Android之侧滑导航栏

今天学习的新内容是侧滑导航栏，我想大家肯定都比较熟悉了，因为这个效果在qq里面也有，最近一直跟室友们玩的游戏是快速让自己的头像的点赞量上千。当然我的效果跟qq是没有办法比的，因为那里面的功能是在是太强大了。下面我来展示一下我做的效果截图。

我做的界面有点丑，但是对比之前已经是有了很大的改观了。想做这样的效果的话可以ps几张比较好看的图片。

下面就是粘贴我代码的时间了。

activity_main.xml

<cn.edu.rjxy.activity.DragLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/dl"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@drawable/bg1"
    android:clickable="true"
    android:orientation="vertical" >

    <!-- 左侧菜单页面 -->

    <include layout="@layout/leftmenu" />

    <cn.edu.rjxy.activity.MyRelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="#eeeeee"
        android:orientation="vertical" >

        <!-- headbanner -->

        <include layout="@layout/middleview" />
    </cn.edu.rjxy.activity.MyRelativeLayout>

</cn.edu.rjxy.activity.DragLayout>

leftmenu.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="30dp"
    android:paddingLeft="30dp"
    android:paddingTop="10dp" >

    <LinearLayout
        android:id="@+id/menu_header"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="left|center"
        android:orientation="horizontal"
        android:padding="5dp" >

        <ImageView
            android:id="@+id/iv_headimage"
            android:layout_width="55dp"
            android:layout_height="55dp"
            android:src="@drawable/ic_launcher" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center|left"
            android:layout_marginLeft="6dp"
            android:orientation="vertical" >

            <TextView
                android:id="@+id/tv_sname"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:text="员工名"
                android:textColor="#ffffff"
                android:textSize="15sp" />

            <TextView
                android:id="@+id/tv_message"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="2dp"
                android:textColor="#ffffff"
                android:text="蝴蝶为花醉，花却随风飞，花舞花落泪，花哭花瓣飞"
                android:textSize="12sp" />
        </LinearLayout>
    </LinearLayout>

    <TextView
        android:id="@+id/tv_setting"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:text="设置"
        android:drawablePadding="5dp"
        android:gravity="center"
        android:drawableLeft="@drawable/ic_launcher"
        android:textColor="#ffffff"
        android:textSize="15sp" />

    <ListView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_above="@id/tv_setting"
        android:layout_below="@id/menu_header"
        android:layout_marginBottom="30dp"
        android:layout_marginTop="20dp"
        android:cacheColorHint="#00000000"
        android:divider="@null"
        android:scrollbars="none"
        android:textColor="#ffffff" />

</RelativeLayout>

menulist_item_text.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:padding="10dp"
        android:orientation="horizontal" >

        <ImageView
            android:id="@+id/menu_imageView1"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:src="@drawable/ic_launcher" />

        <TextView
            android:id="@+id/menu_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="5dp"
            android:gravity="center_vertical"
            android:text="菜单1"
            android:textColor="#ffffff"
            android:textSize="20sp" />
    </LinearLayout>

</LinearLayout>

middleview.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@android:color/white"
    android:orientation="vertical" >

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="40dp"
        android:background="#00C5CD"
        android:orientation="horizontal" >

        <ImageButton
            android:id="@+id/menu_imgbtn"
            android:layout_width="20dp"
            android:layout_height="15dp"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:layout_marginTop="1dp"
            android:background="@drawable/leftmenu_btn_selector" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="@string/app_name"
            android:textColor="@android:color/white"
            android:textSize="20dp" />
    </RelativeLayout>

</LinearLayout>

leftmenu_btn_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/leftmenu_btn_press" android:state_pressed="true"/>
    <item android:drawable="@drawable/leftmenu_btn" android:state_pressed="false"/>

