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@@ -0,0 +1,347 @@
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+package com.baoyz.swipemenulistview;
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+
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+import android.content.Context;
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+import android.support.v4.view.GestureDetectorCompat;
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+import android.support.v4.widget.ScrollerCompat;
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+import android.util.AttributeSet;
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+import android.util.Log;
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+import android.util.TypedValue;
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+import android.view.GestureDetector.OnGestureListener;
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+import android.view.GestureDetector.SimpleOnGestureListener;
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+import android.view.MotionEvent;
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+import android.view.View;
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+import android.view.animation.Interpolator;
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+import android.widget.AbsListView;
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+import android.widget.FrameLayout;
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+
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+/**
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+ *
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+ * @author baoyz
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+ * @date 2014-8-23
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+ *
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+ */
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+public class SwipeMenuLayout extends FrameLayout {
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+
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+ private static final int CONTENT_VIEW_ID = 1;
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+ private static final int MENU_VIEW_ID = 2;
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+
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+ private static final int STATE_CLOSE = 0;
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+ private static final int STATE_OPEN = 1;
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+
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+ private int mSwipeDirection;
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+
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+ private View mContentView;
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+ private SwipeMenuView mMenuView;
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+ private int mDownX;
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+ private int state = STATE_CLOSE;
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+ private GestureDetectorCompat mGestureDetector;
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+ private OnGestureListener mGestureListener;
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+ private boolean isFling;
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+ private int MIN_FLING = dp2px(15);
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+ private int MAX_VELOCITYX = -dp2px(500);
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+ private ScrollerCompat mOpenScroller;
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+ private ScrollerCompat mCloseScroller;
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+ private int mBaseX;
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+ private int position;
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+ private Interpolator mCloseInterpolator;
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+ private Interpolator mOpenInterpolator;
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+
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+ private boolean mSwipEnable = true;
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+
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+ public SwipeMenuLayout(View contentView, SwipeMenuView menuView) {
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+ this(contentView, menuView, null, null);
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+ }
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+
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+ public SwipeMenuLayout(View contentView, SwipeMenuView menuView,
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+ Interpolator closeInterpolator, Interpolator openInterpolator) {
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+ super(contentView.getContext());
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+ mCloseInterpolator = closeInterpolator;
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+ mOpenInterpolator = openInterpolator;
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+ mContentView = contentView;
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+ mMenuView = menuView;
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+ mMenuView.setLayout(this);
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+ init();
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+ }
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+
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+ // private SwipeMenuLayout(Context context, AttributeSet attrs, int
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+ // defStyle) {
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+ // super(context, attrs, defStyle);
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+ // }
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+
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+ private SwipeMenuLayout(Context context, AttributeSet attrs) {
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+ super(context, attrs);
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+ }
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+
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+ private SwipeMenuLayout(Context context) {
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+ super(context);
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+ }
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+
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+ public int getPosition() {
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+ return position;
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+ }
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+
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+ public void setPosition(int position) {
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+ this.position = position;
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+ mMenuView.setPosition(position);
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+ }
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+
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+ public void setSwipeDirection(int swipeDirection) {
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+ mSwipeDirection = swipeDirection;
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+ }
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+
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+ private void init() {
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+ setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT,
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+ LayoutParams.WRAP_CONTENT));
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+ mGestureListener = new SimpleOnGestureListener() {
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+ @Override
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+ public boolean onDown(MotionEvent e) {
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+ isFling = false;
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+ return true;
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+ }
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+
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+ @Override
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+ public boolean onFling(MotionEvent e1, MotionEvent e2,
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+ float velocityX, float velocityY) {
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+ // TODO
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+ if (Math.abs(e1.getX() - e2.getX()) > MIN_FLING
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+ && velocityX < MAX_VELOCITYX) {
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+ isFling = true;
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+ }
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+ // Log.i("byz", MAX_VELOCITYX + ", velocityX = " + velocityX);
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+ return super.onFling(e1, e2, velocityX, velocityY);
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+ }
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+ };
