listView implements single selection and multiple selection

Customize ViewGroup that implements the checkable interface

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Checkable;
import android.widget.LinearLayout;
/**
 * 自定义的用于listView在choiceModel下选择item状态改变的viewlayout,参见http://blog.csdn.net/harvic880925/article/details/41948211
 * @author ywj
 *
 */
public class ChoiceModelListViewItemView extends LinearLayout implements
		Checkable {

	boolean isChecked;

	public ChoiceModelListViewItemView(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public ChoiceModelListViewItemView(Context context) {
		super(context);
	}

	@Override
	public boolean isChecked() {
		return isChecked;
	}

	private static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };
/**
 * 重写此方法,为自定义的view增加checkable状态,因为仅仅实现checkable接口是不会有checked状态的.
 */
	@Override
	public int[] onCreateDrawableState(int extraSpace) {
		final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
		if (isChecked()) {
			mergeDrawableStates(drawableState, CHECKED_STATE_SET);
		}
		return drawableState;
	}

	@Override
	public void setChecked(boolean arg0) {
		if (isChecked != arg0) {

			this.isChecked = arg0;
			System.out.println("isChecked:" + isChecked);
			refreshDrawableState();
			updateCheckableView(isChecked, this);
		}
	}

	@Override
	public void toggle() {
		setChecked(!isChecked);
	}
	
	private void updateCheckableView(boolean isChecked,View view){
		if(view instanceof Checkable){
			((Checkable) view).setChecked(isChecked);
		}
		if(view instanceof ViewGroup){
			for (int i = 0, len = ((ViewGroup)view).getChildCount(); i < len; i++) {
				View child = ((ViewGroup)view).getChildAt(i);
				updateCheckableView(isChecked, child);
			}
		}
	}

}

item layout:

<com.yuwj.view.ChoiceModelListViewItemView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@drawable/selector_item_bg"
    android:gravity="left|center_vertical"
    android:orientation="horizontal" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="left|center_vertical"
        android:padding="@dimen/dp_2dp" >

        <CheckBox
            android:id="@+id/cb_select"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:button="@null"
            android:clickable="false"
            android:drawableLeft="@drawable/selector_checkbox_image"
            android:focusable="false"
            android:focusableInTouchMode="false" />

        <TextView
            android:id="@+id/tv_caiji_name"
            style="@style/common_textview_style"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="left|center_vertical"
            android:text="采集1" />

    </LinearLayout>

</com.yuwj.view.ChoiceModelListViewItemView>

listView layout:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <ListView
        android:id="@+id/lv_listview"
        style="@style/common_listview_style"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#ff0000"
        android:padding="20dp"
        android:text="@string/hello_world" />

</RelativeLayout>

item background color:

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_checked="true"><shape android:shape="rectangle">
            <solid android:color="@color/actionbar_color_lighter" />
        </shape></item>
    <item android:state_selected="true"><shape android:shape="rectangle">
            <solid android:color="@color/actionbar_color_lighter" />
        </shape></item>
    <item android:state_pressed="true"><shape android:shape="rectangle">
            <solid android:color="@color/actionbar_color_lighter" />
        </shape></item>
    <item><shape android:shape="rectangle">
            <solid android:color="@color/yellow_color_0" />
        </shape></item>

</selector>

style common_listview_style defined by listView

    <!-- 自定义通用listView style author:yuwj -->
    <style name="common_listview_style">
        <item name="android:cacheColorHint">@android:color/transparent</item>
        <item name="android:listSelector">@null</item>
        <item name="android:dividerHeight">1dp</item>
        <item name="android:divider">@color/gray0</item>
        <item name="android:headerDividersEnabled">false</item>
        <item name="android:footerDividersEnabled">false</item>
        <item name="android:scrollbars">none</item>
        <item name="android:choiceMode">singleChoice</item>
    </style>

Activity implementation:

package com.example.listviewsinglemultimodel;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ListView;

public class MainActivity<T> extends Activity {

	ListView lv_listview;
	BaseCommonAdapter<String> adapter;
	List<String> datas;
	List<String> selectValues;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		initParam();
		initView();
		initOperator();
	}

	private void initParam() {
		datas = new ArrayList<String>();
		for (int i = 64; i < 69; i++) {
			char c = (char) i;
			datas.add(String.valueOf(c));
		}
		adapter = new BaseCommonAdapter<String>(this, datas, R.layout.item) {

			@Override
			public void convert(BaseViewHolder holder, String item) {
				holder.setText(R.id.tv_value, item);
			}
		};
	}

	private void initView() {
		lv_listview = (ListView) this.findViewById(R.id.lv_listview);
		lv_listview.setAdapter(adapter);
		btn_confirm.setOnClickListener(new View.OnClickListener() {


			@Override
			public void onClick(View arg0) {
				SparseBooleanArray selectedPositions = lv_datas.getCheckedItemPositions();
				for (int i = 0; i < selectedPositions.size(); i++) {  
				    if (selectedPositions.valueAt(i)){  
				    	T t  = adapter.getItem(i);  
				    	selectedValues.add(t);
				    }  
				}  
				
			}
		});
	}

	private void initOperator() {
		
	}
}

Custom universal adapter:

package com.example.listviewsinglemultimodel;

import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

public abstract class BaseCommonAdapter<T> extends BaseAdapter {
	protected LayoutInflater mInflater;
	protected Context mContext;
	protected List<T> mDatas;
	protected final int mItemLayoutId;

	public BaseCommonAdapter(Context context, List<T> mDatas, int itemLayoutId) {
		this.mContext = context;
		this.mInflater = LayoutInflater.from(mContext);
		this.mDatas = mDatas;
		this.mItemLayoutId = itemLayoutId;
	}

	public void setDatas(List<T> datas) {
		if (datas != null) {

			this.mDatas = datas;
		}
		this.notifyDataSetChanged();
	}

	@Override
	public int getCount() {
		return mDatas.size();
	}

	@Override
	public T getItem(int position) {
		return mDatas.get(position);
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		final BaseViewHolder viewHolder = getViewHolder(position, convertView,
				parent);
		convert(viewHolder, getItem(position));
		return viewHolder.getConvertView();
	}

	public abstract void convert(BaseViewHolder holder, T item);

	private BaseViewHolder getViewHolder(int position, View convertView,
			ViewGroup parent) {
		return BaseViewHolder.get(mContext, convertView, parent, mItemLayoutId,
				position);
	}

	/**
	 * 刷新adapter
	 * 
	 * @param items
	 */
	public void updateAdapter(List<T> items) {
		mDatas.clear();
		mDatas.addAll(items);
		this.notifyDataSetChanged();
	}

}

BaseViewHolder:

package com.example.listviewsinglemultimodel;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

public class BaseViewHolder {
	private final SparseArray<View> mViews;
	private int mPosition;

	public int getmPosition() {
		return mPosition;
	}

	private View mConvertView;

	private BaseViewHolder(Context context, ViewGroup parent, int layoutId,
			int position) {
		this.mPosition = position;
		this.mViews = new SparseArray<View>();
		mConvertView = LayoutInflater.from(context).inflate(layoutId, parent,
				false);
		// setTag
		mConvertView.setTag(this);
	}

	/**
	 * 拿到ViewHolder对象
	 * 
	 * @param context
	 * @param convertView
	 * @param parent
	 * @param layoutId
	 * @param position
	 * @return
	 */
	public static BaseViewHolder get(Context context, View convertView,
			ViewGroup parent, int layoutId, int position) {
		if (convertView == null) {
			return new BaseViewHolder(context, parent, layoutId, position);
		}
		BaseViewHolder holder = (BaseViewHolder) convertView.getTag();
		holder.setPosition(position);

		return holder;
	}

	public View getConvertView() {
		return mConvertView;
	}

	/**
	 * 通过控件的Id获取对应的控件，如果没有则加入views
	 * 
	 * @param viewId
	 * @return
	 */
	public <T extends View> T getView(int viewId) {
		View view = mViews.get(viewId);
		if (view == null) {
			view = mConvertView.findViewById(viewId);
			mViews.put(viewId, view);
		}
		return (T) view;
	}

	/**
	 * 为TextView设置 * 
	 * @param viewId
	 * @param text
	 * @return
	 */
	public BaseViewHolder setText(int viewId, String text) {
		TextView view = getView(viewId);
		view.setText(text);
		return this;
	}

	/**
	 * 为ImageView设置图片
	 * 
	 * @param viewId
	 * @param drawableId
	 * @return
	 */
	public BaseViewHolder setImageResource(int viewId, int drawableId) {
		ImageView view = getView(viewId);
		view.setImageResource(drawableId);
		return this;
	}
	
	/**
	 * 为ImageView设置图片
	 * 
	 * @param viewId
	 * @param drawableId
	 * @return
	 */
	public BaseViewHolder setImageDrawable(int viewId, Drawable drawable) {
		ImageView view = getView(viewId);
		view.setImageDrawable(drawable);
		return this;
	}

	/**
	 * 为ImageView设置图片
	 * 
	 * @param viewId
	 * @param drawableId
	 * @return
	 */
	public BaseViewHolder setImageBitmap(int viewId, Bitmap bm) {
		ImageView view = getView(viewId);
		view.setImageBitmap(bm);
		return this;
	}


	public int getPosition() {
		return mPosition;
	}

	public void setPosition(int position) {
		this.mPosition = position;
	}

}