</selector>

MyRelativeLayout 

package cn.edu.rjxy.activity;

import cn.edu.rjxy.activity.DragLayout.Status;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.LinearLayout;

public class MyRelativeLayout extends LinearLayout {
    private DragLayout dl;

    public MyRelativeLayout(Context context) {
        super(context);
    }

    public MyRelativeLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public void setDragLayout(DragLayout dl) {
        this.dl = dl;
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent event) {
        if (dl.getStatus() != Status.Close) {
            return true;
        }
        return super.onInterceptTouchEvent(event);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (dl.getStatus() != Status.Close) {
            if (event.getAction() == MotionEvent.ACTION_UP) {
                dl.close();
            }
            return true;
        }
        return super.onTouchEvent(event);
    }

}

DragLayout 

package cn.edu.rjxy.activity;

import com.nineoldandroids.view.ViewHelper;

import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff.Mode;
import android.support.v4.view.GestureDetectorCompat;
import android.support.v4.view.ViewCompat;
import android.support.v4.widget.ViewDragHelper;
import android.util.AttributeSet;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.RelativeLayout;

public class DragLayout extends FrameLayout {

    private boolean isShowShadow = true;

    private GestureDetectorCompat gestureDetector;
    private ViewDragHelper dragHelper;
    private DragListener dragListener;
    private int range;
    private int width;
    private int height;
    private int mainLeft;
    private Context context;
    private ImageView iv_shadow;
    private RelativeLayout vg_left;
    private MyRelativeLayout vg_main;
    private Status status = Status.Close;

    public DragLayout(Context context) {
        this(context, null);
    }

    public DragLayout(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
        this.context = context;
    }

    public DragLayout(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        gestureDetector = new GestureDetectorCompat(context,
                new YScrollDetector());
        dragHelper = ViewDragHelper.create(this, dragHelperCallback);
    }

    class YScrollDetector extends SimpleOnGestureListener {
        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float dx,
                float dy) {
            return Math.abs(dy) <= Math.abs(dx);
        }
    }

    private ViewDragHelper.Callback dragHelperCallback = new ViewDragHelper.Callback() {

        @Override
        public int clampViewPositionHorizontal(View child, int left, int dx) {
            if (mainLeft + dx < 0) {
                return 0;
            } else if (mainLeft + dx > range) {
                return range;
            } else {
                return left;
            }
        }

        @Override
        public boolean tryCaptureView(View child, int pointerId) {
            return true;
        }

        @Override
        public int getViewHorizontalDragRange(View child) {
            return width;
        }

        @Override
        public void onViewReleased(View releasedChild, float xvel, float yvel) {
            super.onViewReleased(releasedChild, xvel, yvel);
            if (xvel > 0) {
                open();
            } else if (xvel < 0) {
                close();
            } else if (releasedChild == vg_main && mainLeft > range * 0.3) {
                open();
            } else if (releasedChild == vg_left && mainLeft > range * 0.7) {
                open();
            } else {
                close();
            }
        }

        @Override
        public void onViewPositionChanged(View changedView, int left, int top,
                int dx, int dy) {
            if (changedView == vg_main) {
                mainLeft = left;
            } else {
                mainLeft = mainLeft + left;
            }
            if (mainLeft < 0) {
                mainLeft = 0;
            } else if (mainLeft > range) {
                mainLeft = range;
            }

            if (isShowShadow) {
                iv_shadow.layout(mainLeft, 0, mainLeft + width, height);
            }
            if (changedView == vg_left) {
                vg_left.layout(0, 0, width, height);
                vg_main.layout(mainLeft, 0, mainLeft + width, height);
            }

            dispatchDragEvent(mainLeft);
        }
    };

    public interface DragListener {
        public void onOpen();

        public void onClose();

        public void onDrag(float percent);
    }

    public void setDragListener(DragListener dragListener) {
        this.dragListener = dragListener;
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
        if (isShowShadow) {
            iv_shadow = new ImageView(context);
            iv_shadow.setImageResource(R.drawable.shadow);
            LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.MATCH_PARENT);
            addView(iv_shadow, 1, lp);
        }
        vg_left = (RelativeLayout) getChildAt(0);
        vg_main = (MyRelativeLayout) getChildAt(isShowShadow ? 2 : 1);
        vg_main.setDragLayout(this);
        vg_left.setClickable(true);
        vg_main.setClickable(true);
    }