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+ mGestureDetector = new GestureDetectorCompat(getContext(),
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+ mGestureListener);
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+
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+ // mScroller = ScrollerCompat.create(getContext(), new
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+ // BounceInterpolator());
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+ if (mCloseInterpolator != null) {
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+ mCloseScroller = ScrollerCompat.create(getContext(),
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+ mCloseInterpolator);
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+ } else {
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+ mCloseScroller = ScrollerCompat.create(getContext());
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+ }
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+ if (mOpenInterpolator != null) {
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+ mOpenScroller = ScrollerCompat.create(getContext(),
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+ mOpenInterpolator);
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+ } else {
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+ mOpenScroller = ScrollerCompat.create(getContext());
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+ }
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+
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+ LayoutParams contentParams = new LayoutParams(
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+ LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
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+ mContentView.setLayoutParams(contentParams);
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+ if (mContentView.getId() < 1) {
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+ mContentView.setId(CONTENT_VIEW_ID);
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+ }
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+
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+ mMenuView.setId(MENU_VIEW_ID);
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+ mMenuView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
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+ LayoutParams.WRAP_CONTENT));
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+
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+ addView(mContentView);
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+ addView(mMenuView);
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+
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+ // if (mContentView.getBackground() == null) {
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+ // mContentView.setBackgroundColor(Color.WHITE);
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+ // }
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+
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+ // in android 2.x, MenuView height is MATCH_PARENT is not work.
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+ // getViewTreeObserver().addOnGlobalLayoutListener(
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+ // new OnGlobalLayoutListener() {
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+ // @Override
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+ // public void onGlobalLayout() {
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+ // setMenuHeight(mContentView.getHeight());
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+ // // getViewTreeObserver()
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+ // // .removeGlobalOnLayoutListener(this);
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+ // }
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+ // });
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+
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+ }
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+
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+ @Override
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+ protected void onAttachedToWindow() {
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+ super.onAttachedToWindow();
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+ }
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+
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+ @Override
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+ protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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+ super.onSizeChanged(w, h, oldw, oldh);
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+ }
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+
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+ public boolean onSwipe(MotionEvent event) {
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+ mGestureDetector.onTouchEvent(event);
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+ switch (event.getAction()) {
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+ case MotionEvent.ACTION_DOWN:
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+ mDownX = (int) event.getX();
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+ isFling = false;
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+ break;
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+ case MotionEvent.ACTION_MOVE:
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+ // Log.i("byz", "downX = " + mDownX + ", moveX = " + event.getX());
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+ int dis = (int) (mDownX - event.getX());
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+ if (state == STATE_OPEN) {
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+ dis += mMenuView.getWidth()*mSwipeDirection;;
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+ }
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+ swipe(dis);
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+ break;
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+ case MotionEvent.ACTION_UP:
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+ if ((isFling || Math.abs(mDownX - event.getX()) > (mMenuView.getWidth() / 2)) &&
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+ Math.signum(mDownX - event.getX()) == mSwipeDirection) {
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+ // open
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+ smoothOpenMenu();
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+ } else {
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+ // close
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+ smoothCloseMenu();
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+ return false;
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+ }
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+ break;
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+ }
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+ return true;
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+ }
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+
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+ public boolean isOpen() {
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+ return state == STATE_OPEN;
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+ }
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+
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+ @Override
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+ public boolean onTouchEvent(MotionEvent event) {
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+ return super.onTouchEvent(event);
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+ }
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+
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+ private void swipe(int dis) {
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+ if(!mSwipEnable){
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+ return ;
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+ }
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+ if (Math.signum(dis) != mSwipeDirection) {
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+ dis = 0;
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+ } else if (Math.abs(dis) > mMenuView.getWidth()) {
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+ dis = mMenuView.getWidth()*mSwipeDirection;
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+ }
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+
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+ mContentView.layout(-dis, mContentView.getTop(),
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+ mContentView.getWidth() -dis, getMeasuredHeight());
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+
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+ if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
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+
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+ mMenuView.layout(mContentView.getWidth() - dis, mMenuView.getTop(),
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+ mContentView.getWidth() + mMenuView.getWidth() - dis,
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+ mMenuView.getBottom());
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+ } else {
