照片轮换

package com.luck.imageshow;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;

public class ImageShow extends Activity {
int []img=new int[]{
R.drawable.im1,
R.drawable.im2,
R.drawable.im3,
R.drawable.im4
};

int curr=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_image_show);
LinearLayout main= (LinearLayout)this.findViewById(R.id.root);
final ImageView image=new ImageView(this);
main.addView(image);
image.setImageResource(img[0]);
image.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(curr>=3){
curr=-1;
}
image.setImageResource(img[++curr]);
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.image_show, menu);
return true;
}

}

布局文件：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/root"
android:orientation="vertical"
></LinearLayout>