android 实现画廊
源代码下载
点击打开链接
如图
点击画廊中的图片之后，画廊会滑动，如下图
具体代码实现
main.xml
<?xml version="1.0" encoding="utf-8"?><Galleryxmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/Gallery01"android:layout_width="fill_parent"android:layout_height="wrap_content"/>
ImageAdapter.java
package com.example.gallery;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 mContext;private Integer[] mImageIds = { R.drawable.img1, R.drawable.img2,R.drawable.img3, R.drawable.img4, R.drawable.img5, R.drawable.img6,R.drawable.img7, R.drawable.img8 };public ImageAdapter(Context c) {mContext = c;}public int getCount() {return mImageIds.length;}public long getItemId(int position) {return position;}public View getView(int position, View convertView, ViewGroup parent) {ImageView imageview = new ImageView(mContext);imageview.setImageResource(mImageIds[position]);imageview.setScaleType(ImageView.ScaleType.FIT_CENTER);imageview.setLayoutParams(new Gallery.LayoutParams(120, 120));return imageview;}@Overridepublic Object getItem(int arg0) {// TODO Auto-generated method stubreturn null;}}
MainActivity.java
package com.example.gallery;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.Gallery;import android.widget.Toast;public class MainActivity extends Activity{public void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);Gallery g=(Gallery)findViewById(R.id.Gallery01);g.setAdapter(new ImageAdapter(this));g.setBackgroundResource(R.drawable.bg0);g.setOnItemClickListener(new OnItemClickListener(){@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {// TODO Auto-generated method stubToast.makeText(MainActivity.this,"you choose "+(position+1)+"th picture",Toast.LENGTH_SHORT).show();}});}}