    public ViewGroup getVg_main() {
        return vg_main;
    }

    public ViewGroup getVg_left() {
        return vg_left;
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        super.onSizeChanged(w, h, oldw, oldh);
        width = vg_left.getMeasuredWidth();
        height = vg_left.getMeasuredHeight();
        range = (int) (width * 0.6f);
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right,
            int bottom) {
        vg_left.layout(0, 0, width, height);
        vg_main.layout(mainLeft, 0, mainLeft + width, height);
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        return dragHelper.shouldInterceptTouchEvent(ev)
                && gestureDetector.onTouchEvent(ev);
    }

    @Override
    public boolean onTouchEvent(MotionEvent e) {
        try {
            dragHelper.processTouchEvent(e);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return false;
    }

    private void dispatchDragEvent(int mainLeft) {
        if (dragListener == null) {
            return;
        }
        float percent = mainLeft / (float) range;
        animateView(percent);
        dragListener.onDrag(percent);
        Status lastStatus = status;
        if (lastStatus != getStatus() && status == Status.Close) {
            dragListener.onClose();
        } else if (lastStatus != getStatus() && status == Status.Open) {
            dragListener.onOpen();
        }
    }

    private void animateView(float percent) {
        float f1 = 1 - percent * 0.3f;
        ViewHelper.setScaleX(vg_main, f1);
        ViewHelper.setScaleY(vg_main, f1);
        ViewHelper.setTranslationX(vg_left, -vg_left.getWidth() / 2.3f
                + vg_left.getWidth() / 2.3f * percent);
        ViewHelper.setScaleX(vg_left, 0.5f + 0.5f * percent);
        ViewHelper.setScaleY(vg_left, 0.5f + 0.5f * percent);
        ViewHelper.setAlpha(vg_left, percent);
        if (isShowShadow) {
            ViewHelper.setScaleX(iv_shadow, f1 * 1.4f * (1 - percent * 0.12f));
            ViewHelper.setScaleY(iv_shadow, f1 * 1.85f * (1 - percent * 0.12f));
        }
        getBackground().setColorFilter(
                evaluate(percent, Color.BLACK, Color.TRANSPARENT),
                Mode.SRC_OVER);
    }

    private Integer evaluate(float fraction, Object startValue, Integer endValue) {
        int startInt = (Integer) startValue;
        int startA = (startInt >> 24) & 0xff;
        int startR = (startInt >> 16) & 0xff;
        int startG = (startInt >> 8) & 0xff;
        int startB = startInt & 0xff;
        int endInt = (Integer) endValue;
        int endA = (endInt >> 24) & 0xff;
        int endR = (endInt >> 16) & 0xff;
        int endG = (endInt >> 8) & 0xff;
        int endB = endInt & 0xff;
        return (int) ((startA + (int) (fraction * (endA - startA))) << 24)
                | (int) ((startR + (int) (fraction * (endR - startR))) << 16)
                | (int) ((startG + (int) (fraction * (endG - startG))) << 8)
                | (int) ((startB + (int) (fraction * (endB - startB))));
    }

    @Override
    public void computeScroll() {
        if (dragHelper.continueSettling(true)) {
            ViewCompat.postInvalidateOnAnimation(this);
        }
    }

    public enum Status {
        Drag, Open, Close
    }

    public Status getStatus() {
        if (mainLeft == 0) {
            status = Status.Close;
        } else if (mainLeft == range) {
            status = Status.Open;
        } else {
            status = Status.Drag;
        }
        return status;
    }

    public void open() {
        open(true);
    }

    public void open(boolean animate) {
        if (animate) {
            if (dragHelper.smoothSlideViewTo(vg_main, range, 0)) {
                ViewCompat.postInvalidateOnAnimation(this);
            }
        } else {
            vg_main.layout(range, 0, range * 2, height);
            dispatchDragEvent(range);
        }
    }

    public void close() {
        close(true);
    }

    public void close(boolean animate) {
        if (animate) {
            if (dragHelper.smoothSlideViewTo(vg_main, 0, 0)) {
                ViewCompat.postInvalidateOnAnimation(this);
            }
        } else {
            vg_main.layout(0, 0, width, height);
            dispatchDragEvent(0);
        }
    }

