右方MENU划屏代码

右侧MENU划屏代码
参考http://my.eoe.cn/1188496/archive/20296.html

MainActivity

package com.nico;import android.app.Activity;import android.os.Bundle;import android.view.GestureDetector;import android.view.Menu;import android.view.MotionEvent;import android.view.View;import android.view.View.OnTouchListener;import android.view.ViewTreeObserver;import android.view.ViewTreeObserver.OnPreDrawListener;import android.view.Window;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.RelativeLayout;import android.widget.RelativeLayout.LayoutParams;public class MainActivity extends Activity implementsGestureDetector.OnGestureListener, OnTouchListener {public LinearLayout leftview = null;public LinearLayout rightview = null;public ImageView setBtn = null;public GestureDetector gestureD = null;public int window_width;public int max_width;public boolean isScroll = false;public int mScrollX = 0;public ImageView img = null;final public static int SPEED = 30;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_main);initView();}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}@SuppressWarnings("deprecation")public void initView() {leftview = (LinearLayout) findViewById(R.id.left_part);rightview = (LinearLayout) findViewById(R.id.right_part);setBtn = (ImageView) findViewById(R.id.set_btn);img = (ImageView) findViewById(R.id.bg);gestureD = new GestureDetector(this);leftview.setOnTouchListener(this);img.setOnTouchListener(this);gestureD.setIsLongpressEnabled(false);getmaxWidth();}@Overridepublic boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,float velocityY) {return false;}@Overridepublic void onLongPress(MotionEvent e) {}@Overridepublic boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,float distanceY) {//拖动过程中isScroll = true;//distanceX是处理后点X跟前点X的距离，此时mScrollX为X方向移动距离mScrollX += distanceX;RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) leftview.getLayoutParams();int leftmargin = params.leftMargin;//左边距 - X方向移动的距离 等于新的左边距leftmargin -= mScrollX;//到头了，停止移动，设定左边距为-max_width 或 0if (leftmargin <= -max_width) {leftmargin = -max_width;params.leftMargin = leftmargin;isScroll = false;} else if (leftmargin >= 0) {leftmargin = 0;params.leftMargin = leftmargin;isScroll = false;}//其他范围内，正常设定左边距params.leftMargin = leftmargin;leftview.setLayoutParams(params);//返回false,继续传递这个事件return false;}@Overridepublic void onShowPress(MotionEvent e) {}@Overridepublic boolean onSingleTapUp(MotionEvent e) {//单击的时候实现左右移动isScroll = false;RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) leftview.getLayoutParams();int leftmargin = params.leftMargin;if (leftmargin == 0) {new MoveAsyTask(leftview, max_width).execute(-SPEED);} else {new MoveAsyTask(leftview, max_width).execute(SPEED);}return false;}@Overridepublic boolean onDown(MotionEvent e) {//按下第一个动作时，mScrollX置为0，isScroll重置为falsemScrollX = 0;isScroll = false;return true;}public boolean hasMeasured = false;void getmaxWidth() {ViewTreeObserver viewTreeObserver = leftview.getViewTreeObserver();// 获取控件宽度viewTreeObserver.addOnPreDrawListener(new OnPreDrawListener() {@Overridepublic boolean onPreDraw() {if (!hasMeasured) {window_width = getWindowManager().getDefaultDisplay().getWidth();RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) leftview.getLayoutParams();layoutParams.width = window_width;leftview.setLayoutParams(layoutParams);max_width = rightview.getWidth();hasMeasured = true;}return true;}});}@Overridepublic boolean onTouch(View v, MotionEvent event) {if (MotionEvent.ACTION_UP == event.getAction() && isScroll == true) {RelativeLayout.LayoutParams params = (LayoutParams) leftview.getLayoutParams();int leftmargin = params.leftMargin;//滑动结束后，判断拖动距离是否大于一般屏宽，是则向前，否则缩回去if (leftmargin < -window_width / 2) {new MoveAsyTask(leftview, max_width).execute(-SPEED);} else {new MoveAsyTask(leftview, max_width).execute(SPEED);}}return gestureD.onTouchEvent(event);}}

package com.nico;import android.os.AsyncTask;import android.widget.LinearLayout;import android.widget.RelativeLayout;public class MoveAsyTask extends AsyncTask<Integer, Integer, String> {public LinearLayout view;public int max_width;public MoveAsyTask(LinearLayout v, int mw) {view = v;max_width = mw;}@Overrideprotected void onProgressUpdate(Integer... values) {RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) view.getLayoutParams();//更新视图int leftmargin = params.leftMargin;int guide = values[0];if (guide > 0) {// 往右leftmargin = Math.min(leftmargin + guide, 0);} else {leftmargin = Math.max(leftmargin + guide, -max_width);// 往左}params.leftMargin = leftmargin;view.setLayoutParams(params);}@Overrideprotected String doInBackground(Integer... params) {int times = 0;if (max_width % Math.abs(params[0]) == 0)// 整除times = max_width / Math.abs(params[0]);elsetimes = max_width / Math.abs(params[0]) + 1;// 有余数for (int i = 0; i < times; i++) {publishProgress(params[0]);try {Thread.sleep(Math.abs(params[0]));} catch (InterruptedException e) {e.printStackTrace();}}return null;}}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent" >    <LinearLayout        android:id="@+id/right_part"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:layout_marginLeft="50dp"        android:background="@android:color/background_dark"        android:orientation="vertical" >        <LinearLayout            android:id="@+id/right_title"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:gravity="center" >            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="设置"                android:textColor="@android:color/white"                android:textSize="20sp" />        </LinearLayout>    </LinearLayout>    <LinearLayout        android:id="@+id/left_part"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:orientation="vertical" >        <RelativeLayout            android:id="@+id/left_title"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:background="@drawable/nav_bg" >            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_centerInParent="true"                android:text="我"                android:textColor="@android:color/white"                android:textSize="20sp" />            <ImageView                android:id="@+id/set_btn"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_alignParentRight="true"                android:src="@drawable/set_btn" />        </RelativeLayout>        <ImageView            android:layout_width="fill_parent"            android:layout_height="fill_parent"            android:id="@+id/bg"            android:background="@drawable/guide_bg" />    </LinearLayout></RelativeLayout>