最近项目需要用到可以滑动删除并且带有上拉加载下拉刷新的Listview,查阅了一些资料,大多都是在SwipeMenuListView的基础上去添加头部和底部View,来扩展上拉
最近项目需要用到可以滑动删除并且带有上拉加载下拉刷新的Listview,查阅了一些资料,大多都是在SwipeMenuListView的基础上去添加头部和底部View,来扩展上拉加载和下拉刷新的功能,不过需要手动的去绘制UI及处理一些动画效果.用起来也不是特别方便.刚好项目中用到PulltorefreshLibrary库,就尝试着扩展了一个PullToRefreshSwipeMenuListView类来实现需求.先看一下效果:
实现步骤
一、组合Pulltorefresh与SwipeMenuListView
PulltorefreshLibrary库中包含很多种可以上拉加载下拉刷新的控件,经常用到的比如PullToRefreshListView,PullToRefreshGridView,PullToRefreshScrollView,它们的实现方式类似,本质上是在控件外部添加父布局,父布局中去添加控件的头部和底部View,来实现上拉加载下拉刷新的功能,所以扩展性很强.照猫画虎,copy一份PullToRefreshListView,对他做一些处理.
protected ListView createListView(Context context, AttributeSet attrs) {
final ListView lv;
if (VERSioN.SDK_INT >= VERSION_CODES.GINGERBREAD) {
lv = new InternalListViewSDK9(context, attrs);
} else {
lv = new InternalListView(context, attrs);
}
return lv;
}
找到这部分代码,简单的做下修改:
protected SwipeMenuListView createListView(Context context, AttributeSet attrs) {
final SwipeMenuListView lv;
lv = new SwipeMenuListView(context, attrs);
return lv;
}
为什么要copy一份PullToRefreshListView而不是其他的呢?因为SwipeMenuListView是继承自ListView的(看名字就可以发现),修改起来比较方便.为什么要修改这部分代码呢?往下看.找一下引用这部分代码的地方:
@Override
protected ListView createRefreshableView(Context context, AttributeSet attrs) {
ListView lv = createListView(context, attrs);
// Set it to this so it can be used in ListActivity/ListFragment
lv.setId(Android.R.id.list);
return lv;
}
是继承父类实现的方法,打开父类的该方法:
protected abstract T createRefreshableView(Context context, AttributeSet attrs);
看一下注释,大概的意思是说,如果需要一个自定义的上拉加载下拉刷新View,可以返回该自定义View.并且返回值是T,一个泛型,说的很明白.看一下这个方法的引用mRefreshableView = createRefreshableView(context, attrs);看命名就知道,这个方法最终返回的是需要上拉加载下拉刷新功能的View.
感觉差不多可以了,来试一下,看一下效果:
好像效果不是很理想,有很多问题,比如滑动删除的时候可以上拉下拉,上拉时没有底部View.接下来来解决这些问题.
二、解决滑动冲突及相关问题
先来解决为什么没有底部View的问题,看一下copy过来修改过的PullToRefreshSwipeMenuListView类和PullToRefreshListView类,对比一下到底有什么区别,使得PullToRefreshSwipeMenuListView没有底部View,在PullToRefreshSwipeMenuListView中只修改了一个部分,就是把之前返回的InternalListView替换成了SwipeMenuListView,显然问题出现在InternalListView上,查看一下InternalListView(很容易找,是个内部类),可以看到这部分代码:
@Override
public void setAdapter(ListAdapter adapter) {
// Add the Footer View at the last possible moment
if (null != mLvFooterLoadingFrame && !mAddedLvFooter) {
addFooterView(mLvFooterLoadingFrame, null, false);
mAddedLvFooter = true;
}
super.setAdapter(adapter);
}
底部View是在InternalListView调用setAdapter方法时添加上的,那头部View呢?查找一下,找到如下代码:
@Override
protected void handleStyledAttributes(TypedArray a) {
super.handleStyledAttributes(a);
mListViewExtrasEnabled = a.getBoolean(com.handmark.pulltorefresh.library.R.styleable.PullToRefresh_ptrListViewExtrasEnabled, true);
if (mListViewExtrasEnabled) {
final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL);
// Create Loading Views ready for use later
FrameLayout frame = new FrameLayout(getContext());
mHeaderLoadingView = createLoadingLayout(getContext(), Mode.PULL_FROM_START, a);
mHeaderLoadingView.setVisibility(View.GoNE);
// FrameLayout添加头View
frame.addView(mHeaderLoadingView, lp);
// 添加头部View
mRefreshableView.addHeaderView(frame, null, false);
mLvFooterLoadingFrame = new FrameLayout(getContext());
mFooterLoadingView = createLoadingLayout(getContext(), Mode.PULL_FROM_END, a);
mFooterLoadingView.setVisibility(View.GONE);
// FrameLayout添加底部View
mLvFooterLoadingFrame.addView(mFooterLoadingView, lp);
// 添加底部View
...
