Hex String to UIColor in iOS Swift
Dear Friends, In Today’s post I will show you how to convert a simple hex color string to UIColor in Swift 3. Code
Simple Alert with two buttons in iOS Swift with callback
Dear Friends, Today I will show you how to create a simple alert with two buttons and how to write a callback for each button. The code is simple. Its written for Swift 3. Send your comments to coderzheaven@gmail.com
How to start With Kotlin?
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.… Read More »
How to add Deeplinks in your Android Application?
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… Read More »
Useful Android Studio Plugins
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… Read More »
Convert Hex String to UIColor in Swit 3
Here is a simple ulility function to convert a hex color string to UIColor in iOS in Swift 3.
How to Create Preferences Settings in your app using Android Built-in Settings Preference APIs
There is often a settings page when we make our app and most of the people end up making it using their own UI. But interestingly Android provides API specific for building preferences using your own values. Check the below UI for my settings Lets see how that is done. Using Preference Headers Preference Headers… Read More »
Steps to Speed Up/Optimize Android Studio Gradle Build Process.
Even with good hardware configuration for the system, we often end up with slow gradle build process in Android Studio. So here I will discuss some steps to Speed up Android Gradle build. 1. Stay Up to Date Make sure you have the latest Android Studio and have the latest build tools updated. 2. Create… Read More »
Get Battery Percentage in Android – Different Methods
We will see the different ways to get the battery percentage in Android. Method 1 Register a Broadcast Receiver Receive like this Method 2 Method 3 Note : Make sure you unregister the receiver when you don’t need.
How to Debug/Run Android application in Android Studio Wirelessly using Wifi.
Steps Enable usb debugging and Connect the device to dev system with USB cable. Type “adb tcpip 5555” in Terminal/Command prompt. (Here we are opening a port in device to connect from development system.) Disconnect the phone and check the ip address of phone from network settings Type “adb connect :5555” Now the phone will… Read More »
ng-repeat Simple Demo in Angular JS with filter
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
Slide to Unlock Demo in Android
This is a simple demo to do Slide to Unlock in Android. Layout Activity
Do we need to call the Garbage Collector manually ( System.gc() ) in Android?
This is a common question. Eventhough the Android System calls garabage collector at appropriate times, this usually will not be adequate. Because the system calls GC at intervals, most of the time it wont work perfect and causing unnecessary pauses in the application. If these pauses are more than 16ms, then the user will notice… Read More »
How to write Simple Animation while setVisibility.GONE in Android?
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… Read More »
How to add finger print authentication in Android.
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… Read More »
HTML events in Angular JS
You can add AngularJS event listeners to your HTML elements by using one or more of these directives: ng-blur ng-change ng-click ng-copy ng-cut ng-dblclick ng-focus ng-keydown ng-keypress ng-keyup ng-mousedown ng-mouseenter ng-mouseleave ng-mousemove ng-mouseover ng-mouseup ng-paste Example
How to do a List filtering in Angular JS?
Filtering is really easy in Angular JS. In Angular JS we use the “filter” keyword to do the filtering. Example Copy and paste the above code in an html and run. You will see the result. Here we have a variable named “my_search” which is a textbox in HTML. so the filter value is taken… Read More »
Class has not initialiser error in Swift – Solved.
Apart from other languages, when you write a class in Swift, It should have a initialiser. To solve this we have to write init() function in that particular class. Just like below. For example, look at the below class. Here we have 5 variables. The above error usually comes when you don’t initialize all variables… Read More »
What is Scope and RootScope in Angular JS? with examples
Scope Scope is the binding part between the HTML (UI) and the Javascript (the Controller). Scope object contains the available properties and methods. Scope is accessible in both HTML and Javascript. Scope Example Root Scope Root Scope is created on the HTML element that contains the ng-app directive Root Scope is available for the entire… Read More »
How to bind variables in Angular JS using ng-bind?
You can use the ng-bind directive, which will bind the innerHTML of the element to the specified model property: Method 1 Method 2 Complete Example
What is ng-model in Angular JS and How to use it?
With the ng-model directive you can bind the value of an input field to a variable created in AngularJS. Here we will have two input fields which will bind to two variables in Angular JS. Example Just copy paste the above code to your editor and save in html and see the result.
How to find location in Android using GPS?
This example helps you to find the location in Android using the GPS. I have commented out some functionality in the code. You can uncomment it and extend it at your wish. At first we will create a utility class that will handle all GPS related Operations. GPS Utility Class This class has all utility… Read More »
Floating Button like Facebook Chat in Android
Floating widgets float over the screen over any app that is currently running. Here we will make a floating action button that you can drag around the screen to position and do actions on it. Add Permission For drawing over the other apps, you need “android.permission.SYSTEM_ALERT_WINDOW” permission. So add this entry in your manifest. Our… Read More »
What are Angular JS modules? – A Simple Demo
Angular JS modules means : An AngularJS module defines an application. The module is a container for the different parts of an application like controller, services, filters, directives etc. The module is a container for the application controllers. Controllers always belong to a module. Example Here we have a module named “MyApp” and controller for… Read More »
Fast and Efficient way to transfer images between Activites in Android
We often need to transfer images between activities. Well there are many methods to transfer images. You can make the image into a Base64 String and pass it as String argument extra in a bundle between activities You can save it to a disc and read it in the other activity. Well, these methods will… Read More »