gettag android

Android: Use the setTag () and getTag () Methods of View We usually use the findViewById () method to obtain the View control we want to use. However, in addition to this method, we can also use the setTag (Onbect) in the View) add an extra data to the View and use getTag () to obtain the corresponding View. The setTag () and

) Convertview.findviewbyid (R.ID.VIEW1); Vh.view2 = (ImageView) Convertview.findviewbyid (R.ID.VIEW2); vh.view3= (ImageView) Convertview.findviewbyid (R.ID.VIEW3); Vh.view4 = (ImageView) Convertview.findviewbyid (R.ID.VIEW4); Convertview.settag (VH); } else { VH = (Viewholder) convertview.gettag (); } Other code can be used directly by Vh.view1, Vh.view2, VH.VIEW3, VH.VIEW4 } You can look at the Android source code, especially have ListView, you will

Android setTag () and getTag (), and set multiple setTag () First, we need to know what the setTag method is. Tags Unlike IDs, tags are not used to identify views. tags are essentially an extra piece of information that can be associated with a view. they are most often used as a convenience to store data related to views in the views themselves rather than by putting them in a separate structure. Unlike

Android: Use setTag and getTag of View 1. Used to differentiate many similar views For example: button1.setOnClickListener(new OnClickListener ... );button2.setOnClickListener(new OnClickListener ... ); They may execute similar logic, but you must set two independent OnClick events for the two buttons respectively, public void onClick(View v) { doAction(1); // 1 for button1, 2 for button2, etc.} This

); returnConvertview; }}The acquisition of Convertview involves the recycle problem of the ListView, not the focus of this article. Here is the main view of the implementation of Viewholder. The implementation of Viewholder relies on the view provided by the Settag and Gettag two methods, in order to facilitate understanding of the two methods and the behavior of the objects maintained, here is an example:Xml:Relativelayoutxmlns:android= "Http://schem

In Android, Settag (Object) is able to add a special tag to a view and then use Gettag () to get the tag.用处1:多个button设置不同tag,通过tag区分new OnClickListener() {　　publicvoidonClick(View v) {//获取当前view对应的数字　　int cellId = (Integer) v.getTag();　　cellClicked(cellId, v);　　}　　}　　View v;　　for (int020; i++) {　　v = findViewById(cellIDs[i]);　　v.setOnClickListener(listener);　　v.setTag(i);　　}用法2:在adapter中的getview实现回收的convert

Settag is a Android of the View a useful method in a class,In the same class, it is convenient to access data without building a database,It also saves memory more than sharepreference.Settag ( Object tag) method is relatively simpleLike whatTextView tvexecutor = (TextView) Findviewbyid (R.ID.T);Tvexecutor.settag(selectedusermap);This SelectedusermapCan make mapIt can also be the object of LinkedlistYou can store a variety of temporary data, but you c

Write a custom adapter to bind the listview. When rewriting getview, I found that the online reference code used the settag () and gettag () functions. Baidu could not find the answer, google will find it: P The settag (onbect) in the view indicates that an extra data is added to the view. In the future, you can use gettag () to retrieve this data. You can use multiple buttons to add a listener. Each butto

settag. The listener uses gettag to identify which button is pressed. Import Android. App. activity;Import Android. OS. Bundle;Import Android. View. view;Import Android. widget. Button; Public class main extends activity { @ OverridePublic void oncreate (bundle savedinstanc

Reprinted: http://www.apkbus.com/android-13264-1-1.html Write a custom adapter to bind the listview. When rewriting getview, you will find that the online reference code is useful to the settag () and gettag () functions. The settag (onbect) in the view indicates that an extra data is added to the view. In the future, you can use gettag () to retrieve this data.

The settag (onbect) in the view indicates that an extra data is added to the view. In the future, you can use gettag () to retrieve this data. You can use multiple buttons to add a listener. Each button has a different settag. The listener uses gettag to identify which button is pressed. Import Android. App. activity; Import

settag. The listener uses gettag to identify which button is pressed. Import Android. App. activity;Import Android. OS. Bundle;Import Android. View. view;Import Android. widget. Button;Public class main extends activity {@ OverridePublic void oncreate (bundle savedinstances

Title: Method Settag (), Gettag () play a role in viewWhy I find such a problem, the main reason is that I encountered when learning Viewholder, then only know how to use. At Google, I found a good explanation on StackOverflow. Hence the translation of one or two.Source Address: Http://stackoverflow.com/questions/5291726/what-is-the-main-purpose-of-settag-gettag-methods-of-viewExplanation:For example, you c

first we need to know what the Settag method is, he is a label to the View object, the tag can be anything, we set him up as an object here, Because we abstract the elements of Vlist2.xml into a class Viewholder, using the Settag, this tag isViewholder a property of an object after it is instantiated.we then forViewholderinstantiated ObjectsHolderthe operation, all becauseJavareference mechanism that has survived and changedConvertviewthe content, and not every time is going toNewone. We're just

What is the main purpose of setTag () getTag () methods of View ?, SettaggettagExample: Method setTag () and getTag () play a role in View The main reason why I found such a problem is that I only knew how to use it when I learned ViewHolder. At google, I found stackoverflow had a good explanation. Translation 2. Source Address: http://stackoverflow.com/questions/5291726/what-is-the-main-purpose-of-settag-

LogUtil is often used for Android development. logutil is developed for android. Log is often used during development. One of the methods we often write is to customize a LogUtil tool class. private static boolean LOGV = true; private static boolean LOGD = true; private static boolean LOGI = true; private static boolean LOGW = true; private static boolean LOGE = true; public static void

Figure Description: Moving, backup after the launch of Android virtual machine appears Solution to the problem of panic:could not open D:\java2\android\android-sdk-windows\.android\avd\test.ini A few days ago, I am sorting some files, the previously installed on the Android