PreviewView.ScaleType

public enum PreviewView.ScaleType

Options for scaling the preview vis-à-vis its container PreviewView.

Summary

Enum Values
FILL_CENTER

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and center it in the view.
FILL_END

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and align it to the end of the view, which is the bottom right corner in a left-to-right (LTR) layout, or the bottom left corner in a right-to-left (RTL) layout.
FILL_START

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and align it to the start of the view, which is the top left corner in a left-to-right (LTR) layout, or the top right corner in a right-to-left (RTL) layout.
FIT_CENTER

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and center it inside the view.
FIT_END

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and align it to the end of the view, which is the bottom right corner in a left-to-right (LTR) layout, or the bottom left corner in a right-to-left (RTL) layout.
FIT_START

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and align it to the start of the view, which is the top left corner in a left-to-right (LTR) layout, or the top right corner in a right-to-left (RTL) layout.

Public methods
static PreviewView.ScaleType

Returns the enum constant of this type with the specified name.
static PreviewView.ScaleType[]

Returns an array containing the constants of this enum type, in the order they're declared.

Enum Values

FILL_CENTER

PreviewView.ScaleType PreviewView.ScaleType.FILL_CENTER

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and center it in the view.

This may cause the preview to be cropped if the camera preview aspect ratio does not match that of its container PreviewView.

FILL_END

PreviewView.ScaleType PreviewView.ScaleType.FILL_END

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and align it to the end of the view, which is the bottom right corner in a left-to-right (LTR) layout, or the bottom left corner in a right-to-left (RTL) layout.

This may cause the preview to be cropped if the camera preview aspect ratio does not match that of its container PreviewView.

FILL_START

PreviewView.ScaleType PreviewView.ScaleType.FILL_START

Scale the preview, maintaining the source aspect ratio, so it fills the entire PreviewView, and align it to the start of the view, which is the top left corner in a left-to-right (LTR) layout, or the top right corner in a right-to-left (RTL) layout.

This may cause the preview to be cropped if the camera preview aspect ratio does not match that of its container PreviewView.

FIT_CENTER

PreviewView.ScaleType PreviewView.ScaleType.FIT_CENTER

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and center it inside the view. The background area not covered by the preview stream will be black or the background of the PreviewView.

Both dimensions of the preview will be equal or less than the corresponding dimensions of its container PreviewView.

FIT_END

PreviewView.ScaleType PreviewView.ScaleType.FIT_END

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and align it to the end of the view, which is the bottom right corner in a left-to-right (LTR) layout, or the bottom left corner in a right-to-left (RTL) layout. The background area not covered by the preview stream will be black or the background of the PreviewView.

Both dimensions of the preview will be equal or less than the corresponding dimensions of its container PreviewView.

FIT_START

PreviewView.ScaleType PreviewView.ScaleType.FIT_START

Scale the preview, maintaining the source aspect ratio, so it is entirely contained within the PreviewView, and align it to the start of the view, which is the top left corner in a left-to-right (LTR) layout, or the top right corner in a right-to-left (RTL) layout. The background area not covered by the preview stream will be black or the background of the PreviewView

Both dimensions of the preview will be equal or less than the corresponding dimensions of its container PreviewView.

Public methods

valueOf

Added in 1.1.0
public static PreviewView.ScaleType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns
PreviewView.ScaleType

the enum constant with the specified name
Throws
java.lang.IllegalArgumentException

if this enum type has no constant with the specified name

values

Added in 1.1.0
public static PreviewView.ScaleType[] values()

Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants.

Returns
PreviewView.ScaleType[]

an array containing the constants of this enum type, in the order they're declared