Using NSOperationQueue in iOS to do Serial/Concurrent Operations.

By | May 7, 2016

NSOperationQueue is used to do scheduled operations in iOS. You can customize NSOperationQueue to do Concurrent/Serial operations. You can set NSOperationQueue maxConcurrentOperationCount to tell it to do how many operations to execute at a time. Lets see this with an example [Swift Version] In the above example, we set maxConcurrentOperationCount to 1, telling it to… Read More »

Solution for CoreData Multithreading problem.

By | May 1, 2016

This post is for people who are at least familiar with CoreData. But just knowing is not everything.. CoreData creates problems when you access them from different threads… Most common problems are listed below CoreData: error: Serious application error. Exception was caught during Core Data change processing. This is usually a bug within an observer… Read More »

Custom GSON request With Volley

By | April 10, 2016

Volley, be default doesn’t support GSON. But it gives the flexibility to do anything. Lets see how we can do this. You can read about Complete Volley Demo in Android from here.. I am going to create a new class for the GSON. Below is my class for the GSON. MyGson.java Now create a class… Read More »

Volley Demo in Android

By | April 10, 2016

Volley is an HTTP library that makes networking for Android apps easier and most importantly, faster. Volley is available through the open AOSP repository. Volley offers the following benefits: Automatic scheduling of network requests. Multiple concurrent network connections. Transparent disk and memory response caching with standard HTTP cache coherence. Support for request prioritization. Cancellation request… Read More »

Best Coding Practices in Android – Part 2

By | April 5, 2016

You can read the First Article about Best Coding Practices in Android here. Re-Use Elements and Layouts Use for reusing layouts. You can read about this from here. Use Different resources for different density Screens. Properly organize your images in mdpi, hdpi,xhdpi etc folders for corresponding screens. This helps to prevent blurry images. Read more… Read More »

Best coding practices in Android Part 1

By | April 5, 2016

Following conventions. Do not try to create a new convention for coding. Follow the standard convention. Like Class Naming. File Naming. Variable Naming. Code commenting. Code intending. Performing Background Jobs Use Asynctasks and Services for long running Tasks. While normal services run in main thread as the application, it should be used to run very… Read More »

RecyclerView Simple Example in Android.

By | March 25, 2016

The RecyclerView widget is a more advanced and flexible version of ListView. This widget is a container for displaying large data sets that can be scrolled very efficiently by maintaining a limited number of views. Use the RecyclerView widget when you have data collections whose elements change at runtime based on user action or network… Read More »

Custom Transitions in Android M using RippleDrawables

By | March 20, 2016

Ripple Drawables. Touch feedback in material design provides an instantaneous visual confirmation at the point of contact when users interact with UI elements. The default touch feedback animations for buttons use the new RippleDrawable class, which transitions between different states with a ripple effect. We can either apply RippleDrawable in XML or using Drawable XML… Read More »

Bluetooth Demo in Android – Listing paired Devies, Find other Online BT devices, Connect to a BT Device, Communicate between connected BT Devices ( Chat ).

By | March 10, 2016

In this Demo we will see Check compatibility of the device. Turn On/Off Bluetooth, Making it discoverable List Paired Devies. Check for Online Bluetooth Devices. Connect with a Device. Communicate between Connected Bluetooth Devices. Disconnect from Device. You can download the complete Android Studio Source code at the end of the post. Before We start… Read More »

Streaming Video in Android…

By | March 5, 2016

Here is a simple example for Streaming video in Android… Below is my layout that contains a VideoView and ProgressBar. Don’t forget to add internet permission in the Android Manifest. MainActivity Done.

Local broadcast events with LocalBroadcastManager in Android

By | March 1, 2016

LocalBroadcastManager is Helper to register for and send broadcasts of Intents to local objects within your process. This is has a number of advantages over sending global broadcasts with sendBroadcast(Intent): You know that the data you are broadcasting won’t leave your app, so don’t need to worry about leaking private data. It is not possible… Read More »

SnackBar and Floating Button Demo in Android

By | February 22, 2016

Snackbar is a UI element used for user feedback, just like a Toast except they provide action to interact with. Snackbar will be displayed at the bottom of the screen and can be swiped off in order to dismiss them. Floating Button sits on the top of your layout and provides a way for a… Read More »

Uploading Image to Server – Android Eclipse Version.

By | February 18, 2016

Hi all, In today’s tutorial I will show you how to send an image to server using POST method in ANDROID. If you are working in Android studio, then checkout the article here. Uploading an image to server is a basic requirement in many of our application. Sending data to server which is using a… Read More »

Missing iOS Distribution signing identity for … Xcode can request one for you/This Certificate has an Invalid Issuer – iOS Issue Solved

By | February 15, 2016

To Solve this 1. Download https://developer.apple.com/certificationauthority/AppleWWDRCA.cer 2. Double-click to install to Keychain. 3. Then in Keychain, Select View -> “Show Expired Certificates” in Keychain app. 4. It will list all the expired certifcates. 5. Delete “Apple Worldwide Developer Relations Certificate Authority certificates” from “login” tab 6. And also delete it from “System” tab. 7. Now… Read More »

MapKit Demo Swift – Annotation, Custom Annotation, Custom Annotation with Button, Search, Showing Directions – Apple Maps iOS

By | February 14, 2016

Hi all, In this Demo I will show How to implement Apple ‘s MapKit on iOS. This demo will show following this. 1. Show Annotation in Maps. 2. Show Custom Annotation in Maps. 3. Show Custom Annotation with Custom Button in Maps. 4. Pin Point to location from Search. 5. Showing Route/Direction between two location… Read More »

Make money with Infolinks

By | February 12, 2016

Hello all… Today I will show you a simple and very easy method to make money online from your website. Click on the image or follow the link below to find out… http://www.infolinks.com/join-us?aid=444771 Watch the video on How to make some money with infolinks…

CardView Demo in Android L

By | February 10, 2016

Here is a simple CardView Demo in Android. This demo shows how you can apply Corner radius and Shadow in Android L. Here is the Activity. This is the Fragment that adds the CardView. The Layout for the Activity. Fragment for placing CardView. You can download the complete Android Studio Source Code from here..