android中SwipeRefresh实现各种上拉，下拉刷新示例

<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.SwipeRefreshLayout   xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical"  android:id="@+id/swipeLayout" >  <ListView     android:id="@+id/mylist"    android:layout_width="match_parent"    android:layout_height="wrap_content"/></android.support.v4.widget.SwipeRefreshLayout>

swipeRefreshLayout = (SwipeRefreshLayout)findViewById(R.id.swipeLayout); /*加载的渐变动画*/    swipeRefreshLayout.setColorSchemeResources(R.color.swipe_color_1,        R.color.swipe_color_2,        R.color.swipe_color_3,        R.color.swipe_color_4);    swipeRefreshLayout.setSize(SwipeRefreshLayout.LARGE);;    swipeRefreshLayout.setProgressBackgroundColor(R.color.swipe_background_color);    //swipeRefreshLayout.setPadding(20, 20, 20, 20);    //swipeRefreshLayout.setProgressViewOffset(true, 100, 200);    //swipeRefreshLayout.setDistanceToTriggerSync(50);    swipeRefreshLayout.setProgressViewEndTarget(true, 100);    swipeRefreshLayout.setOnRefreshListener(new OnRefreshListener() {      @Override      public void onRefresh() {        new Thread(new Runnable() {          @Override          public void run() {            data.clear();            for(int i=0;i<20;i++){              data.add("SwipeRefreshLayout下拉刷新"+i);            }            try {              Thread.sleep(5000);            } catch (InterruptedException e) {              e.printStackTrace();            }            mHandler.sendEmptyMessage(1);          }        }).start();      }    });  //handler  private Handler mHandler = new Handler(){    @Override    public void handleMessage(Message msg) {      super.handleMessage(msg);      switch (msg.what) {      case 1:        swipeRefreshLayout.setRefreshing(false);        adapter.notifyDataSetChanged();        //swipeRefreshLayout.setEnabled(false);        break;      default:        break;      }    }  };

implements AbsListView.OnScrollListener {・・・ ・・・ /**     * 对listview添加底部的组件实现上拉     */    footerView = getLayoutInflater().inflate(R.layout.refresh_footview_layout, null);    lv.addFooterView(footerView); /**     * 设置滚动监听     */  lv.setOnScrollListener(this);  /**   * 重写滚动方法   * @param view   * @param scrollState   */  @Override  public void onScrollStateChanged(AbsListView view, int scrollState) {    if (adapter.getCount() == visibleLastIndex && scrollState == SCROLL_STATE_IDLE) {      Toast.makeText(this, "加载更多完成", Toast.LENGTH_SHORT).show();      footerView.setVisibility(View.GONE);      /*在此处加载更多数据*///      new LoadDataThread().start();    }else {      footerView.setVisibility(View.VISIBLE);//      Toast.makeText(this, "加载更多...", Toast.LENGTH_SHORT).show();    }  }

・・・AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener,    RefreshLayout.OnLoadListener {    ・・・

 //下拉监听    swipeLayout.setOnRefreshListener(this);    //上拉监听    swipeLayout.setOnLoadListener(this);     /**   * 上拉刷新   */  @Override  public void onRefresh() {    swipeLayout.postDelayed(new Runnable() {      @Override      public void run() {        // 更新数据 更新完后调用该方法结束刷新        list.clear();        for (int i = 0; i < 8; i++) {          HashMap<String, String> map = new HashMap<String, String>();          map.put("itemImage", i + "刷新");          map.put("itemText", i + "刷新");          list.add(map);        }        adapter.notifyDataSetChanged();        swipeLayout.setRefreshing(false);      }    }, 2000);  }  /**   * 加载更多   */  @Override  public void onLoad() {    swipeLayout.postDelayed(new Runnable() {      @Override      public void run() {        // 更新数据 更新完后调用该方法结束刷新        swipeLayout.setLoading(false);        for (int i = 1; i < 10; i++) {          HashMap<String, String> map = new HashMap<String, String>();          map.put("itemImage", i + "更多");          map.put("itemText", i + "更多");          list.add(map);        }        adapter.notifyDataSetChanged();      }    }, 2000);  }

