Broadcast receivers in android

Broadcast Receiver

 Class Overview

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Base class for code that will receive intents sent by sendBroadcast(). 

If you don't need to send broadcasts across applications, consider using this class with LocalBroadcastManager instead of the more general facilities described below. This will give you a much more efficient implementation (no cross-process communication needed) and allow you to avoid thinking about any security issues related to other applications being able to receive or send your broadcasts.

Change status bar color in android

You can customize the look of the material theme according to your brand identity with a color palette you control. You can tint the action bar and the status bar using theme attributes

The system widgets have a new design and touch feedback animations. You can customize the color palette, the touch feedback animations, and the activity transitions for your app.
The material theme is defined as:

Implementing PayPal in android

For implementing PayPal in your android app ..firstly you need PayPal lib ,import PayPal lib into your project .You should have a paypal account ,as we need PayPal API key to use PayPal.(You will get all instructions here -->https://developer.paypal.com/docs/classic/mobile/ht_mpl-itemPayment-Android/ )

Best Smart Phones in 2015

Its just may and half of the year is still left. Here are few upcoming smart phones that will excite you in 2015 and you wanna buy them online.

Handler in android

Handler:

A Handler allows you to send and process Message and run-able objects associated with a thread's MessageQueue. Each Handler instance is associated with a single thread and that thread's message queue. When you create a new Handler, it is bound to the thread / message queue of the thread that is creating it -- from that point on, it will deliver messages and run-able to that message queue and execute them as they come out of the message queue.

Set more than one animation on a view programatically in android

For this you can use AnimatorSet class of android

This class plays a set of Animator objects in the specified order. Animations can be set up to play together, in sequence, or after a specified delay.

Open facebook with intent in android

Android: Open Facebook official app from your own app with different intents
Opening Facebook's official android app from your own app is really easy. You just need to create an intent with correct uri and start and activity with that intent. The app will open with the right page, group, picture, video or etc.

Drag a view with finger in android

Here is a example of  Dragging or moving a view in android,this example will also detect left or right movement of your view and you can perform any thing you want.... on drag left or right..

Create a class which implements OnDragListener

class MyDragListener implements OnDragListener {

Android Studio vs Eclipse Differences

Most of Google’s 2013 I/O event was about Android. One specific announcement managed to attract a lot of hype and that was no other than Google’s own Android IDE, Android Studio. It has been just over a year now since the first public release and Android Studio has come a long way, despite still being in beta. The IDE itself is based off the very popular IntelliJ IDEA from JetBrains and is being offered by Google for free.

Difference b/w interface and a class

The key technical differences between an abstract class and an interface are:

• Abstract classes can have constants, members, method stubs and defined methods, whereas interfaces can only have consts and methods stubs.
• Methods and members of an abstract class can be defined with any visibility, whereas all methods of an interface must be defined as public.