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上传时间: 2014-02-21
详细说明： android经典侧栏的使用 package com.jj.slidingmenu; import android.app.Activity; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.GestureDetector; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.view.ViewTreeObserver.OnPreDrawListener; import android.view.Window; import android.widget.AdapterView; import android.widget.Ada pterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.Toast; import com.jj.slidingmenu.MyLinearLayout.OnScrollListener; public class MainActivity extends Activity implements OnTouchListener, GestureDetector.OnGestureListener, OnItemClickListener { private boolean hasMeasured = false;// 是否Measured. private LinearLayout layout_left;// 左边布局 private LinearLayout layout_right;// 右边布局 private ImageView iv_set;// 图片 private ListView lv_set;// 设置菜单 /** 每次自动展开/收缩的范围 */ private int MAX_WIDTH = 0; /** 每次自动展开/收缩的速度 */ private final static int SPEED = 30; private final static int sleep_time = 5; private GestureDetector mGestureDetector;// 手势 private boolean isScrolling = false; private float mScrollX; // 滑块滑动距离 private int window_width;// 屏幕的宽度 private String TAG = "jj"; private View view = null;// 点击的view private String title[] = { "待发送队列", "同步分享设置", "编辑我的资料", "找朋友", "告诉朋友", "节省流量", "推送设置", "版本更新", "意见反馈", "积分兑换", "精品应用", "常见问题", "退出当前帐号" }; private MyLinearLayout mylaout; /*** * 初始化view */ void InitView() { layout_left = (LinearLayout) findViewById(R.id.layout_left); layout_right = (LinearLayout) findViewById(R.id.layout_right); iv_set = (ImageView) findViewById(R.id.iv_set); lv_set = (ListView) findViewById(R.id.lv_set); mylaout = (MyLinearLayout) findViewById(R.id.mylaout); lv_set.setAdapter(new ArrayAdapter(this, R.layout.item, R.id.tv_item, title)); /*** * 实现该接口 */ mylaout.setOnScrollListener(new OnScrollListener() { @Override public void doScroll(float distanceX) { doScrolling(distanceX); } @Override public void doLoosen() { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); Log.e("jj", "layoutParams.leftMargin=" + layoutParams.leftMargin); // 缩回去 if (layoutParams.leftMargin < -window_width / 2) { new AsynMove().execute(-SPEED); } else { new AsynMove().execute(SPEED); } } }); // 点击监听 lv_set.setOnItemClickListener(this); layout_right.setOnTouchListener(this); layout_left.setOnTouchListener(this); iv_set.setOnTouchListener(this); mGestureDetector = new GestureDetector(this); // 禁用长按监听 mGestureDetector.setIsLongpressEnabled(false); getMAX_WIDTH(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); InitView(); } /*** * listview 正在滑动时执行. */ void doScrolling(float distanceX) { isScrolling = true; mScrollX += distanceX;// distanceX:向左为正，右为负 RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); RelativeLayout.LayoutParams layoutParams_1 = (RelativeLayout.LayoutParams) layout_right .getLayoutParams(); layoutParams.leftMargin -= mScrollX; layoutParams_1.leftMargin = window_width + layoutParams.leftMargin; if (layoutParams.leftMargin >= 0) { isScrolling = false;// 拖过头了不需要再执行AsynMove了 layoutParams.leftMargin = 0; layoutParams_1.leftMargin = window_width; } else if (layoutParams.leftMargin <= -MAX_WIDTH) { // 拖过头了不需要再执行AsynMove了 isScrolling = false; layoutParams.leftMargin = -MAX_WIDTH; layoutParams_1.leftMargin = window_width - MAX_WIDTH; } Log.v(TAG, "layoutParams.leftMargin=" + layoutParams.leftMargin + ",layoutParams_1.leftMargin =" + layoutParams_1.leftMargin); layout_left.setLayoutParams(layoutParams); layout_right.setLayoutParams(layoutParams_1); } /*** * 获取移动距离 移动的距离其实就是layout_left的宽度 */ void getMAX_WIDTH() { ViewTreeObserver viewTreeObserver = layout_left.getViewTreeObserver(); // 获取控件宽度 viewTreeObserver.addOnPreDrawListener(new OnPreDrawListener() { @Override public boolean onPreDraw() { if (!hasMeasured) { window_width = getWindowManager().getDefaultDisplay() .getWidth(); MAX_WIDTH = layout_right.getWidth(); RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); RelativeLayout.LayoutParams layoutParams_1 = (RelativeLayout.LayoutParams) layout_right .getLayoutParams(); ViewGroup.LayoutParams layoutParams_2 = mylaout .getLayoutParams(); // 注意： 设置layout_left的宽度。