Archives for Tutorials - Page 15

Articles

Is Java pass parameters by value or by reference ?

Today, we go back to the basics and we’re going to understand to a simple but sometimes hard to answer for some developers. Are Java parameters passed by value or by reference ? Before to answer, it seems important to define what is the difference between these two kinds of methods to pass arguments in methods. From Wikipedia, we get the…
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Android

Learn to consume a REST Web Service and parse JSON result in Android

In mobiles applications, very often you should get data from a Web Service to update content displayed to users. For example, you can imagine a weather application that needs to request weather data from a remote server. Content getted can be under different formats but JSON format is one of the most used format with REST Web Service. So, you're…
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Android

First steps with Android Wear

Announced during Google I/O 2014, Android Wear is the Android platform for wearable devices. It extends the Android platform to a new generation of devices with a user experience targeting wearables' specifities. Actually only Smart Watches are supported by Android Wear but trust that Google will extend the platform into other forms of wearables in the near future. Actually, Android Wear…
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Android

How to send an email with JavaMail API in Android ?

As an Android developer, you're used to send email thanks to Android standard API provided in standard SDK. To achieve that, you use and call startActivity method to delegate to OS the sending email process. Perhaps, you would like to manage the entire process in your application when you send an email in Android. If you want to make this,…
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Android

How to send and receive a SMS in Android ?

With all the features supported by smartphones, sometimes we forget the presence of the word phone in smartphone. Thus, it could be important sometimes to use SMS feature of Android devices. Android SDK provides a very good support for SMS and globally for telephony. In that tutorial, you will learn to send and receive SMS in Android. 1. Send SMS…
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How to programmatically take a screenshot in Android ?

Today, a snippet to present you how to programmatically take a screenshot in Android. You can take screenshot of a particular View and its children but in our case, we would like to take a screenshot of the entire window. So, we must to get the root view of the window thanks to following calls in an Activity : View v…
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Android

How to implement a Splash Screen in Android ?

Implementing a splash screen in Android is a redundant question among beginners. With that tutorial, we’re going to see that it’s very easy to implement a splash screen with just some lines of code. Before to continue, it’s important to understand that splash screen is not a recommended design pattern in Android. However, you can implement if you want and…
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