android弹出抉择对话框-仿某团购网android客户端栏目选择

http://www.myexception.cn/android/1346620.html

android弹出选择对话框-仿某团购网android客户端栏目选择

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

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

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;
	}
}