java如何从ArrayList获取位置
/**
* Created by myozawoo on 11/21/14.
*/
public class GridActivity extends Activity {
GridView gridView;
ArrayList<Item> gridArray = new ArrayList<Item>();
CustomGridViewAdapter customGridAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 0);
setContentView(R.layout.activity_grid);
//set grid view item
final Bitmap one = BitmapFactory.decodeResource(this.getResources(), R.drawable.one);
Bitmap two = BitmapFactory.decodeResource(this.getResources(), R.drawable.two);
Bitmap three = BitmapFactory.decodeResource(this.getResources(), R.drawable.three);
Bitmap four = BitmapFactory.decodeResource(this.getResources(), R.drawable.four);
Bitmap five = BitmapFactory.decodeResource(this.getResources(), R.drawable.five);
Bitmap six = BitmapFactory.decodeResource(this.getResources(), R.drawable.six);
gridArray.add(new Item(one,"Text One"));
gridArray.add(new Item(two,"Text Two"));
gridArray.add(new Item(three,"Text Three"));
gridArray.add(new Item(four,"Text Four"));
gridArray.add(new Item(five,"Text Five"));
gridArray.add(new Item(six,"Text Six"));
//我想要这个数组中的位置
gridView = (GridView) findViewById(R.id.gridView);
customGridAdapter = new CustomGridViewAdapter(this, R.layout.custom_cell, gridArray);
gridView.setAdapter(customGridAdapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
Intent intent = new Intent(getBaseContext(), MainActivity.class);
intent.putExtra("page", gridArray.get(position).toString());
startActivity(intent);
Toast.makeText(getApplicationContext(), gridArray.get(position).toString(),
Toast.LENGTH_SHORT).show();
}
});
}
}
我想要静态的位置,比如1,2。但我不明白
# 1 楼答案
在Item类中再添加一个字符串字段页:
在构造函数中添加页值:
单击时从项目获取相应的页面值: