[Android]ch5.13_Gallery相簿元件1
歡迎訂閱頻道：杜仲教學YouTube
https://www.youtube.com/channel/UCElwt6s8Ea_V-gnu9sZZT5g?sub_confirmation=1
杜仲教學部落格：
https://derekcctu.blogspot.com/
杜仲教學部落格：
https://derekcctu.blogspot.com/
Ether.fi Cash Card 一張所有人必備的加密貨幣信用卡 [Ether.fi Cash Card] ： https://www.ether.fi/app/cash/sign-up?ref_code=d27f8523 ------國際交易所------ [Bitg...
-
22.Hamster Kombat Daily Combo倉鼠戰鬥_DailyCombo0620 ------國際交易所------ [Bitget 交易所]： https://partner.bitget.com/bg/DCA888 邀請碼：DCA888 [Bybit交...
-
[CATS coin每日任務(Ton區塊鏈游戲伏擊百倍幣)] https://t.me/catsgang_bot/join?startapp=FXvTt0OIdo7NJ4jxDutEV ------國際交易所------ [Bitget 交易所]： https://partn...
package com.derek.a0924_gallery;
回覆刪除import android.R.integer;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
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.ImageView.ScaleType;
import android.widget.LinearLayout.LayoutParams;
import android.widget.Toast;
public class MainActivity extends Activity {
Gallery gallery;
ImageView IV;
int images[]={R.drawable.a1,R.drawable.a2,R.drawable.a3,R.drawable.a4,R.drawable.a5,
R.drawable.a6,R.drawable.a7,R.drawable.a8,R.drawable.a9,R.drawable.a10,
R.drawable.a11,R.drawable.a12,R.drawable.a13,R.drawable.a14,R.drawable.a15,R.drawable.a16};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gallery=(Gallery)findViewById(R.id.gallery1);
IV=(ImageView)findViewById(R.id.imageView1);
ImageAdapter IA=new ImageAdapter(MainActivity.this);
gallery.setAdapter(IA);
gallery.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView parent, View view,int position, long id) {
IV.setImageResource(images[position]);
Toast.makeText(MainActivity.this, "No."+(position+1), Toast.LENGTH_SHORT).show();
}
});
}
public class ImageAdapter extends BaseAdapter{
Context context;
public ImageAdapter(Context ct){
context=ct;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return images.length;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView img;
if(convertView==null){
img=new ImageView(context);
img.setLayoutParams(new Gallery.LayoutParams(150,200));
img.setScaleType(ScaleType.FIT_XY);
}else{
img=(ImageView)convertView;
}
img.setImageResource(images[position]);
return img;
}
}
}