带有第一个缩略图作为封面的Android Gallery

 
i.setLayoutParams(new Gallery.LayoutParams(150, 100));

 
i.setLayoutParams(new Gallery.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));

cover.xml

 
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"
    android:layout_width=\"fill_parent\" android:layout_height=\"fill_parent\"
    android:padding=\"6dip\">
    <ImageView android:id=\"@+cover/imgImage\" android:adjustViewBounds=\"true\"
        android:layout_width=\"fill_parent\" android:layout_height=\"fill_parent\">
    </ImageView>
    <TextView android:id=\"@+cover/tvCoverText1\"
        android:layout_width=\"fill_parent\" android:layout_height=\"wrap_content\"
        android:maxLines=\"2\" android:text=\"Text1\" />
    <TextView android:id=\"@+cover/tvCoverText2\"
        android:layout_width=\"fill_parent\" android:layout_height=\"wrap_content\"
        android:singleLine=\"true\" android:maxLines=\"1\" android:layout_below=\"@cover/tvCoverText1\"
        android:text=\"Text2\" />
</RelativeLayout>

getView()

package com.sagar.sample;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class Main extends Activity {

    private LayoutInflater mInflater = null;

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

        Gallery g = (Gallery) findViewById(R.main.gallery);
        g.setAdapter(new ImageAdapter(this));

        g.setOnItemClickListener(new OnItemClickListener() {
            public void onItemClick(AdapterView parent, View v, int position, long id) {
                Toast.makeText(Main.this, \"\" + position, Toast.LENGTH_SHORT).show();
            }
        });
    }

    public class ImageAdapter extends BaseAdapter {
        int mGalleryItemBackground;
        private Context mContext;

        private Integer[] mImageIds = {
                0, R.drawable.bp1, R.drawable.bp2, R.drawable.bp3 
        };

        public ImageAdapter(Context c) {
            mContext = c;
            mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//            TypedArray a = obtainStyledAttributes(R.styleable.HelloGallery);
//            mGalleryItemBackground = a.getResourceId(
//                    R.styleable.HelloGallery_android_galleryItemBackground, 0);
//            a.recycle();
        }

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

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

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

        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder viewHolder;
            View view = convertView;
            if(view == null) {
                view = mInflater.inflate(R.layout.cover, null);

                viewHolder = new ViewHolder();
                viewHolder.tvCoverText1 = (TextView)view.findViewById(R.cover.tvCoverText1);
                viewHolder.tvCoverText2 = (TextView)view.findViewById(R.cover.tvCoverText2);
                viewHolder.imgView = (ImageView)view.findViewById(R.cover.imgImage);
                view.setTag(viewHolder);             
            }
            else {
                viewHolder = (ViewHolder)view.getTag();
            }

            if(position == 0) {
                viewHolder.tvCoverText1.setVisibility(View.VISIBLE);
                viewHolder.tvCoverText2.setVisibility(View.VISIBLE);
                viewHolder.imgView.setVisibility(View.GONE);
            }
            else {
                viewHolder.tvCoverText1.setVisibility(View.GONE);
                viewHolder.tvCoverText2.setVisibility(View.GONE);
                viewHolder.imgView.setVisibility(View.VISIBLE);
                //viewHolder.imgView = new ImageView(mContext);
                viewHolder.imgView.setImageResource(mImageIds[position]); //Album cover is at 0th position
                viewHolder.imgView.setLayoutParams(new Gallery.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
                viewHolder.imgView.setScaleType(ImageView.ScaleType.FIT_XY);
                viewHolder.imgView.setBackgroundResource(mGalleryItemBackground);
            }
            return view;
        }
    }

    static class ViewHolder {
        TextView tvCoverText1, tvCoverText2;
        ImageView imgView;
    }
}

main.xml

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"
    android:layout_width=\"fill_parent\" android:layout_height=\"fill_parent\">
    <Gallery
        android:id=\"@+main/gallery\"
        android:layout_width=\"fill_parent\" android:layout_height=\"fill_parent\"
    />
</RelativeLayout>

if(position == 0)
    //show toptext and bottomtext from cover.xml
else
    //show tvTitle1 and tvTitle2 (may later include tvTitle3 and tvTitle4) from main.xml