Android侧滑导航栏的实例代码
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;
}
}
以上所述是小编给大家介绍的Android侧滑导航栏的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对呐喊教程网站的支持！
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