Ram*_*h R 6 android listview expandablelistview swipe-gesture
我正在创建的应用程序有一个可扩展的列表视图,其中我添加了滑动选项以进行编辑和删除.我已经添加了这些选项但是当我运行应用程序时它不会显示滑动选项,即使我已尝试过另一个列表视图,但它工作正常.我已经在基础适配器中使用了滑动选项,任何人都可以告诉我为什么滑动功能在可扩展列表视图中不起作用.
Expandablelistview:
public class ExpandableHeightListView extends ListView {
private static final int TOUCH_STATE_NONE = 0;
private static final int TOUCH_STATE_X = 1;
private static final int TOUCH_STATE_Y = 2;
public static final int DIRECTION_LEFT = 1;
public static final int DIRECTION_RIGHT = -1;
private int mDirection = 1;//swipe from right to left by default
private int MAX_Y = 5;
private int MAX_X = 3;
private float mDownX;
private float mDownY;
private int mTouchState;
private int mTouchPosition;
private DaybookSwipeMenuLayout mTouchView;
private OnSwipeListener mOnSwipeListener;
private DaybookSwipeMenuCreator mMenuCreator;
private OnMenuItemClickListener mOnMenuItemClickListener;
private OnMenuStateChangeListener mOnMenuStateChangeListener;
private Interpolator mCloseInterpolator;
private Interpolator mOpenInterpolator;
boolean expanded = false;
public ExpandableHeightListView(Context context) {
super(context);
init();
}
public ExpandableHeightListView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public ExpandableHeightListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
private void init() {
MAX_X = dp2px(MAX_X);
MAX_Y = dp2px(MAX_Y);
mTouchState = TOUCH_STATE_NONE;
}
public boolean isExpanded() {
return expanded;
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (isExpanded()) {
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
public void setExpanded(boolean expanded) {
this.expanded = expanded;
}
@Override
public void setAdapter(ListAdapter adapter) {
super.setAdapter(new DaybookSwipeMenuAdapter(getContext(), adapter) {
@Override
public void createMenu(DaybookSwipeMenu menu) {
if (mMenuCreator != null) {
mMenuCreator.create(menu);
}
}
@Override
public void onItemClick(DaybookSwipeMenuView view, DaybookSwipeMenu menu,
int index) {
boolean flag = false;
if (mOnMenuItemClickListener != null) {
flag = mOnMenuItemClickListener.onMenuItemClick(
view.getPosition(), menu, index);
}
if (mTouchView != null && !flag) {
mTouchView.smoothCloseMenu();
}
}
});
}
public void setCloseInterpolator(Interpolator interpolator) {
mCloseInterpolator = interpolator;
}
public void setOpenInterpolator(Interpolator interpolator) {
mOpenInterpolator = interpolator;
}
public Interpolator getOpenInterpolator() {
return mOpenInterpolator;
}
public Interpolator getCloseInterpolator() {
return mCloseInterpolator;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
//??????????????????????swip????????????????
int action = ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
mDownX = ev.getX();
mDownY = ev.getY();
boolean handled = super.onInterceptTouchEvent(ev);
mTouchState = TOUCH_STATE_NONE;
mTouchPosition = pointToPosition((int) ev.getX(), (int) ev.getY());
View view = getChildAt(mTouchPosition - getFirstVisiblePosition());
//???????? ??????????????open??
if (view instanceof DaybookSwipeMenuLayout) {
//?????? ???.
if (mTouchView != null && mTouchView.isOpen() && !inRangeOfView(mTouchView.getMenuView(), ev)) {
return true;
}
mTouchView = (DaybookSwipeMenuLayout) view;
mTouchView.setSwipeDirection(mDirection);
}
//???????view
if (mTouchView != null && mTouchView.isOpen() && view != mTouchView) {
handled = true;
}
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
return handled;
case MotionEvent.ACTION_MOVE:
float dy = Math.abs((ev.getY() - mDownY));
float dx = Math.abs((ev.getX() - mDownX));
if (Math.abs(dy) > MAX_Y || Math.abs(dx) > MAX_X) {
//?????down??????????TOUCH_STATE_NONE ????true???onTouchEvent ?????????
