Using serialization, we can pass object's state or array between two activities. Before getting into the code, we should know about serialization and how does it work with intent in android.Serialization is a marker interface. Using serialization, we can convert state of an object into a byte stream. The byte ... Read More

All arrays consist of contiguous memory locations. The lowest address corresponds to the first element and the highest address to the last element. To initialize an array, first you need to declare it. int[] marks; Here, int is the datatype [] specifies the size of the ... Read More

BLOB stands for Binary Large Objects and as its name suggests, it can be used for storing binary data while TEXT is used for storing large number of strings. BLOB can be used to store binary data that means we can store pictures, videos, sounds and programs also. For example, ... Read More

We can store an IP address with the help of INT unsigned. While using INSERT, include INET_ATON() and with SELECT, include INET_NTOA(). IP address is in dotted format. Let us see an example. Creating a table. mysql> create table IPV4AddressDemo -> ( -> ... Read More

Before getting into listview example, we should know about listview, Listview is a collection of items pulled from arraylist, list or any databases. Most uses of listview is a collection of items in vertical format, we can scroll up/down and click on any item.What is custom listview?Custom listview works based ... Read More

The electromagnetic spectrum is the entire range of electromagnetic radiation according to the wavelength or frequencies. It has a range of frequencies from 1Hz to Hz. The waves in order of increasing frequencies are radio waves, microwaves, infrared rays, visible light, UV rays, X-rays and gamma rays.Among these range, ... Read More

The EXISTS tells if the query returned results or not while IN can be used for comparing one value with other. IN uses literal values. Note − IN is preferred in a subquery whenever a subquery result is very small. If the subquery result is very large then EXISTS is ... Read More

Before getting into example we should know what is action bar in android. Action bar just like header in android. Either we can use same action bar for all screen or we can change action bar for particular activity.This example demonstrate about how to create a custom action bar in ... Read More

Before getting into Glide example, we should know what is glide, Glide is an image processing library developed by muyangmin. Using glide library we can show image, decode images, cache images, animated gifs and many more.This example demonstrate about how to integrate glide in android.Step 1 − Create a new ... Read More

Before getting into alert dialog, we should know about what is alert dialog, Alert dialog is just like a pop-up where user can choose action by clicking "ok" or "cancel" button.Methods in Alert DialogsetView(View view) − It used to set custom view to alert dialogsetTitle(CharSequence title) − It is used ... Read More