W2class Tutorials for Android, Java, Php, Html

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When developing a web application that’s designed specifically for the WebView in your Android application, you can create interfaces between your JavaScript code and client-side Android code. For example, your JavaScript code can call a method in your Android code to display a Dialog, instead of using JavaScript’s alert() function. …

In this post, we’ll look at a generalized approach, which is more complex, but also more suitable for a repeated use of custom fonts. Extending TextView We’ll create a new Java class, which extends TextView. This allows us to use that class in all XML views. It inherits all functionality …

This is the music library for android. You can use this library by just download and import in your android project. In this library we provide you detailed list of song which is stored in your phone. Some methods are defined to get details of songs. Follow these steps to …

Hello friends, welcome to our new tutorial. In this tutorial we will create a login with facebook android app using android studio and facebook sdk 4.0. So lets begin. Creating Android Project Open Android Studio and Click on File-> New ->New Project Give your application a name (in my case …

Creating thumbnails of the images is required many a times, this code will be useful to know about the logic of thumbnail generation. 

In this tutorial I am going to share code for getting phone contact detail from your android phone. It will pick all the phone number, email and profile picture also.

If you want to get screen width and height of device in java file you can use DisplayMetrics class . This is a very simple way to get screen size. By using this code you can get size in pixels.

Android PackageManager class is used to retrieve information on the application packages that are currently installed on the device. You can get an instance of PackageManager class by calling getPackageManager(). PackageManager provides methods for querying and manipulating installed packages and related permissions, etc. In this Android example, we we get …

To do it programmatically you need to remove user data from application dir. You have to create a class “MyApplication” which extends with “Application” class. In this class by using this code you can remove user data from application dir. 1). Declare MyApplication class in manifest file as shown below: …