AbstractExpandableItemAdapter
extends RecyclerView.Adapter<VH extends RecyclerView.ViewHolder>implements ExpandableItemAdapter<GVH extends RecyclerView.ViewHolder, CVH extends RecyclerView.ViewHolder>
| java.lang.Object | ||
| ↳ | android.support.v7.widget.RecyclerView.Adapter<VH extends android.support.v7.widget.RecyclerView.ViewHolder> | |
| ↳ | com.h6ah4i.android.widget.advrecyclerview.utils.AbstractExpandableItemAdapter<GVH extends android.support.v7.widget.RecyclerView.ViewHolder, CVH extends android.support.v7.widget.RecyclerView.ViewHolder> | |
Summary
| Public Constructors | |||||||||||
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| AbstractExpandableItemAdapter() | |||||||||||
| Public Methods | |||||||||||
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| int |
getChildItemViewType(int groupPosition, int childPosition)
Gets the view type of the specified child.
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| int |
getGroupItemViewType(int groupPosition)
Gets the view type of the specified group.
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| boolean |
getInitialGroupExpandedState(int groupPosition)
Gets initial expanded state of the group item.
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| final int |
getItemCount()
This method will not be called.
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| final long |
getItemId(int position)
This method will not be called.
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| final int |
getItemViewType(int position)
This method will not be called.
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| void |
onBindChildViewHolder(CVH holder, int groupPosition, int childPosition, int viewType, List<Object> payloads)
Called by RecyclerView to display the child data at the specified position.
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| void |
onBindGroupViewHolder(GVH holder, int groupPosition, int viewType, List<Object> payloads)
Called by RecyclerView to display the group data at the specified position.
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| final void |
onBindViewHolder(RecyclerView.ViewHolder holder, int position)
This method will not be called.
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| final RecyclerView.ViewHolder |
onCreateViewHolder(ViewGroup parent, int viewType)
This method will not be called.
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| boolean |
onHookGroupCollapse(int groupPosition, boolean fromUser, Object payload)
Override this method if need to customize the behavior.
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| boolean |
onHookGroupCollapse(int groupPosition, boolean fromUser)
Override this method if need to customize the behavior.
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| boolean |
onHookGroupExpand(int groupPosition, boolean fromUser)
Override this method if need to customize the behavior.
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| boolean |
onHookGroupExpand(int groupPosition, boolean fromUser, Object payload)
Override this method if need to customize the behavior.
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[Expand]
Inherited Methods | |||||||||||
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From class
android.support.v7.widget.RecyclerView.Adapter
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From class
java.lang.Object
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From interface
com.h6ah4i.android.widget.advrecyclerview.expandable.ExpandableItemAdapter
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Public Constructors
public AbstractExpandableItemAdapter ()
Public Methods
public int getChildItemViewType (int groupPosition, int childPosition)
Gets the view type of the specified child.
Parameters
| groupPosition | the position of the group that contains the child |
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| childPosition | the position of the child within the group for which the view type is wanted |
Returns
- integer value identifying the type of the view needed to represent the group item at position. Type codes need positive number but not be contiguous.
public int getGroupItemViewType (int groupPosition)
Gets the view type of the specified group.
Parameters
| groupPosition | the position of the group for which the view type is wanted |
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Returns
- integer value identifying the type of the view needed to represent the group item at position. Type codes need positive number but not be contiguous.
public boolean getInitialGroupExpandedState (int groupPosition)
Gets initial expanded state of the group item. This method is called when initially creating a wrapper adapter and also when the data set is changed.
Parameters
| groupPosition | The position of the group |
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Returns
- True for expanded, otherwise false.
public final int getItemCount ()
This method will not be called.
Override getGroupCount() and getChildCount(int) instead.
Returns
- 0
public final long getItemId (int position)
This method will not be called.
Override getGroupId(int) and getChildId(int, int) instead.
Parameters
| position | not used |
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Returns
public final int getItemViewType (int position)
This method will not be called.
Override getGroupItemViewType(int) and getChildItemViewType(int, int) instead.
Parameters
| position | not used |
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Returns
- 0
public void onBindChildViewHolder (CVH holder, int groupPosition, int childPosition, int viewType, List<Object> payloads)
Called by RecyclerView to display the child data at the specified position.
This method should update the contents of the itemView
to reflect the item at the given position.
Parameters
| holder | The ViewHolder which should be updated to represent the contents of the item at the given position in the data set |
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| groupPosition | The position of the group item within the adapter's data set |
| childPosition | The position of the child item within the group |
| viewType | The view type code |
| payloads | A non-null list of merged payloads. Can be empty list if requires full update. |
public void onBindGroupViewHolder (GVH holder, int groupPosition, int viewType, List<Object> payloads)
Called by RecyclerView to display the group data at the specified position.
This method should update the contents of the itemView
to reflect the item at the given position.
Parameters
| holder | The ViewHolder which should be updated to represent the contents of the item at the given position in the data set |
|---|---|
| groupPosition | The position of the group item within the adapter's data set |
| viewType | The view type code |
| payloads | A non-null list of merged payloads. Can be empty list if requires full update. |
public final void onBindViewHolder (RecyclerView.ViewHolder holder, int position)
This method will not be called.
Override onBindGroupViewHolder(RecyclerView.ViewHolder, int, int) ()} and
onBindChildViewHolder(RecyclerView.ViewHolder, int, int, int) instead.
Parameters
| holder | not used |
|---|---|
| position | not used |
public final RecyclerView.ViewHolder onCreateViewHolder (ViewGroup parent, int viewType)
This method will not be called.
Override onCreateGroupViewHolder(android.view.ViewGroup, int) and
onCreateChildViewHolder(android.view.ViewGroup, int) instead.
Parameters
| parent | not used |
|---|---|
| viewType | not used |
Returns
- null
public boolean onHookGroupCollapse (int groupPosition, boolean fromUser, Object payload)
Override this method if need to customize the behavior.
Called when a group attempt to expand by user operation or by
collapseGroup(int) method.
Parameters
| groupPosition | The position of the group item within the adapter's data set |
|---|---|
| fromUser | Whether the collapse request is issued by a user operation |
| payload | Optional parameter, use null to identify a "full" update the group item |
Returns
- Whether the group can be collapsed. If returns false, the group keeps expanded.
public boolean onHookGroupCollapse (int groupPosition, boolean fromUser)
Override this method if need to customize the behavior.
Called when a group attempt to expand by user operation or by
collapseGroup(int) method.
Parameters
| groupPosition | The position of the group item within the adapter's data set |
|---|---|
| fromUser | Whether the collapse request is issued by a user operation |
Returns
- Whether the group can be collapsed. If returns false, the group keeps expanded.
public boolean onHookGroupExpand (int groupPosition, boolean fromUser)
Override this method if need to customize the behavior.
Called when a group attempt to expand by user operation or by
expandGroup(int) method.
Parameters
| groupPosition | The position of the group item within the adapter's data set |
|---|---|
| fromUser | Whether the expand request is issued by a user operation |
Returns
- Whether the group can be expanded. If returns false, the group keeps collapsed.
public boolean onHookGroupExpand (int groupPosition, boolean fromUser, Object payload)
Override this method if need to customize the behavior.
Called when a group attempt to expand by user operation or by
expandGroup(int) method.
Parameters
| groupPosition | The position of the group item within the adapter's data set |
|---|---|
| fromUser | Whether the expand request is issued by a user operation |
| payload | Optional parameter, use null to identify a "full" update the group item |
Returns
- Whether the group can be expanded. If returns false, the group keeps collapsed.