cn.com.startai.scansdk

类 Utils

java.lang.Object

cn.com.startai.scansdk.Utils

public class Utils
extends java.lang.Object

构造器概要

构造器

构造器和说明
Utils()

方法概要

限定符和类型	方法和说明
static java.lang.String	getDataColumn(android.content.Context context, android.net.Uri uri, java.lang.String selection, java.lang.String[] selectionArgs) Get the value of the data column for this Uri.
static java.lang.String	getPath(android.content.Context context, android.net.Uri uri) Get a file path from a Uri.
static boolean	isChineseCharacter(java.lang.String chineseStr)
static boolean	isDownloadsDocument(android.net.Uri uri)
static boolean	isExternalStorageDocument(android.net.Uri uri)
static boolean	isMediaDocument(android.net.Uri uri)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Utils

public Utils()

方法详细资料

isChineseCharacter

public static final boolean isChineseCharacter(java.lang.String chineseStr)

getPath

public static java.lang.String getPath(android.content.Context context,
                                       android.net.Uri uri)

Get a file path from a Uri. This will get the the path for Storage Access Framework Documents, as well as the _data field for the MediaStore and other file-based ContentProviders.

参数:

context - The context.

uri - The Uri to query.

getDataColumn

public static java.lang.String getDataColumn(android.content.Context context,
                                             android.net.Uri uri,
                                             java.lang.String selection,
                                             java.lang.String[] selectionArgs)

Get the value of the data column for this Uri. This is useful for MediaStore Uris, and other file-based ContentProviders.

参数:

context - The context.

uri - The Uri to query.

selection - (Optional) Filter used in the query.

selectionArgs - (Optional) Selection arguments used in the query.

返回:

The value of the _data column, which is typically a file path.

isExternalStorageDocument

public static boolean isExternalStorageDocument(android.net.Uri uri)

参数:

uri - The Uri to check.

返回:

Whether the Uri authority is ExternalStorageProvider.

isDownloadsDocument

public static boolean isDownloadsDocument(android.net.Uri uri)

参数:

uri - The Uri to check.

返回:

Whether the Uri authority is DownloadsProvider.

isMediaDocument

public static boolean isMediaDocument(android.net.Uri uri)

参数:

uri - The Uri to check.

返回:

Whether the Uri authority is MediaProvider.