自定义SlideMenu

来源：互联网发布：r语言的图和python 编辑：程序博客网时间：2024/05/17 09:46

SlideLayout.java

public class SlideLayout extends FrameLayout{    private View menuView;    private int menuItemHeight,menuItemWidth;    private Scroller scroller;    private boolean isOpen= false;    public SlideLayout(Context context) {        super(context);    }    public SlideLayout(Context context, AttributeSet attrs) {        super(context, attrs);        scroller = new Scroller(context);    }    public SlideLayout(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);    }    @Override    protected void onFinishInflate() {        super.onFinishInflate();        menuView = getChildAt(1);    }    @Override    protected void onAttachedToWindow() {        super.onAttachedToWindow();    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        menuItemHeight = menuView.getMeasuredHeight();        menuItemWidth = menuView.getMeasuredWidth();    }    @Override    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {        super.onLayout(changed, left, top, right, bottom);        menuView.layout(-menuItemWidth, 0, 0, menuItemHeight);    }    private int lastX=0;    @Override    public boolean onTouchEvent(MotionEvent event) {        int moveX ;        int action = event.getAction();        int eventX = (int) event.getRawX();        switch (action){            case MotionEvent.ACTION_DOWN:                lastX = eventX;                break;            case MotionEvent.ACTION_MOVE:                int dx = eventX-lastX;                moveX = getScrollX()-dx;                if(moveX<-menuItemWidth){                    moveX = -menuItemWidth;                }else if(moveX>0){                    moveX = 0;                }                scrollTo(moveX,getScrollY());                lastX = eventX;                break;            case MotionEvent.ACTION_UP:                moveX = getScrollX();                if(moveX <= -menuItemWidth/2){                    openMenu();                }else{                    closeMenu();                }                break;        }        return true;    }    private void closeMenu() {        isOpen = false;        scroller.startScroll(getScrollX(),getScrollY(),-getScrollX(),-getScrollY(),500);        invalidate();    }    private void openMenu() {        isOpen = true;        scroller.startScroll(getScrollX(), getScrollY(), -menuItemWidth - getScrollX(), getScrollY(), 500);        invalidate();    }    @Override    public void computeScroll() {        if(scroller.computeScrollOffset()){            scrollTo(scroller.getCurrX(),scroller.getCurrY());            invalidate();        }    }    public void toggleMenu() {        if(isOpen){            closeMenu();        }else{            openMenu();        }    }}

item_content.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent"><LinearLayout    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:background="@drawable/top_bar_bg"    >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_vertical"        android:drawableLeft="@drawable/main_back"        android:gravity="center"        android:textColor="#fff"        android:textSize="30sp"        android:text="新闻"        android:clickable="true"        android:id="@+id/tv_back"/></LinearLayout></LinearLayout>

item_menu.xml

<?xml version="1.0" encoding="utf-8"?><ScrollView xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/scrollView"    android:layout_width="150dp"    android:layout_height="match_parent"    android:background="@drawable/menu_bg"    >    <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:orientation="vertical"        >        <TextView            style="@style/myTextStyle"            android:text="焦点"            android:drawableLeft="@drawable/tab_focus"            />        <TextView            style="@style/myTextStyle"            android:text="本地"            android:drawableLeft="@drawable/tab_local"            />        <TextView            style="@style/myTextStyle"            android:text="新闻"            android:drawableLeft="@drawable/tab_news"            />        <TextView            style="@style/myTextStyle"            android:text="图片"            android:drawableLeft="@drawable/tab_pics"            />        <TextView            style="@style/myTextStyle"            android:text="阅读"            android:drawableLeft="@drawable/tab_read"            />        <TextView            style="@style/myTextStyle"            android:text="热帖"            android:drawableLeft="@drawable/tab_ties"            />        <TextView            style="@style/myTextStyle"            android:text="点评"            android:drawableLeft="@drawable/tab_ugc"            />        <TextView            style="@style/myTextStyle"            android:text="投票"            android:drawableLeft="@drawable/tab_vote"            />    </LinearLayout></ScrollView>

main_activity.xml

<?xml version="1.0" encoding="utf-8"?><com.xhly.sdv.slidemenu.view.SlideLayout    xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/slide_layout"    android:layout_width="match_parent"    android:layout_height="match_parent">    <include layout="@layout/item_content" />    <include layout="@layout/item_menu"/></com.xhly.sdv.slidemenu.view.SlideLayout>

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