How to use ListActivity in Android?
How to use ListActivity in Android?
Android ListActivity Example
- Create Activity Extends ListActivity. Although ListActivity has an inner ListView object.
- Create The ListActivity Layout Xml File. In above java code, ListActivity still need to call setContentView() method to set it’s layout xml file.
- Create ListView Item Layout Xml File.
What is ListActivity?
An activity that displays a list of items by binding to a data source such as an array or Cursor, and exposes event handlers when the user selects an item. ListActivity hosts a ListView object that can be bound to different data sources, typically either an array or a Cursor holding query results.
How to work with ListView in Android?
How to add a ListView in an Android App
- Step 1: Create a new project. Click on File, then New => New Project. Choose “Empty Activity” for the project template. Select language as Java.
- Step 2: Modify activity_main.xml file. Add a ListView in the activity_main. xml file. activity_main.xml.
What is the list activity class used for?
ListActivity is a subclass of Activity that includes a ListView object. Through ListActivity class you can create an activity in your Android application that can be connected to different data sources (query cursor or arrays) and can be displayed as a set of list items on the screen.
What are exceptions of Android?
Exception
| AccountsException | |
|---|---|
| AclNotFoundException | This is an exception that is thrown whenever a reference is made to a non-existent ACL (Access Control List). |
| AndroidException | Base class for all checked exceptions thrown by the Android frameworks. |
| AppSearchException | An exception thrown by AppSearchSession or a subcomponent. |
What is simple cursor adapter in android?
android.widget.SimpleCursorAdapter. An easy adapter to map columns from a cursor to TextViews or ImageViews defined in an XML file. You can specify which columns you want, which views you want to display the columns, and the XML file that defines the appearance of these views. Binding occurs in two phases.
What are exceptions of android?
What is an ArrayAdapter in android?
ArrayAdapter is the most commonly used adapter in android. When you have a list of single type items which are stored in an array you can use ArrayAdapter. Likewise, if you have a list of phone numbers, names, or cities. ArrayAdapter has a layout with a single TextView.
What is inflate exception in Android?
The inflate exception is not actually the problem but really comes from another deeper issue in your layout that is then wrapped in an InflateException . A common issue is an out of memory exception when trying to inflate an ImageView loading a drawable resource.
What is the JSON exception in Android?
Thrown to indicate a problem with the JSON API. Such problems include: Attempts to parse or construct malformed documents. Use of null as a name.
How to create activity extends listactivity in Android?
1. Create Activity Extends ListActivity. Although ListActivity has an inner ListView object. But it still need two layout xml file. One is used for ListActivity, the other is used for ListActivity’s inner ListView’s item.
How to set data adapter in listactivity?
Please Note: ListActivity has a setListAdapter method, this method can set a data adapter to the ListView.
Is there an inner listview in Android Studio?
Although ListActivity has an inner ListView object. But it still need two layout xml file. One is used for ListActivity, the other is used for ListActivity’s inner ListView’s item. So for above reasons, you can create an empty activity first in android studio.
How to create a list view in Android Studio?
No need to change string.xml, Android studio takes care of default string constants. Create a Text View file res/layout/activity_listview.xml. This file will have setting to display all the list items. So you can customize its fonts, padding, color etc. using this file.