOTIFICATION         NotificationManager notificationManager   NotificationManager getSystemService Context NOTIFICATION SERVICE       notificationManager notify 2 mBuilder build

User · Answer

Notification in depth     CODE   Intent intent   new Intent this  SecondActivity class   PendingIntent pendingIntent   PendingIntent getActivity this 0 intent 0    NotificationCompat Builder mBuilder                   new NotificationCompat Builder context                           setSmallIcon R drawable your notification icon                           setContentTitle  Notification Title                            setContentText  Notification                             setContentIntent pendingIntent     NotificationManager notificationManager    NotificationManager  getSystemService Context NOTIFICATION SERVICE   notificationManager notify 0  mBuilder build       Depth knowledge  Notification can be build using Notification  Builder or NotificationCompat Builder classes  But if you want backward compatibility you should use NotificationCompat Builder class as it is part of v4 Support library as it takes care of heavy lifting for providing consistent look and functionalities of Notification for API 4 and above    Core Notification Properties  A notification has 4 core properties  3 Basic display properties   1 click action property    Small icon Title Text Button click event  Click event when you tap the notification         Button click event is made optional on Android 3 0 and above  It means that you can build your notification using only display properties if your minSdk targets Android 3 0 or above  But if you want your notification to run on older devices than Android 3 0 then you must provide Click event otherwise you will see IllegalArgumentException     Notification Display  Notification are displayed by calling notify   method of NotificationManger class   notify   parameters  There are two variants available for notify method             notify String tag  int id  Notification notification    or                 notify int id  Notification notification    notify method takes an integer id to uniquely identify your notification  However  you can also provide an optional String tag for further identification of your notification in case of conflict           This type of conflict is rare but say  you have created some library   and other developers are using your library  Now they create their own   notification and somehow your notification and other dev s   notification id is same then you will face conflict    Notification after API 11  More control   API 11 provides additional control on Notification behavior    Notification Dismissal By default  if a user taps on notification then it performs the assigned click event but it does not clear away the notification  If you want your notification to get cleared when then you should add this   mBuilder setAutoClear true   Prevent user from dismissing notification A user may also dismiss the notification by swiping it  You can disable this default behavior by adding this while building your notification   mBuilder setOngoing true   Positioning of notification You can set the relative priority to your notification by   mBuilder setOngoing int pri        If your app runs on lower API than 11 then your notification will work without above mentioned additional features  This is the advantage to choosing NotificationCompat Builder over Notification Builder   Notification after API 16  More informative   With the introduction of API 16  notifications were given so many new features Notification can be so much more informative  You can add a bigPicture to your logo  Say you get a message from a person now with the mBuilder setLargeIcon Bitmap bitmap  you can show that person s photo  So in the statusbar you will see the icon when you scroll you will see the person photo in place of the icon   There are other features too    Add a counter in the notification Ticker message when you see the notification for the first time Expandable notification Multiline notification and so on

User · Answer

Show Notificaton in android 8 0   TargetApi Build VERSION CODES O   RequiresApi api   Build VERSION CODES JELLY BEAN     public void show Notification         Intent intent new Intent getApplicationContext   MainActivity class       String CHANNEL ID  MYCHANNEL       NotificationChannel notificationChannel new NotificationChannel CHANNEL ID  name  NotificationManager IMPORTANCE LOW       PendingIntent pendingIntent PendingIntent getActivity getApplicationContext   1 intent 0       Notification notification new Notification Builder getApplicationContext   CHANNEL ID               setContentText  Heading                setContentTitle  subheading                setContentIntent pendingIntent               addAction android R drawable sym action chat  Title  pendingIntent               setChannelId CHANNEL ID               setSmallIcon android R drawable sym action chat               build         NotificationManager notificationManager  NotificationManager  getSystemService Context NOTIFICATION SERVICE           notificationManager createNotificationChannel notificationChannel       notificationManager notify 1 notification

User · Answer

simple way for make notifications   NotificationCompat Builder builder    NotificationCompat Builder  new NotificationCompat Builder this               setSmallIcon R mipmap ic launcher    icon              setContentTitle  Test     tittle              setAutoCancel true   swipe for delete              setContentText  Hello Hello      content     NotificationManager notificationManager    NotificationManager  getSystemService Context NOTIFICATION SERVICE        notificationManager notify 1  builder build

User · Answer

Use this code              Intent intent   new Intent getApplicationContext    SomeActvity class               PendingIntent pIntent   PendingIntent getActivity getApplicationContext                         int  System currentTimeMillis    intent  0                NotificationCompat Builder mBuilder                       new NotificationCompat Builder getApplicationContext                                 setSmallIcon R drawable your notification icon                               setContentTitle  Notification title                                setContentText  Notification message                                 setContentIntent pIntent                NotificationManager notificationManager    NotificationManager  getSystemService Context NOTIFICATION SERVICE               notificationManager notify 0  mBuilder build

User · Answer

Working example       Intent intent   new Intent ctx  HomeActivity class       PendingIntent contentIntent   PendingIntent getActivity ctx  0  intent  PendingIntent FLAG UPDATE CURRENT        NotificationCompat Builder b   new NotificationCompat Builder ctx        b setAutoCancel true        setDefaults Notification DEFAULT ALL        setWhen System currentTimeMillis                   setSmallIcon R drawable ic launcher        setTicker  Hearty365                     setContentTitle  Default notification         setContentText  Lorem ipsum dolor sit amet  consectetur adipiscing elit          setDefaults Notification DEFAULT LIGHTS  Notification DEFAULT SOUND        setContentIntent contentIntent        setContentInfo  Info          NotificationManager notificationManager    NotificationManager  ctx getSystemService Context NOTIFICATION SERVICE       notificationManager notify 1  b build

User · Answer

The NotificationCompat Builder is the most easy way to create Notifications on all Android versions  You can even use features that are available with Android 4 1  If your app runs on devices with Android   4 1 the new features will be used  if run on Android  lt 4 1 the notification will be an simple old notification   To create a simple Notification just do  see Android API Guide on Notifications    NotificationCompat Builder mBuilder       new NotificationCompat Builder this       setSmallIcon R drawable notification icon       setContentTitle  My notification        setContentText  Hello World         setContentIntent pendingIntent     Required on Gingerbread and below   You have to set at least smallIcon  contentTitle and contentText  If you miss one the Notification will not show   Beware  On Gingerbread and below you have to set the content intent  otherwise a IllegalArgumentException will be thrown   To create an intent that does nothing  use   final Intent emptyIntent   new Intent    PendingIntent pendingIntent   PendingIntent getActivity ctx  NOT USED  emptyIntent  PendingIntent FLAG UPDATE CURRENT     You can add sound through the builder  i e  a sound from the RingtoneManager   mBuilder setSound RingtoneManager getDefaultUri RingtoneManager TYPE NOTIFICATION     The Notification is added to the bar through the NotificationManager   NotificationManager notificationManager    NotificationManager  getSystemService Context NOTIFICATION SERVICE   notificationManager notify mId  mBuilder build

User · Answer

I make this method and work fine   tested in android 6 0 1   public void notifyThis String title  String message        NotificationCompat Builder b   new NotificationCompat Builder this context       b setAutoCancel true               setDefaults NotificationCompat DEFAULT ALL               setWhen System currentTimeMillis                 setSmallIcon R drawable favicon32               setTicker   your tiny message                 setContentTitle title               setContentText message               setContentInfo  INFO         NotificationManager nm    NotificationManager  this context getSystemService Context NOTIFICATION SERVICE       nm notify 1  b build

[android] How to create a notification with NotificationCompat.Builder?

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