王立平--Gallery:实现图片的左右滑动

<span style="font-size:18px;color:#330033;">package com.main;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;

@SuppressWarnings("deprecation")
public class MainActivity extends Activity {
Gallery gallery;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gallery = (Gallery)findViewById(R.id.gallery);
gallery.setAdapter(new ImageAdapter(this));
gallery.pointToPosition(0, 0);

}

class ImageAdapter extends BaseAdapter{

private Context context;
//图片源数组
private Integer[] imageInteger={

R.drawable.ic_launcher,
R.drawable.bg3,
R.drawable.ic_launcher,
R.drawable.bg3,
R.drawable.ic_launcher,
R.drawable.bg3,
R.drawable.ic_launcher,
R.drawable.bg3
};

public ImageAdapter(Context c){

context = c;

}

@Override

public int getCount() {

return imageInteger.length;

}

@Override

public Object getItem(int position) {

return position;

}

@Override

public long getItemId(int position) {

// TODO Auto-generated method stub

return position;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

ImageView imageView = new ImageView(context);

imageView.setImageResource(imageInteger[position]);

imageView.setScaleType(ImageView.ScaleType.FIT_XY);

return imageView;

}}

}</span>

<span style="font-size:18px;color:#330033;"><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >

<Gallery
android:id="@+id/gallery"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_alignParentTop="true"
android:gravity="fill_vertical"
android:spacing="10dp"
android:background="#0000FF"
android:padding="0dp"
/>

</RelativeLayout>

</span>