public void onItemClick(AdapterView<?> parent, View view, int position, long id) { parent.getAdapter().getItem(position); (CircleImageView) view.findViewById(R.id.img_jobberinfo_head); } 后面有4个参数,乍看直接晕菜,那么每个参数究竟是何意义呢. 举个例子会理解的更快:X, Y两个listview,X里有1,2…

Public Methods public abstract void onItemClick (AdapterView<?> parent, View view, int position, long id) Since: API Level 1 Callback method to be invoked when an item in this AdapterView has been clicked. Implementers can call getItemAtPosition(pos…

最近看到有人在问这三个参数的含义,其实帮助已经很详细的介绍了这三个参数,看来还是要好好学学英语了,不然连解释都看不懂. /**     * Get a View that displays the data at the specified position in the data set. You can either     * create a View manually or inflate it from an XML layout file. When the View is inf…

参考自: http://blog.csdn.net/zwq1457/article/details/8282717 http://blog.iamzsx.me/show.html?id=147001 public void onItemClick(AdapterView<?> arg0, View view, int position,long id) 假设有X, Y两个listview,X里有1,2,3,4这4个item,Y里有a,b,c,d这4个item. 如果你点了b这个item.则有如…

我们在使用ListView的时候,一般都会为ListView添加一个响应事件android.widget.AdapterView.OnItemClickListener.本文主要在于对OnItemClickListener的position和id参数做详细的解释,我相信有些人在这上面走了些弯路. 先来看一下官方的文档 position The position of the view in the adapter. id The row id of the item that was click…

今天在运行自己编写的App时,突然发现App在运行时闪退,然后就查看了Android Studio的Log,发现了这个错误,上网查了一下,才知道是RecyclerView的原生Bug,在数据更新时会出现这个Bug,错误显示为 java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid view holder adapter positionViewHolder{431a7450 position=1 id=-1, ol…

arg0:是指父Vjew arg1就是你点击的那个Item的View arg2是position,position是你适配器里面的position arg3是id,通常是第几个项.id是哪个项View的id.…

Android View.setId(int id) 用法 当要在代码中动态的添加View并且为其设置id时,如果直接用一个int值时,Studio会警告. 经过查询,动态设置id的方法有两种; 1. View.generateViewId(); 这个方法的返回值是个int值,方法的意思是获取一个可以用在setId(int id)方法中的int类型id; 官方文档说明: int generateViewId () Added in API level 17 Generate a value su…

混淆导致的数据绑定库错误 问题摘要 AbstractMethodError: abstract method "androidx.databinding.ViewDataBinding androidx.databinding.DataBinderMapper.getDataBinder(androidx.databinding.DataBindingComponent, android.view.View, int)" 堆栈如下: java.lang.AbstractMethodEr…

* This class represents the basic building block for user interface components. A View * occupies a rectangular area on the screen and is responsible for drawing and * event handling. View is the base class for <em>widgets</em>, which are * us…