Gallery的使用

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context=".MyGalleryActivity" >    <Gallery        android:id="@+id/gallery"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:padding="10dp" /></RelativeLayout>

import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.Gallery;import android.widget.ImageView;import android.widget.Toast;public class MyGalleryActivity extends Activity {private Gallery gallery ;int[] resouces = new int[]{R.drawable.b,R.drawable.c,R.drawable.d,R.drawable.e,R.drawable.f,R.drawable.g,R.drawable.h};//建立数据源@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_my_gallery);gallery = (Gallery)findViewById(R.id.gallery);gallery.setAdapter(new MyGalleryAdapter());//Gallery绑定适配器gallery.setOnItemClickListener(new OnItemClickListener() {//设置Gallery的点击事件@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {// TODO Auto-generated method stubToast.makeText(MyGalleryActivity.this, ""+arg2, Toast.LENGTH_SHORT).show();}});}class MyGalleryAdapter extends BaseAdapter{//设置适配器@Overridepublic int getCount() {// TODO Auto-generated method stubreturn resouces.length;}@Overridepublic Object getItem(int arg0) {// TODO Auto-generated method stubreturn resouces[arg0];}@Overridepublic long getItemId(int arg0) {// TODO Auto-generated method stubreturn arg0;}@Overridepublic View getView(int arg0, View arg1, ViewGroup arg2) {// TODO Auto-generated method stubImageView imageView = new ImageView(MyGalleryActivity.this);imageView.setImageResource(resouces[arg0]);imageView.setPadding(50, 10, 10, 10);return imageView;}}}

效果图：

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