Android 在自定义列表视图中添加项目ClickListener,例如(文本视图、图像、按钮)

Android 在自定义列表视图中添加项目ClickListener,例如(文本视图、图像、按钮),android,listview,Android,Listview,我们是否可以在自定义列表视图中添加项ClickListener,例如(文本视图、图像、按钮)? 如果有的话?然后,在编写侦听器代码的地方,您可以在自定义ListView中定义的项目上添加onClickListener。请参阅下面的代码 holder.txtIncident.setOnClickListener public View getView(final int position, View convertView, ViewGroup parent) {

我们是否可以在自定义列表视图中添加项ClickListener,例如(文本视图、图像、按钮)?
如果有的话?然后,在编写侦听器代码的地方,您可以在自定义ListView中定义的项目上添加onClickListener。请参阅下面的代码

holder.txtIncident.setOnClickListener

public View getView(final int position, View convertView,
            ViewGroup parent) {

        final ViewHolder holder;
        if (convertView == null) {
            convertView = l_Inflater.inflate(R.layout.headline_item, null);
            holder = new ViewHolder();

            holder.txtIncident = (TextView) convertView
                    .findViewById(R.id.txtIncident);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.txtIncident.setText(String.valueOf(itemList.get(position)
                .getIncident()));

        holder.txtIncident.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
        return convertView;
    }

您可以在自定义ListView中定义的项目上添加onClickListeners。请参阅下面的代码

holder.txtIncident.setOnClickListener

public View getView(final int position, View convertView,
            ViewGroup parent) {

        final ViewHolder holder;
        if (convertView == null) {
            convertView = l_Inflater.inflate(R.layout.headline_item, null);
            holder = new ViewHolder();

            holder.txtIncident = (TextView) convertView
                    .findViewById(R.id.txtIncident);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.txtIncident.setText(String.valueOf(itemList.get(position)
                .getIncident()));

        holder.txtIncident.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
        return convertView;
    }

可以,您可以为每个列表项中的组件创建侦听器。可以通过创建自定义列表适配器并在其getView方法中设置侦听器来实现这一点

    public class MyAdapter extends ArrayAdapter<String> {

        private int resourceId;
        private String[] objects;

        public MyAdapter(Context context,  int resourceId, String[] objects) {
           super(context, resourceId,objects);
           this.resourceId = resourceId;
           this.objects = objects;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
                convertView = inflater.inflate(resourceId, null);
            }

            //Make sure that you use convertView.findViewById and not just findViewById!
            TextView textView1 = convertView.findViewById(R.id.yourTextViewsId);
            textView1.setText(objects[position]);
            textView1.setOnClickListener(new View.OnClickListener(){

                @Override
                public void onClick(View view) {
                    //do something here
                }
            });

            return convertView;
        }
    }
公共类MyAdapter扩展了ArrayAdapter{
私有资源ID;
私有字符串[]对象;
公共MyAdapter(上下文上下文、int-resourceId、字符串[]对象){
超级(上下文、资源ID、对象);
this.resourceId=resourceId;
this.objects=对象;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
if(convertView==null){
LayoutFlater充气机=(LayoutFlater)getSystemService(布局充气机服务);
convertView=充气机。充气(resourceId,null);
}
//确保使用convertView.findViewById,而不仅仅是findViewById!
TextView textView1=convertView.findViewById(R.id.yourTextViewsId);
textView1.setText(对象[位置]);
textView1.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
//在这里做点什么
}
});
返回视图;
}
}

是的,您可以为每个列表项中的组件创建侦听器。可以通过创建自定义列表适配器并在其getView方法中设置侦听器来实现这一点

    public class MyAdapter extends ArrayAdapter<String> {

        private int resourceId;
        private String[] objects;

        public MyAdapter(Context context,  int resourceId, String[] objects) {
           super(context, resourceId,objects);
           this.resourceId = resourceId;
           this.objects = objects;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
                convertView = inflater.inflate(resourceId, null);
            }

            //Make sure that you use convertView.findViewById and not just findViewById!
            TextView textView1 = convertView.findViewById(R.id.yourTextViewsId);
            textView1.setText(objects[position]);
            textView1.setOnClickListener(new View.OnClickListener(){

                @Override
                public void onClick(View view) {
                    //do something here
                }
            });

            return convertView;
        }
    }
公共类MyAdapter扩展了ArrayAdapter{
私有资源ID;
私有字符串[]对象;
公共MyAdapter(上下文上下文、int-resourceId、字符串[]对象){
超级(上下文、资源ID、对象);
this.resourceId=resourceId;
this.objects=对象;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
if(convertView==null){
LayoutFlater充气机=(LayoutFlater)getSystemService(布局充气机服务);
convertView=充气机。充气(resourceId,null);
}
//确保使用convertView.findViewById,而不仅仅是findViewById!
TextView textView1=convertView.findViewById(R.id.yourTextViewsId);
textView1.setText(对象[位置]);
textView1.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
//在这里做点什么
}
});
返回视图;
}
}

当然可以。。您可以通过两种方式添加它

1) 。通过在xml文件中定义函数,并在自定义适配器类的getview或bindview中定义这些函数

    @Override
public View getView(int position, View view, ViewGroup parent) {

    if (view == null) {
        Button btn = (Button) view.findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
    }

    return view;

}
2) 。或者在自定义适配器类的bindview或getview中定义onclick侦听器

    @Override
public View getView(int position, View view, ViewGroup parent) {

    if (view == null) {
        Button btn = (Button) view.findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
    }

    return view;

}

当然。。您可以通过两种方式添加它

1) 。通过在xml文件中定义函数,并在自定义适配器类的getview或bindview中定义这些函数

    @Override
public View getView(int position, View view, ViewGroup parent) {

    if (view == null) {
        Button btn = (Button) view.findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
    }

    return view;

}
2) 。或者在自定义适配器类的bindview或getview中定义onclick侦听器

    @Override
public View getView(int position, View view, ViewGroup parent) {

    if (view == null) {
        Button btn = (Button) view.findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

            }
        });
    }

    return view;

}

是的,你可以。向我们展示你的代码是的,你可以。显示您的代码