if (!a.hasValue(com.handmark.pulltorefresh.library.R.styleable.PullToRefresh_ptrScrollingWhileRefreshingEnabled)) {
setScrollingWhileRefreshingEnabled(true);
}
}
}
发现头部是在初始化的时候被添加上,而底部并没有添加(代码中…的部分),InternalListView在setAdapter方法中,添加上了底部,SwipeMenuListView中并没有相关的处理,所以在…处添加代码
mRefreshableView.addFooterView(mLvFooterLoadingFrame, null, false);把底部加上,之前发现的没有底部的问题就解决了(当然也可以仿照InternalListView去修改一下SwipeMenuListView,不过比较麻烦,这里就不去做了)
接下来处理一下滑动删除时,可以进行上拉下拉操作的问题,很明显是滑动冲突的问题,想一下,当滑动删除时,不希望进行上拉下拉操作,而PullToRefreshSwipeMenuListView本身是一个ViewGroup,所以当滑动删除时,屏蔽掉父布局的滑动事件就可以了,打开SwipeMenuListView,在滑动事件中做一下处理即可:
case MotionEvent.ACTION_MOVE:
float dy = Math.abs((ev.getY() - mDownY));
float dx = Math.abs((ev.getX() - mDownX));
if (mTouchState == TOUCH_STATE_X) {
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
getSelector().setState(new int[]{0});
ev.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(ev);
// 处理滑动冲突,当处于滑动删除状态时,请求父布局不处理滑动事件
requestDisallowInterceptTouchEvent(true);
return true;
} else if (mTouchState == TOUCH_STATE_NONE) {
if (Math.abs(dy) > MAX_Y) {
mTouchState = TOUCH_STATE_Y;
} else if (dx > MAX_X) {
mTouchState = TOUCH_STATE_X;
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeStart(mTouchPosition);
}
}
}
break;
很简单,就不多做说明了,不太清楚点击事件分发的童鞋,可以去查阅一下材料,这样一个带有上拉加载下拉刷新可滑动删除的ListView就基本完工了.
三、完整代码
PullToRefreshSwipeMenuListView:
package swipemenulistview;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import com.handmark.pulltorefresh.library.LoadingLayoutProxy;
import com.handmark.pulltorefresh.library.PullToRefreshAdapterViewBase;
import com.handmark.pulltorefresh.library.internal.LoadingLayout;
public class PullToRefreshSwipeMenuListView extends PullToRefreshAdapterViewBase<ListView> {
private LoadingLayout mHeaderLoadingView;
private LoadingLayout mFooterLoadingView;
private FrameLayout mLvFooterLoadingFrame;
private boolean mListViewExtrasEnabled;
public PullToRefreshSwipeMenuListView(Context context) {
super(context);
}
public PullToRefreshSwipeMenuListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public PullToRefreshSwipeMenuListView(Context context, Mode mode) {
super(context, mode);
}
public PullToRefreshSwipeMenuListView(Context context, Mode mode, AnimationStyle style) {
super(context, mode, style);
}
@Override
public final Orientation getPullToRefreshScrollDirection() {
return Orientation.VERTICAL;
}
@Override
protected void onRefreshing(final boolean doScroll) {
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideallViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our nORMal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onReset() {
if (!mListViewExtrasEnabled) {
super.onReset();
return;
}
final LoadingLayout originalLoadingLayout, listViewLoadingLayout;
final int scrollToHeight, selection;
final boolean scrollLvToEdge;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
originalLoadingLayout = getFooterLayout();
listViewLoadingLayout = mFooterLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToHeight = getFooterSize();
scrollLvToEdge = Math.abs(mRefreshableView.getLastVisiblePosition() - selection) <= 1;
break;
case PULL_FROM_START:
default:
originalLoadingLayout = getHeaderLayout();
listViewLoadingLayout = mHeaderLoadingView;
scrollToHeight = -getHeaderSize();
selection = 0;
scrollLvToEdge = Math.abs(mRefreshableView.getFirstVisiblePosition() - selection) <= 1;
break;
}
// If the ListView header loading layout is showing, then we need to
// flip so that the original one is showing instead
if (listViewLoadingLayout.getVisibility() == View.VISIBLE) {
// Set our Original View to Visible
originalLoadingLayout.showInvisibleViews();
// Hide the ListView Header/Footer
listViewLoadingLayout.setVisibility(View.GONE);
if (scrollLvToEdge && getState() != State.MANUAL_REFRESHING) {
mRefreshableView.setSelection(selection);
setHeaderScroll(scrollToHeight);
}
}
// Finally, call up to super
super.onReset();
}
@Override
protected LoadingLayoutProxy createLoadingLayoutProxy(final boolean includeStart, final boolean includeEnd) {