if (mTouchState == TOUCH_STATE_NONE) {
if (Math.abs(dy) > MAX_Y) {
mTouchState = TOUCH_STATE_Y;
} else if (dx > MAX_X) {
mTouchState = TOUCH_STATE_X;
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeStart(mTouchPosition);
}
}
}
return true;
}
}
return super.onInterceptTouchEvent(ev);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (ev.getAction() != MotionEvent.ACTION_DOWN && mTouchView == null)
return super.onTouchEvent(ev);
int action = ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
int oldPos = mTouchPosition;
mDownX = ev.getX();
mDownY = ev.getY();
mTouchState = TOUCH_STATE_NONE;
mTouchPosition = pointToPosition((int) ev.getX(), (int) ev.getY());
if (mTouchPosition == oldPos && mTouchView != null
&& mTouchView.isOpen()) {
mTouchState = TOUCH_STATE_X;
mTouchView.onSwipe(ev);
return true;
}
View view = getChildAt(mTouchPosition - getFirstVisiblePosition());
if (mTouchView != null && mTouchView.isOpen()) {
mTouchView.smoothCloseMenu();
mTouchView = null;
// return super.onTouchEvent(ev);
// try to cancel the touch event
MotionEvent cancelEvent = MotionEvent.obtain(ev);
cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
onTouchEvent(cancelEvent);
if (mOnMenuStateChangeListener != null) {
mOnMenuStateChangeListener.onMenuClose(oldPos);
}
return true;
}
if (view instanceof DaybookSwipeMenuLayout) {
mTouchView = (DaybookSwipeMenuLayout) view;
mTouchView.setSwipeDirection(mDirection);
}
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
break;
case MotionEvent.ACTION_MOVE:
//?????header,???header???
mTouchPosition = pointToPosition((int) ev.getX(), (int) ev.getY()) - getHeaderViewsCount();
//?????????????????????mTouchView???????????????swip?view
//???mTouchView swip ? ????????????????view
if (!mTouchView.getSwipEnable() || mTouchPosition != mTouchView.getPosition()) {
break;
}
float dy = Math.abs((ev.getY() - mDownY));
float dx = Math.abs((ev.getX() - mDownX));
if (mTouchState == TOUCH_STATE_X) {
if (mTouchView != null) {
mTouchView.onSwipe(ev);
}
getSelector().setState(new int[]{0});
ev.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(ev);
return true;
} else if (mTouchState == TOUCH_STATE_NONE) {
if (Math.abs(dy) > MAX_Y) {
mTouchState = TOUCH_STATE_Y;
} else if (dx > MAX_X) {
mTouchState = TOUCH_STATE_X;
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeStart(mTouchPosition);
}
}
}
break;
case MotionEvent.ACTION_UP:
if (mTouchState == TOUCH_STATE_X) {
if (mTouchView != null) {
boolean isBeforeOpen = mTouchView.isOpen();
mTouchView.onSwipe(ev);
boolean isAfterOpen = mTouchView.isOpen();
if (isBeforeOpen != isAfterOpen && mOnMenuStateChangeListener != null) {
if (isAfterOpen) {
mOnMenuStateChangeListener.onMenuOpen(mTouchPosition);
} else {
mOnMenuStateChangeListener.onMenuClose(mTouchPosition);
}
}
if (!isAfterOpen) {
mTouchPosition = -1;
mTouchView = null;
}
}
if (mOnSwipeListener != null) {
mOnSwipeListener.onSwipeEnd(mTouchPosition);
}
ev.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(ev);
return true;
}
break;
}
return super.onTouchEvent(ev);
}
public void smoothOpenMenu(int position) {
if (position >= getFirstVisiblePosition()
&& position <= getLastVisiblePosition()) {
View view = getChildAt(position - getFirstVisiblePosition());
if (view instanceof DaybookSwipeMenuLayout) {
mTouchPosition = position;
if (mTouchView != null && mTouchView.isOpen()) {
mTouchView.smoothCloseMenu();
}
mTouchView = (DaybookSwipeMenuLayout) view;
mTouchView.setSwipeDirection(mDirection);
mTouchView.smoothOpenMenu();
}
}
}
public void smoothCloseMenu(){
if (mTouchView != null && mTouchView.isOpen()) {
mTouchView.smoothCloseMenu();
}
}
private int dp2px(int dp) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
getContext().getResources().getDisplayMetrics());
}
public void setMenuCreator(DaybookSwipeMenuCreator menuCreator) {
this.mMenuCreator = menuCreator;
}
public void setOnMenuItemClickListener(
OnMenuItemClickListener onMenuItemClickListener) {
this.mOnMenuItemClickListener = onMenuItemClickListener;
}
public void setOnSwipeListener(OnSwipeListener onSwipeListener) {
this.mOnSwipeListener = onSwipeListener;
}
public void setOnMenuStateChangeListener(OnMenuStateChangeListener onMenuStateChangeListener) {
mOnMenuStateChangeListener = onMenuStateChangeListener;
}
public static interface OnMenuItemClickListener {
boolean onMenuItemClick(int position, DaybookSwipeMenu menu, int index);
}
public static interface OnSwipeListener {
void onSwipeStart(int position);
void onSwipeEnd(int position);
}
public static interface OnMenuStateChangeListener {
void onMenuOpen(int position);
void onMenuClose(int position);
}
public void setSwipeDirection(int direction) {
mDirection = direction;
}
/**
* ???????????view?