/** * Created by huangshuyuan on 2017/3/9. * email:hshuuyuan@foxmail.com * version:v1.0 * <p> * 自定义view *//** * 继承自SwipeRefreshLayout,从而实现滑动到底部时上拉加载更多的功能. */public class RefreshLayout extends SwipeRefreshLayout implements    OnScrollListener {  /**   * 滑动到最下面时的上拉操作   */  private int mTouchSlop;  /**   * listview实例   */  private ListView mListView;  /**   * 上拉监听器, 到了最底部的上拉加载操作   */  private OnLoadListener mOnLoadListener;  /**   * ListView的加载中footer   */  private View mListViewFooter;  /**   * 按下时的y坐标   */  private int mYDown;  /**   * 抬起时的y坐标, 与mYDown一起用于滑动到底部时判断是上拉还是下拉   */  private int mLastY;  /**   * 是否在加载中 ( 上拉加载更多 )   */  private boolean isLoading = false;  /**   * @param context   */  public RefreshLayout(Context context) {    this(context, null);  }  @SuppressLint("InflateParams")  public RefreshLayout(Context context, AttributeSet attrs) {    super(context, attrs);    mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();    mListViewFooter = LayoutInflater.from(context).inflate(        R.layout.listview_footer, null, false);  }  @Override  protected void onLayout(boolean changed, int left, int top, int right,              int bottom) {    super.onLayout(changed, left, top, right, bottom);    // 初始化ListView对象    if (mListView == null) {      getListView();    }  }  /**   * 获取ListView对象   */  private void getListView() {    int childs = getChildCount();    if (childs > 0) {      View childView = getChildAt(0);      if (childView instanceof ListView) {        mListView = (ListView) childView;        // 设置滚动监听器给ListView, 使得滚动的情况下也可以自动加载        mListView.setOnScrollListener(this);        Log.d(VIEW_LOG_TAG, "### 找到listview");      }    }  }  /*   * (non-Javadoc)   *   * @see android.view.ViewGroup#dispatchTouchEvent(android.view.MotionEvent)   */  @Override  public boolean dispatchTouchEvent(MotionEvent event) {    final int action = event.getAction();    switch (action) {      case MotionEvent.ACTION_DOWN:        // 按下        mYDown = (int) event.getRawY();        break;      case MotionEvent.ACTION_MOVE:        // 移动        mLastY = (int) event.getRawY();        break;      case MotionEvent.ACTION_UP:        // 抬起        if (canLoad()) {          loadData();        }        break;      default:        break;    }    return super.dispatchTouchEvent(event);  }  /**   * 是否可以加载更多, 条件是到了最底部, listview不在加载中, 且为上拉操作.   *   * @return   */  private boolean canLoad() {    return isBottom() && !isLoading && isPullUp();  }  /**   * 判断是否到了最底部   */  private boolean isBottom() {    if (mListView != null && mListView.getAdapter() != null) {      return mListView.getLastVisiblePosition() == (mListView          .getAdapter().getCount() - 1);    }    return false;  }  /**   * 是否是上拉操作   *   * @return   */  private boolean isPullUp() {    return (mYDown - mLastY) >= mTouchSlop;  }  /**   * 如果到了最底部,而且是上拉操作.那么执行onLoad方法   */  private void loadData() {    if (mOnLoadListener != null) {      // 设置状态      setLoading(true);      //      mOnLoadListener.onLoad();    }  }  /**   * @param loading   */  public void setLoading(boolean loading) {    isLoading = loading;    if (isLoading) {      mListView.addFooterView(mListViewFooter);    } else {      mListView.removeFooterView(mListViewFooter);      mYDown = 0;      mLastY = 0;    }  }  /**   * @param loadListener   */  public void setOnLoadListener(OnLoadListener loadListener) {    mOnLoadListener = loadListener;  }  @Override  public void onScrollStateChanged(AbsListView view, int scrollState) {  }  @Override  public void onScroll(AbsListView view, int firstVisibleItem,             int visibleItemCount, int totalItemCount) {    // 滚动时到了最底部也可以加载更多    if (canLoad()) {      loadData();    }  }  /**   * 设置刷新   */  public static void setRefreshing(SwipeRefreshLayout refreshLayout,                   boolean refreshing, boolean notify) {    Class<? extends SwipeRefreshLayout> refreshLayoutClass = refreshLayout        .getClass();    if (refreshLayoutClass != null) {      try {        Method setRefreshing = refreshLayoutClass.getDeclaredMethod(            "setRefreshing", boolean.class, boolean.class);        setRefreshing.setAccessible(true);        setRefreshing.invoke(refreshLayout, refreshing, notify);      } catch (NoSuchMethodException e) {        e.printStackTrace();      } catch (IllegalAccessException e) {        e.printStackTrace();      } catch (InvocationTargetException e) {        e.printStackTrace();      }    }  }  /**   * 加载更多的监听器   */  public static interface OnLoadListener {    public void onLoad();  }}