LoadingLayoutProxy proxy = super.createLoadingLayoutProxy(includeStart, includeEnd);
if (mListViewExtrasEnabled) {
final Mode mode = getMode();
if (includeStart && mode.showHeaderLoadingLayout()) {
proxy.addLayout(mHeaderLoadingView);
}
if (includeEnd && mode.showFooterLoadingLayout()) {
proxy.addLayout(mFooterLoadingView);
}
}
return proxy;
}
protected SwipeMenuListView createListView(Context context, AttributeSet attrs) {
final SwipeMenuListView lv;
// if (VERSION.SDK_INT >= VERSION_CODES.GINGERBREAD) {
// lv = new InternalListViewSDK9(context, attrs);
// } else {
// lv = new InternalListView(context, attrs);
// }
lv = new SwipeMenuListView(context, attrs);
return lv;
}
@Override
protected ListView createRefreshableView(Context context, AttributeSet attrs) {
ListView lv = createListView(context, attrs);
// Set it to this so it can be used in ListActivity/ListFragment
lv.setId(android.R.id.list);
return lv;
}
@Override
protected void handleStyledAttributes(TypedArray a) {
super.handleStyledAttributes(a);
mListViewExtrasEnabled = a.getBoolean(com.handmark.pulltorefresh.library.R.styleable.PullToRefresh_ptrListViewExtrasEnabled, true);
if (mListViewExtrasEnabled) {
final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL);
// Create Loading Views ready for use later
FrameLayout frame = new FrameLayout(getContext());
mHeaderLoadingView = createLoadingLayout(getContext(), Mode.PULL_FROM_START, a);
mHeaderLoadingView.setVisibility(View.GONE);
frame.addView(mHeaderLoadingView, lp);
mRefreshableView.addHeaderView(frame, null, false);
mLvFooterLoadingFrame = new FrameLayout(getContext());
mFooterLoadingView = createLoadingLayout(getContext(), Mode.PULL_FROM_END, a);
mFooterLoadingView.setVisibility(View.GONE);
mLvFooterLoadingFrame.addView(mFooterLoadingView, lp);
// 添加底部加载view
mRefreshableView.addFooterView(mLvFooterLoadingFrame, null, false);
if (!a.hasValue(com.handmark.pulltorefresh.library.R.styleable.PullToRefresh_ptrScrollingWhileRefreshingEnabled)) {
setScrollingWhileRefreshingEnabled(true);
}
}
}
}
SwipeMenuListView:
package swipemenulistview;
import android.content.Context;
import android.support.v4.view.MotionEventCompat;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Interpolator;
import android.widget.ListAdapter;
import android.widget.ListView;
public class SwipeMenuListView extends ListView {
private static final int TOUCH_STATE_NONE = 0;
private static final int TOUCH_STATE_X = 1;
private static final int TOUCH_STATE_Y = 2;
public static final int DIRECTION_LEFT = 1;
public static final int DIRECTION_RIGHT = -1;
private int mDirection = 1;//swipe from right to left by default
private int MAX_Y = 5;
private int MAX_X = 3;
private float mDownX;
private float mDownY;
private int mTouchState;
private int mTouchPosition;
private SwipeMenuLayout mTouchView;
private OnSwipeListener mOnSwipeListener;
private SwipeMenuCreator mMenuCreator;
private OnMenuItemClickListener mOnMenuItemClickListener;
private Interpolator mCloseInterpolator;
private Interpolator mOpenInterpolator;
public SwipeMenuListView(Context context) {
super(context);
init();
}
public SwipeMenuListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public SwipeMenuListView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
MAX_X = dp2px(MAX_X);
MAX_Y = dp2px(MAX_Y);
mTouchState = TOUCH_STATE_NONE;
}
@Override
public void setAdapter(ListAdapter adapter) {
super.setAdapter(new SwipeMenuAdapter(getContext(), adapter) {
@Override
public void createMenu(SwipeMenu menu) {
if (mMenuCreator != null) {
mMenuCreator.create(menu);
}
}
@Override
public void onItemClick(SwipeMenuView view, SwipeMenu menu,
int index) {
boolean flag = false;
if (mOnMenuItemClickListener != null) {
flag = mOnMenuItemClickListener.onMenuItemClick(
view.getPosition(), menu, index);
}
if (mTouchView != null && !flag) {
mTouchView.smoothCloseMenu();
}
}
});
}
public void setCloseInterpolator(Interpolator interpolator) {
mCloseInterpolator = interpolator;
}
public void setOpenInterpolator(Interpolator interpolator) {
mOpenInterpolator = interpolator;
}
