![]() ![]() So we need a dataset and a View into which the dataset will be converted by the Adapter. After you get the String array that contains all the assets at the root folder, you can pass the array to your. AssetManager assetManager context.getAssets () String files assetManager.list ('') // '' means asset root folder. So by doing this, we have defined a ListView to be created in our MainActivity, but what data it will show? and in what format? Where will we declare and define that?Īs we specified in the last tutorial, that an Adapter is used to covert data items into view objects which can be used to display as UI components. You can access the application's raw asset files by calling APIs provided by AssetManager. We will define a ListView in the main layout XML file activity_main.xml. Let's see how we can use an Adapter to read data from an array, and display it in form of a List. ![]() A drawable or any color can be specified as a value for this attribute.īelow we have shown how you can add a ListView to your android app using the layout XML. Using this attribute we can specify a divider between List items. Inside a ListView, we can show list of Text items by using TextView, or pictures using ImageView, or any other view or a combination of views.Īs ListView is generally used to display a large set of data, hence it is not feasible to manually create list items for the complete data, hence Android provides us with special Adapter classes which can be used to supply data from datasets to ListView.įollowing are some of the main attributes that are most commonly used: Attribute Some of android application developer want to get edittext value then set that selected value inside textview placed on second next activity. You can set divider between every item and set its height and color as per your UI design. Send EditText entered selected value to another android activity on button click and receive+set into textview. With ListView, user can easily browse the information, while scrolling up and down. Now that you have a content URI for the file you want to share with another app, you need to allow the client app to access the file. Step 2 Add the following code to res/layout/activitymain.xml. ![]() Best example of it is our device's Contact List. This example demonstrate about How to read all contacts in android Step 1 Create a new project in Android Studio, go to File New Project and fill all required details to create a new project. ListView is used when you have to show items in a vertically scrolling list. Android SDK Manager & required Packages. ![]()
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