Java 单击GridView的项时未发生任何事件
我使用GridView来显示类别,我在Grid View中使用了ImageButton和文本视图,但我无法在这些项目上设置OnItemClickListener(单击它时,我会看到什么都没有发生) 我的代码是 这是我的GridView适配器Java 单击GridView的项时未发生任何事件,java,android,gridview,Java,Android,Gridview,我使用GridView来显示类别,我在Grid View中使用了ImageButton和文本视图,但我无法在这些项目上设置OnItemClickListener(单击它时,我会看到什么都没有发生) 我的代码是 这是我的GridView适配器 public class MyAdapter extends BaseAdapter{ private ArrayList<String> listJewel_name; private ArrayList<Integer&
public class MyAdapter extends BaseAdapter{
private ArrayList<String> listJewel_name;
private ArrayList<Integer> listJewellery;
private Activity activity;
//private LayoutInflater inflater;
public MyAdapter(Activity activity,ArrayList<String> listJewel_name, ArrayList<Integer> listJewellery) {
super();
this.listJewel_name = listJewel_name;
this.listJewellery = listJewellery;
this.activity = activity;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return listJewel_name.size();
}
@Override
public String getItem(int position) {
// TODO Auto-generated method stub
return listJewel_name.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
public static class ViewHolder
{
public ImageButton imgViewJewel;
public TextView txtViewTitle;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ViewHolder view;
LayoutInflater inflator = activity.getLayoutInflater();
if(convertView==null)
{
view = new ViewHolder();
convertView = inflator.inflate(R.layout.gridview, null);
view.txtViewTitle = (TextView) convertView.findViewById(R.id.tvtext);
view.imgViewJewel = (ImageButton) convertView.findViewById(R.id.picture);
convertView.setTag(view);
}
else
{
view = (ViewHolder) convertView.getTag();
}
view.txtViewTitle.setText(listJewel_name.get(position));
view.imgViewJewel.setImageResource(listJewellery.get(position));
return convertView;
}
}
公共类MyAdapter扩展了BaseAdapter{
private ArrayList listJewel_名称;
私人ArrayList珠宝;
私人活动;
//私人充气机;
公共MyAdapter(活动活动、ArrayList ListJewell\u名称、ArrayList ListJewell){
超级();
this.listJewel\u name=listJewel\u name;
this.listJewellery=listJewellery;
这个。活动=活动;
}
@凌驾
public int getCount(){
//TODO自动生成的方法存根
返回listJewel_name.size();
}
@凌驾
公共字符串getItem(int位置){
//TODO自动生成的方法存根
返回listJewel_name.get(位置);
}
@凌驾
公共长getItemId(int位置){
//TODO自动生成的方法存根
返回0;
}
公共静态类视图持有者
{
公共图像按钮imgViewJewel;
公共文本视图txtViewTitle;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
//TODO自动生成的方法存根
视图持有者视图;
LayoutFlater充气器=活动。GetLayoutFlater();
if(convertView==null)
{
视图=新的ViewHolder();
convertView=充气机。充气(R.layout.gridview,null);
view.txtViewTitle=(TextView)convertView.findViewById(R.id.tvtext);
view.imgViewJewel=(ImageButton)convertView.findViewById(R.id.picture);
setTag(视图);
}
其他的
{
view=(ViewHolder)convertView.getTag();
}
view.txtViewTitle.setText(listJewel_name.get(position));
view.imgviewjewell.setImageResource(listJewellery.get(position));
返回视图;
}
}
我的活动课是
GridView gridView;
Button add;
private MyAdapter mAdapter;
private ArrayList<String> listJewel_name;
private ArrayList<Integer> listJewellery;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_select_jewellery_option);
prepareList();
// prepared arraylist and passed it to the Adapter class
mAdapter = new MyAdapter(this,listJewel_name, listJewellery);
// Set custom adapter to gridview
gridView = (GridView) findViewById(R.id.gridview);
gridView.setAdapter(mAdapter);
// Implement On Item click listener
gridView.setOnItemClickListener(new OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View v, int position,