}

MainActivity

package cn.edu.rjxy.activity;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import cn.edu.rjxy.activity.DragLayout.DragListener;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

    /** 左边侧滑菜单 */
    private DragLayout mDragLayout;
    private ListView menuListView;// 菜单列表
    private ImageButton menuSettingBtn;// 菜单呼出按钮
    private LinearLayout menu_header;
    private TextView menu_setting;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        menu_setting=(TextView) this.findViewById(R.id.tv_setting);
        menu_header = (LinearLayout) this.findViewById(R.id.menu_header);
        /**
         * 如果需要在别的Activity界面中也实现侧滑菜单效果，需要在布局中引入DragLayout（同本Activity方式），
         * 然后在onCreate中声明使用; Activity界面部分，需要包裹在MyRelativeLayout中.
         */
        mDragLayout = (DragLayout) findViewById(R.id.dl);
        mDragLayout.setDragListener(new DragListener() {// 动作监听
                    @Override
                    public void onOpen() {
                    }

                    @Override
                    public void onClose() {
                    }

                    @Override
                    public void onDrag(float percent) {

                    }
                });

        // 生成测试菜单选项数据
        List<Map<String, Object>> data = getMenuData();

        menuListView = (ListView) findViewById(R.id.lv);
        menuListView.setAdapter(new SimpleAdapter(this, data,
                R.layout.menulist_item_text, new String[] { "item", "image" },
                new int[] { R.id.menu_text, R.id.menu_imageView1 }));

        // 添加监听，可点击呼出菜单
        menuSettingBtn = (ImageButton) findViewById(R.id.menu_imgbtn);
        menuSettingBtn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                mDragLayout.open();
            }
        });
        initResideListener();// 自定义添加的东东

    }

    private void initResideListener() {
        // TODO Auto-generated method stub
        // 点击个人中心
        menu_header.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Toast.makeText(MainActivity.this, "进入个人中心界面", Toast.LENGTH_LONG).show();
            }
        });
        // 点击子菜单选项
        menuListView.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {
                // TODO Auto-generated method stub
                switch (position) {
                case 0:
                    Toast.makeText(MainActivity.this, "0", Toast.LENGTH_LONG).show();
                    break;
                case 1:
                    Toast.makeText(MainActivity.this, "1", Toast.LENGTH_LONG).show();
                    break;
                case 2:
                    Toast.makeText(MainActivity.this, "2", Toast.LENGTH_LONG).show();
                    break;
                case 3:
                    Toast.makeText(MainActivity.this, "3", Toast.LENGTH_LONG).show();
                    break;
                case 4:
                    Toast.makeText(MainActivity.this, "4", Toast.LENGTH_LONG).show();
                    break;
                case 5:
                    Toast.makeText(MainActivity.this, "5", Toast.LENGTH_LONG).show();
                    break;
                default:
                    break;
                }
            }
        });
        //进入设置界面
        menu_setting.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Toast.makeText(MainActivity.this, "进入设置界面", Toast.LENGTH_LONG).show();
            }
        });

    }

    private List<Map<String, Object>> getMenuData() {
        // TODO Auto-generated method stub
        List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
        Map<String, Object> item;

        item = new HashMap<String, Object>();
        item.put("item", "需参加会议");
        item.put("image", R.drawable.ic_launcher);
        data.add(item);

        item = new HashMap<String, Object>();
        item.put("item", "已参加会议");
        item.put("image", R.drawable.ic_launcher);
        data.add(item);

        item = new HashMap<String, Object>();
        item.put("item", "个人信息完善");
        item.put("image", R.drawable.ic_launcher);
        data.add(item);

        item = new HashMap<String, Object>();
        item.put("item", "密码修改");
        item.put("image", R.drawable.ic_launcher);
        data.add(item);

        return data;
    }
}