防止被在移动的时候控件被挤压 layoutParams.width = window_width; layout_left.setLayoutParams(layoutParams); // 设置layout_right的初始位置. layoutParams_1.leftMargin = window_width; layout_right.setLayoutParams(layoutParams_1); // 注意：设置lv_set的宽度防止被在移动的时候控件被挤压 layoutParams_2.width = MAX_WIDTH; mylaout.setLayoutParams(layoutParams_2); Log.v(TAG, "MAX_WIDTH=" + MAX_WIDTH + "width=" + window_width); hasMeasured = true; } return true; } }); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); if (layoutParams.leftMargin < 0) { new AsynMove().execute(SPEED); return false; } } return super.onKeyDown(keyCode, event); } @Override public boolean onTouch(View v, MotionEvent event) { view = v;// 记录点击的控件 // 松开的时候要判断，如果不到半屏幕位子则缩回去， if (MotionEvent.ACTION_UP == event.getAction() && isScrolling == true) { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); // 缩回去 if (layoutParams.leftMargin < -window_width / 2) { new AsynMove().execute(-SPEED); } else { new AsynMove().execute(SPEED); } } return mGestureDetector.onTouchEvent(event); } @Override public boolean onDown(MotionEvent e) { int position = lv_set.pointToPosition((int) e.getX(), (int) e.getY()); if (position != ListView.INVALID_POSITION) { View child = lv_set.getChildAt(position - lv_set.getFirstVisiblePosition()); if (child != null) child.setPressed(true); } mScrollX = 0; isScrolling = false; // 将之改为true，才会传递给onSingleTapUp,不然事件不会向下传递. return true; } @Override public void onShowPress(MotionEvent e) { } /*** * 点击松开执行 */ @Override public boolean onSingleTapUp(MotionEvent e) { // 点击的不是layout_left if (view != null && view == iv_set) { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); // 左移动 if (layoutParams.leftMargin >= 0) { new AsynMove().execute(-SPEED); lv_set.setSelection(0);// 设置为首位. } else { // 右移动 new AsynMove().execute(SPEED); } } else if (view != null && view == layout_left) { RelativeLayout.LayoutParams layoutParams = (android.widget.RelativeLayout.LayoutParams) layout_left .getLayoutParams(); if (layoutParams.leftMargin < 0) { // 说明layout_left处于移动最左端状态，这个时候如果点击layout_left应该直接所以原有状态.(更人性化) // 右移动 new AsynMove().execute(SPEED); } } return true; } /*** * 滑动监听 就是一个点移动到另外一个点. distanceX=后面点x-前面点x，如果大于0，说明后面点在前面点的右边及向右滑动 */ @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // 执行滑动. doScrolling(distanceX); return false; } @Override public void onLongPress(MotionEvent e) { } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { return false; } class AsynMove extends AsyncTask { @Override protected Void doInBackground(Integer... params) { int times = 0; if (MAX_WIDTH % Math.abs(params[0]) == 0)// 整除 times = MAX_WIDTH / Math.abs(params[0]); else times = MAX_WIDTH / Math.abs(params[0]) + 1;// 有余数 for (int i = 0; i < times; i++) { publishProgress(params[0]); try { Thread.sleep(sleep_time); } catch (InterruptedException e) { e.printStackTrace(); } } return null; } /** * update UI */ @Override protected void onProgressUpdate(Integer... values) { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); RelativeLayout.LayoutParams layoutParams_1 = (RelativeLayout.LayoutParams) layout_right .getLayoutParams(); // 右移动 if (values[0] > 0) { layoutParams.leftMargin = Math.min(layoutParams.leftMargin + values[0], 0); layoutParams_1.leftMargin = Math.min(layoutParams_1.leftMargin + values[0], window_width); Log.v(TAG, "layout_left右" + layoutParams.leftMargin + ",layout_right右" + layoutParams_1.leftMargin); } else { // 左移动 layoutParams.leftMargin = Math.max(layoutParams.leftMargin + values[0], -MAX_WIDTH); layoutParams_1.leftMargin = Math.max(layoutParams_1.leftMargin + values[0], window_width - MAX_WIDTH); Log.v(TAG, "layout_left左" + layoutParams.leftMargin + ",layout_right左" + layoutParams_1.leftMargin); } layout_right.setLayoutParams(layoutParams_1); layout_left.setLayoutParams(layoutParams); } } @Override public void onItemClick(AdapterView parent, View view, int position, long id) { RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) layout_left .getLayoutParams(); // 只要没有滑动则都属于点击 if (layoutParams.leftMargin == -MAX_WIDTH) Toast.makeText(MainActivity.this, title[position], 1).show(); } } ...展开收缩
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