public class VpSwipeRefreshLayout extends SwipeRefreshLayout {private float startY;private float startX;// 记录viewPager是否拖拽的标记private boolean mIsVpDragger;private final int mTouchSlop;public VpSwipeRefreshLayout(Context context, AttributeSet attrs) {super(context, attrs);mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();}@Overridepublic boolean onInterceptTouchEvent(MotionEvent ev) {int action = ev.getAction();switch (action) {case MotionEvent.ACTION_DOWN:// 记录手指按下的位置startY = ev.getY();startX = ev.getX();// 初始化标记mIsVpDragger = false;break;case MotionEvent.ACTION_MOVE:// 如果viewpager正在拖拽中，那么不拦截它的事件，直接return false；if(mIsVpDragger) {return false;}// 获取当前手指位置float endY = ev.getY();float endX = ev.getX();float distanceX = Math.abs(endX - startX);float distanceY = Math.abs(endY - startY);// 如果X轴位移大于Y轴位移，那么将事件交给viewPager处理。if(distanceX > mTouchSlop && distanceX > distanceY) {mIsVpDragger = true;return false;}break;case MotionEvent.ACTION_UP:case MotionEvent.ACTION_CANCEL:// 初始化标记mIsVpDragger = false;break;}// 如果是Y轴位移大于X轴，事件交给swipeRefreshLayout处理。return super.onInterceptTouchEvent(ev);}}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:id="@+id/activity_recycle_view_refresh"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical"  tools:context="com.hsy.refresh.ui.RecycleViewRefreshActivity">  <include    layout="@layout/common_top_bar_layout"    android:visibility="gone" />  <android.support.v4.widget.SwipeRefreshLayout    android:id="@+id/demo_swiperefreshlayout"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:scrollbars="vertical">    <android.support.v7.widget.RecyclerView      android:id="@+id/demo_recycler"      android:layout_width="fill_parent"      android:layout_height="fill_parent">    </android.support.v7.widget.RecyclerView>  </android.support.v4.widget.SwipeRefreshLayout></LinearLayout>

 @Override  protected void onCreate(Bundle savedInstanceState) {    //去除系统标题    this.requestWindowFeature(Window.FEATURE_NO_TITLE);    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_recycle_view_refresh);    ButterKnife.bind(this);    initView();  }  /*RecyclerView 管理器*/  private LinearLayoutManager linearLayoutManager;  MyRecyclerViewAdapter adapter;  private int lastVisibleItem;//记录滚动位置  /**   * 初始化组件   */  private void initView() {        topBarTitle.setText("RecyclerView 刷新");    //设置刷新时动画的颜色，可以设置4个    swiperefreshLayout.setProgressBackgroundColorSchemeResource(android.R.color.white);    swiperefreshLayout.setColorSchemeResources(android.R.color.holo_blue_light,        android.R.color.holo_red_light, android.R.color.holo_orange_light,        android.R.color.holo_green_light);    // 这句话是为了，第一次进入页面的时候显示加载进度条    swiperefreshLayout.setProgressViewOffset(false, 0, (int) TypedValue        .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 24, getResources()            .getDisplayMetrics()));    //设置竖直方向    linearLayoutManager = new LinearLayoutManager(this);    linearLayoutManager.setOrientation(OrientationHelper.VERTICAL);    //设置管理器    recylerview.setLayoutManager(linearLayoutManager);    //添加分隔线    recylerview.addItemDecoration(new AdvanceDecoration(this, OrientationHelper.VERTICAL));    recylerview.setAdapter(adapter = new MyRecyclerViewAdapter(this));    /*实现下拉*/    swiperefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {      @Override      public void onRefresh() {        new Handler().postDelayed(new Runnable() {          @Override          public void run() {            List<String> newDatas = new ArrayList<String>();            for (int i = 0; i < 5; i++) {              int index = i + 1;              newDatas.add("new item" + index);            }            adapter.addItem(newDatas);/*添加数据*/            swiperefreshLayout.setRefreshing(false);            Toast.makeText(RecycleViewRefreshActivity.this, "更新了五条数据...", Toast.LENGTH_SHORT).show();          }        }, 3000);      }    });    /**     * 添加滚动监听，实现上拉刷新     */    recylerview.setOnScrollListener(new RecyclerView.OnScrollListener() {      @Override      public void onScrollStateChanged(RecyclerView recyclerView, int newState) {        super.onScrollStateChanged(recyclerView, newState);        //当滚动到底部时刷新数据        if (newState == RecyclerView.SCROLL_STATE_IDLE && lastVisibleItem + 1 == adapter.getItemCount()) {          new Handler().postDelayed(new Runnable() {            @Override            public void run() {              List<String> newDatas = new ArrayList<String>();              for (int i = 0; i < 5; i++) {                int index = i + 1;                newDatas.add("more item" + index);              }              adapter.addMoreItem(newDatas);              swiperefreshLayout.setRefreshing(false);            }          }, 1000);        }      }      @Override      public void onScrolled(RecyclerView recyclerView, int dx, int dy) {        super.onScrolled(recyclerView, dx, dy);        //获取滚动的最后位置        lastVisibleItem = linearLayoutManager.findLastVisibleItemPosition();      }    });  }

