android常用的开源框架——ListView
在android中最重要的常用组件之一ListView，几乎任何应用都有他们的影子。但我们每次在使用的时候总是忙于配置各种事件监听，特别是他的下拉刷新和加载更多。
前几天在github网站上看到一个比较好的开源框架。使用也是非常简单，我们只需要在onRefresh()和onLoadMore() 去加载我们的数据，他就会自动加到ListView中，
省去了很多麻烦，实现效果图
/** * @file XListViewHeader.java * @create Apr 18, 2012 5:22:27 PM * @author Maxwin * @description XListView's header */package me.maxwin.view;import me.maxwin.R;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高度为0LinearLayout.LayoutParams lp = new LinearLayout.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;LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mContainer.getLayoutParams();lp.height = height;mContainer.setLayoutParams(lp);}public int getVisiableHeight() {return mContainer.getHeight();}}最后说一句：开源万岁！
完整的代码下载
http://download.csdn.net/detail/lcl15572830433/6464927