The type of adapter that suits your app need is purely based on the input data type. An ArrayAdapter expects an Array or an List as input, while CursorAdapter accepts the instance of Cursor and SimpleAdapter maps the static data defined in the resources. Īdapter is acts as a bridge between data source and adapter views such as ListView, GridView. Adapter iterates through the data set from beginning till the end and generate Views for each item in the list.Īndroid SDK provides three different Adapter implementation, that includes ArrayAdapter, CursorAdapterand SimpleAdapter. Create a new layout inside your project layout directory and name it as grid_item_layout.xml. The following listing will show you the layout for each grid cell item. This layout will be used by the GridView adapter to render the items. Define grid item layoutĪs you can notice from the above screenshot, each of the grid item contains an ImageView and an TextView. Notice that in the above code, we have added a GridView with id gridView, and used some of the attributes such as numColumns, stretchMode, verticalSpacing, etc. Most of the android attributes are self explanatory. Let us create a new file named activity_main.xml in your application layout folder. To begin with, let us create a layout for activity that contains a GridView. When user clicks on any grid item, it will navigate user to the details page. The output of the example we will build is depicted in following image. Each grid in our example will display an image and a text tile.Ĭheckout the advance version of this tutorial, that downloads the data from server and displays it on GridView.ĭownload and Display Image in Android GridView In this tutorial, we will build an image gallery using Android GridView. GridView is a ViewGroup that displays items in a two-dimensional, scrollable grid.
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