DrawerLayout实现网易新闻抽屉效果

1、个人感觉网易的客户端比拟前卫，有很多新鲜的东西，有时候模仿这些好的客户端 能学到很多东西开始今天的主要课题，下面是网易客户端抽屉模式实现的效果openDrawer(toOpen);break;case LOCK_MODE_LOCKEDCLOSED:final View toClose = findDrawerWithGravity(absGravity);if (toClose != null) closeDrawer(toClose);break;/ default: do nothing)启用或禁用了所有的抽屉互动。其实有个Drawerlayout这个布局，你得问题就已经解决掉一大半了,D

2、rawerlayout布局本身就提供了左划和右划的功能先上代码,然后慢慢解答，看完这篇博客你就知道Drawerlayout怎么用了首先上逐步局文件代码Drawerlayout是Androidv4包里自带的，既然是自带的那么直接拿来用就可以 了，当然前提是你得工程里有v4包下面解释上面的布局文件，让你懂得Drawerlayout用法，首先Drawerlayout支 持左划和右划，那他是如何控制的呢?不居中告诉你，以上布局分为三局部,一般情 况下，第一局部是主步局，第二局部是左划的布局，第三局部是右划的布局,其实这 里的左向滑动和右向滑动是通过gravity控制，左划界面android:layou

3、t_gravity=left当然这里的left也可以用start代替，右划界面 就理所当然的是 android:layout_gravity=rightright 也可以用 end 代替，其余的应该明白了吧!不懂留言，我认真为你解答下面在贴一下主界面的代码，你看懂Drawerlayout用法其余的就很简单了，妈妈 再也不懂担忧你的学习了package com. sdufe. thea. guo;import java. util. ArrayList;import java. util. List;import com. sdufe. thea. guo. adapter. ContentAd

4、apter;import com. sdufe. thea. guo. model. ContentModel;import android, os. Bundle;import android, app. Activity;import android, support. v4. widget. DrawerLayout;import android, support. v4. widget. DrawerLayout. DrawerListener;import android, view. Menu;import android, view. MotionEvent;import and

5、roid, view. View;import android, view. View. OnTouchListener;import android, widget. ArrayAdapter;import android, widget. ListView;import android, widget. RelativeLayout;import android, widget. TextView;public class MainActivity extends Activity private DrawerLayout drawerLayout;private RelativeLayo

6、ut leftLayout;private RelativeLayout rightLayout;private List list;private ContentAdapter adapter;Overrideprotected void onCreate(Bundle savedInstanceState) super. onCreate(savedlnstanceState);setContentView(R. layout, activity main);drawerLayout = (DrawerLayout) findViewByld(R. id. drawer1ayou t)；l

7、eftLayout=(RelativeLayout) findViewById(R. id. left);rightLayout=(RelativeLayout) findViewById(R. id. right);ListView listView= (ListView) leftLayout. findViewByld(R. id. lef t_listview);initDataO ;adapter=new ContentAdapter (this, list);listView. setAdapter(adapter);private void initDataO list=new

8、ArrayList();list, add (new ContentModel (R. drawable. doctoradvice2, 新I闻);list. add (new ContentModel (R. drawable, infusion selected, 订I阅 )；list, add (new ContentModel (R. drawable. mypatient_selected, 图 片)；list, add (new ContentModel (R. drawable, mywork selected, 视频 )；list, add (new ContentModel

9、(R. drawable. nursingcareplan2, 品艮帖 )；list. add (new ContentModel (R. drawable. personal_selected, 投票 )；ok,就是这么简单啦！CSDN 代召马下载:github 代码下载: s:/github /zimoguo/DrawerMode源码首先看Drawerlayout,他继承自ViewGroup,这里主要看一下它里面的方法，方便以后使用/* Listener for monitoring events about drawers.*/public interface DrawerListene

10、r /*Called when a drawers position changes.param drawerView The child view that was movedparam slideOffset The new offset of this drawer within its range, f rom 0-1*/public void onDrawerSlide(View drawerView, float slideOffset);/*Called when a drawer has settled in a completely open state.The drawer

11、 is interactive at this point.*param drawerView Drawer view that is now open*/public void onDrawerOpened(View drawerView);/*Called when a drawer has settled in a completely closed state.*param drawerView Drawer view that is now closed*/public void onDrawerClosed(View drawerView);/*Called when the dr

12、awer motion state changes. The new state willbe one of link #STATE_IDLE, link #STATE_DRAGGING or link #ST ATE_SETTLING.*param newState The new drawer motion state*/public void onDrawerStateChanged(int newState);上面主要是监听事件的接口，通常回调的时候回用到它，里面的方法有四个，分别是 onDrawerSlide(View drawerView, floatslideOffset);on

13、DrawerOpened(View drawerView);onDrawerClosed(ViewdrawerView);onDrawerStateChanged(int newState);onDrawerSlide(View drawerView, float slideOffset)抽屉改变时使用onDrawerOpened(View drawerView)才了开抽屉onDrawerClosed(View drawerView)关闭抽屉onDrawerStateChanged(int newState);改变抽屉的状态/*Set a simple drawable used for th

14、e left or right shadow.The drawable provided must have a nonzero intrinsic width.*param shadowDrawable Shadow drawable to use at the edge of a drawerparam gravity Which drawer the shadow should apply to/public void setDrawerShadow(Drawable shadowDrawable, int gravity) /*TODO Someone someday might wa

15、nt to set more complex drawables here.They，re probably nuts, but we might want to consider registering cal Ibacks,setting states, etc. properly./final int absGravity = GravityCompat. getAbsoluteGravity(gravity,ViewCompat. getLayoutDirection(this);if (absGravity & Gravity. LEFT) = Gravity. LEFT) mSha

16、dowLeft = shadowDrawable;invalidate();)if (absGravity & Gravity. RIGHT) = Gravity. RIGHT) mShadowRight = shadowDrawable;invalidate();上面这个方法是为了设置用于左或右阴影的简单可拉伸。所提供的可拉伸必须有一个非零固有宽度。public void setScrimColor(int color) mScrimColor = color;invalidate();设置用于该掩盖的主要内容，而抽屉翻开网眼织物的颜色。public void setDrawerLockMode(int lockMode, int edgeGravity) final int absGravity = GravityCompat. getAbsoluteGravity(edgeGravity, ViewCompat. getLayoutDirection(this);if (absGravity = Gravity. LEFT) mLockModeLeft = lockMode; else if (absGravity = Gravity. RIGHT) mLockModeRight = lockMode;if (lockMode != L0CK_M0DE_UN