Android的：如何通过它的位置从获得网格视图项目标签：在另一个网格视图设置的项目，点击监听功能？ [英] Android: how to get grid-view item Tag by its position from with-in Another grid-view's set-on-item-click listener function?

问题描述

我怎样才能得到一个网​​格视图的项目标签是由它的位置，并有从另一个来获得网格视图的项目点击监听功能。

  gridview2.setOnItemClickListener（新OnItemClickListener（）
{
    公共无效onItemClick（适配器视图＆LT;＆GT;母公司，视图V，
                            INT位置，长的ID）
    {
        INT I =（整数）gridview1.getChildAt（gridview1s_position）.getTag（）;  - ＆GT;它返回null
    }
}）;
 

MY gridview1.setOnitemClicklistener和gridview2.setonitemclicklistener是在相同的文件（MainActivity.java）

但gridview1适配器是ImageAdapter.java（这是在gridview1设置图像）和

gridview2适配器imageadapter2.java（这是用于设置黑色图像，使得

gridview2看起来像行的框和

列，否则它显示像粗线，因为我们没有把GridView中的任何东西）

  gridview1.setOnItemClickListener（新OnItemClickListener（）
    {
        公共无效onItemClick（适配器视图＆LT;＆GT;母公司，视图V，INT位置，长的ID）
        {
            INT标记=（整数）gridview1.getChildAt（位置）.getTag（）; //返回这个标签
        }
     }）;
 

ImageAdapter1.java

 公共查看getView（INT为arg0，ARG1查看，ViewGroup中ARG2）{
    // TODO自动生成方法存根
    如果（ARG1！= NULL）
    {
        IMV =（ImageView的）ARG1;
    }
    其他
    {
        IMV =新ImageView的（续）
        imv.setLayoutParams（新GridView.LayoutParams（40,40））;
        imv.setScaleType（ScaleType.CENTER_CROP）;
        （0,0,0,0）imv.setPadding;    }
    imv.setImageResource（imageid [arg0中]）; // imageid阿雷是具有可拉伸的图像
    imv.setTag（imageid [arg0中]）;
    返回IMV;}
 

gridview2

  gridview2.setOnItemClickListener（新OnItemClickListener（）
    {
      ImageAdapter IA =新ImageAdapter（getApplicationContext（））;
公共无效onItemClick（适配器视图＆LT;＆GT;母公司，视图V，INT位置，长的ID）
         {
                ImageView的IMV;
                  如果（V！= NULL）
            {
                IMV =（ImageView的）V;
            }
            其他
            {
                IMV =新ImageView的（getApplicationContext（））;
                imv.setLayoutParams（新GridView.LayoutParams（40,40））;
                imv.setScaleType（ScaleType.CENTER_CROP）;
                （0,0,0,0）imv.setPadding;
                imv.setBackgroundColor（5555）;            }                  imv.setImageResource（ia.imageid [TT]）;
        }
}）;
 

解决方案

最后我自己我有我的question.Thank您的解决方案为所有谁给了他们宝贵的意见。

我保存的网厂景的一个变量particullar细胞的标记和使用的变量在网格视图2。

How can I get a grid-view's item tag by its position and have to get from another grid-view's item click listener function.

gridview2.setOnItemClickListener(new OnItemClickListener() 
{
    public void onItemClick(AdapterView<?> parent, View v,
                            int position, long id) 
    {
        int i=(Integer)gridview1.getChildAt(gridview1s_position).getTag();---> it is returning Null     
    }  
});

MY gridview1.setOnitemClicklistener and gridview2.setonitemclicklistener are in the same file (MainActivity.java)

But the gridview1 adapter is a ImageAdapter.java(this is for setting the images in the gridview1) and

gridview2 adapter is imageadapter2.java(this is for setting black images so that the

gridview2 looks like a box with rows and

columns, otherwise it is showing like a Bold line because we didn't put anything in the gridview)

gridview1.setOnItemClickListener(new OnItemClickListener() 
    {
        public void onItemClick(AdapterView<?> parent, View v,int position, long id) 
        {  
            int tag=(Integer)gridview1.getChildAt(position).getTag();//this returning the tag
        }
     }); 

ImageAdapter1.java

 public View getView(int arg0, View arg1, ViewGroup arg2) {
    // TODO Auto-generated method stub


    if(arg1!=null)
    {
        imv=(ImageView)arg1;
    }
    else
    {
        imv=new ImageView(cont);
        imv.setLayoutParams(new GridView.LayoutParams(40,40));
        imv.setScaleType(ScaleType.CENTER_CROP);
        imv.setPadding(0,0,0,0);

    }
    imv.setImageResource(imageid[arg0]);//imageid aray is having drawable images
    imv.setTag(imageid[arg0]);
    return imv;

}

gridview2

gridview2.setOnItemClickListener(new OnItemClickListener() 
    { 
      ImageAdapter ia=new ImageAdapter(getApplicationContext());
public void onItemClick(AdapterView<?> parent, View v,int position, long id) 
         {  
                ImageView imv;
                  if(v!=null)
            {
                imv=(ImageView)v;
            }
            else
            {
                imv=new ImageView(getApplicationContext());
                imv.setLayoutParams(new GridView.LayoutParams(40,40));
                imv.setScaleType(ScaleType.CENTER_CROP);
                imv.setPadding(0,0,0,0);
                imv.setBackgroundColor(5555);

            }

                  imv.setImageResource(ia.imageid[tt]); 
        }
});

解决方案

Finally myself i got the solution for my question.Thank you for all who gave their valuable suggestions.

i saved the tag of a particullar cell of grid-view1 in a variable and used that variable in the grid-view2.

这篇关于Android的：如何通过它的位置从获得网格视图项目标签：在另一个网格视图设置的项目，点击监听功能？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！