Android之gallery

运行结果图

main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/hello" />    <Gallery         android:id="@+id/myGallery"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:spacing="2px"/></LinearLayout>

ImageAdapter.java

package xyq.demo;import android.content.Context;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.Gallery;import android.widget.ImageView;public class ImageAdapter extends BaseAdapter{private Context context;private int[] MyImageIds = {R.drawable.image1,R.drawable.image2,R.drawable.image3,R.drawable.image4,R.drawable.image5,R.drawable.image6};public ImageAdapter(Context context){this.context=context;}@Overridepublic int getCount() {return MyImageIds.length;}@Overridepublic Object getItem(int position) {return position;}@Overridepublic long getItemId(int id) {return id;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView imageView = new ImageView(this.context);imageView.setImageResource(this.MyImageIds[position]);imageView.setLayoutParams(new Gallery.LayoutParams(320, 480));imageView.setScaleType(ImageView.ScaleType.FIT_XY);return imageView;}}

TestActivity.java

package xyq.demo;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.Gallery;import android.widget.Toast;public class TestActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                Gallery myGallery = (Gallery)findViewById(R.id.myGallery);        myGallery.setAdapter(new ImageAdapter(this));        //myGallery.setBackgroundResource(R.drawable.image0);        myGallery.setOnItemClickListener(new GalleryItemListener());    }    class GalleryItemListener implements OnItemClickListener      {     @Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {// TODO Auto-generated method stubToast.makeText(TestActivity.this, "你选择了" + (position + 1) + " 号图片", Toast.LENGTH_SHORT).show();}         }  }

代码地址