In some case, you might want to check your app is running in background or foreground, such as you want to show push notification message only when the app is in background. The following method will be very easy to know app running state.
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Thursday, January 19, 2017
Wednesday, January 18, 2017
Java Best Books For Learning - Best of lot, Must Read : From Beginner to Professional
We are sharing the best books for learning Java, which are read by almost every Java Developer, make you different and give an extra edge against the students who have just basic knowledge java.
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Monday, January 16, 2017
Java Difference between Abstract class and Interface
Abtract class and interface both are used to achieve abstraction.
In this post, I will show you Diffence between Abstract class and Interface.
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Wednesday, January 11, 2017
Java Count Number of Words in String
In this post, I will show you How to count number of Words in the String. It's easy via array and string class.
For example : "Hello World"
Result : 2.
Coding:
public class StringDemo
{
static int i,c=0,res;
static int wordcount(String s)
{
char...
Java Difference between String, StringBuffer and String Builder
In this post, I will show you The difference between String, StringBuffer and String Builder. As you will find that there are minor differences between the above classess.
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Java Difference between ArrayList and Vector
This question is mostly used as a start up question by Interviewers testing deep roots of the Collection. Some differences between ArrayList and Vector.
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Java Spring How to use JDBCTemplate Query
In this post, I will show you How to use JdbcTemplate query() method to query or extract data from database.
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Tuesday, January 10, 2017
Monday, January 9, 2017
Java How to generate random number in a range
In this post, I will show you How to generate random in a range (integer range) via follwing ways.
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Java How to add day to current date
In this post, I will show you How to add day to current date, using following APIs.
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Java How to send email via Gmail SMTP
In this post, I will show you How to send email via Gmail SMTP, using both TLS and SSL connection.
...
Java Read and Write PDF
In this post, I will show you How to read and write PDF in java using iText PDF library.
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Java How to count duplicated items in List
In this post, I will show you How to count number of duplicated items in a List.
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Java How to validate phone number
In this post, I will show you How to validate phone number using Regular expression.
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Sunday, January 8, 2017
Java How to send HTTP GET/POST
In this post, I will show you standard method to make HTTP GET/POST request using java.
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Android Push Notification with Firebase Cloud Messaging & Java Server
Now, Google Inc removed
GCM and start using FCM to push notification.
We 'll instruction to
you How to intergrate Firebase to your backend, so that you can send messages
from your server.
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Android Build Application with Firebase Realtime Database
In this post, I will show you How to build Application with Firebase. You can download source code here Demo Chatting.
...
