Android 仿淘宝商品属性标签页

 自定义ViewGroup

 package jczb.shoping.common; import android.content.Context; import android.util.AttributeSet; import android.util.Log; import android.view.View; import android.view.ViewGroup; public class MyViewGroup extends ViewGroup { private final static int VIEW_MARGIN=15; public MyViewGroup(Context context, AttributeSet attrs){ super(context, attrs); } public MyViewGroup(Context context) { super(context); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int stages = 1; int stageHeight = 0; int stageWidth = 0; int wholeWidth = MeasureSpec.getSize(widthMeasureSpec); for (int i = 0; i = wholeWidth) { stages++; //reset stageWidth stageWidth = child.getMeasuredWidth(); } } int wholeHeight = (stageHeight + VIEW_MARGIN) * stages; // report this final dimension setMeasuredDimension(resolveSize(wholeWidth, widthMeasureSpec), resolveSize(wholeHeight, heightMeasureSpec)); } private int jiange = 10;//按钮之间的间隔 @Override protected void onLayout(boolean arg0, int arg1, int arg2, int arg3, int arg4) { final int count = getChildCount(); int row=0;// which row lay you view relative to parent int lengthX=arg1 ; // right position of child relative to parent int lengthY=arg2; // bottom position of child relative to parent for(int i=0;iarg3){ lengthX=width+VIEW_MARGIN+arg1; row++; lengthY=row*(height+VIEW_MARGIN)+VIEW_MARGIN+height+arg2; } child.layout(lengthX-width, lengthY-height, lengthX, lengthY); } } } 

 package jczb.shoping.adapter; import java.util.ArrayList; import java.util.HashMap; import jczb.shoping.common.MyViewGroup; import jczb.shoping.ui.R; import android.content.Context; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.os.Handler; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.LinearLayout; import android.widget.LinearLayout.LayoutParams; import android.widget.TableLayout; import android.widget.TextView; public class PropertyAdapter extends BaseAdapter { private Context mContext; private ArrayList> mList; private ArrayList> mViewList; private Drawable drawableNormal ; private Drawable drawablePressed; private Handler mHandler; //用于保存用户的属性集合 private HashMap selectProMap=new HashMap(); /** * 返回选中的属性 * @return */ public HashMap getSelectProMap() { return selectProMap; } public void setSelectProMap(HashMap selectProMap) { this.selectProMap = selectProMap; } public PropertyAdapter(Handler handler,Context context,ArrayList> list){ super(); this.mHandler=handler; this.mContext=context; this.mList=list; mViewList=new ArrayList>(); drawableNormal=mContext.getResources().getDrawable(R.drawable.tv_property_label); } @Override public int getCount() { // TODO Auto-generated method stub return mList.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return mList.get(position); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { // 获取list_item布局文件的视图 convertView = LayoutInflater.from(this.mContext).inflate(R.layout.lv_property_item, null,true); holder = new ViewHolder(); // 获取控件对象 holder.tvPropName= (TextView) convertView .findViewById(R.id.tv_property_name); //holder.llPropContents=(LinearLayout)convertView.findViewById(R.id.ll_property_content); //holder.tlPropContents=(TableLayout)convertView.findViewById(R.id.ll_property_content); // 设置控件集到convertView holder.vgPropContents= (MyViewGroup) convertView.findViewById(R.id.myviewgroup); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } if (this.mList != null) { //HashMap mapView=new HashMap(); ArrayList lables = (ArrayList) this.mList.get(position).get("lable"); String type = (String) this.mList.get(position).get( "type"); holder.tvPropName.setText(type);//规格名称 //动态加载标签 //判断布局中的子控件是否为0，如果不为0，就不添加了，防止ListView滚动时重复添加 if(holder.vgPropContents.getChildCount()==0){ TextView[] textViews = new TextView[lables.size()]; //设置每个标签的文本和布局 //TableRow tr=new TableRow(mContext); for (int i = 0; i