io.rong.imkit.picture.tools

Class PictureFileUtils

java.lang.Object

io.rong.imkit.picture.tools.PictureFileUtils

public class PictureFileUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	POST_AUDIO
static java.lang.String	POST_VIDEO
static java.lang.String	POSTFIX

Method Summary

Modifier and Type	Method and Description
static java.io.File	createCameraFile(android.content.Context context, int type, java.lang.String fileName, java.lang.String format)
static java.lang.String	createDir(android.content.Context context, java.lang.String filename) 创建文件夹
static void	deleteAllCacheDirFile(android.content.Context context) set empty PictureSelector Cache
static void	deleteCacheDirFile(android.content.Context mContext, int type) set empty PictureSelector Cache
static java.lang.String	extSuffix(java.io.InputStream input) 获取图片后缀
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(android.content.Context ctx, java.lang.String mimeType)
static java.lang.String	getDiskCacheDir(android.content.Context ctx)
static java.lang.String	getPath(android.content.Context context, android.net.Uri uri) Get a file path from a Uri.
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 android.net.Uri	parUri(android.content.Context context, java.io.File cameraFile) 生成uri
static int	readPictureDegree(android.content.Context context, java.lang.String path) 读取图片属性：旋转的角度
static void	rotateImage(int degree, java.lang.String path) 判断拍照 图片是否旋转
static java.lang.String	rotateImageToAndroidQ(android.content.Context context, int degree, java.lang.String path, java.lang.String newFileName) 判断拍照 图片是否旋转
static android.graphics.Bitmap	rotatingImageView(int angle, android.graphics.Bitmap bitmap) 旋转Bitmap
static void	saveBitmapFile(android.graphics.Bitmap bitmap, java.io.File file)

Methods inherited from class java.lang.Object

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

Field Detail

POSTFIX

public static final java.lang.String POSTFIX

See Also:

Constant Field Values

POST_VIDEO

public static final java.lang.String POST_VIDEO

See Also:

Constant Field Values

POST_AUDIO

public static final java.lang.String POST_AUDIO

See Also:

Constant Field Values

Method Detail

createCameraFile

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

Parameters:

context -

type -

format -

Returns:

isExternalStorageDocument

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

Parameters:

uri - The Uri to check.

Returns:

Whether the Uri authority is ExternalStorageProvider.

isDownloadsDocument

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

Parameters:

uri - The Uri to check.

Returns:

Whether the Uri authority is DownloadsProvider.

isMediaDocument

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

Parameters:

uri - The Uri to check.

Returns:

Whether the Uri authority is MediaProvider.

isGooglePhotosUri

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

Parameters:

uri - The Uri to check.

Returns:

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.

Parameters:

context - The context.

uri - The Uri to query.

selection - (Optional) Filter used in the query.

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

Returns:

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

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.

Parameters:

context - The context.

uri - The Uri to query.

readPictureDegree

public static int readPictureDegree(android.content.Context context,
                                    java.lang.String path)

读取图片属性：旋转的角度

Parameters:

path - 图片绝对路径

Returns:

degree旋转的角度

rotatingImageView

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

旋转Bitmap

Parameters:

angle -

bitmap -

Returns:

saveBitmapFile

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

createDir

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

创建文件夹

Parameters:

filename -

Returns:

getDCIMCameraPath

public static java.lang.String getDCIMCameraPath(android.content.Context ctx,
                                                 java.lang.String mimeType)

deleteCacheDirFile

public static void deleteCacheDirFile(android.content.Context mContext,
                                      int type)

set empty PictureSelector Cache

Parameters:

mContext -

type - image or video ...

deleteAllCacheDirFile

public static void deleteAllCacheDirFile(android.content.Context context)

set empty PictureSelector Cache

Parameters:

context -

getDiskCacheDir

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

Parameters:

ctx -

Returns:

parUri

public static android.net.Uri parUri(android.content.Context context,
                                     java.io.File cameraFile)

生成uri

Parameters:

context -

cameraFile -

Returns:

extSuffix

public static java.lang.String extSuffix(java.io.InputStream input)

获取图片后缀

Parameters:

input -

Returns:

rotateImage

public static void rotateImage(int degree,
                               java.lang.String path)

判断拍照 图片是否旋转

Parameters:

degree -

path -

rotateImageToAndroidQ

public static java.lang.String rotateImageToAndroidQ(android.content.Context context,
                                                     int degree,
                                                     java.lang.String path,
                                                     java.lang.String newFileName)

判断拍照 图片是否旋转

Parameters:

degree -

path -