android弹出选择对话框-仿某团购网android客户端栏目选择

来源：互联网发布：linux dns配置文件详解编辑：程序博客网时间：2024/06/07 01:01

转自：http://owftc.iteye.com/blog/1993283

效果图一：

效果图二：

未完善，还比较简单：

弹出对话框，先只显示左边列表，右边列表需要宽度设置为0，用visiable会影响使用。

选中左边列表时，再根据数据情况展现右边或者是选中提交。

PopupCategory.java

Java代码  
package com.example.ysq.activity;  
  
import java.util.ArrayList;  
import java.util.List;  
  
import com.example.ysq.R;  
import com.example.ysq.adapter.CategoryAdapter;  
import com.example.ysq.entity.CategoryEntity;  
  
import android.os.Bundle;  
import android.util.DisplayMetrics;  
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.LinearLayout.LayoutParams;  
import android.widget.ListView;  
import roboguice.fragment.RoboDialogFragment;  
import roboguice.inject.InjectView;  
  
public class PopupCategory extends RoboDialogFragment{  
      
    @InjectView(R.id.rootcategory)  
    private ListView rootcategory;  
    @InjectView(R.id.childcategory)  
    private ListView childcategory;  
    @InjectView(R.id.child_lay)  
    private View child_lay;  
    private Window window;  
    public int x,y;  
      
    @Override  
    public void onActivityCreated(Bundle savedInstanceState){  
        super.onActivityCreated(savedInstanceState);  
        this.rootcategory.setDrawSelectorOnTop(true);  
        this.rootcategory.setVerticalScrollBarEnabled(false);  
        this.childcategory.setDrawSelectorOnTop(true);  
        this.childcategory.setVerticalScrollBarEnabled(false);  
          
        final List<CategoryEntity> data=new ArrayList<CategoryEntity>();  
        for(int i=0;i<20;i++){  
            CategoryEntity e=new CategoryEntity();  
            data.add(e);  
            e.setSeq(i);  
            e.setCount(i%3);  
            e.setName("测试"+i);  
            List<CategoryEntity> childList=new ArrayList<CategoryEntity>();  
            e.setChildList(childList);  
            for(int j=0;j<e.getCount();j++){  
                CategoryEntity ce=new CategoryEntity();  
                childList.add(ce);  
                ce.setSeq(j);  
                ce.setCount(j);  
                ce.setName("子目录"+i+":"+j);  
            }  
        }  
        final CategoryAdapter adapter=new CategoryAdapter(getActivity(), data, R.layout.category_item);  
        rootcategory.setAdapter(adapter);  
        final CategoryAdapter childadapter=new CategoryAdapter(getActivity(), new ArrayList<CategoryEntity>(), R.layout.category_child_item);  
        childcategory.setAdapter(childadapter);  
        rootcategory.setOnItemClickListener(new OnItemClickListener() {  
            @Override  
            public void onItemClick(AdapterView<?> parent, View view,int position, long id) {  
                //用下面getChildAt会报异常，因为这个只能在手机屏幕可视范围内能获取到，超出返回null  
//              View v;  
//              Log.e("i:", parent.getCount()+"");  
//              Log.e("i:", parent.getChildCount()+"");  
//              for (int i = 0; i < parent.getChildCount(); i++) {  
//                  Log.e("i:", i+"");  
//                  v = parent.getChildAt(i);  
//                  if (position == i) {  
//                      v.setBackgroundColor(Color.argb(153, 0, 186, 255));  
//                  } else {  
//                      v.setBackgroundColor(Color.TRANSPARENT);  
//                  }  
//              }  
                adapter.setFocus(position);  
                CategoryEntity category=data.get(position);  
                List<CategoryEntity> childList=category.getChildList();  
                if(childList.size()>0){  
                    childadapter.setData(childList);  
                    WindowManager.LayoutParams localLayoutParams;  
                    localLayoutParams=window.getAttributes();  
                    localLayoutParams.width = (int)(width-localLayoutParams.x*2);  
                    localLayoutParams.height = (int)(height-localLayoutParams.y*2);  
                    window.setAttributes(localLayoutParams);  
                    LayoutParams params=new LayoutParams((int)(width/2-localLayoutParams.x),localLayoutParams.height);  
                    child_lay.setLayoutParams(params);  
                }else{  
                    //todo:  
                    PopupCategory.this.dismiss();  
                }  
            }  
        });  
          
        childcategory.setOnItemClickListener(new OnItemClickListener() {  
            @Override  
            public void onItemClick(AdapterView<?> parent, View view,int position, long id) {  
                PopupCategory.this.dismiss();  
            }  
        });  
          