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+ mMenuView.layout(-mMenuView.getWidth() - dis, mMenuView.getTop(),
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+ - dis, mMenuView.getBottom());
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+ }
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+ }
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+
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+ @Override
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+ public void computeScroll() {
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+ if (state == STATE_OPEN) {
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+ if (mOpenScroller.computeScrollOffset()) {
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+ swipe(mOpenScroller.getCurrX()*mSwipeDirection);
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+ postInvalidate();
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+ }
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+ } else {
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+ if (mCloseScroller.computeScrollOffset()) {
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+ swipe((mBaseX - mCloseScroller.getCurrX())*mSwipeDirection);
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+ postInvalidate();
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+ }
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+ }
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+ }
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+
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+ public void smoothCloseMenu() {
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+ state = STATE_CLOSE;
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+ if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
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+ mBaseX = -mContentView.getLeft();
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+ mCloseScroller.startScroll(0, 0, mMenuView.getWidth(), 0, 350);
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+ } else {
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+ mBaseX = mMenuView.getRight();
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+ mCloseScroller.startScroll(0, 0, mMenuView.getWidth(), 0, 350);
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+ }
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+ postInvalidate();
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+ }
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+
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+ public void smoothOpenMenu() {
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+ if(!mSwipEnable){
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+ return ;
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+ }
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+ state = STATE_OPEN;
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+ if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
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+ mOpenScroller.startScroll(-mContentView.getLeft(), 0, mMenuView.getWidth(), 0, 350);
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+ } else {
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+ mOpenScroller.startScroll(mContentView.getLeft(), 0, mMenuView.getWidth(), 0, 350);
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+ }
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+ postInvalidate();
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+ }
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+
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+ public void closeMenu() {
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+ if (mCloseScroller.computeScrollOffset()) {
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+ mCloseScroller.abortAnimation();
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+ }
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+ if (state == STATE_OPEN) {
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+ state = STATE_CLOSE;
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+ swipe(0);
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+ }
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+ }
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+
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+ public void openMenu() {
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+ if(!mSwipEnable){
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+ return ;
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+ }
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+ if (state == STATE_CLOSE) {
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+ state = STATE_OPEN;
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+ swipe(mMenuView.getWidth() * mSwipeDirection);
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+ }
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+ }
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+
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+ public View getContentView() {
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+ return mContentView;
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+ }
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+
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+ public SwipeMenuView getMenuView() {
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+ return mMenuView;
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+ }
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+
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+ private int dp2px(int dp) {
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+ return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
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+ getContext().getResources().getDisplayMetrics());
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+ }
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+
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+ @Override
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+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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+ mMenuView.measure(MeasureSpec.makeMeasureSpec(0,
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+ MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(
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+ getMeasuredHeight(), MeasureSpec.EXACTLY));
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+ }
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+
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+ @Override
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+ protected void onLayout(boolean changed, int l, int t, int r, int b) {
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+ mContentView.layout(0, 0, getMeasuredWidth(),
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+ mContentView.getMeasuredHeight());
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+ if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
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+ mMenuView.layout(getMeasuredWidth(), 0,
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+ getMeasuredWidth() + mMenuView.getMeasuredWidth(),
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+ mContentView.getMeasuredHeight());
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+ } else {
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+ mMenuView.layout(-mMenuView.getMeasuredWidth(), 0,
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+ 0, mContentView.getMeasuredHeight());
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+ }
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+ }
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+
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+ public void setMenuHeight(int measuredHeight) {
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+ Log.i("byz", "pos = " + position + ", height = " + measuredHeight);
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+ LayoutParams params = (LayoutParams) mMenuView.getLayoutParams();
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+ if (params.height != measuredHeight) {
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+ params.height = measuredHeight;
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+ mMenuView.setLayoutParams(mMenuView.getLayoutParams());
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+ }
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+ }
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+
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+ public void setSwipEnable(boolean swipEnable){
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+ mSwipEnable = swipEnable;
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+ }
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+
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+ public boolean getSwipEnable(){
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+ return mSwipEnable;
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+ }
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+}
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