long id) {
String shri=mAdapter.getItem(position);
Toast.makeText(SelectJewelleryOption.this, shri , Toast.LENGTH_SHORT).show();
}
});
}
GridView-GridView;
按钮添加;
私用MyAdapter mAdapter;
private ArrayList listJewel_名称;
私人ArrayList珠宝;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u select\u jewellery\u选项);
准备主义者();
//准备arraylist并将其传递给适配器类
mAdapter=新的MyAdapter(此,ListJewell_名称,ListJewell);
//将自定义适配器设置为gridview
gridView=(gridView)findViewById(R.id.gridView);
setAdapter(mAdapter);
//在项目上实现单击侦听器
setOnItemClickListener(新的OnItemClickListener(){
@凌驾
公共控件单击(AdapterView父对象、视图v、内部位置、,
长id){
字符串shri=mAdapter.getItem(位置);
Toast.makeText(选择JewelleryOption.this、shri、Toast.LENGTH_SHORT.show();
}
});
}
我的XML文件是
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.myjewelbox.SquareImageButtonView
android:id="@+id/picture"
android:layout_width="match_parent"
android:layout_height="130dp"
android:scaleType="fitCenter"
android:clickable="true" />
<TextView
android:id="@+id/tvtext"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingLeft="10dp"
android:paddingRight="1dp"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:layout_gravity="bottom"
android:textColor="@color/Golden"
android:background="#55000000"
android:focusable="false"
/>
</FrameLayout>
我已经将这个XMl文件设置为主XMl文件的GridView,而不是直接为GridView设置ItemClickListener
view.imgViewJewel.setItemClickListener(活动) 确保
GridView布局的
及
GridView
无法处理可单击的项目<例如,代码>按钮
不起作用。此外,如果您有任何其他不可单击的项目,则必须确保未设置属性:clikable=“true”
请参阅下面的链接-它与您期望的内容相同
在适配器类中,在返回行之前,在convertView上设置ClickListener
convertView.setOnClickListener(new onClickListener(){
//In this method you can get the items same as you are getting in your
//adapter, as follow:-
String name=listJewel_name.get(position);
//or you can do whatever you want as now you have the whole view that is
//clicked, so you can event get its children or start a new activity or
//whatever you want
}
return converView;
希望这有帮助。请将您的xml更改为-
添加ASE 2行-
android:clickable=“true”
android:focusable=“false”
有关更多详细信息,请参见此处-
你能分享你的gridview布局文件吗?@Homosapiens我已经添加了CML文件,请看我也添加了我的XML外观。从子视图中移除android:clickable
和android:focusable
,只在gridview上设置。我设置了那些clicable和focusable属性,但什么都没有发生。你能分享吗xml文件?您可以将android:clickable=“false”设置为您的SquareImageButtonView并检查吗?现在它甚至没有检测到单击以前它检测到单击但什么都没有发生“以前它检测到单击但什么都没有发生”意味着什么?请检查更新并建议我@azerto00Set-ItemClickListener()在适配器的getview()中的视图上,比如----view.txtViewTitle.setText(listJewel_name.get(position));view.imgviewjewell.setImageResource(listJewellery.get(position));view.imgViewJewel.setOnClickListener(listner)返回convertView;setOnClickListener代替了setItemClickListener()**那么您做错了一些事情。只需从这里下载代码,并替换您的图像和文本-它应该可以工作。做一件事创建您的演示项目,并发送电子邮件给我manishupacc@gmail.com但是演示应该处于工作状态。事实上,这是我项目的一部分,我会把整个项目都寄给你,好吗?没有,没有,只有相关文件放在那里,没有整个项目。否则我需要更多的时间来理解我。我会在晚上检查并回复你。如果我不发送整个文件,它将无法工作,这就是为什么。。。请查收我寄给你的邮件
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.myjewelbox.SquareImageButtonView
android:id="@+id/picture"
android:layout_width="match_parent"
android:layout_height="130dp"
android:clickable="true"
android:focusable="false"
android:focusableInTouchMode="false"
android:scaleType="fitCenter" />
<TextView
android:id="@+id/tvtext"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="#55000000"
android:focusable="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:paddingBottom="10dp"
android:paddingLeft="10dp"
android:paddingRight="1dp"
android:paddingTop="10dp"
android:textColor="@color/Golden" />
</FrameLayout>