Welcome

首页 / 移动开发 / Android / Android之Gallery使用例子

刚刚学习Android,用Gallery作了一个小demo,用来记录一下。
package com.example.galleryex02;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.MotionEvent;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.Gallery;import android.widget.ImageView;public class MainActivity extends Activity {@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);setTitle("电影海报");Gallery gallery = (Gallery) findViewById(R.id.gallery1);MyGalleryAdapter galAdapter = new MyGalleryAdapter(this);gallery.setAdapter(galAdapter);}public class MyGalleryAdapter extends BaseAdapter { Context context;Integer[] posterID = { R.drawable.mov11, R.drawable.mov12,R.drawable.mov13, R.drawable.mov14, R.drawable.mov15,R.drawable.mov16, R.drawable.mov17, R.drawable.mov18,R.drawable.mov19, R.drawable.mov20 };public MyGalleryAdapter(Context c) {context = c;}public int getCount() {// TODO Auto-generated method stubreturn posterID.length;}public Object getItem(int arg0) {// TODO Auto-generated method stubreturn null;}public long getItemId(int position) {// TODO Auto-generated method stubreturn 0;}public View getView(int position, View convertView, ViewGroup parent) {ImageView imageview = new ImageView(context);imageview.setLayoutParams(new Gallery.LayoutParams(100, 150)); //设置image大小imageview.setScaleType(ImageView.ScaleType.FIT_CENTER); imageview.setPadding(5, 5, 5, 5);imageview.setImageResource(posterID[position]);final int pos = position;//点击galley的image的时候imageview.setOnTouchListener(new View.OnTouchListener() {public boolean onTouch(View v, MotionEvent event) {ImageView ivPoster = (ImageView) findViewById(R.id.ivPoster);ivPoster.setScaleType(ImageView.ScaleType.FIT_CENTER);ivPoster.setImageResource(posterID[pos]);return false;}});return imageview;}}}
效果如下:

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。