public Interpolator getOpenInterpolator() {
return mOpenInterpolator;
}
public Interpolator getCloseInterpolator() {
return mCloseInterpolator;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
return super.onInterceptTouchEvent(ev);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (ev.getAction() != MotionEvent.ACTION_DOWN && mTouchView == null)
return super.onTouchEvent(ev);
int action = MotionEventCompat.getActionMasked(ev);
action = ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
int oldPos = mTouchPosition;
mDownX = ev.getX();
mDownY = ev.getY();
mTouchState = TOUCH_STATE_NONE;
mTouchPosition = pointToPosition((int) ev.getX(), (int) ev.getY());
if (mTouchPosition == oldPos && mTouchView != null
&& mTouchView.isOpen()) {
mTouchState = TOUCH_STATE_X;
mTouchView.onSwipe(ev);
return true;
}
View view = getChildAt(mTouchPosition - getFirstVisiblePosition());
if (mTouchView != null && mTouchView.isOpen()) {
mTouchView.smoothCloseMenu();
mTouchView = null;
// return super.onTouchEvent(ev);
// try to cancel the touch event
MotionEvent cancelEvent = MotionEvent.obtain(ev);
cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
onTouchEvent(cancelEvent);
return true;
}
if (view instanceof SwipeMenuLayout) {
mTouchView = (SwipeMenuLayout) view;
mTouchView.setSwipeDirection(mDirection);
}
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
break;
case MotionEvent.ACTION_MOVE:
float dy = Math.abs((ev.getY() - mDownY));
float dx = Math.abs((ev.getX() - mDownX));
if (mTouchState == TOUCH_STATE_X) {
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
getSelector().setState(new int[]{0});
ev.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(ev);
// 处理滑动冲突,当处于滑动删除状态时,请求父布局不处理滑动事件
requestDisallowInterceptTouchEvent(true);
return true;
} else if (mTouchState == TOUCH_STATE_NONE) {
if (Math.abs(dy) > MAX_Y) {
mTouchState = TOUCH_STATE_Y;
} else if (dx > MAX_X) {
mTouchState = TOUCH_STATE_X;
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeStart(mTouchPosition);
}
}
}
break;
case MotionEvent.ACTION_UP:
requestDisallowInterceptTouchEvent(false);
if (mTouchState == TOUCH_STATE_X) {
if (mTouchView != null) {
mTouchView.onSwipe(ev);
if (!mTouchView.isOpen()) {
mTouchPosition = -1;
mTouchView = null;
}
}
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeEnd(mTouchPosition);
}
ev.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(ev);
return true;
}
break;
}
return super.onTouchEvent(ev);
}
public void smoothOpenMenu(int position) {
if (position >= getFirstVisiblePosition()
&& position <= getLastVisiblePosition()) {
View view = getChildAt(position - getFirstVisiblePosition());
if (view instanceof SwipeMenuLayout) {
mTouchPosition = position;
if (mTouchView != null && mTouchView.isOpen()) {
mTouchView.smoothCloseMenu();
}
mTouchView = (SwipeMenuLayout) view;
mTouchView.setSwipeDirection(mDirection);
mTouchView.smoothOpenMenu();
}
}
}
private int dp2px(int dp) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
getContext().getResources().getDisplayMetrics());
}
public void setMenuCreator(SwipeMenuCreator menuCreator) {
this.mMenuCreator = menuCreator;
}
public void setOnMenuItemClickListener(
OnMenuItemClickListener onMenuItemClickListener) {
this.mOnMenuItemClickListener = onMenuItemClickListener;
}
public void setOnSwipeListener(OnSwipeListener onSwipeListener) {
this.mOnSwipeListener = onSwipeListener;
}
public static interface OnMenuItemClickListener {
boolean onMenuItemClick(int position, SwipeMenu menu, int index);
}
public static interface OnSwipeListener {
void onSwipeStart(int position);
void onSwipeEnd(int position);
}
public void setSwipeDirection(int direction) {
mDirection = direction;
}
}
MainActivity:
package com.example.junweiliu.pulltorefreshswipemenulistviewdemo;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.util.TypedValue;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import com.handmark.pulltorefresh.library.PullToRefresHBase;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import swipemenulistview.PullToRefreshSwipeMenuListView;
