@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
break;
case MotionEvent.ACTION_MOVE:
if (parentView.getVisibility() == View.INVISIBLE) {
break;
}
// 在移动时候leftview始终可见
setLeftViewVisiable();
int moveX = (int) event.getRawX();
int deltaX = tempX - moveX;
leftViewTotalMove += deltaX;
long nowTime = System.currentTimeMillis();
long deltaTime = nowTime - tempTime;
tempTime = nowTime;
tempX = moveX;
if (Math.abs(moveX - downX) > mTouchSlop
&& Math.abs((int) event.getRawY() - downY) < mTouchSlop) {
isSilding = true;
}
if (moveX - downX >= 0 && isSilding) {
parentView.setX(parentView.getX() - deltaX);
// 更新listview的文本
changeListView();
if (Math.abs(leftViewTotalMove * leftlist_move_rate) > 1) {
float targetX = leftView.getX() - leftViewTotalMove * leftlist_move_rate;
if (targetX >= -leftlist_img_width && leftView.getX() <= 0) {
changeListView();
leftView.setX(targetX);
}
leftViewTotalMove = 0;
}
}
break;
case MotionEvent.ACTION_UP:
if (parentView.getVisibility() == View.INVISIBLE) {
break;
}
leftViewTotalMove = 0;
isSilding = false;
if (parentView.getX() >= viewWidth / 3) { // 移动继续超过1/3就向右滑动
scrollRight();
extendLeftView();
} else {
scrollOrigin();
leftViewSliding((int) leftView.getX(), -(int) leftlist_img_width, leftView, 500l);
}
break;
case MotionEvent.ACTION_CANCEL:
break;
}
return true;
}
/** Sets the touchable region of this popup to be the area occupied by its content. */
private void setContentAreaAsTouchableSurface() {
if (!mPopupWindow.isShowing()) {
mContentContainer.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
}
int width = mContentContainer.getMeasuredWidth();
int height = mContentContainer.getMeasuredHeight();
mTouchableRegion.set(
(int) mContentContainer.getX(),
(int) mContentContainer.getY(),
(int) mContentContainer.getX() + width,
(int) mContentContainer.getY() + height);
}
/** 滚动到起始位置 */
public void scrollOrigin() {
parentViewSliding(
(int) parentView.getX(),
0,
parentView,
500l,
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
parentViewScrollX = 0;
}
});
}
/**
* Opens the floating toolbar overflow. This method should not be called if menu items have not
* been laid out with {@link #layoutMenuItems(java.util.List, MenuItem.OnMenuItemClickListener,
* int)}.
*
* @throws IllegalStateException if called when menu items have not been laid out.
*/
private void openOverflow() {
Preconditions.checkState(mMainPanel != null);
Preconditions.checkState(mOverflowPanel != null);
mMainPanel.fadeOut(true);
Size overflowPanelSize = mOverflowPanel.measure();
final int targetWidth = overflowPanelSize.getWidth();
final int targetHeight = overflowPanelSize.getHeight();
final boolean morphUpwards = (mOverflowDirection == OVERFLOW_DIRECTION_UP);
final int startWidth = mContentContainer.getWidth();
final int startHeight = mContentContainer.getHeight();
final float startY = mContentContainer.getY();
final float right = mContentContainer.getX() + mContentContainer.getWidth();
Animation widthAnimation =
new Animation() {
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
ViewGroup.LayoutParams params = mContentContainer.getLayoutParams();
int deltaWidth = (int) (interpolatedTime * (targetWidth - startWidth));
params.width = startWidth + deltaWidth;
mContentContainer.setLayoutParams(params);
mContentContainer.setX(right - mContentContainer.getWidth());
}
};
Animation heightAnimation =
new Animation() {
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
ViewGroup.LayoutParams params = mContentContainer.getLayoutParams();
int deltaHeight = (int) (interpolatedTime * (targetHeight - startHeight));
params.height = startHeight + deltaHeight;
mContentContainer.setLayoutParams(params);
if (morphUpwards) {
float y = startY - (mContentContainer.getHeight() - startHeight);
mContentContainer.setY(y);
}
}
};
widthAnimation.setDuration(240);
heightAnimation.setDuration(180);
heightAnimation.setStartOffset(60);
mOpenOverflowAnimation.getAnimations().clear();
mOpenOverflowAnimation.setAnimationListener(mOnOverflowOpened);
mOpenOverflowAnimation.addAnimation(widthAnimation);
mOpenOverflowAnimation.addAnimation(heightAnimation);
mContentContainer.startAnimation(mOpenOverflowAnimation);
}
/** 滚动出界面 */
private void scrollRight() {
parentViewSliding(
(int) parentView.getX(),
viewWidth,
parentView,
500l,
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
onLeftViewExtended();
if (onSildingFinishListener != null) {
onSildingFinishListener.onSildingFinish();
}
}
});
}
private void changeListView() {
int visiblePosition = leftView.getFirstVisiblePosition();
int lastVisiblePosition = leftView.getLastVisiblePosition();
int selectedItemNum = selectItemPosition - visiblePosition;
// Log.d("LogonActivity", String.format("SildingLayout：visiblePosition:%d ,lastVisiblePosition
// %d",visiblePosition,lastVisiblePosition));
for (int i = 0; i <= lastVisiblePosition - visiblePosition; i++) // 获取ListView的所有Item数目
{
// LinearLayout linearlayout = (LinearLayout)mListView.getChildAt(i);
View view = leftView.getChildAt(i);
if (view != null && view.getTag() != null) {
LeftViewAdapter.ViewHolder holder = (LeftViewAdapter.ViewHolder) view.getTag();
// holder.textView.setText(String.valueOf(parentViewScrollX));
holder.description.setAlpha(Math.abs(parentView.getX()) / viewWidth);
if (i == selectedItemNum) {
holder.textView.setText("我被选中了！");
}
}
}
}