Those who have basic knowledge of Android can easily understand this tip. The Adapter will inherit BaseAdapter class of Android, you can manage everything inside the Adapter class.
Without an Adapter, you cannot implement a dynamic ListView. First, specify an id for the ListView, and then set the width Both the height and the height are set to match_parent, so the Android Listview occupies the entire layout space. To customize a ListView, you need to customize Adapter of the ListView.
You'll also learn how to delete child items. Then modify The code in activity_main.xml is as follows: Īdding the Android Listview control to the layout is quite simple. Hi, in this tutorial, I'll demonstrate how to create an ExpandableListView in your android app. For customization of List we need to implement ExpandableListAdapter in our custom Adapter. The implementation of this interface will provide the data for the children and also initiate the views for the children and groups. I would appreciate your support in this way! Simple usage of Android Listview:įirst, create a new ListViewTest project, and let ADT automatically help us create a good activity. ExpandableListAdapter is an Adapter that links the ExpandableListView with the underlying data. I may make a commission if you buy the components through these links. Use one section to explain the Android Listview in great detail. I am trying to build a feature in react native android where we have multiple nested expandable. However, compared to the several controls introduced earlier, the usage of Android Listview is relatively more complicated, so we will use it separately. androidandroid-studioexpandablelistviewreact-native. I believe you are actually using this control every day, such as viewing the mobile contact list, flipping through the latest news on Weibo, and so on. Android Listview allows users to Refer to the way of sliding up and down to scroll the data, while the original data on the screen will scroll out of the screen.
When there is a large amount of data to be displayed in the sequence, you can use Android Listview to achieve it. Since the screen space of mobile phones is relatively limited, there is not much content that can be displayed on the screen at one time. Improve the efficiency of Android Listview:Īndroid ListView can definitely be called one of the most commonly used controls in Android and almost all applications will use it.Customize the Android Listview interface:.