import swipemenulistview.SwipeMenu;
import swipemenulistview.SwipeMenuCreator;
import swipemenulistview.SwipeMenuItem;
import swipemenulistview.SwipeMenuListView;
public class MainActivity extends AppCompatActivity {
private PullToRefreshSwipeMenuListView mPullToRefreshSwipeMenuListView;
private SimpleAdapter mAdapter;
List<Map<String, Object>> datas = new ArrayList<Map<String, Object>>();
private String[] message = {"数据0", "数据1", "数据2", "数据3", "数据4", "数据5", "数据6", "数据7", "数据8", "数据9", "数据10"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initData();
initView();
}
private void initView() {
mPullToRefreshSwipeMenuListView = (PullToRefreshSwipeMenuListView) findViewById(R.id.psl_demo);
mAdapter = new SimpleAdapter(this, datas, R.layout.item_adapter, new String[]{"message"}, new int[]{R.id.tv_message});
mPullToRefreshSwipeMenuListView.setMode(PullToRefreshBase.Mode.BOTH);
mPullToRefreshSwipeMenuListView.setAdapter(mAdapter);
// 创建删除滑块
SwipeMenuCreator creator = new SwipeMenuCreator() {
@Override
public void create(SwipeMenu menu) {
SwipeMenuItem deleteItem = new SwipeMenuItem(
getApplicationContext());
deleteItem.setBackground(new ColorDrawable(Color.rgb(0xFF,
0x20, 0x20)));
deleteItem.setWidth(dp2px(63));
// deleteItem.setIcon(R.drawable.ic_delete);
deleteItem.setTitle("删除");
deleteItem.setTitleSize(14);
deleteItem.setTitleColor(Color.WHITE);
menu.addMenuItem(deleteItem);
}
};
// 设置滑块
((SwipeMenuListView) mPullToRefreshSwipeMenuListView.getRefreshableView()).setMenuCreator(creator);
// 滑块点击事件
((SwipeMenuListView) mPullToRefreshSwipeMenuListView.getRefreshableView()).setOnMenuItemClickListener(new SwipeMenuListView.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(int position, SwipeMenu menu, int index) {
switch (index) {
case 0:
Toast.makeText(MainActivity.this, "删除我了" + position, Toast.LENGTH_SHORT).show();
break;
}
return false;
}
});
// 滑动监听
((SwipeMenuListView) mPullToRefreshSwipeMenuListView.getRefreshableView()).setOnSwipeListener(new SwipeMenuListView.OnSwipeListener() {
@Override
public void onSwipeStart(int position) {
}
@Override
public void onSwipeEnd(int position) {
}
});
// 刷新加载事件
mPullToRefreshSwipeMenuListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message message) {
Toast.makeText(MainActivity.this, "刷新成功", Toast.LENGTH_SHORT).show();
mPullToRefreshSwipeMenuListView.onRefreshComplete();
return false;
}
}).sendEmptyMessageDelayed(1, 1000);
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message message) {
Toast.makeText(MainActivity.this, "加载成功", Toast.LENGTH_SHORT).show();
mPullToRefreshSwipeMenuListView.onRefreshComplete();
return false;
}
}).sendEmptyMessageDelayed(2, 1000);
}
});
// 点击事件
mPullToRefreshSwipeMenuListView.getRefreshableView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
}
});
}
private void initData() {
for (int i = 0; i < message.length; i++) {
Map<String, Object> data = new HashMap<String, Object>();
data.put("message", message[i]);
datas.add(data);
}
}
private int dp2px(int dp) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
getResources().getDisplayMetrics());
}
}
activity_main:
<?xml version="1.0" encoding="utf-8"?>
<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"
tools:context="com.example.junweiliu.pulltorefreshswipemenulistviewdemo.MainActivity">
<!--上拉加载下拉刷新滑动删除控件-->
<swipemenulistview.PullToRefreshSwipeMenuListView
android:id="@+id/psl_demo"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
</swipemenulistview.PullToRefreshSwipeMenuListView>
</RelativeLayout>
item_adapter:
<?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="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="@+id/tv_message"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:paddingBottom="30dp"
android:paddingTop="30dp"
android:text="数据"
android:textColor="@android:color/black"
android:textSize="16sp"/>
</LinearLayout>
本文已经被整理到《Android下拉刷新上拉加载效果》,欢迎大家学习研究。
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--结束END--
本文标题: Android ListView实现上拉加载下拉刷新和滑动删除功能
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