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Android Learning Scroller (three)--control panning across the screen (scroller simple to use)

Mainactivity as follows:Package Cc.cn;import Android.os.bundle;import Android.view.view;import android.view.view.onclicklistener;import Android.widget.button;import android.app.activity;/** * Demo Description: * Scroller Use example-let the control pan across the screen * reference: * HTTP://BLOG.CSDN.N et/c_weibin/article/details/7438323 * Thank you very much * * NOTE: * 1 Set the width of the Cc.cn.LinearLayoutSubClass control in the layout to "Fill

Android Learning Scroller (three)--control panning across the screen (scroller simple to use)

Mainactivity such as the following:Package Cc.cn;import Android.os.bundle;import Android.view.view;import android.view.view.onclicklistener;import Android.widget.button;import android.app.activity;/** * Demo Description: * Scroller Use Demo sample-let the control pan across the screen * * reference information: * Http://blog.cs dn.net/c_weibin/article/details/7438323 * Thank you very much * * NOTE: * 1 Set the width of the Cc.cn.LinearLayoutSubClass c

Explain the use of screen sliding function of Scroller class in Android application development _android

(mscrollx + x, m scrolly + y); } //... } So, at any moment, we can get the offset position of the view/viewgroup, that is, call the Getscrollx () method and the Getscrolly () method Introduction to the Scroller class in the first time to see launcher slide screen, I was scroller class of learning feel very egg pain, completely lost the desire to continue research. Today, there

Android interface sliding implementation --- Scroller class learning from source code and development documentation (let your layout move)

In android learning, Action interaction is an important part of software, and Scroller is a class that provides the drag effect. On the internet, for example, some Launcher screens can be implemented through this class ..The SlidingLayer, an open-source library for side navigation, is actually implemented using the scroroller class: GITHUB, which is not the Library mentioned below, it is the

Android scroller Complete Parsing _android

the right, then click the Scrollto button will have no effect, the interface will not continue to scroll, only click on the Scrollby button interface will continue to scroll, And constantly click the Scrollby button interface will scroll down together. Scroller class From the above example, the results show that the Scrollto ()/scrollby () method is used to offset a view to the specified coordinates (X,Y), the whole process is a direct jump, withou

Deep understanding of the rolling principle of scroller in Android _android

Smooth scrolling effect of view What is the realization of the smooth scrolling effect of view, for example, a view from the time we specify from one position to another position, we use the Scroller class can be used to achieve uniform rolling, can be accelerated after deceleration, can first slow down after acceleration and so on, Instead of the instantaneous movement of the effect, so scroller can help

[Android Pro] Scroller Usage Analysis

Reference to:http://blog.csdn.net/a910626/article/details/51548840What is a. scroller? The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is defined in view. Setting the Mscroller scrolling position does not cause the view to scroll, usually using

Using scroller to achieve smooth scrolling of view

In the article "Summary of methods for realizing the movement of view", several methods to realize the movement of view are introduced: Setlayoutparams (), ScrollTo () and Scrollby (), layout (), Offsetleftandright () and Offsettopandbottom (), displacement animations and property animations. In these methods, only the displacement animation and property animation is smooth scrolling, the other methods are instantaneous to move the view to the target location, the visual experience is not very g

Explain the relationship between Android Scroller and Computescroll's calling mechanism _android

What does the scroller in Android ViewGroup have to do with Computescroll? Answer: There is no direct relationship. Knowing the answer, does not mean that the following is not necessary to see, if the ViewGroup custom control is not interested, you can not see. What exactly is 1.Scroller? A: Scroller is just a calculator that provides interpolation calculatio

Android Custom Viewpager (i)--custom scroller simulation animation process

duration)Scroll, StartX, starty to start scrolling position, dx,dy for scrolling offset, duration for time to complete scrollingMscroller.computescrolloffset ()A return value of Boolean,true indicates that scrolling has not been completed and false indicates that scrolling is complete. This is a very important method, usually placed in View.computescroll (), to determine whether scrolling is over or not.The specific use of scroller has been useful in

Android self-defined component Family "2"--scroller class

In the previous article introduced the view class of Scrollto and Scrollby two methods, the two methods are not very familiar with the friends can first look at "their own definition of view and ViewGroup"Scrollto and Scrollby, while achieving the offset of the view, did not have a better control of the moving process, the movement is instantaneous. The Scroller class is designed to solve problems.Open the Scrolle

Android custom controls (Scroller)

Android custom controls (Scroller) First lookThe implementation method inherited from ViewGroup requires us to measure and layout ourselves to achieve sliding effect and handle sliding conflicts,The general idea of customizing ViewGroup is to override the onMeasure method, call measureChild in the onMeasure method to measure the child View, and then call setMeasuredDimension to measure the size of the Child View. Then rewrite the onLayout method and c

Android Scroller Source Parsing

1. PrefaceThrough the Scrollto/scrollby method provided by the view itself to achieve sliding, the process is instantaneous, want to achieve elastic sliding, need to use scroller to achieve. The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is define

Android scroller Simple usage

1. Knowledge points Before you know the Scorller class, you should know that the view's Scrollto (int x, int y)/scrollby (int x, int y), what is the view coordinates, and what is the layout coordinates. Then we look at the source code of Scroller. Scoller is generally used in custom viewpublic class Scroller {private int mstartx; Starting coordinate point, x-axis direction private int mstar

Android scroller Simple Usage--view scrolling

Ext.: http://ipjmc.iteye.com/blog/1615828The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is defined in view. Setting the Mscroller scrolling position does not cause the view to scroll, usually using Mscroller to record/calculate the position of the view scroll, and then rewrite the view's Com

Android View Scroller

. Swipe up, and the content scrolls down, view.getscrolly () gets a positive valueIn short, the direction of the finger slide is opposite to the content scrolling, and the interface effect of the ListView and Horizontalscrollview is knownAfter you get the value, you can scroll through (new Scroller ()). Startscroll (int startX, int starty, int dx, int dy) method scrolls the content to the appropriate locationTo perform a

Android--Scroller

The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is defined in view. Setting the Mscroller scrolling position does not cause the view to scroll, usually using Mscroller to record/calculate the position of the view scroll, and then rewrite the view's Computescroll () to complete the actual scro

Android Learning Scroller (i)

Mainactivity as follows:Package Cc.cn;import Android.os.bundle;import Android.view.view;import android.view.view.onclicklistener;import Android.widget.button;import android.app.activity;/** * Demo Description: * Scroller Use example-let the control pan across the screen * reference: * HTTP://BLOG.CSDN.N et/c_weibin/article/details/7438323 * Thank you very much * * NOTE: * 1 Set the width of the Cc.cn.LinearLayoutSubClass control in the layout to "Fill

Android class description-scroller

This article translated from: http://developer.android.com/reference/android/widget/Scroller.html Inheritance relationship Java. Lang. Object |____ Android. widget. scroller Class Overview This class encapsulates rolling processing. In its constructor, you can pass the rolling duration and specify the maximum time required by the Rolling animation. During this period, the rolling processing will automatically move them to the final stage. If the compu

Android scroller Simple usage

The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is defined in view. Setting the Mscroller scrolling position does not cause the view to scroll, usually using Mscroller to record/calculate the position of the view scroll, and then rewrite the view's Computescroll () to complete the actual scro

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