*
* @param view
* @param ev
* @return
*/
public static boolean inRangeOfView(View view, MotionEvent ev) {
int[] location = new int[2];
view.getLocationOnScreen(location);
int x = location[0];
int y = location[1];
if (ev.getRawX() < x || ev.getRawX() > (x + view.getWidth()) || ev.getRawY() < y || ev.getRawY() > (y + view.getHeight())) {
return false;
}
return true;
}
具有滑动列表选项的BaseAdapter类:
public class Daybook_adapter extends BaseAdapter {
Context context;
ArrayList<Daybook> entriesdaybook;
ArrayList<Daybooklist> daybooklists;
Daybooklist_adapter adapter;
DatabaseHandler databaseHandler;
LinearLayout emptyy;
double totalamountin=0.0;
ExpandableHeightListView daybookdetailviewlist;
public Daybook_adapter(Context context, ArrayList<Daybook> list) {
this.context = context;
entriesdaybook = list;
}
@Override
public int getCount() {
return entriesdaybook.size();
}
@Override
public Object getItem(int position) {
return entriesdaybook.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup arg2) {
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.model_daybook, null);
}
Daybook m = entriesdaybook.get(position);
final TextView tv_date = (TextView) convertView.findViewById(R.id.tv_daybook_date);
final TextView tv_cashin = (TextView) convertView.findViewById(R.id.tv_daybook_cashin);
final TextView tv_cashout = (TextView) convertView.findViewById(R.id.tv_daybook_cashout);
final TextView tv_totalamt = (TextView)convertView.findViewById(R.id.daybook_total_amt);
//final String s = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
String s = m.getDate();
emptyy = (LinearLayout) convertView.findViewById(R.id.empty);
daybookdetailviewlist = (ExpandableHeightListView) convertView.findViewById(R.id.detaillist_daybook);
String[] spiliter = s.split("-");
String year = spiliter[0];
String month = spiliter[1];
String date = spiliter[2];
if (month.startsWith("01")) {
tv_date.setText(date + "Jan" + year);
} else if (month.startsWith("02")) {
tv_date.setText(date + "Feb" + year);
} else if (month.startsWith("03")) {
tv_date.setText(date + "Mar" + year);
} else if (month.startsWith("04")) {
tv_date.setText(date + "Apr" + year);
} else if (month.startsWith("05")) {
tv_date.setText(date + "May" + year);
} else if (month.startsWith("06")) {
tv_date.setText(date + "Jun" + year);
} else if (month.startsWith("07")) {
tv_date.setText(date + "Jul" + year);
} else if (month.startsWith("08")) {
tv_date.setText(date + "Aug" + year);
} else if (month.startsWith("09")) {
tv_date.setText(date + "Sep" + year);
} else if (month.startsWith("10")) {
tv_date.setText(date + "Oct" + year);
} else if (month.startsWith("11")) {
tv_date.setText(date + "Nov" + year);
} else if (month.startsWith("12")) {
tv_date.setText(date + "Dec" + year);
}
/* if (m.getUsertype().startsWith("singleworker")) {
tv_cashin.setText("\u20B9" + "0");
} else if (m.getUsertype().startsWith("groupworker")) {
tv_cashin.setText("\u20B9" + "0");
}*/
tv_cashin.setText("\u20B9" + m.getCashin());
tv_cashout.setText("\u20B9" + m.getCashout());
double one = Double.parseDouble(m.getCashin());
double two = Double.parseDouble(m.getCashout());
double three = one+two;
tv_totalamt.setText("\u20B9" +String.valueOf(three) );
databaseHandler = new DatabaseHandler(context);
daybooklists = databaseHandler.getAllDaywisedaybookdetails(s);
adapter = new Daybooklist_adapter((Activity) context, daybooklists);
if (adapter != null) {
if (adapter.getCount() > 0) {
emptyy.setVisibility(View.GONE);
daybookdetailviewlist.setAdapter(adapter);
DaybookSwipeMenuCreator creator = new DaybookSwipeMenuCreator() {
@Override
public void create(DaybookSwipeMenu menu) {
// create "open" item
DaybookSwipeMenuItem openItem = new DaybookSwipeMenuItem(
(Activity) context);
// set item background
openItem.setBackground(R.color.colorPrimary);
// set item width
openItem.setWidth(dp2px(90));
// set item title
openItem.setIcon(context.getResources().getDrawable(R.drawable.pencil));
openItem.setTitle("Edit");
// set item title fontsize
openItem.setTitleSize(15);
// set item title font color
openItem.setTitleColor(Color.WHITE);
