android - how to set the value in custom notification textview -

please me set text in textview in custom notification

    private void startnotification()  {      string ns = context.notification_service;     notificationmanager notificationmanager = (notificationmanager) getsystemservice(ns);     notification notification = new notification(r.drawable.ic_launcher, null, system.currenttimemillis());     remoteviews notificationview = new remoteviews(getpackagename(),r.layout.mynotification);     mremoteviews.settextviewtext(r.id.appname, getresources().gettext(0,"gfhf"));     mbuilder.setcontent(mremoteviews);     intent notificationintent = new intent(this, flashlight.class);     pendingintent pendingnotificationintent = pendingintent.getactivity(this, 0, notificationintent, 0);     notification.contentview = notificationview;     notification.contentintent = pendingnotificationintent;     notification.flags |= notification.flag_no_clear;     intent switchintent = new intent(this, switchbuttonlistener.class);     pendingintent pendingswitchintent = pendingintent.getbroadcast(this, 0, switchintent, 0);     notificationview.setonclickpendingintent(r.id.closeonflash,  pendingswitchintent);     notificationmanager.notify(1, notification);  } 

java.lang.nullpointerexception: attempt invoke virtual method 'void android.widget.remoteviews.settextviewtext(int, java.lang.charsequence)' on null object reference

please me how resolve . how set value on textview in notification in android , in advance .

check this:

private void startnotification() {      int icon = r.drawable.icon_48;     long when = system.currenttimemillis();     notification notification = new notification(icon, "custom notification", when);      notificationmanager mnotificationmanager = (notificationmanager) getsystemservice(notification_service);      remoteviews contentview = new remoteviews(getpackagename(), r.layout.custom_notification);     contentview.setimageviewresource(r.id.image, r.drawable.icon_48);     contentview.settextviewtext(r.id.title, "notification title/app name");     contentview.settextviewtext(r.id.text, "message");     notification.contentview = contentview;      intent notificationintent = new intent(this, yourclass.class);     pendingintent contentintent = pendingintent.getactivity(this, 0, notificationintent, pendingintent.flag_update_current);     notification.contentintent = contentintent;      notification.flags |= notification.flag_auto_cancel;     notification.defaults |= notification.default_lights; // led     notification.defaults |= notification.default_vibrate; //vibration     notification.defaults |= notification.default_sound; // sound      mnotificationmanager.notify(1, notification); } 

custom_notification.xml:

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#fff" android:padding="10dp">  <imageview     android:id="@+id/image"     android:layout_width="wrap_content"     android:layout_height="fill_parent"     android:layout_alignparentleft="true"     android:layout_marginright="10dp" />  <textview     android:id="@+id/title"     style="custom notification title"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_torightof="@id/image"     android:textsize="18sp"     android:textcolor="#336ba4" />  <textview     android:id="@+id/text"     style="custom notification text"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_below="@id/title"     android:layout_torightof="@id/image"     android:textsize="16sp"     android:textcolor="#336ba4" /> </relativelayout>