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ohos-abstractadapter.md 5.71 KB

# OHOS::AbstractAdapter<a name="EN-US_TOPIC_0000001055518108"></a>

## **Overview**<a name="section1985521876093533"></a>

**Related Modules:**

[Graphic](graphic.md)

**Description:**

Defines the base class for adapters. You can derive  **[AbstractAdapter](ohos-abstractadapter.md)**  based on actual requirements and use the  **[GetView\(\)](graphic.md#gab155b2f4a6d8fd97755dcd1e6d3d8361)**  and  **[GetCount\(\)](graphic.md#ga67021b360d4097c475d5e24519b5276d)**  functions to implement adapters of different data types. For details, see  [TextAdapter](ohos-textadapter.md).

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section345035747093533"></a>

## Public Member Functions<a name="pub-methods"></a>

<a name="table1578808003093533"></a>
<table><thead align="left"><tr id="row735833963093533"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><a name="p885980295093533"></a><a name="p885980295093533"></a>Public Member Function Name
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><a name="p434818331093533"></a><a name="p434818331093533"></a>Description
</th>
</tr>
</thead>
<tbody><tr id="row241611107093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p48801785093533"></a><a name="p48801785093533"></a><a href="graphic.md#gab60e1c77fb98352bd62e56b550d75d88">AbstractAdapter</a> ()
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p840015877093533"></a><a name="p840015877093533"></a> 
<a name="p1597125587093533"></a><a name="p1597125587093533"></a>A constructor used to create an <a name="b661669589093533"></a><a name="b661669589093533"></a><a href="ohos-abstractadapter.md">AbstractAdapter</a> instance. 
</td>
</tr>
<tr id="row418572021093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1189659860093533"></a><a name="p1189659860093533"></a><a href="graphic.md#ga86fbbc62904d459ec4fa39bab7703af7">~AbstractAdapter</a> ()
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p1628944438093533"></a><a name="p1628944438093533"></a>virtual 
<a name="p237976538093533"></a><a name="p237976538093533"></a>A destructor used to delete the <a name="b1272221002093533"></a><a name="b1272221002093533"></a><a href="ohos-abstractadapter.md">AbstractAdapter</a> instance. 
</td>
</tr>
<tr id="row499675889093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1522038674093533"></a><a name="p1522038674093533"></a><a href="graphic.md#ga67021b360d4097c475d5e24519b5276d">GetCount</a> ()=0
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p1698568987093533"></a><a name="p1698568987093533"></a>virtual uint16_t 
<a name="p1012448790093533"></a><a name="p1012448790093533"></a>Obtains the number of adapter data items. 
</td>
</tr>
<tr id="row610788760093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1431582946093533"></a><a name="p1431582946093533"></a><a href="graphic.md#gab155b2f4a6d8fd97755dcd1e6d3d8361">GetView</a> (<a href="ohos-uiview.md">UIView</a> *inView, int16_t <a href="en-us_topic_0000001055198076.md#ga1d3748ca570dcb09a2fb28e8015107dd">index</a>)=0
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p2109236995093533"></a><a name="p2109236995093533"></a>virtual <a href="ohos-uiview.md">UIView</a> * 
<a name="p2050524629093533"></a><a name="p2050524629093533"></a>Obtains a <a name="b860580476093533"></a><a name="b860580476093533"></a><a href="ohos-uiview.md">UIView</a> instance to convert adapter data into another <a name="b11733876093533"></a><a name="b11733876093533"></a><a href="ohos-uiview.md">UIView</a> instance. 
</td>
</tr>
<tr id="row334880872093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p275260853093533"></a><a name="p275260853093533"></a><a href="graphic.md#ga4854963aa969ee20a6cd174a70f5cd23">operator new</a> (size_t size)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p1798350128093533"></a><a name="p1798350128093533"></a>void * 
<a name="p891662716093533"></a><a name="p891662716093533"></a>Overrides the <a name="b1196775009093533"></a><a name="b1196775009093533"></a>new function. 
</td>
</tr>
<tr id="row857805059093533"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1697671160093533"></a><a name="p1697671160093533"></a><a href="graphic.md#gadf1997a0f56ac2b220e7f0f8e8e0a6ef">operator delete</a> (void *p)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p236392886093533"></a><a name="p236392886093533"></a>void 
<a name="p1554890618093533"></a><a name="p1554890618093533"></a>Overrides the <a name="b349961370093533"></a><a name="b349961370093533"></a>delete function. 
</td>
</tr>
</tbody>
</table>

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

OHOS::AbstractAdapter

Overview

Related Modules:

Graphic

Description:

Defines the base class for adapters. You can derive AbstractAdapter based on actual requirements and use the GetView() and GetCount() functions to implement adapters of different data types. For details, see TextAdapter.

Since:

1.0

Version:

1.0

Summary

Public Member Functions

Public Member Function Name	Description
AbstractAdapter ()	A constructor used to create an AbstractAdapter instance.
~AbstractAdapter ()	virtual A destructor used to delete the AbstractAdapter instance.
GetCount ()=0	virtual uint16_t Obtains the number of adapter data items.
GetView (UIView *inView, int16_t index)=0	virtual UIView * Obtains a UIView instance to convert adapter data into another UIView instance.
operator new (size_t size)	void * Overrides the new function.
operator delete (void *p)	void Overrides the delete function.

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OHOS::AbstractAdapter

Overview

Summary

Public Member Functions

简介

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OHOS::AbstractAdapter

Overview

Summary

Public Member Functions

简介

发行版

贡献者

近期动态

搜索帮助

OpenHarmony_EU incubator / docs