【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