com.box.androidsdk.preview.ext

Class BoxPreviewUtils

java.lang.Object

com.box.androidsdk.preview.ext.BoxPreviewUtils

public class BoxPreviewUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
BoxPreviewUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	calculateGridViewSpacing(android.content.Context context) This function calculates spacing between gridview tiles making it dependent on device width.
static int	calculateGridViewTileSize(android.content.Context context, int columns) This function takes in dimensions of device and returns the tile size (height & width) to 90% of screen width spread over 2 columns
static int	calculateSampleSize(android.graphics.BitmapFactory.Options options, int reqWidth, int reqHeight, float scale)
static java.util.HashMap<java.lang.String,java.lang.String>	createAuthorizationHeader(BoxSession session) Creates a HashMap representation of an authorization header from a BoxSession
static android.graphics.Bitmap	decodeSampledBitmapFromStream(java.io.InputStream stream, int reqWidth, int reqHeight, float scale)
static int	getDefaultIconResource(BoxItem boxItem) Gets the default icon resource depending on what kind of boxItem is being viewed.
static java.lang.String	getExtension(BoxItem item)
static java.lang.String	getFileSize(android.content.res.Resources resources, long totalSize)
static java.lang.String	getFileSizeOutOfTotal(android.content.res.Resources resources, long numSize, long totalSize)
static java.io.InputStream	getPreviewViewThumbnailStream(BoxSession session, PreviewStorage storage, BoxFile file, boolean showFileInfo)
static int	getStatusBarHeight(android.content.Context context) Calculates the height of the status bar.
static boolean	hasOutline(PSPDFDocument document)
static boolean	isInternetAvailable(android.content.Context context) Check for an internet connection.
static byte[]	scaleBitmapBytes(android.content.Context context, byte[] bitmapBytes) Scales the bitmap down if it is larger than the screen size.
static void	setAccentColor(android.content.res.Resources res, android.widget.ProgressBar progressBar)
static boolean	streamExists(java.io.InputStream stream)
static java.lang.String	stringForTime(int timeMs)
static byte[]	toByteArray(java.io.InputStream stream)

Methods inherited from class java.lang.Object

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

Constructor Detail

BoxPreviewUtils

public BoxPreviewUtils()

Method Detail

getFileSize

public static java.lang.String getFileSize(android.content.res.Resources resources,
                           long totalSize)

getFileSizeOutOfTotal

public static java.lang.String getFileSizeOutOfTotal(android.content.res.Resources resources,
                                     long numSize,
                                     long totalSize)

createAuthorizationHeader

public static java.util.HashMap<java.lang.String,java.lang.String> createAuthorizationHeader(BoxSession session)

Creates a HashMap representation of an authorization header from a BoxSession

Parameters:

session - BoxSession to create the header with

Returns:

HashMap representation of a Box authorization header

calculateGridViewTileSize

public static int calculateGridViewTileSize(android.content.Context context,
                            int columns)

This function takes in dimensions of device and returns the tile size (height & width) to 90% of screen width spread over 2 columns

Parameters:

context - Context for accessing Window Manager, columns Number of columns in gridview

Returns:

Int Gridview height & width dimension

calculateGridViewSpacing

public static int calculateGridViewSpacing(android.content.Context context)

This function calculates spacing between gridview tiles making it dependent on device width.

Parameters:

context - Context for accessing Window Manager

Returns:

Int GridView vertical & horizontal spacing

getStatusBarHeight

public static int getStatusBarHeight(android.content.Context context)

Calculates the height of the status bar. Drawing behind the status bar is only supported from Jelly Bean onwards, so pre-Jelly Bean devices should ignore the status bar height (return 0).

Returns:

height of the status bar, in integer pixels

getExtension

public static java.lang.String getExtension(BoxItem item)

stringForTime

public static java.lang.String stringForTime(int timeMs)

isInternetAvailable

public static boolean isInternetAvailable(android.content.Context context)

Check for an internet connection.

Parameters:

context -

Returns:

whether or not there is a valid internet connection

getDefaultIconResource

public static int getDefaultIconResource(BoxItem boxItem)

Gets the default icon resource depending on what kind of boxItem is being viewed.

Parameters:

boxItem - The box item to show to user.

Returns:

an integer resource.

streamExists

public static boolean streamExists(java.io.InputStream stream)

toByteArray

public static byte[] toByteArray(java.io.InputStream stream)

decodeSampledBitmapFromStream

public static android.graphics.Bitmap decodeSampledBitmapFromStream(java.io.InputStream stream,
                                                    int reqWidth,
                                                    int reqHeight,
                                                    float scale)

calculateSampleSize

public static int calculateSampleSize(android.graphics.BitmapFactory.Options options,
                      int reqWidth,
                      int reqHeight,
                      float scale)

scaleBitmapBytes

public static byte[] scaleBitmapBytes(android.content.Context context,
                      byte[] bitmapBytes)
                               throws java.io.IOException

Scales the bitmap down if it is larger than the screen size. Otherwise it will return the original bitmap

Parameters:

bitmapBytes - bytes of bitmap to scale down if necessary

Returns:

scaled down bitmap or the original bitmap

Throws:

java.io.IOException

hasOutline

public static boolean hasOutline(PSPDFDocument document)

setAccentColor

public static void setAccentColor(android.content.res.Resources res,
                  android.widget.ProgressBar progressBar)

getPreviewViewThumbnailStream

public static java.io.InputStream getPreviewViewThumbnailStream(BoxSession session,
                                                PreviewStorage storage,
                                                BoxFile file,
                                                boolean showFileInfo)
                                                         throws BoxException,
                                                                java.io.IOException

Throws:

BoxException

java.io.IOException