Create Custom Notification in Android.

By | January 31, 2016

This demo explains how you can create a Custom Notification in Android old and New versions.

The notification appears expanded in Versions > 16.

Custom Notification Android

Let’s jump into the code…

Below is the MainActivity that creates the notification.

[java]

package com.example.android.customnotifications;

import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.view.View;
import android.widget.RemoteViews;

import java.text.DateFormat;
import java.util.Date;

public class MainActivity extends Activity {

private void createNotification() {
// BEGIN_INCLUDE(notificationCompat)
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
// END_INCLUDE(notificationCompat)

// BEGIN_INCLUDE(intent)
//Create Intent to launch this Activity again if the notification is clicked.
Intent i = new Intent(this, MainActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
PendingIntent intent = PendingIntent.getActivity(this, 0, i,
PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(intent);
// END_INCLUDE(intent)

// BEGIN_INCLUDE(ticker)
// Sets the ticker text
builder.setTicker(getResources().getString(R.string.custom_notification));

// Sets the small icon for the ticker
builder.setSmallIcon(R.drawable.ic_stat_custom);
// END_INCLUDE(ticker)

// BEGIN_INCLUDE(buildNotification)
// Cancel the notification when clicked
builder.setAutoCancel(true);

// Build the notification
Notification notification = builder.build();
// END_INCLUDE(buildNotification)

// BEGIN_INCLUDE(customLayout)
// Inflate the notification layout as RemoteViews
RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.notification);

// Set text on a TextView in the RemoteViews programmatically.
final String time = DateFormat.getTimeInstance().format(new Date()).toString();
final String text = getResources().getString(R.string.collapsed, time);
contentView.setTextViewText(R.id.textView, text);

/* Workaround: Need to set the content view here directly on the notification.
* NotificationCompatBuilder contains a bug that prevents this from working on platform
* versions HoneyComb.
* See https://code.google.com/p/android/issues/detail?id=30495
*/
notification.contentView = contentView;

// Add a big content view to the notification if supported.
// Support for expanded notifications was added in API level 16.
// (The normal contentView is shown when the notification is collapsed, when expanded the
// big content view set here is displayed.)
if (Build.VERSION.SDK_INT >= 16) {
// Inflate and set the layout for the expanded notification view
RemoteViews expandedView =
new RemoteViews(getPackageName(), R.layout.notification_expanded);
notification.bigContentView = expandedView;
}
// END_INCLUDE(customLayout)

// START_INCLUDE(notify)
// Use the NotificationManager to show the notification
NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
nm.notify(0, notification);
// END_INCLUDE(notify)
}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.sample_main);
}

/**
* Create and show a notification with a custom layout.
* This callback is defined through the ‘onClick’ attribute of the
* ‘Show Notification’ button in the XML layout.
*
* @param v
*/
public void showNotificationClicked(View v) {
createNotification();
}
}

[/java]

You can download the complete Android Studio Source Code from here..

Send your comments to coderzheaven@gmail.com

One thought on “Create Custom Notification in Android.

  1. Ajit Kumar Choudhary

    how can send notification from one Android device to Another Device By using Firebase Server

    Reply

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