现在侧滑菜单使用很多，大都是通过SlidingMenu实现。现在也可以通过DrawerLayout
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创建抽屉布局
frament_content.xml
[html] view plaincopy
?xml version="1.0" encoding="utf-8"?
LinearLayout xmlns:android=""
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
TextView
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="25sp" /
/LinearLayout
activity_main.xml
[html] view plaincopy
android.support.v4.widget.DrawerLayout xmlns:android=""
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
!-- The main content view --
FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"
/FrameLayout
!-- The navigation view --
ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#ffffcc"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
/ListView
/android.support.v4.widget.DrawerLayout
然后新建一个类继承Fragment类
[java] view plaincopy
/**
* ContentFragment.java
* 版权所有(C) 2015
* 创建者:cuiran 2015-1-3 下午3:25:44
*/
package com.cayden.drawerlayoutdemo;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* TODO
* @author cuiran
* @version 1.0.0
*/
public class ContentFragment extends Fragment {
private TextView textView;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_content, container, false);
textView = (TextView) view.findViewById(R.id.textView);
String text = getArguments().getString("text");
textView.setText(text);
return view;
}
}
完成Activity代码
[java] view plaincopy
package com.cayden.drawerlayoutdemo;
import java.util.ArrayList;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Intent;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class MainActivity extends Activity implements OnItemClickListener {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ArrayListString menuLists;
private ArrayAdapterString adapter;
private ActionBarDrawerToggle mDrawerToggle;
private String mTitle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = (String) getTitle();
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
menuLists = new ArrayListString();
for (int i = 0; i 5; i++)
menuLists.add("菜单0" + i);
adapter = new ArrayAdapterString(this,
android.R.layout.simple_list_item_1, menuLists);
mDrawerList.setAdapter(adapter);
mDrawerList.setOnItemClickListener(this);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, R.string.drawer_open,
R.string.drawer_close) {
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
getActionBar().setTitle("请选择");
invalidateOptionsMenu(); // Call onPrepareOptionsMenu()
}
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
getActionBar().setTitle(mTitle);
invalidateOptionsMenu();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
//开启ActionBar上APP ICON的功能
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
boolean isDrawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_websearch).setVisible(!isDrawerOpen);
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
//将ActionBar上的图标与Drawer结合起来
if (mDrawerToggle.onOptionsItemSelected(item)){
return true;
}
switch (item.getItemId()) {
case R.id.action_websearch:
Intent intent = new Intent();
intent.setAction("android.intent.action.VIEW");
Uri uri = Uri.parse("");
intent.setData(uri);
startActivity(intent);
break;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
//需要将ActionDrawerToggle与DrawerLayout的状态同步
//将ActionBarDrawerToggle中的drawer图标，设置为ActionBar中的Home-Button的Icon
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
mDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
public void onItemClick(AdapterView? arg0, View arg1, int position,
long arg3) {
// 动态插入一个Fragment到FrameLayout当中
Fragment contentFragment = new ContentFragment();
Bundle args = new Bundle();
args.putString("text", menuLists.get(position));
contentFragment.setArguments(args);
FragmentManager fm = getFragmentManager();
fm.beginTransaction().replace(R.id.content_frame, contentFragment)
.commit();
mDrawerLayout.closeDrawer(mDrawerList);
}
}
不是原生Activity没关系 只要继承Activity就没问题，监听滑动事件就行了
既然是侧滑，无非就是在巴掌大的屏幕，塞入大概两巴掌大的布局，需要滑动可以出现另一个，既然这样，大家为啥不考虑使用Android提供的HorizontalScrollView呢~
如果使用HorizontalScrollView，还需要在ACTION_DOWN , ACTION_MOVE里面去监听，判断，不断改变控件位置了么? NO！！！HorizontalScrollView本身就带了滑动的功能~~
据需求需要自己自定义一个ListView来实现该功能，接下来先贴出代码再讲解具体的实现
package com.example.slidecutlistview;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.VelocityTracker;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Scroller;
/**
* @blog
*
* @author xiaanming
*
*/
public class SlideCutListView extends ListView {
/**
* 当前滑动的ListView position
*/
private int slidePosition;
/**
* 手指按下X的坐标
*/
private int downY;
/**
* 手指按下Y的坐标
*/
private int downX;
/**
* 屏幕宽度
*/
private int screenWidth;
/**
* ListView的item
*/
private View itemView;
/**
* 滑动类
*/
private Scroller scroller;
private static final int SNAP_VELOCITY = 600;
/**
* 速度追踪对象
*/
private VelocityTracker velocityTracker;
/**
* 是否响应滑动，默认为不响应
*/
private boolean isSlide = false;
/**
* 认为是用户滑动的最小距离
*/
