auroral.widget.view.album.utils

类 PictureFileUtils

java.lang.Object

auroral.widget.view.album.utils.PictureFileUtils

public class PictureFileUtils
extends java.lang.Object

author：luck project：PictureSelector package：com.luck.picture.lib.tools email：893855882@qq.com data：2017/5/30

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	APP_NAME
static java.lang.String	CAMERA_PATH
static java.lang.String	CROP_PATH
static java.lang.String	POST_VIDEO
static java.lang.String	POSTFIX

方法概要

限定符和类型	方法和说明
static boolean	copyAudioFile(java.lang.String pathFrom, java.lang.String pathTo) Copies one file into the other with the given paths.
static void	copyFile(java.lang.String pathFrom, java.lang.String pathTo) Copies one file into the other with the given paths.
static java.io.File	createCameraFile(android.content.Context context, int type, java.lang.String outputCameraPath, java.lang.String format)
static java.io.File	createCropFile(android.content.Context context, int type, java.lang.String format)
static java.lang.String	createDir(android.content.Context context, java.lang.String filename, java.lang.String directory_path) 创建文件夹
static void	deleteCacheDirFile(android.content.Context mContext) set empty PictureSelector Cache
static void	deleteExternalCacheDirFile(android.content.Context mContext) set empty PictureSelector Cache
static boolean	deleteFile(java.lang.String path) delete file
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	getDCIMCameraPath()
static java.util.List<java.lang.String>	getDirFiles(java.lang.String dir) 获取某目录下所有文件路径
static java.lang.String	getDiskCacheDir(android.content.Context context)
static java.lang.String	getPath(android.content.Context context, android.net.Uri uri) Get a file path from a Uri.
static java.io.File	getPhotoCacheDir(android.content.Context context, java.io.File file)
static int	isDamage(java.lang.String path) image is Damage
static boolean	isDownloadsDocument(android.net.Uri uri)
static boolean	isExternalStorageDocument(android.net.Uri uri)
static boolean	isGooglePhotosUri(android.net.Uri uri)
static boolean	isMediaDocument(android.net.Uri uri)
static int	readPictureDegree(java.lang.String path) 读取图片属性：旋转的角度
static android.graphics.Bitmap	rotaingImageView(int angle, android.graphics.Bitmap bitmap)
static void	saveBitmapFile(android.graphics.Bitmap bitmap, java.io.File file)
static android.graphics.Bitmap	toRoundBitmap(android.graphics.Bitmap bitmap) 转换图片成圆形

从类继承的方法 java.lang.Object

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

字段详细资料

POSTFIX

public static final java.lang.String POSTFIX

另请参阅:

常量字段值

POST_VIDEO

public static final java.lang.String POST_VIDEO

另请参阅:

常量字段值

APP_NAME

public static final java.lang.String APP_NAME

另请参阅:

常量字段值

CAMERA_PATH

public static final java.lang.String CAMERA_PATH

另请参阅:

常量字段值

CROP_PATH

public static final java.lang.String CROP_PATH

另请参阅:

常量字段值

方法详细资料

createCameraFile

public static java.io.File createCameraFile(android.content.Context context,
                                            int type,
                                            java.lang.String outputCameraPath,
                                            java.lang.String format)

参数:

context -

type -

outputCameraPath -

format -

返回:

createCropFile

public static java.io.File createCropFile(android.content.Context context,
                                          int type,
                                          java.lang.String format)

参数:

context -

type -

format -

返回:

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.

isGooglePhotosUri

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

参数:

uri - The Uri to check.

返回:

Whether the Uri authority is Google Photos.

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.

getPhotoCacheDir

public static java.io.File getPhotoCacheDir(android.content.Context context,
                                            java.io.File file)

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.

Callers should check whether the path is local before assuming it represents a local file.

参数:

context - The context.

uri - The Uri to query.

copyFile

public static void copyFile(java.lang.String pathFrom,
                            java.lang.String pathTo)
                     throws java.io.IOException

Copies one file into the other with the given paths. In the event that the paths are the same, trying to copy one file to the other will cause both files to become null. Simply skipping this step if the paths are identical.

抛出:

java.io.IOException

copyAudioFile

public static boolean copyAudioFile(java.lang.String pathFrom,
                                    java.lang.String pathTo)
                             throws java.io.IOException

Copies one file into the other with the given paths. In the event that the paths are the same, trying to copy one file to the other will cause both files to become null. Simply skipping this step if the paths are identical.

抛出:

java.io.IOException

readPictureDegree

public static int readPictureDegree(java.lang.String path)

读取图片属性：旋转的角度

参数:

path - 图片绝对路径

返回:

degree旋转的角度

rotaingImageView

public static android.graphics.Bitmap rotaingImageView(int angle,
                                                       android.graphics.Bitmap bitmap)

saveBitmapFile

public static void saveBitmapFile(android.graphics.Bitmap bitmap,
                                  java.io.File file)

toRoundBitmap

public static android.graphics.Bitmap toRoundBitmap(android.graphics.Bitmap bitmap)

转换图片成圆形

参数:

bitmap - 传入Bitmap对象

返回:

createDir

public static java.lang.String createDir(android.content.Context context,
                                         java.lang.String filename,
                                         java.lang.String directory_path)

创建文件夹

参数:

filename -

返回:

isDamage

public static int isDamage(java.lang.String path)

image is Damage

参数:

path -

返回:

getDirFiles

public static java.util.List<java.lang.String> getDirFiles(java.lang.String dir)

获取某目录下所有文件路径

参数:

dir -

getDCIMCameraPath

public static java.lang.String getDCIMCameraPath()

deleteCacheDirFile

public static void deleteCacheDirFile(android.content.Context mContext)

set empty PictureSelector Cache

参数:

mContext -

deleteExternalCacheDirFile

public static void deleteExternalCacheDirFile(android.content.Context mContext)

set empty PictureSelector Cache

参数:

mContext -

deleteFile

public static boolean deleteFile(java.lang.String path)

delete file

参数:

path -

getDiskCacheDir

public static java.lang.String getDiskCacheDir(android.content.Context context)

参数:

context -

返回: