刷新加载

PreferencesUtil

 

import android.content.Context;
import android.content.SharedPreferences;
/**
 * SharePreferences工具类
 */
public class PreferencesUtil {

    public static SharedPreferences preferences;
    /*
     * 将数据存入配置文件的方法
     * void无返回类型
     */
    public static <T> String putPreferences(String key, T value, Context context) {
        checkSP(context);
        SharedPreferences.Editor editor = preferences.edit();
        if (value instanceof String) {
            editor.putString(key, value.toString());
        } else if (value instanceof Boolean) {
            editor.putBoolean(key, ((Boolean) value).booleanValue());
        } else if (value instanceof Integer) {
            editor.putInt(key, ((Integer) value).intValue());
        } else if (value instanceof Float) {
            editor.putFloat(key, ((Float) value).floatValue());
        } else if (value instanceof Long) {
            editor.putLong(key, ((Long) value).longValue());
        }
        editor.commit();
        return key;
    }
    /*
     * 检查配置文件是否存在
     */
    private static void checkSP(Context context) {
        if (preferences == null) {
            preferences = context.getSharedPreferences(context.getString(R.string.sp_name), Context.MODE_PRIVATE);
        }
    }
    /*
     * 获取配置文件内容的方法
     * 返回类型为泛型：-T类型
     */
    @SuppressWarnings("unchecked")
    public static <T> T getPreferences(String key, T value, Context context) {
        checkSP(context);
        Object o = null;
        if (value instanceof String) {
            o = preferences.getString(key, value.toString());
        } else if (value instanceof Boolean) {
            o = preferences.getBoolean(key,
                    ((Boolean) value).booleanValue());
        } else if (value instanceof Integer) {
            o = preferences.getInt(key,
                    ((Integer) value).intValue());
        } else if (value instanceof Float) {
            o = preferences.getFloat(key,
                    ((Float) value).floatValue());
        } else if (value instanceof Long) {
            o = preferences.getLong(key,
                    ((Long) value).longValue());
        }
        T t = (T) o;

        return t;
    }

    public static void clear() {
        SharedPreferences.Editor editor = preferences.edit();
        editor.clear();
        editor.commit();
    }
}

 

===============================================================================================================================

 

SimpleDataExample

 

import java.text.SimpleDateFormat;
import java.util.Calendar;

import android.content.Context;
import android.text.format.Time;

/**
 * Created by Administrator on 2015/7/9 0009.
 */
public class SimpleDataExample {

    //设置上次加载的数据时间
    public static void setFormat(String classifyId, Context context) {

        SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyy-MM-dd    HH:mm:ss");
        String date = sDateFormat.format(new java.util.Date());
        PreferencesUtil.putPreferences(classifyId, date, context);
    }

    //得到上次加载的数据时间
    public static void getFormat(String classifyId, Context context, XListView listView) {
        listView.stopRefresh();
        listView.stopLoadMore();
        String time = PreferencesUtil.getPreferences(classifyId, "yyyy-MM-dd", context);
        listView.setRefreshTime(time);

    }

    //方便调用合成上面的两个方法
    public static void getsetFormat(String type, Context context, XListView listView) {
        SimpleDataExample.setFormat(type, context);
        SimpleDataExample.getFormat(type, context, listView);
    }

    /**
     * 与当前日期比较
     */
    public static boolean getJudge(int year, int month, int monthDay) {
        Time time = new Time("GMT+8");
        time.setToNow();
        int currentYear = time.year;
        int currentMonth = time.month;
        int currentDay = time.monthDay;
        if (year > currentYear) {
            return false;
        } else if (year == currentYear && month > (currentMonth + 1)) {
            return false;
        } else if (year == currentYear && month == (currentMonth + 1) && monthDay > currentDay) {
            return false;
        } else {
            return true;
        }
    }

    /**
     * 与当前日期比较
     */
    public static boolean getJudgedata(int year, int month, int monthDay) {

        Time time = new Time("GMT+8");
        time.setToNow();
        int currentYear = time.year;
        int currentMonth = time.month;
        int currentDay = time.monthDay;
        if (year > currentYear) {
            return true;
        } else if (year == currentYear && month > (currentMonth + 1)) {
            return true;
        } else if (year == currentYear && month == (currentMonth + 1) && monthDay >= currentDay) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 与当前日期比较
     */
    public static boolean getJudgeTime(int hour, int minute) {
        Calendar c = Calendar.getInstance();//可以对每个时间域单独修改
        int currenthour = c.get(Calendar.HOUR_OF_DAY);
        int currentminute = c.get(Calendar.MINUTE);

        if (hour > currenthour) {
            return true;
        } else if (hour == currenthour && minute >= currentminute) {
            return true;
        } else {
            return false;
        }
    }
}

 

=============================================================================================================================

 

XListView

 

import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.animation.DecelerateInterpolator;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Scroller;
import android.widget.TextView;

public class XListView extends ListView implements OnScrollListener {

    private float mLastY = -1; // save event y
    private Scroller mScroller; // used for scroll back
    private OnScrollListener mScrollListener; // user's scroll listener

    // the interface to trigger refresh and load more.
    private IXListViewListener mListViewListener;

    // -- header view
    private XListViewHeader mHeaderView;
    // header view content, use it to calculate the Header's height. And hide it
    // when disable pull refresh.
    private RelativeLayout mHeaderViewContent;
    private TextView mHeaderTimeView;
    private int mHeaderViewHeight; // header view's height
    private boolean mEnablePullRefresh = true;
    private boolean mPullRefreshing = false; // is refreashing.

    // -- footer view
    private XListViewFooter mFooterView;
    private boolean mEnablePullLoad;
    private boolean mPullLoading;
    private boolean mIsFooterReady = false;

    // total list items, used to detect is at the bottom of listview.
    private int mTotalItemCount;

    // for mScroller, scroll back from header or footer.
    private int mScrollBack;
    private final static int SCROLLBACK_HEADER = 0;
    private final static int SCROLLBACK_FOOTER = 1;

    private final static int SCROLL_DURATION = 400; // scroll back duration
    private final static int PULL_LOAD_MORE_DELTA = 50; // when pull up >= 50px
    // at bottom, trigger
    // load more.
    private final static float OFFSET_RADIO = 1.8f; // support iOS like pull
    // feature.

   /* *//**
     * 手势的处理
     *//*
    private GestureDetector mGestureDetector;
    private OnTouchListener mGestureListener;*/
    /**
     * @param context
     */
    public XListView(Context context) {
        super(context);
        initWithContext(context);
      /*  mGestureDetector = new GestureDetector(new YScrollDetector());
        setFadingEdgeLength(0);*/
    }

   /* @Override
    public boolean onInterceptHoverEvent(MotionEvent event) {
        return super.onInterceptHoverEvent(event)&&mGestureDetector.onTouchEvent(event);
    }

    class YScrollDetector extends GestureDetector.SimpleOnGestureListener{

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            //if(distanceY!=0 &&distanceX!=0){
            // }
            if(Math.abs(distanceY)>=Math.abs(distanceX)){
                return true;
            }else{
                return false;
            }
        }
    }*/

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

    public XListView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        initWithContext(context);
    }

    private void initWithContext(Context context) {
        mScroller = new Scroller(context, new DecelerateInterpolator());
        // XListView need the scroll event, and it will dispatch the event to
        // user's listener (as a proxy).
        super.setOnScrollListener(this);

        // init header view
        mHeaderView = new XListViewHeader(context);
        mHeaderViewContent = (RelativeLayout) mHeaderView
        .findViewById(R.id.xlistview_header_content);
        mHeaderTimeView = (TextView) mHeaderView
        .findViewById(R.id.xlistview_header_time);
        addHeaderView(mHeaderView);

        // init footer view
        mFooterView = new XListViewFooter(context);

        // init header height
        mHeaderView.getViewTreeObserver().addOnGlobalLayoutListener(
                new OnGlobalLayoutListener() {
                    @Override
                    public void onGlobalLayout() {
                        mHeaderViewHeight = mHeaderViewContent.getHeight();
                        getViewTreeObserver()
                                .removeGlobalOnLayoutListener(this);
                    }
                });
    }

    @Override
    public void setAdapter(ListAdapter adapter) {
        // make sure XListViewFooter is the last footer view, and only add once.
        if (mIsFooterReady == false) {
            mIsFooterReady = true;
            if (getCount() > 10) {
                mFooterView.setVisibility(VISIBLE);
            } else {
                mFooterView.setVisibility(GONE);
            }
            addFooterView(mFooterView);
        }
        super.setAdapter(adapter);
    }

    /**
     * enable or disable pull down refresh feature.
     *
     * @param enable
     */
    public void setPullRefreshEnable(boolean enable) {
        mEnablePullRefresh = enable;
        if (!mEnablePullRefresh) { // disable, hide the content
            mHeaderViewContent.setVisibility(View.INVISIBLE);
        } else {
            mHeaderViewContent.setVisibility(View.VISIBLE);
        }
    }

    /**
     * enable or disable pull up load more feature.
     *
     * @param enable
     */
    public void setPullLoadEnable(boolean enable) {
        mEnablePullLoad = enable;
        if (!mEnablePullLoad) {
            mFooterView.hide();
            mFooterView.setOnClickListener(null);
        } else {
            mPullLoading = false;
            mFooterView.show();
            mFooterView.setState(XListViewFooter.STATE_NORMAL);
            // both "pull up" and "click" will invoke load more.
            mFooterView.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    startLoadMore();
                }
            });
        }
    }

    /**
     * stop refresh, reset header view.
     */
    public void stopRefresh() {
        if (mPullRefreshing == true) {
            mPullRefreshing = false;
            resetHeaderHeight();
        }
    }

    /**
     * stop load more, reset footer view.
     */
    public void stopLoadMore() {
        if (mPullLoading == true) {
            mPullLoading = false;
            mFooterView.setState(XListViewFooter.STATE_NORMAL);
        }
    }

    /**
     * set last refresh time
     *
     * @param
     */
    public void setRefreshTime(String strTime) {
        Log.d("shijiangeshi", strTime);
        mHeaderTimeView.setText(strTime);
        /*DateFormat dfFormat = new SimpleDateFormat("yyyy-MM-dd  HH:mm:ss");
        Date date = new Date(System.currentTimeMillis());
        String strTime = dfFormat.format(date);
        *//*String strTime = time.substring(0,10);*//*
        mHeaderTimeView.setText(strTime);*/
    }

    private void invokeOnScrolling() {
        if (mScrollListener instanceof OnXScrollListener) {
            OnXScrollListener l = (OnXScrollListener) mScrollListener;
            l.onXScrolling(this);
        }
    }

    private void updateHeaderHeight(float delta) {
        mHeaderView.setVisiableHeight((int) delta
                + mHeaderView.getVisiableHeight());
        if (mEnablePullRefresh && !mPullRefreshing) { // 未处于刷新状态，更新箭头
            if (mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
                mHeaderView.setState(XListViewHeader.STATE_READY);
            } else {
                mHeaderView.setState(XListViewHeader.STATE_NORMAL);
            }
        }
        setSelection(0); // scroll to top each time
    }

    /**
     * reset header view's height.
     */
    private void resetHeaderHeight() {
        int height = mHeaderView.getVisiableHeight();
        if (height == 0) // not visible.
            return;
        // refreshing and header isn't shown fully. do nothing.
        if (mPullRefreshing && height <= mHeaderViewHeight) {
            return;
        }
        int finalHeight = 0; // default: scroll back to dismiss header.
        // is refreshing, just scroll back to show all the header.
        if (mPullRefreshing && height > mHeaderViewHeight) {
            finalHeight = mHeaderViewHeight;
        }
        mScrollBack = SCROLLBACK_HEADER;
        mScroller.startScroll(0, height, 0, finalHeight - height,
                SCROLL_DURATION);
        // trigger computeScroll
        invalidate();
    }

    private void updateFooterHeight(float delta) {
        int height = mFooterView.getBottomMargin() + (int) delta;
        if (mEnablePullLoad && !mPullLoading) {
            if (height > PULL_LOAD_MORE_DELTA) { // height enough to invoke load
                // more.
                mFooterView.setState(XListViewFooter.STATE_READY);
            } else {
                mFooterView.setState(XListViewFooter.STATE_NORMAL);
            }
        }
        mFooterView.setBottomMargin(height);

//  setSelection(mTotalItemCount - 1); // scroll to bottom
    }

    private void resetFooterHeight() {
        int bottomMargin = mFooterView.getBottomMargin();
        if (bottomMargin > 0) {
            mScrollBack = SCROLLBACK_FOOTER;
            mScroller.startScroll(0, bottomMargin, 0, -bottomMargin,
                    SCROLL_DURATION);
            invalidate();
        }
    }

    private void startLoadMore() {
        mPullLoading = true;
        mFooterView.setState(XListViewFooter.STATE_LOADING);
        if (mListViewListener != null) {
            mListViewListener.onLoadMore();
        }
    }

    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (mLastY == -1) {
            mLastY = ev.getRawY();
        }

        switch (ev.getAction()) {
            case MotionEvent.ACTION_DOWN:
                mLastY = ev.getRawY();
                break;
            case MotionEvent.ACTION_MOVE:
                final float deltaY = ev.getRawY() - mLastY;
                mLastY = ev.getRawY();
                if (getFirstVisiblePosition() == 0
                        && (mHeaderView.getVisiableHeight() > 0 || deltaY > 0)) {
                    // the first item is showing, header has shown or pull down.
                    updateHeaderHeight(deltaY / OFFSET_RADIO);
                    invokeOnScrolling();
                } else if (getLastVisiblePosition() == mTotalItemCount - 1
                        && (mFooterView.getBottomMargin() > 0 || deltaY < 0)) {
                    // last item, already pulled up or want to pull up.
                    updateFooterHeight(-deltaY / OFFSET_RADIO);
                }
                break;
            default:
                mFooterView.setState(mFooterView.STATE_NORMAL);
                mLastY = -1; // reset
                if (getFirstVisiblePosition() == 0) {
                    // invoke refresh
                    if (mEnablePullRefresh
                            && mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
                        mPullRefreshing = true;
                        mHeaderView.setState(XListViewHeader.STATE_REFRESHING);
                        if (mListViewListener != null) {
                            mListViewListener.onRefresh();
                        }
                    }
                    resetHeaderHeight();
                } else if (getLastVisiblePosition() == mTotalItemCount - 1) {
                    // invoke load more.
                    if (mEnablePullLoad
                            && mFooterView.getBottomMargin() > PULL_LOAD_MORE_DELTA
                            && !mPullLoading) {
                        startLoadMore();
                    }
                    resetFooterHeight();
                }
                break;
        }
        return super.onTouchEvent(ev);
    }

    @Override
    public void computeScroll() {
        if (mScroller.computeScrollOffset()) {
            if (mScrollBack == SCROLLBACK_HEADER) {
                mHeaderView.setVisiableHeight(mScroller.getCurrY());
            } else {
                mFooterView.setBottomMargin(mScroller.getCurrY());
            }
            postInvalidate();
            invokeOnScrolling();
        }
        super.computeScroll();
    }

    @Override
    public void setOnScrollListener(OnScrollListener l) {
        mScrollListener = l;
    }

    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
        if (mScrollListener != null) {
            mScrollListener.onScrollStateChanged(view, scrollState);
        }
    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem,
                         int visibleItemCount, int totalItemCount) {
        // send to user's listener
        mTotalItemCount = totalItemCount;
        if (mScrollListener != null) {
            mScrollListener.onScroll(view, firstVisibleItem, visibleItemCount,
                    totalItemCount);
        }
    }

    public void setXListViewListener(IXListViewListener l) {
        mListViewListener = l;
    }

 

    /**
     * you can listen ListView.OnScrollListener or this one. it will invoke
     * onXScrolling when header/footer scroll back.
     */
    public interface OnXScrollListener extends OnScrollListener {
        public void onXScrolling(View view);
    }

    /**
     * implements this interface to get refresh/load more event.
     */
    public interface IXListViewListener {
        public void onRefresh();

        public void onLoadMore();
    }

}

==================================================================================================================================

 

XListViewFooter

 

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.day02_2_xlistview.R;

public class XListViewFooter extends LinearLayout {
    public final static int STATE_NORMAL = 0;
    public final static int STATE_READY = 1;
    public final static int STATE_LOADING = 2;

    private Context mContext;

    private View mContentView;
    private View mProgressBar;
    private TextView mHintView;

    public XListViewFooter(Context context) {
        super(context);
        initView(context);
    }

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

    public void setState(int state) {
        mHintView.setVisibility(View.INVISIBLE);
        mProgressBar.setVisibility(View.INVISIBLE);
        mHintView.setVisibility(View.INVISIBLE);
        if (state == STATE_READY) {
            mHintView.setVisibility(View.VISIBLE);
            mHintView.setText(R.string.xlistview_footer_hint_ready);
        } else if (state == STATE_LOADING) {
            mProgressBar.setVisibility(View.VISIBLE);
        } else {
            mHintView.setVisibility(View.VISIBLE);
            mHintView.setText(R.string.xlistview_footer_hint_normal);
        }
    }

    public void setBottomMargin(int height) {
        if (height < 0) return;
        LayoutParams lp = (LayoutParams) mContentView.getLayoutParams();
        lp.bottomMargin = height;
        mContentView.setLayoutParams(lp);
    }

    public int getBottomMargin() {
        LayoutParams lp = (LayoutParams) mContentView.getLayoutParams();
        return lp.bottomMargin;
    }

    /**
     * normal status
     */
    public void normal() {
        mHintView.setVisibility(View.VISIBLE);
        mProgressBar.setVisibility(View.GONE);
    }

    /**
     * loading status
     */
    public void loading() {
        mHintView.setVisibility(View.GONE);
        mProgressBar.setVisibility(View.VISIBLE);
    }

    /**
     * hide footer when disable pull load more
     */
    public void hide() {
        LayoutParams lp = (LayoutParams) mContentView.getLayoutParams();
        lp.height = 0;
        mContentView.setLayoutParams(lp);
    }

    /**
     * show footer
     */
    public void show() {
        LayoutParams lp = (LayoutParams) mContentView.getLayoutParams();
        lp.height = LayoutParams.WRAP_CONTENT;
        mContentView.setLayoutParams(lp);
    }

    private void initView(Context context) {
        mContext = context;
        LinearLayout moreView = (LinearLayout) LayoutInflater.from(mContext).inflate(R.layout.xlistview_footer, null);
        addView(moreView);
        moreView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));

        mContentView = moreView.findViewById(R.id.xlistview_footer_content);
        mProgressBar = moreView.findViewById(R.id.xlistview_footer_progressbar);
        mHintView = (TextView) moreView.findViewById(R.id.xlistview_footer_hint_textview);

    }

}

 

==================================================================================================================================

XListViewHeader

 

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

public class XListViewHeader extends LinearLayout {
    private LinearLayout mContainer;
    private ImageView mArrowImageView;
    private ProgressBar mProgressBar;
    private TextView mHintTextView;
    private int mState = STATE_NORMAL;

    private Animation mRotateUpAnim;
    private Animation mRotateDownAnim;

    private final int ROTATE_ANIM_DURATION = 180;

    public final static int STATE_NORMAL = 0;
    public final static int STATE_READY = 1;
    public final static int STATE_REFRESHING = 2;

    public XListViewHeader(Context context) {
        super(context);
        initView(context);
    }

    /**
     * @param context
     * @param attrs
     */
    public XListViewHeader(Context context, AttributeSet attrs) {
        super(context, attrs);
        initView(context);
    }

    private void initView(Context context) {
        // 初始情况，设置下拉刷新view高度�?0
        LayoutParams lp = new LayoutParams(
                LayoutParams.FILL_PARENT, 0);
        mContainer = (LinearLayout) LayoutInflater.from(context).inflate(
                R.layout.xlistview_header, null);
        addView(mContainer, lp);
        setGravity(Gravity.BOTTOM);

        mArrowImageView = (ImageView) findViewById(R.id.xlistview_header_arrow);
        mHintTextView = (TextView) findViewById(R.id.xlistview_header_hint_textview);
        mProgressBar = (ProgressBar) findViewById(R.id.xlistview_header_progressbar);

        mRotateUpAnim = new RotateAnimation(0.0f, -180.0f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
        mRotateUpAnim.setFillAfter(true);
        mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
        mRotateDownAnim.setFillAfter(true);
    }

    public void setState(int state) {
        if (state == mState)
            return;

        if (state == STATE_REFRESHING) { // 显示进度
            mArrowImageView.clearAnimation();
            mArrowImageView.setVisibility(View.INVISIBLE);
            mProgressBar.setVisibility(View.VISIBLE);
        } else { // 显示箭头图片
            mArrowImageView.setVisibility(View.VISIBLE);
            mProgressBar.setVisibility(View.INVISIBLE);
        }

        switch (state) {
            case STATE_NORMAL:
                if (mState == STATE_READY) {
                    mArrowImageView.startAnimation(mRotateDownAnim);
                }
                if (mState == STATE_REFRESHING) {
                    mArrowImageView.clearAnimation();
                }
                mHintTextView.setText(R.string.xlistview_header_hint_normal);
                break;
            case STATE_READY:
                if (mState != STATE_READY) {
                    mArrowImageView.clearAnimation();
                    mArrowImageView.startAnimation(mRotateUpAnim);
                    mHintTextView.setText(R.string.xlistview_header_hint_ready);
                }
                break;
            case STATE_REFRESHING:
                mHintTextView.setText(R.string.xlistview_header_hint_loading);
                break;
            default:
        }

        mState = state;
    }

    public void setVisiableHeight(int height) {
        if (height < 0)
            height = 0;
        LayoutParams lp = (LayoutParams) mContainer
                .getLayoutParams();
        lp.height = height;
        mContainer.setLayoutParams(lp);
    }

    public int getVisiableHeight() {
        return mContainer.getHeight();
    }

}

 

==========================================================================================================================

MainActivity

 

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

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

import com.example.day02_2_xlistview.adapter.MyAdapter;
import com.example.day02_2_xlistview.entity.Person;
import com.example.day02_2_xlistview.util.SimpleDataExample;
import com.example.day02_2_xlistview.util.XListView;
import com.example.day02_2_xlistview.util.XListView.IXListViewListener;

public class MainActivity extends Activity implements IXListViewListener{

 XListView lv_main_reference;
 MyAdapter adapter;
 
 List<Person> pList = new ArrayList<Person>();

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  lv_main_reference = (XListView) findViewById(R.id.lv_main_reference);
  adapter = new MyAdapter(this);
  lv_main_reference.setAdapter(adapter);

  // 添加XListView的上拉和下拉刷新监听器
  lv_main_reference.setPullLoadEnable(true);
  lv_main_reference.setPullRefreshEnable(true);
  lv_main_reference.setXListViewListener(this);
  adapter.addrest(pList);
 }
 
 //下拉刷新
 @Override
 public void onRefresh() {
  // TODO Auto-generated method stub
  pList.clear();
  adapter.addrest(pList);
  
   SimpleDataExample.setFormat("dddddddddddd", getApplicationContext());
         SimpleDataExample.getFormat("dddddddddddd", getApplicationContext(), lv_main_reference);
 }

 //上拉加载
 @Override
 public void onLoadMore() {
  // TODO Auto-generated method stub
  adapter.addrest(pList);
  
  SimpleDataExample.setFormat("dddddddddddd", getApplicationContext());
        SimpleDataExample.getFormat("dddddddddddd", getApplicationContext(), lv_main_reference);
 }
}

==============================================================================================================================

frame_loading.xml

 

<?xml version="1.0" encoding="UTF-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false">

    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_01"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_02"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_03"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_04"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_05"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_06"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_07"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_08"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_09"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_10"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_11"
            android:gravity="left" />
    </item>
    <item android:duration="150">
        <clip
            android:clipOrientation="horizontal"
            android:drawable="@drawable/loading_12"
            android:gravity="left" />
    </item>

</animation-list>

 

===========================================================================================================================

xlistview_footer.xml

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

    <RelativeLayout
        android:id="@+id/xlistview_footer_content"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="10dp">

        <ProgressBar

            android:id="@+id/xlistview_footer_progressbar"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:layout_centerInParent="true"
            android:indeterminateDrawable="@drawable/frame_loading"
            android:visibility="visible" />

        <TextView
            android:id="@+id/xlistview_footer_hint_textview"
            android:layout_width="wrap_content"
            android:text="@string/xlistview_footer_hint_normal"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            />
    </RelativeLayout>

</LinearLayout>

 

=======================================================================================================================

xlistview_header.xml

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:gravity="bottom">

    <RelativeLayout
        android:id="@+id/xlistview_header_content"
        android:layout_width="fill_parent"
        android:layout_height="60dp">

        <LinearLayout

            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:gravity="center"
            android:orientation="vertical"
            android:id="@+id/xlistview_header_text">

            <TextView
                android:id="@+id/xlistview_header_hint_textview"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/xlistview_header_hint_normal"
                 />
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                   
                    android:textSize="12sp" />
                <TextView
                    android:id="@+id/xlistview_header_time"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/xlistview_header_last_time"
                    android:textSize="12sp" />
            </LinearLayout>
        </LinearLayout>

        <ImageView
            android:id="@+id/xlistview_header_arrow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@id/xlistview_header_text"
            android:layout_centerVertical="true"
            android:layout_marginLeft="-35dp"
            android:src="@drawable/xlistview_arrow" />

        <ProgressBar
            android:id="@+id/xlistview_header_progressbar"
            android:layout_width="30dp"
            android:layout_height="30dp"
            android:layout_alignLeft="@id/xlistview_header_text"
            android:layout_centerVertical="true"
            android:layout_marginLeft="-40dp"
            android:indeterminateDrawable="@drawable/frame_loading"
            android:visibility="invisible" />
    </RelativeLayout>

</LinearLayout>

 

===========================================================================================================================

dimens

 

<resources>

    <!-- Default screen margins, per the Android Design guidelines. -->
    <dimen name="activity_horizontal_margin">16dp</dimen>
    <dimen name="activity_vertical_margin">16dp</dimen>

</resources>

 

==============================================================================================================================

string

 

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">Day02_2_xListview</string>
    <string name="hello_world">Hello world!</string>
    <string name="menu_settings">Settings</string>

    <!--上拉刷新下拉加载控件的各个状态-->
    <string name="xlistview_header_hint_normal">下拉刷新</string>
    <string name="xlistview_header_hint_ready">松开刷新数据</string>
    <string name="xlistview_header_hint_loading">正在加载...</string>
    <string name="xlistview_header_last_time">上次更新时间：</string>
    <string name="xlistview_footer_hint_normal">查看更多</string>
    <string name="xlistview_footer_hint_ready">松开载入更多</string>
   
   
    <!--保存到本地的字段-->
    <string name="sp_name">egg_sp</string>
</resources>

 

=============================================================================================================================