滑动效果

【核心代码】

package com.Yu12.Activity;


import com.Yu12.Adapter.My2;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Gallery;
import android.widget.ImageSwitcher;
import android.widget.ImageView;
import android.widget.Toast;
import android.widget.ViewSwitcher.ViewFactory;

public class Text24 extends Activity {
private Gallery qq;
private ImageSwitcher ww;
private int lastposotion=0;
private int[] data = new int[] { R.drawable.logo_douban,
R.drawable.logo_dropbox, R.drawable.logo_evernote,
R.drawable.logo_facebook, R.drawable.logo_flickr,
R.drawable.logo_foursquare, R.drawable.logo_googleplus,
R.drawable.logo_kaixin, R.drawable.logo_pinterest,
R.drawable.logo_qq, R.drawable.logo_qzone

};

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.text15);
init();

}

private void init() {
// TODO Auto-generated method stub
qq = (Gallery) findViewById(R.id.qq);
ww = (ImageSwitcher) findViewById(R.id.ww);
My2 my = new My2(this, data);
qq.setAdapter(my);
    ww.setFactory(vf);
    //无限循环
    qq.setSelection(Integer.MAX_VALUE/2);
qq.setOnItemSelectedListener(new OnItemSelectedListener() {

@Override
public void onItemSelected(AdapterView<?> adapterView, View view,
int position, long id) {
if(lastposotion<position){
ww.setInAnimation(getApplicationContext(),R.anim.left);
ww.setOutAnimation(getApplicationContext(),R.anim.right1);

}
else if(lastposotion>position){
ww.setInAnimation(getApplicationContext(),R.anim.left1);
ww.setOutAnimation(getApplicationContext(),R.anim.right);

}
lastposotion=position;
ww.setImageResource(data[position % data.length]);
}

@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
qq.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> adapterView, View view,
int position, long id) {

Toast.makeText(getApplicationContext(), "点击了" position,
Toast.LENGTH_SHORT).show();

}
});
}

ViewFactory vf = new ViewFactory() {

@Override
public View makeView() {
// TODO Auto-generated method stub
ImageView iv = new ImageView(getApplicationContext());
return iv;
}
};
}