private int mTouchSlop;
/**
* 移除item后的回调接口
*/
private RemoveListener mRemoveListener;
/**
* 用来指示item滑出屏幕的方向,向左或者向右,用一个枚举值来标记
*/
private RemoveDirection removeDirection;
// 滑动删除方向的枚举值
public enum RemoveDirection {
RIGHT, LEFT;
}
public SlideCutListView(Context context) {
this(context, null);
}
public SlideCutListView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SlideCutListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
screenWidth = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getWidth();
scroller = new Scroller(context);
mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
}
/**
* 设置滑动删除的回调接口
* @param removeListener
*/
public void setRemoveListener(RemoveListener removeListener) {
this.mRemoveListener = removeListener;
}
/**
* 分发事件，主要做的是判断点击的是那个item, 以及通过postDelayed来设置响应左右滑动事件
*/
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
addVelocityTracker(event);
// 假如scroller滚动还没有结束，我们直接返回
if (!scroller.isFinished()) {
return super.dispatchTouchEvent(event);
}
downX = (int) event.getX();
downY = (int) event.getY();
slidePosition = pointToPosition(downX, downY);
// 无效的position, 不做任何处理
if (slidePosition == AdapterView.INVALID_POSITION) {
return super.dispatchTouchEvent(event);
}
// 获取我们点击的item view
itemView = getChildAt(slidePosition - getFirstVisiblePosition());
break;
}
case MotionEvent.ACTION_MOVE: {
if (Math.abs(getScrollVelocity()) SNAP_VELOCITY
|| (Math.abs(event.getX() - downX) mTouchSlop Math
.abs(event.getY() - downY) mTouchSlop)) {
isSlide = true;
}
break;
}
case MotionEvent.ACTION_UP:
recycleVelocityTracker();
break;
}
return super.dispatchTouchEvent(event);
}
/**
* 往右滑动，getScrollX()返回的是左边缘的距离，就是以View左边缘为原点到开始滑动的距离，所以向右边滑动为负值
*/
private void scrollRight() {
removeDirection = RemoveDirection.RIGHT;
final int delta = (screenWidth + itemView.getScrollX());
// 调用startScroll方法来设置一些滚动的参数，我们在computeScroll()方法中调用scrollTo来滚动item
scroller.startScroll(itemView.getScrollX(), 0, -delta, 0,
Math.abs(delta));
postInvalidate(); // 刷新itemView
}
/**
* 向左滑动，根据上面我们知道向左滑动为正值
*/
private void scrollLeft() {
removeDirection = RemoveDirection.LEFT;
final int delta = (screenWidth - itemView.getScrollX());
// 调用startScroll方法来设置一些滚动的参数，我们在computeScroll()方法中调用scrollTo来滚动item
scroller.startScroll(itemView.getScrollX(), 0, delta, 0,
Math.abs(delta));
postInvalidate(); // 刷新itemView
}
/**
* 根据手指滚动itemView的距离来判断是滚动到开始位置还是向左或者向右滚动
*/
private void scrollByDistanceX() {
// 如果向左滚动的距离大于屏幕的三分之一，就让其删除
if (itemView.getScrollX() = screenWidth / 3) {
scrollLeft();
} else if (itemView.getScrollX() = -screenWidth / 3) {
scrollRight();
} else {
// 滚回到原始位置,为了偷下懒这里是直接调用scrollTo滚动
itemView.scrollTo(0, 0);
}
}
/**
* 处理我们拖动ListView item的逻辑
*/
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (isSlide slidePosition != AdapterView.INVALID_POSITION) {
addVelocityTracker(ev);
final int action = ev.getAction();
int x = (int) ev.getX();
switch (action) {
case MotionEvent.ACTION_MOVE:
int deltaX = downX - x;
downX = x;
// 手指拖动itemView滚动, deltaX大于0向左滚动，小于0向右滚
itemView.scrollBy(deltaX, 0);
break;
case MotionEvent.ACTION_UP:
int velocityX = getScrollVelocity();
if (velocityX SNAP_VELOCITY) {
scrollRight();
} else if (velocityX -SNAP_VELOCITY) {
scrollLeft();
} else {
scrollByDistanceX();
}
recycleVelocityTracker();
// 手指离开的时候就不响应左右滚动
isSlide = false;
break;
}
return true; // 拖动的时候ListView不滚动
}
//否则直接交给ListView来处理onTouchEvent事件
return super.onTouchEvent(ev);
}
@Override
public void computeScroll() {
// 调用startScroll的时候scroller.computeScrollOffset()返回true，
if (scroller.computeScrollOffset()) {
// 让ListView item根据当前的滚动偏移量进行滚动
itemView.scrollTo(scroller.getCurrX(), scroller.getCurrY());
postInvalidate();
// 滚动动画结束的时候调用回调接口
if (scroller.isFinished()) {
if (mRemoveListener == null) {
throw new NullPointerException(RemoveListener is null, we should called setRemoveListener());
}
itemView.scrollTo(0, 0);
mRemoveListener.removeItem(removeDirection, slidePosition);
}
}
}
/**
* 添加用户的速度跟踪器
*
* @param event
*/
private void addVelocityTracker(MotionEvent event) {
if (velocityTracker == null) {
velocityTracker = VelocityTracker.obtain();
}
velocityTracker.addMovement(event);
}
/**
* 移除用户速度跟踪器
*/
private void recycleVelocityTracker() {
if (velocityTracker != null) {
velocityTracker.recycle();
velocityTracker = null;
}
}
/**
* 获取X方向的滑动速度,大于0向右滑动，反之向左
*
* @return
*/
private int getScrollVelocity() {
velocityTracker.computeCurrentVelocity(1000);
int velocity = (int) velocityTracker.getXVelocity();
return velocity;
}
/**
*
* 当ListView item滑出屏幕，回调这个接口
* 我们需要在回调方法removeItem()中移除该Item,然后刷新ListView
*
* @author xiaanming
*
*/
public interface RemoveListener {
public void removeItem(RemoveDirection direction, int position);
}
}
行数)，从开始到结束，中途有一个过渡（即移动中显示更多的画面细节）; 禁用时：在网页上滚动一次，从开始到结束，中途没有过渡。 开启平滑滚动在浏览网页上下滚动时，比禁用的画面效果更平滑舒服，但是CPU使用率更高。（追求画质：开启 / 追求性能：禁用） 单击“Internet 选项”打开“In
1、引入组件
2、布局中添加组件
使用该组件替换普通的RecyclerView即可
3、activity中进行设置