// add to menu
menu.addMenuItem(openItem);
// create "delete" item
DaybookSwipeMenuItem deleteItem = new DaybookSwipeMenuItem(
(Activity) context);
// set item background
deleteItem.setBackground(R.color.colorPrimaryDark);
// set item width
deleteItem.setWidth(dp2px(90));
// set a icon
deleteItem.setIcon(context.getResources().getDrawable(R.drawable.delete));
deleteItem.setTitle("Delete");
deleteItem.setTitleSize(15);
deleteItem.setTitleColor(Color.WHITE);
// add to menu
menu.addMenuItem(deleteItem);
}
};
daybookdetailviewlist.setMenuCreator(creator);
final ArrayList<Daybooklist> finalListet = daybooklists;
daybookdetailviewlist.setOnMenuItemClickListener(new ExpandableHeightListView.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(final int position, DaybookSwipeMenu menu, int index) {
// Coconuttype item = finalListet.get(position);
// final String farmername = finalListet.get(position).getFarmername();
// final String farmermobno = finalListet.get(position).getFarmermobno();
// final String farmerlocation = finalListet.get(position).getFarmerlocation();
switch (index) {
case 0:
// open
// open(item);
// String farmername = finalListet.get(position).getFarmername();
// String farmermobno = finalListet.get(position).getFarmermobno();
// String farmerlocation =finalListet.get(position).getFarmerlocation();
Log.e("Editclicked", "edt");
// Log.e("farmername", farmername);
// Log.e("farmermobno", farmermobno);
// Log.e("farmerlocation", farmerlocation);
/* Intent k = new Intent(context, FarmerEdit_Activity.class);
k.putExtra("farmername", farmername);
k.putExtra("farmermobno", farmermobno);
k.putExtra("farmerlocation", farmerlocation);
context.startActivity(k);*/
break;
case 1:
// delete
//delete(item);
Log.e("Deleteclicked", "del");
AlertDialog.Builder alert = new AlertDialog.Builder(
context);
alert.setTitle("Delete");
alert.setMessage("Are you sure to delete ");
alert.setPositiveButton(context.getResources().getString(R.string.yes), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//do your work here
finalListet.remove(position);
//databaseHandlerOtherChgs.deleteCoconut(item.getCoconuttype());
// Log.e("farmername", farmername);
// Log.e("farmermobno", farmermobno);
// Log.e("farmerlocation", farmerlocation);
/* databasehandler.deletefarmercontacts(farmername, farmermobno);
databasehandler.deletedaybookdetails(farmername, farmermobno);
databasehandler.deletefarmeradvance(farmername, farmermobno);
databasehandler.deletefarmerbillbookdetails(farmername, farmermobno);
databasehandler.deletefarmertradedetails(farmername, farmermobno);
fadapter.notifyDataSetChanged();
Intent k = getIntent();
finish();
startActivity(k);*/
}
});
alert.setNegativeButton(context.getResources().getString(R.string.no), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
alert.show();
/* finalListet.remove(position);
databaseHandlerOtherChgs.deleteCoconut(item.getCoconuttype());
adapter.notifyDataSetChanged();
Intent k = getIntent();
finish();
startActivity(k);*/
break;
}
return false;
}
});
// set SwipeListener
daybookdetailviewlist.setOnSwipeListener(new ExpandableHeightListView.OnSwipeListener() {
@Override
public void onSwipeStart(int position) {
// swipe start
}
@Override
public void onSwipeEnd(int position) {
// swipe end
}
});
// set MenuStateChangeListener
daybookdetailviewlist.setOnMenuStateChangeListener(new ExpandableHeightListView.OnMenuStateChangeListener() {
@Override
public void onMenuOpen(int position) {
}
@Override
public void onMenuClose(int position) {
}
});
}
}else {
daybookdetailviewlist.setEmptyView(emptyy);
}
daybookdetailviewlist.setExpanded(true);
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//todo disable the comments for farmer individual transaction
}
});
return convertView;
}
private int dp2px(int dp) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
context.getResources().getDisplayMetrics());
}
public void setTransactionList(ArrayList<Daybook> newList) {
entriesdaybook = newList;
notifyDataSetChanged();
}
}
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