菜鸟Andriod画廊视图23——画廊视图

来源：互联网发布：淘宝店刷排名靠前编辑：程序博客网时间：2024/05/21 02:50

1、代码

private int[] imageId = new int[]{R.drawable.img01,R.drawable.img02,
R.drawable.img03,R.drawable.img04,R.drawable.img05
};

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  @SuppressWarnings("deprecation")
  Gallery gallery = (Gallery)findViewById(R.id.gallery1);
  BaseAdapter adapter =new BaseAdapter() {

   @Override
   public View getView(int position, View convertView, ViewGroup parent) {
    ImageView imageview;
    if(convertView ==null){
     imageview=new ImageView(MainActivity.this);
     imageview.setScaleType(ImageView.ScaleType.FIT_XY);
     imageview.setLayoutParams(new Gallery.LayoutParams(180,135));
//     TypedArray typearray=obtainStyledAttributes(android.R.styleable.Gallery);
//     imageview.setBackgroundResource(t)
     imageview.setPadding(5, 0, 5, 0);
    }else{
     imageview=(ImageView)convertView;
    }
    imageview.setImageResource(imageId[position]);

    return imageview;
   }

   @Override
   public long getItemId(int position) {
    // TODO Auto-generated method stub
    return position;
   }

   @Override
   public Object getItem(int position) {
    // TODO Auto-generated method stub
    return position;
   }

   @Override
   public int getCount() {
    // TODO Auto-generated method stub
    return imageId.length;
   }
  };
  gallery.setAdapter(adapter);
  gallery.setSelection(imageId.length/2);

效果

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