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FilterQueryProvider

版本：Android 3.0 r1

 

结构

继承关系

public interface FilterQueryProvider

        

android.widget.FilterQueryProvider

 

类概述

这个类可以被CursorAdapter和CursorTreeAdapter用来定义如何过滤适配器的内容。

参见

runQuery(CharSequence)

 

公共方法

public abstract Cursor runQuery (CharSequence constraint)

执行指定约束条件的过滤查询。这个查询要求通过过滤器将结果附加到适配器。约定：当约束条件为null或者空时，都必须返回过滤前的原始结果。（译者注：可以在这个方法里根据条件使用Like等语句执行SQL查询）

参数

                            constraint         必须被过滤的查询约束条件

                   返回值

                            代表新查询结果的Cursor（游标）

 

补充

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