android gallery 导航TAB样式 非常的漂亮和实用

package cn.etouch; import android.app.Activity; import android.content.Context; import android.content.res.TypedArray; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.Gallery; import android.widget.ImageButton; import android.widget.ImageSwitcher; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.Gallery.LayoutParams; import android.widget.ViewSwitcher.ViewFactory; public class GalleryActivity extends Activity { private Gallery gallery; private ImageView btnLeft,btnRight; private int[] resIds=new int[] {R.drawable.p1,R.drawable.p2,R.drawable.p3,R.drawable.p4,R.drawable.p5, R.drawable.p6,R.drawable.p7,R.drawable.p8,R.drawable.p9}; private String[] name = {"书城","营业厅","软件","学习","主题","百合","音乐","视频","游戏"}; //private Drawable[] resIds ; public class ButtonAdapter extends BaseAdapter{ LayoutInflater inflater; int mGalleryItemBackground; private Context mContext; Holder holder; public ButtonAdapter(Context c) { mContext=c; //TypedArray typedArray = obtainStyledAttributes(R.styleable.Gallery); //mGalleryItemBackground = typedArray.getResourceId(R.styleable.Gallery_android_galleryItemBackground, 0); } @Override public int getCount() { return Integer.MAX_VALUE; } @Override public Object getItem(int position) { return position; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { inflater = LayoutInflater.from(mContext); if (convertView == null) { convertView = inflater.inflate( R.layout.toolbar_row, null); holder = new Holder(); holder.img = (ImageView) convertView .findViewById(R.id.bar_img); holder.title = (TextView) convertView .findViewById(R.id.bar_title); convertView.setTag(holder); } else { holder = (Holder) convertView.getTag(); } holder.img.setBackgroundResource(resIds[position % resIds.length]); holder.title.setText(name[position % resIds.length]); return convertView; // ImageView imageView = new ImageView(mContext); // // // 通过取余来循环取得resIds数组中的图像资源ID // imageView.setImageResource(resIds[position % resIds.length]); // imageView.setScaleType(ImageView.ScaleType.FIT_XY); // imageView.setLayoutParams(new Gallery.LayoutParams(163, 106)); // //imageView.setBackgroundResource(mGalleryItemBackground); // return imageView; } } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnLeft = (ImageView)findViewById(R.id.BtnLeft); btnRight = (ImageView)findViewById(R.id.BtnRight); btnLeft.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub //gallery.getLeft(); int position = gallery.getSelectedItemPosition(); gallery.setSelection(position+1); } }); btnRight.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub //Toast.makeText(GalleryActivity.this, gallery.getNextFocusRightId(), Toast.LENGTH_SHORT).show(); int position = gallery.getSelectedItemPosition(); gallery.setSelection(position+1); } }); // CutIcon cut = new CutIcon(resIds, ""); //resIds = cut.cutIcon("50", "50); gallery=(Gallery)findViewById(R.id.gg); ButtonAdapter buttonadapter=new ButtonAdapter(this); gallery.setAdapter(buttonadapter); gallery.setBackgroundResource(R.drawable.gallerybg); // gallery.setOnItemSelectedListener(this); // 设置ImageSwitcher组件的工厂对象 //imageSwitcher.setFactory(this); // 设置ImageSwitcher组件显示图像的动画效果 // imageSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_in)); // imageSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_out)); } class Holder { ImageView img; TextView title; } }