【问题标题】:Triggering Onitemclick grid view触发 Onitemclick 网格视图
【发布时间】:2012-02-26 22:26:37
【问题描述】:

我有一个使用 onitemclickListener 设置的网格视图,但是当我单击一个项目时它不起作用,任何人都可以帮助我努力完成这项工作

主要活动

public class BahashActivity extends Activity implements OnItemClickListener{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    GridView grid = (GridView) findViewById(R.id.grid);
    grid.setAdapter(new ImageAdapter(this));
}


    public void onItemClick(AdapterView<?> parent, View v, int position,
            long id) {

        if(position == 0){
            Intent i = new Intent(BahashActivity.this, Age.class);
            BahashActivity.this.startActivity(i);

        }


    }


}

图像适配器

package your.age.namespace;

import android.content.Context;
import android.content.Intent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.Toast;

公共类 ImageAdapter 扩展 BaseAdapter { 私有上下文 mContext;

public ImageAdapter(Context c) {
    mContext = c;
}

public int getCount() {
    return mThumbIds.length;
}

public Object getItem(int position) {
    return null;
}

public long getItemId(int position) {
    return 0;
}

// create a new ImageView for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
    ImageView imageView;
    if (convertView == null) { // if it's not recycled, initialize some
                                // attributes
        imageView = new ImageView(mContext);

        imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        imageView.setPadding(8, 8, 8, 8);
    } else {
        imageView = (ImageView) convertView;
    }

    imageView.setImageResource(mThumbIds[position]);
    return imageView;
}

// references to our images
private Integer[] mThumbIds = { R.drawable.ic_launcher,
        R.drawable.ic_launcher, R.drawable.ic_launcher,
        R.drawable.ic_launcher, R.drawable.ic_launcher,
        R.drawable.ic_launcher };

}

【问题讨论】:

    标签: android


    【解决方案1】:

    你打电话了吗?

    gridView.setOnItemClickListener(this);
    

    【讨论】:

      【解决方案2】:

      那没用。我不知道为什么,但是当你实现接口并调用 “gridView.setOnItemClickListener(this);”,这不起作用。'

      这样做的方法是:

      gridView.setOnItemClickListener( new OnItemClickListener(){
      
                  public void onItemClick(AdapterView<?> adapter, View view, int position, long arg3) {
      
                      Toast.makeText(getBaseContext(), "Proving", Toast.LENGTH_SHORT).show();
      
      
              }
      
          });
      

      我相信,这会很好。

      【讨论】:

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