//      child_lay.setVisibility(View.INVISIBLE);  
        //设置宽度高度  
        LayoutParams params=new LayoutParams(0, 0);  
        child_lay.setLayoutParams(params);  
    }  
      
    private int height;  
    private int width;  
    @Override  
    public View onCreateView(LayoutInflater inflater, ViewGroup container,  
            Bundle savedInstanceState) {  
        window = this.getDialog().getWindow();  
        WindowManager.LayoutParams localLayoutParams;  
        window.setWindowAnimations(R.style.push_top);  
        window.setBackgroundDrawableResource(R.drawable.bg_category);  
        localLayoutParams=window.getAttributes();  
        localLayoutParams.gravity=Gravity.TOP|Gravity.LEFT;  
        localLayoutParams.x=this.x;  
        localLayoutParams.y=this.y;  
        window.addFlags(Window.FEATURE_PROGRESS);  
        localLayoutParams.dimAmount=0.6F;  
          
        DisplayMetrics displaymetrics = new DisplayMetrics();  
        this.getActivity().getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);  
        height = displaymetrics.heightPixels;  
        width = displaymetrics.widthPixels;  
  
        localLayoutParams.width = (int)(width/2-localLayoutParams.x);  
        localLayoutParams.height = (int)(height-localLayoutParams.y*2);  
        window.setAttributes(localLayoutParams);  
          
        this.setCancelable(true);  
        this.getDialog().setCanceledOnTouchOutside(true);  
        View localView = inflater.inflate(R.layout.popup_category, container, false);  
        return localView;  
    }  
}  

CategoryAdapter.java

Java代码  
package com.example.ysq.adapter;  
  
  
import java.util.List;  
  
import com.example.ysq.R;  
import com.example.ysq.entity.CategoryEntity;  
  
import android.content.Context;  
import android.graphics.Color;  
import android.view.LayoutInflater;  
import android.view.View;  
import android.view.ViewGroup;  
import android.widget.BaseAdapter;  
import android.widget.ImageView;  
import android.widget.TextView;  
  
public class CategoryAdapter extends BaseAdapter {  
    private List<CategoryEntity> entityList;  
    private LayoutInflater inflater;  
    private int itemViewResource;  
    private int index = 0;  
  
    public CategoryAdapter(Context paramContext, List<CategoryEntity> entityList, int itemViewResource) {  
        this.inflater = ((LayoutInflater) paramContext.getSystemService("layout_inflater"));  
        this.entityList = entityList;  
        this.itemViewResource = itemViewResource;  
    }  
      
    public void setData(List<CategoryEntity> paramList){  
        this.entityList=paramList;  
        notifyDataSetChanged();  
    }  
  
    private CategoryEntity b(int paramInt) {  
        return (CategoryEntity) this.entityList.get(paramInt);  
    }  
  
    public final void setFocus(int index ) {  
        this.index  = index ;  
        notifyDataSetChanged();  
    }  
  
    public final int getCount() {  
        if (isNull(this.entityList))  
            return 0;  
        return this.entityList.size();  
    }  
  
    public final long getItemId(int paramInt) {  
        return paramInt;  
    }  
  
    public final View getView(int paramInt, View paramView,  
            ViewGroup paramViewGroup) {  
        CategoryEntity localwk = b(paramInt);  
        ListItemView itemView;  
        if (paramView == null)  
        {  
          paramView = this.inflater.inflate(this.itemViewResource, paramViewGroup, false);  
          itemView = new ListItemView();  
          itemView.name = ((TextView)paramView.findViewById(R.id.name));  
          itemView.count = ((TextView)paramView.findViewById(R.id.count));  
          itemView.haschild = ((ImageView)paramView.findViewById(R.id.haschild));  
          paramView.setTag(itemView);  
        }else{  
            itemView = (ListItemView)paramView.getTag();  
        }  
  
        if(this.itemViewResource==R.layout.category_item){//父结构  
            if(localwk.getSeq()==this.index){  
                paramView.setBackgroundColor(Color.argb(255,234,234,234));//#ffeaeaea  
            }else{  
                paramView.setBackgroundDrawable(null);  
            }  
        }  
          
        itemView.name.setText(localwk.getName());  
          if (localwk.getCount() != -1)  
              itemView.count.setText(String.valueOf(localwk.getCount()));  
            
          if (isNull(localwk.getChildList()))  
              itemView.haschild.setVisibility(View.INVISIBLE);  
          else  
              itemView.haschild.setVisibility(View.VISIBLE);  
            
        return paramView;  
    }  
      
    static class ListItemView  
    {  
      TextView name;  
      TextView count;  
      public ImageView haschild;  
    }  
      
    public <T> boolean isNull(List<T> paramList) {  
        return (paramList == null) || (paramList.isEmpty());  
    }  
  
    @Override  
    public Object getItem(int arg0) {  
        // TODO Auto-generated method stub  
        return null;  
    }  
}  

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