A content provider presents data to external applications. Android comes with a number of content providers that store common data such as contact informations, calendar information, and media files, browser history and bookmarks. Here we will use Browser Provider to read default browser “Chrome” history and display the history on a list view.
Android SDK has a large set of standard views such as Button, TextView and ImageView. However, the framework also enables developers to create custom views that meet unique needs for example a pie chart or donut chart. This post is aiming to show you how to create a new simple custom view, how to draw the shape of the view and how to give it a nice look and feel.
Drawing in HTML5 is really interesting you can draw almost everything if you master the tricks of drawing. Here we will draw a donut chart using arc() function then we will give it some artistic effects using gradient color and shadow. You need to know some basic simple math concepts about circle to draw such chart.
This is an interesting post showing how to design an activity screen similar to user profile setting screen in WhatsApp Android app. Tips and tricks covered here are can be very helpful when designing your Android apps.
Here is a sample Java code to generate k-combinations of a set of elements in an array. You just need to pass the array and the k which is an integer that represents the length of the unique subsets you want to generate out of the original array.
In the Web MVC framework, each DispatcherServlet has its own WebApplicationContext, which inherits all the beans already defined in the root WebApplicationContext. So if you have common beans or resources that need to be shared among “child” WebApplicationContexts, you need to define them within root WebApplicationContext.
Location Services API enables you to build location-aware Android application without going into the details of the underlying technologies. Location Services maintains user’s current location so your app just needs to get it from location client. The accuracy of the location depends on the active location sensors and location permissions requested in the Manifest file. Also, the API allows you to get the user’s updated location at regular intervals.
This post shows how to select an image from image gallery, display it on ImageView and how to get its real path on different API versions (19, 17 & 10). We will use ACTION_GET_CONTENT intent that is set to select data of type image only.
Developer Preview support library
. RecyclerView is a more advanced and flexible than ListView This widgets have material design style by default. Use RecyclerView widget when you have lists that change dynamically.
Android L Developer Preview is an early release of the upcoming Android platform. This post shows how to get your development environment ready, how to create a simple app & how to use Material Design theme.