android horizontal scrolling list

adapter and a layout manager. To create an Adapter, you must inherit the RecyclerView. Adapter class. The details of the inheritance implementation depend on your data and the type of view on the item. For more information, see the following example. OneLayout managerLocate the item view inside RecyclerView and determine when to reuse the item view that is invisible to users ). To reuse (or recycle) views, the layout manager may require the adapter to replace the view content with different dat

specify an adapter and layout manager. Create an adapter that inherits the Recyclerview.adapter class. For more information, see the following example.Recyclerview and determines that when reusing a project view, the layout manager's method of using item is no longer visible to the user. Reuse (or Reclaim) the view, the layout manager may ask the adapter to replace elements of the different dataset. When you recycle view, you improve performance in this way: avoid creating unnecessary view or p

you reuse (or recycle) views, the layout manager may ask the adapter to replace the content with elements of different datasets. This method is used to improve the performance when the view is recycled: Avoid creating unnecessary views or execute findViewById () queries that consume a large amount. RecyclerView provides the following Manager: · LinearLayoutManager horizontal or vertical scrolling

Android SDK Manager cannot obtain the SDK list. 1. Open the running Android SDK Manager, Tool menu, select Options, open the settings menu, check the "Force https://...sources to be fetched using http ://... ", and click Close to Close, for example: 2. Set the hostes file to access the Google download center on the computer. Open the C: \ Windows \ System32 \ dri

Layer-list, which is often used in the Android UI design, is critical to shape's role in beautifying the controls. Shape Role: Defining Geometry in XML Property: XML version= "1.0" encoding= "Utf-8"?> Shapexmlns:android= "Http://schemas.android.com/apk/res/android"Android:shape=["Rectangle"| "Oval" | "Line" | "Ring"]>

Item. xml Scorelist. xml Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Xmlns: Android = "http://schemas.android.com/apk/res/android">Android: Id = "@ + ID/listlinearlayout"Android: Orientation = "

In the previous article, we introduced how to obtain data from provinces, cities, and cities. Now we will introduce an example of how to use the spinner control to implement Level 3 linkage between provinces, cities, and cities. The following code is implemented during project development. First, we will show the three slaves in the layout file. Android: layout_width = "fill_parent"Android: Id = "@ + ID/lin

Abslistview Basic classes that can be used to implement the virtualization project list Absspinner Abstract base class for fine-tuned Widgets Adapterviewanimator It uses adapterview as the base class to implement animations during switching between views. Adapterviewflipper It is a simple implementation of view animation. You can execute an animation between views added to it. Appwidgethostview Provid

This article translated from: http://developer.android.com/guide/topics/ui/layout/listview.html Listview is a view group used to display the scrolling project list. It adapts to an adapter to automatically Insert list items. The adapter pulls content from queries such as arrays or databases and converts the results of each project into a view that can be placed i

} - About}Two, two layout(1) Items.xml1"1.0"encoding="Utf-8"?>2"http://schemas.android.com/apk/res/android"3Android:layout_width="match_parent"4android:layout_height="match_parent"5android:orientation="Horizontal">6 7ImageView8Android:id="@+id/image"9android:paddingright="10px"Tenandroid:paddingtop="20px"//Picture distance from head 20px OneAndroid:paddingbottom="20px"//Picture distance from botto

following diagram shows the layout of item for each article, the container for item or the ListView, don't ask how I know, don't tell you ~We can see that an item nested three layers of viewgroup. I do not know whether there is any special use or for any consideration, but in order to use the ImageView to control the placeholder, using a two-layer layout can complete the display of this interface, so as to avoid the 1-layer layout redraw, you can reduce draw time.relativelayout

of the most classic figure you can collect, do not understand when take to see, deepen understanding, In fact, there is a component called recycler in Android, incidentally listed with recycler related to Google has been done by the N more optimized things such as: Abslistview.recyclerlistener, Viewdebug.recyclertracetype and so on, to understand the friends themselves check, not difficult to understand, the following figure is ListView load data wor

to achieve the final effect.This article GitHub: Welcome to StarHttps://github.com/AndroidMsky/SearchViewWelcome to add the author of the self-development of the Android Exchange Group: 308372687Bo Master original without permission shall not be reproduced, reproduced must investigate—————————————————————————————Recommended by the author: Android Custom view scrolling