android--GridView + ViewFlipper布局界面，模仿“机锋市场

package com.zhoujh.appstore; import com.zhoujh.appstore.animation.WindowAnimation; import android.app.ActivityGroup; import android.content.Context; import android.content.Intent; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.os.Bundle; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.ViewFlipper; public class JifengActivity extends ActivityGroup { private ViewFlipper mViewFlipper; private GridView menuGridView; //底部菜单的名字 private String []menuGridViewNames = null; //未选择时 显示的图片资源id private int []menuGridViewUnSelectedImgs = null; //选择时 显示的图片资源id private int []menuGridViewSelectedImgs = null; //上次点击的位置，当前点击的位置 private int lastClickPosition,clickPosition; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.main); initRes(); findViews(); setValues(); setListeners(); } private void findViews() { menuGridView = (GridView)this.findViewById(R.id.gridview); mViewFlipper = (ViewFlipper)this.findViewById(R.id.content); } private void setValues() { menuGridView.setAdapter(new BottomMenuGridView(this)); menuGridView.setNumColumns(4); menuGridView.setSelector(new ColorDrawable(Color.TRANSPARENT)); menuGridView.setGravity(Gravity.CENTER); menuGridView.setBackgroundResource(R.drawable.tab_bg); switchActivity(AppConstants.INDEX_ACTIVITY_INDEX); } private void initRes() { menuGridViewNames = new String[4]; menuGridViewNames[0] = this.getString(R.string.tab_index); menuGridViewNames[1] = this.getString(R.string.tab_type); menuGridViewNames[2] = this.getString(R.string.app_rank); menuGridViewNames[3] = this.getString(R.string.app_manager); menuGridViewUnSelectedImgs = new int[4]; menuGridViewUnSelectedImgs[0] = R.drawable.tab_home_normal; menuGridViewUnSelectedImgs[1] = R.drawable.tab_rank_normal; menuGridViewUnSelectedImgs[2] = R.drawable.tab_category_normal; menuGridViewUnSelectedImgs[3] = R.drawable.tab_app_unselect; menuGridViewSelectedImgs = new int[4]; menuGridViewSelectedImgs[0] = R.drawable.tab_home_selected; menuGridViewSelectedImgs[1] = R.drawable.tab_rank_selected; menuGridViewSelectedImgs[2] = R.drawable.tab_category_selected; menuGridViewSelectedImgs[3] = R.drawable.tab_app_select; } private void setListeners() { menuGridView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { //Log.i(TAG, "arg2="+arg2+"; arg3="+arg3); lastClickPosition = clickPosition; clickPosition = arg2; if(lastClickPosition == clickPosition) return; //防止重复点击同一个菜单 RelativeLayout temp = (RelativeLayout)menuGridView.getChildAt(arg2); temp.setBackgroundResource(R.drawable.product_title_bg); temp.getChildAt(0).setBackgroundResource(menuGridViewSelectedImgs[arg2]); for(int i=0; i<menuGridViewNames.length; i++) { if(i != arg2) { RelativeLayout temp2 = (RelativeLayout)menuGridView.getChildAt(i); temp2.setBackgroundDrawable(null); temp2.getChildAt(0).setBackgroundResource(menuGridViewUnSelectedImgs[i]); } } switchActivity(arg2); } }); } private void switchActivity(int index) { String activityId = null; Intent intent = null; switch(index) { case AppConstants.INDEX_ACTIVITY_INDEX: intent = new Intent(this,IndexActivity.class); activityId = AppConstants.INDEX_ACTIVITY; break; case AppConstants.TYPE_ACTIVITY_INDEX: intent = new Intent(this,TypeActivity.class); activityId = AppConstants.TYPE_ACTIVITY; break; case AppConstants.RANK_ACTIVITY_INDEX: break; case AppConstants.LOCAL_MANAGER_ACTIVITY_INDEX: break; } if(activityId != null) { toActivity(activityId, intent); } } /** * 切换到指定activity * @param activityId * @param intent */ public void toActivity(String activityId,Intent intent) { intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); View view = getLocalActivityManager().startActivity(activityId, intent).getDecorView(); //切换activity时显示的动画效果 view.setAnimation(new WindowAnimation(500)); mViewFlipper.removeAllViews(); mViewFlipper.addView(view); mViewFlipper.showNext(); } private class BottomMenuGridView extends BaseAdapter { private LayoutInflater mInflater; public BottomMenuGridView(Context ctx) { this.mInflater = LayoutInflater.from(ctx); } @Override public int getCount() { // TODO Auto-generated method stub return menuGridViewUnSelectedImgs.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 position; } @Override public View getView(int position, View convertView, ViewGroup parent) { MenuViewHolder viewHolder; if(convertView == null) { convertView = mInflater.inflate(R.layout.item_tab, null); viewHolder = new MenuViewHolder(); viewHolder.imageView = (ImageView)convertView.findViewById(R.id.image_item); viewHolder.textView = (TextView)convertView.findViewById(R.id.text_item); convertView.setTag(viewHolder); }else { viewHolder = (MenuViewHolder)convertView.getTag(); } viewHolder.imageView.setBackgroundResource(menuGridViewUnSelectedImgs[position]); viewHolder.textView.setText(menuGridViewNames[position]); return convertView; } } private final class MenuViewHolder { public ImageView imageView; public TextView textView; } }