Tag archives for Android - Page 18
How to pick an image from Gallery and use it in Android ?
In Android applications, it can be useful to offer users the possibility to pick an image from their Gallery. When image is picked, you can then use it in a wallpaper for example or to work on the image depending the purpose of your application. To achieve that, you must first launch the intent ACTION_PICK to let OS prompt dialog…
Let your Kids have fun with Coloring Book For Kids
Do you remember the old time when you use your pencil to draw an color coloring books ? It was always a good moment that you use to learn coloring an different shapes. Problem was always the same : when image was colored and filled, fun was ended ! Smartphones has many purposes and among these, you can use to…
How to send an Email in Android ?
Last week, I shown you how to send an Email in Android thanks to JavaMail API by using GMail SMTP. This week, you're going to learn how to send an Email in Android by using Intent and so applications installed on the Android OS. Code snippet is very simple compared to solution using JavaMail API : String to = "To";…
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…
Decompile an APK and get Java source code
Sometimes, it can be useful to decompile an APK for Android and try to get Java source code. In this tutorial, you're going to learn how to achieve that. There are 2 main ways to process this decompilation. First is to use Smali / Baksmali format with these tools : . Smali is an assembler / disassembler for Dex Format…
How to use Asynchronous Tasks in Android ?
In Android like in others platforms, it can be useful to use asynchronous tasks to process long operations like download a file or consume a web service. In Java, you know that the entry point is the Thread class. Android using a part of Java API, you can also use Thread class but it's to you to manage synchronization with…
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…
First steps with Android Studio IDE
Like you must know, Google officially announced the first release of Android Studio recently. So, Android Studio is the official Android Studio IDE ! Time is come to migrate from Eclipse with ADT (Android Development Tools) to Android Studio IDE. 1. Installation Go on the following URL : and start to download the Android Studio IDE for your OS. Once…
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,…
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…