Why you should use StringBuilder instead of StringBuffer in Android for better performance?

By | February 25, 2018

StringBuffer StringBuffer is mutable means one can change the value of the object . The object created through StringBuffer is stored in the heap. StringBuffer has the same methods as the StringBuilder , but each method in StringBuffer is synchronized that is StringBuffer is thread safe.Due to this it does not allow two threads to simultaneously access the… Read More »

James

Using Otto Event Bus to Communicate b/w Activity and Fragment.

By | February 15, 2018

Using Otto Event Bus to Communicate b/w Activity and Fragment. Otto Event Bus is an Android Library that helps developers to communicate between Android Activity and Fragment and vice-versa. Lets see a simple implementation of this. Here I will pass a simple string from Activity to Fragment and Vice-versa. Gradle Layout Activity layout Fragment Layout Register and unregister… Read More »

James

Implementing Downloadable fonts in Android – Kotlin.

By | February 5, 2018

Here is a simple example in which we will download a font from google and set it to our textview. View the Demo here Layout Here is our layout. The Edittext is a autocomplete textview where we will load the font names to download. The font names are stored in values.xml Lets see the layout. Font Family names… Read More »

James

How to BackUp user’s data programatically in Android?

By | January 25, 2018

Android’s Backup service allows you to persist the data in a Google cloud storage. Android does this with the help of a BackUpAgent in the SDK. If we want to backup the data, then extend the BackupAgent. Lets see how we can do this. Benefits Reduce user frustration Increase login-rate. Reduce support calls Minimize user attrition Sustain user… Read More »

James

Simple Job Scheduler Demo in Android

By | January 20, 2018

Android helps us to schedule jobs in an efficient way. Android has a built in Job scheduler for this. Lets see how this is done. Before that lets see what google has to say about Job Scheduling. These are the normal tasks an application does : Updating network resources. Downloading information. Updating background tasks. Scheduling system service calls.… Read More »

James

Special characters that can be included in a Swift String ?

By | January 5, 2018

Special characters can be included in string literals using the following escape sequences: The following example shows how to use a few string literals: Swift 4 Escape sequence Meaning \0 Null Character \\ \character \b Backspace \f Form feed \n Newline \r Carriage return \t Horizontal tab \v Vertical tab \’ Single Quote \” Double Quote \000 Octal… Read More »

James

How to Count characters in a String in Swift 4?

By | December 20, 2017

To retrieve a count of the characters in a string, call the global countElements function and pass in a string as the function’s sole parameter: prints “sampleString has 32 characters” Note : Different Unicode characters and different representations of the same Unicode character can require different amounts of memory to store. Because of this, characters in Swift do… Read More »

James

How Type Safety is implemeted in Swift 4?

By | December 15, 2017

Swift 4 is a type-safe language which means if a part of your code expects a String, you can’t pass it an Int by mistake. As Swift 4 is type-safe, it performs type-checks when compiling your code and flags any mismatched types as errors. Playground execution failed: error: :6:6: error: cannot assign to ‘let’ value ‘myVar’ myVar =… Read More »

James

How to start With Kotlin?

By | November 5, 2017

Life is good and everything will be ok, Kotlin is here… In this article we will check how we can start with Kotlin for Android. Make sure you won’t overwrite your old Android Studio when you install the new version. Method 1 : Pre-requisites First you have to download Android Studio Beta 3.0 from here. Android Studio has… Read More »

James

How to add Deeplinks in your Android Application?

By | November 1, 2017

What are Deep Links? Let’s understand this with the help of a situation. If you happened to click a link on a webpage and suddenly it opens an application inside you phone or opens a dialog asking you to choose an application to handle this click. Yes, this is called deep linking. You can read more about deep… Read More »

James

Useful Android Studio Plugins

By | October 20, 2017

Here are some plugins that are really handy for developers to speed up their development. 1. ADBWIFI This plugin helps you to debug your app over Wi-Fi. Check out my previous blog post on how to do this without any plugin. 2. DTO generator This plugin is useful when you want to generate corresponding POJO classes for your… Read More »

James

ng-repeat Simple Demo in Angular JS with filter

By | September 15, 2017

ng-repeat. Example Now we will do a filter Search Filter In the above example if we want to search by country we will modify the code like below will search in country fields of the employees only and the boolean value from the checkbox will look for the exact match from the checkbox. Complete Example

James

How to write Simple Animation while setVisibility.GONE in Android?

By | September 5, 2017

Automatic animations on Layout Change If you want to animate views in a layout without writing big codes. Here is a Simple way. Find the root element of the layout and add this property to it. Adding Manual Animations Fade Out Animation Fade In Animation Move Down by height Translate animate to origin Position Adding Duration Chaining Animations… Read More »

James

How to add finger print authentication in Android.

By | August 30, 2017

Android 6.0 saw the introduction of fingerprint authentication, a new security feature that allows users to confirm their identify with a single touch. Well, after that this has become a common way of authentication for users. Advantages Very easy, fast and convenient to use for authentication Don’t need to remember No struggling with the keyboards No more password… Read More »

James