Well below is a simple example of working with Notifications, go through it, hope it helps!
MainActivity.java
public class MainActivity extends ActionBarActivity {
Button btnShow, btnClear;
NotificationManager manager;
Notification myNotication;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initialise();
manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
btnShow.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
//API level 11
Intent intent = new Intent("com.rj.notitfications.SECACTIVITY");
PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, 1, intent, 0);
Notification.Builder builder = new Notification.Builder(MainActivity.this);
builder.setAutoCancel(false);
builder.setTicker("this is ticker text");
builder.setContentTitle("WhatsApp Notification");
builder.setContentText("You have a new message");
builder.setSmallIcon(R.drawable.ic_launcher);
builder.setContentIntent(pendingIntent);
builder.setOngoing(true);
builder.setSubText("This is subtext..."); //API level 16
builder.setNumber(100);
builder.build();
myNotication = builder.getNotification();
manager.notify(11, myNotication);
/*
//API level 8
Notification myNotification8 = new Notification(R.drawable.ic_launcher, "this is ticker text 8", System.currentTimeMillis());
Intent intent2 = new Intent(MainActivity.this, SecActivity.class);
PendingIntent pendingIntent2 = PendingIntent.getActivity(getApplicationContext(), 2, intent2, 0);
myNotification8.setLatestEventInfo(getApplicationContext(), "API level 8", "this is api 8 msg", pendingIntent2);
manager.notify(11, myNotification8);
*/
}
});
btnClear.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
manager.cancel(11);
}
});
}
private void initialise() {
btnShow = (Button) findViewById(R.id.btnShowNotification);
btnClear = (Button) findViewById(R.id.btnClearNotification);
}
}
activity_main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<Button
android:id="@+id/btnShowNotification"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Show Notification" />
<Button
android:id="@+id/btnClearNotification"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Clear Notification" />
</LinearLayout>
And the activity that will be opened on click of Notification,
public class SecActivity extends Activity {
}