/**   * RecyclerView的适配器   */  class MyRecyclerViewAdapter extends RecyclerView.Adapter<MyRecyclerViewAdapter.ViewHolder> {//自定义viewHoder    List<String> datas;    Context context;    /*加载更多*/    private static final int TYPE_ITEM = 0;    private static final int TYPE_FOOTER = 1;    public MyRecyclerViewAdapter(Context context) {      this.context = context;      /*初始化数据*/      this.datas = new ArrayList<String>();      for (int i = 0; i < 20; i++) {        int index = i + 1;        datas.add("item" + index);      }      /*addItem(datas);*/    }    //自定义的ViewHolder，持有每个Item的的所有界面元素    public class ViewHolder extends RecyclerView.ViewHolder {      public ViewHolder(View view) {        super(view);      }    }    //自定义的ViewHolder，持有每个Item的的所有界面元素    public class ItemViewHolder extends ViewHolder {      public TextView item_tv;      public ItemViewHolder(View view) {        super(view);        item_tv = (TextView) view.findViewById(R.id.text);      }    }    /**     * 底部view     */    class FooterViewHolder extends ViewHolder {      public FooterViewHolder(View view) {        super(view);      }    }    /**     * 绑定布局文件     *     * @param parent     * @param viewType     * @return     */    @Override    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {      if (viewType == TYPE_FOOTER) {        final View view = LayoutInflater.from(context).inflate(R.layout.refresh_footview_layout, parent, false);//        view.setLayoutParams(new RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT,//            RecyclerView.LayoutParams.WRAP_CONTENT));        FooterViewHolder viewHolder = new FooterViewHolder(view);        return viewHolder;      } else if (viewType == TYPE_ITEM) {        final View view = LayoutInflater.from(context).inflate(R.layout.item_recycler_layout, parent, false);        //这边可以做一些属性设置，甚至事件监听绑定        //view.setBackgroundColor(Color.RED);        ItemViewHolder viewHolder = new ItemViewHolder(view);        return viewHolder;      }      return null;    }    @Override    public void onBindViewHolder(ViewHolder holder, int position) {      if (holder instanceof ItemViewHolder) {        //设置数据        ((ItemViewHolder) holder).item_tv.setText(datas.get(position));        ((ItemViewHolder) holder).item_tv.setTag(position);      }    }    /*返回每一项的类型*/    @Override    public int getItemViewType(int position) {      // 最后一个item设置为footerView      if (position + 1 == getItemCount()) {        return TYPE_FOOTER;      } else {        return TYPE_ITEM;      }    }    // RecyclerView的count设置为数据总条数+ 1（footerView）    @Override    public int getItemCount() {      return datas.size() + 1;    }    //添加数据    public void addItem(List<String> newDatas) {      //mTitles.add(position, data);      //notifyItemInserted(position);      newDatas.addAll(datas);      datas.removeAll(datas);      datas.addAll(newDatas);      notifyDataSetChanged();    }    /**     * 添加更多数据     *     * @param newDatas     */    public void addMoreItem(List<String> newDatas) {      datas.addAll(newDatas);      adapter.notifyDataSetChanged();    }  }

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:gravity="center_horizontal">  <ProgressBar    android:id="@+id/progressBar"    style="?android:attr/progressBarStyleSmall"    android:layout_width="wrap_content"    android:layout_height="wrap_content" />  <TextView    android:id="@+id/textView2"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="@string/refresh_text" /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="wrap_content">  <TextView    android:id="@+id/text"    android:layout_width="match_parent"    android:layout_height="match_parent" /></LinearLayout>