viewgroup

Inherit the ViewGroup learning onMeasure () and onLayout () methods, viewgrouponmeasure When inheriting the ViewGroup class, you must override two methods: onMeasure and onLayout. 1. Call the setMeasuredDimension method void android. view. View. setMeasuredDimension (int measuredWidth, int measuredHeight) in the onMeasure method)In onMeasure (int, int), you must call setMeasuredDimension (int width, int hei

Android custom ViewGroup creates various styles of SlidingMenu Watching the video course of Hongyang's QQ slide menu, I have a new understanding of the implementation of the animation effect during the slide, and it seems to have broken through the second pulse of Ren du, currently, You can implement a slide menu with any effect. Thank you !! Hongyang uses HorizontalScrollView to implement the slide menu function. The advantage of HorizontalScrollView

Override ViewGroup and use ViewDragHelper to implement various drag-and-drop interactions, 1. If the previous SlideUpLayout control contains a list such as ListView or RecyclerView during use, the following problems may occur: The xml file is as follows: Ii. Cause Analysis: there is a problem with the event dispatch interception. Remember that in the previous article, the event inte

ViewGroup definitionIn the API is so descriptive of the narrative viewgroup: a viewgroup is a special view, can contain other views. According to the meaning we can be clear. Other UI controls can be included in ViewGroup. Including our own definition of the controlAdvantages and UsesWe understand that the most importa

The previous few spoke of the custom control's combined control, address: http://www.cnblogs.com/zhangqie/p/8985612.htmlToday's blog post is mainly about the viewgroup of custom controls.What is ViewGroup?ViewGroup is a container. It contains 0 or more view and sub-viewWhat role does ViewGroup have?The

On the article to introduce QQ5.0 sideslip menu video course, for sideslip animation effect of the realization of a new understanding, seems to get through the two veins, now can achieve any effect of the Sideslip menu, thank you big!! With the Horizontalscrollview to achieve the Sideslip menu function, Horizontalscrollview benefits are for us to solve the sliding function, dealing with the sliding conflict problem, let us use it very convenient, But sliding and conflict processing are the diff

1, ViewGroup can add the control, you can also use 　　Once a few parts of the space are found to inherit ViewGroup, then rewrite the Onmeasure method, measure all the children inside, and then rewrite the layout method to lay out the location of the children's view.2 understand the principle of groupview, and according to the source code simulation when leaving the screen when the screen back to the homepage

Use Kotlin to perform function operations on ViewGroup views. Original article title: Functional operations over Views in ViewGroup using Kotlin Link: http://antonioleiva.com/functional-operations-viewgroup-kotlin/ Antonio Leiva (http://antonioleiva.com/about) Original article published: Set, iteration, array, sequence... all these share a set of usefulFunctio

These days of study, often see View,viewgroup, and what Layoutinflater, and then look back at the original learned things.Screen element hierarchyAndroid App Basic functional unit is activity-android.app.activity, an Activity can be a lot of things, but it does not exist on the screen itself. In order for your activity to have a screen display and be able to design her UI, you have to use the basic unit of the user interface expression on the views an

executes the OnDraw procedure, which can only be called in the UI thread (2) postinvalidate is called on a non-UI thread, eliminating the handler message call (3) Requestlayout will execute Onmeasure,onlayout, OnDrawThird, Android custom ViewGroupCustomizing the Viewgruup is going through the following steps: 1, depending on the size of each sub-view, determine the ViewGroup size (overriding the Onmeasure () method) 2, the view is placed in the

Objective: The previous articles introduced motion tweens, frame-by-step animations, property animations, most of which are animated for view, so how do you add animations for a viewgroup? Today, combine custom ViewGroup to learn about layout animations. This article will learn about layout animations by setting up animations for custom picture selection controls. Customize a

Several common ViewGroup implementations are available in Android, including LinearLayout, Relativeayout, Framelayout, and more. These viewgroup can meet our general development needs, but for the complexity of the interface requirements, these layouts are stretched. So custom viewgroup are ubiquitous in the applications we've been exposed to.To implement a custo

Link: http://blog.csdn.net/xieqibao/article/details/6570080 I.Windows, WindowManager and Window management for Android In fact, windows and views are actually displayed to users in android. The role of activity in android is mainly to solve some logic problems, such as lifecycle management and window creation. In android, window management is an important part, because it is directly responsible for displaying the content to the user and interacting with the user. Respond to user input. When tal

Tags: Android Control If you like my blog, please pay attention to my Weibo, please click here (http://weibo.com/kifile), thank you Mark the source for reprinting. Thank you again. ######################################## ############################### Custom viewgroup supports infinite loop paging Series Custom viewgroup supports one of infinite loop pages (rewrite onlayout and dispatchdraw) Custom

In the previous sections, we focused on customizing the view's kick, and this section discusses custom ViewGroup, why customizing the ViewGroup is really about managing the view better.Custom ViewGroup is nothing more than a few steps:Ⅰ, override the Onmeasure () method to test the size of the child control.Ⅱ, overriding the OnLayout () method, calculates the lay

Some time ago, a friend of Android just wanted to implement a table to show the information, so we can extend the viewgroup to achieve a simple.This article through the extension of Android ViewGroup implementation table can be used for course information, Student Information view display, the implementation of the table is available in a patchwork layout can also be customized

Reprint please indicate source: http://blog.csdn.net/lmj623565791/article/details/38352503, this article from "Zhang Hongyang's Blog"1. OverviewThe previous article has basically introduced how to customize the ViewGroup, if you do not understand, please check: Android handteach you to customize the ViewGroup , this article will use the method described in the previous article, to bring an example: to achie

Main.xmlMainactivityPackage Com.example.simplelayout;import Android.app.activity;import Android.os.bundle;public class MainActivity Extends Activity { @Override public void OnCreate (Bundle savedinstancestate) { super.oncreate ( Savedinstancestate); Setcontentview (R.layout.main); }}MylinlayoutPackage Com.example.simplelayout;import Android.content.context;import Android.util.attributeset;import Android.view.view;import android.view.viewgroup;/** */** onmeasure (): Measure

The View class is the parent class of ViewGroup. ViewGroup has all the features of View. ViewGroup is mainly used to act as the View container and manage the View as its own child, of course, the child can also be of the ViewGroup type. The View class is generally used for drawing operations. It overrides its onDraw me

Today, we will talk about custom controls, something that is a little more down-level. Today's main task is to completely write code and write a ViewGroup to implement a function similar to ViewPager. User-Defined views must have been written, but not much is estimated. After work, all of them are custom views and viewgroups. ViewPager can be used to achieve this sliding effect. In fact, ViewPager, ListView, SlidingMenu, or popupWindow all share the s