How Android adds a listening method to the ListView

<span id="Label3"></p><p><p><span style="font-size:18px; background-color:rgb(255,102,0)">The first step is to create a ListView</span></p></p><p><p><span style="font-size:18px"><br></span></p></p><p><p><span style="font-size:18px">Get an object by ID</span></p></p><span style="font-size:18px"><span style="white-space:pre"><span style="white-space:pre"></span></span>ListView ListView = (listview) Findviewbyid (r.id.listview1);<br><span style="white-space:pre"><span style="white-space:pre"></span></span>Create an adapter pair<br><span style="white-space:pre"><span style="white-space:pre"></span></span><br><span style="white-space:pre"><span style="white-space:pre"></span></span>The parameter represents the meaning (context object, per-line style type (must be TextView type Android. R..... Is the System's own style, can also use its own definition), the data itself (can be from the resource data, can also be from the array added in java))<br><span style="white-space:pre"><span style="white-space:pre"></span></span>The following method (data from an array of resource files)<br><span style="white-space:pre"><span style="white-space:pre"></span></span>ListAdapter adapter = Arrayadapter.createfromresource (<br><span style="white-space:pre"><span style="white-space:pre"></span></span>this, r.array.ctype, Android. r.layout.simple_list_item_1);<br><span style="white-space:pre"><span style="white-space:pre"></span></span><br><span style="white-space:pre"><span style="white-space:pre"></span></span>Add an adapter to an object<span style="white-space:pre"><span style="white-space:pre"> </span></span><br><span style="white-space:pre"><span style="white-space:pre"></span></span>Listview.setadapter (adapter);<br><br><br><br><br><span style="background-color:rgb(255,102,0)"><span style="background-color:rgb(255,102,0)">//add A listening method to the Object:</span></span><br><span style="white-space:pre"><span style="white-space:pre"></span></span>Listview.setonitemclicklistener (new Onitemclicklistener () {<br><br><br><span style="white-space:pre"><span style="white-space:pre"></span></span>@Override<br><span style="white-space:pre"><span style="white-space:pre"></span></span>public void Onitemclick (adapterview<?> parent, view view,<br><span style="white-space:pre"><span style="white-space:pre"></span></span>The parent refers to the Father View itself, and the second parameter refers to every small item within the ListView that is TestView<br><span style="white-space:pre"><span style="white-space:pre"></span></span>int position, long Id) {//position refers to the line number of the current point<br><span style="white-space:pre"><span style="white-space:pre"></span></span>TODO auto-generated Method Stub<br><span style="white-space:pre"><span style="white-space:pre"></span></span>String result = parent.getitematposition (position). toString ();<br><span style="white-space:pre"><span style="white-space:pre"></span></span>Toast.maketext (listviewactivity.this, result, toast.length_long). show ();<br><br><br><span style="white-space:pre"><span style="white-space:pre"></span></span>}<br><br><br><span style="white-space:pre"><span style="white-space:pre"></span></span><br><span style="white-space:pre"><span style="white-space:pre"></span></span>}<br><span style="white-space:pre"><span style="white-space:pre"></span></span>);<br></span><br> <p style="font-size:12px;"><p style="font-size:12px;">Copyright Notice: This article for Bo Master original article, without Bo Master permission not Reproduced.</p></p> <p><p>How Android adds a listening method to the ListView</p></p></span>