MicroUIException

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - ej.microui.MicroUIException

All Implemented Interfaces:

Serializable
```
public class MicroUIException
extends RuntimeException
```
Thrown to indicate that a method has caused an internal MicroUI error. This error is specified by an identifier and this identifier can be retrieved calling getErrorCode().

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DISPLAY_DEADLOCK` Exception thrown when trying to wait for an event in the same thread that treats events (Deadlock).
`static int`	`DRAWING_ERROR` Exception thrown if the error flag was set during a drawing operation.
`static int`	`EVENTGENERATOR_POOL_FULL` Exception thrown when the pool of `EventGenerator` is full.
`static int`	`GENERIC_EVENT_GENERATOR_INVALID_CLASSNAME` Exception thrown when generic event generator classname is unknown.
`static int`	`IMAGE_OUT_OF_MEMORY` Exception thrown when there is not enough space in images heap when creating a new image.
`static int`	`IMAGE_UNKNOWN_FORMAT` Exception thrown when the image cannot be decoded because there is no runtime decoder able to decode this kind of image.
`static int`	`IMAGE_UNSUPPORTED_FORMAT` Exception thrown if the format is not supported when creating an image or graphics context.
`static int`	`MICROUI_NOT_STARTED` Exception thrown when trying to use MicroUI APIs without starting it before.
`static int`	`NO_DISPLAY` Exception thrown when the application tries to get a `Display` whereas there is no `Display` on the platform.
`static int`	`NO_FONT` Exception thrown when the application tries to get a `Font` whereas there is no `Font` on the platform.
`static int`	`OUT_OF_EVENTS` Exception thrown when `Display`'s event serializer queue is full.
`static int`	`RESOURCE_CLOSED` Exception thrown when the application is trying to use a resource which has been closed.
`static int`	`RESOURCE_INVALID_FILE` Exception thrown when the resource content cannot be read for any reason.
`static int`	`RESOURCE_INVALID_PATH` Exception thrown when a resource cannot be retrieved.

Constructor Summary

Constructors
Constructor and Description

MicroUIException(int errorCode)
Constructs an exception with the specified error code.

Constructors
Constructor and Description
`MicroUIException(int errorCode)` Constructs an exception with the specified error code.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method and Description

int getErrorCode()
Gets the reason why the exception has been thrown.
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`getErrorCode()` Gets the reason why the exception has been thrown.

- Field Detail
  - DISPLAY_DEADLOCK
```
public static final int DISPLAY_DEADLOCK
```
    Exception thrown when trying to wait for an event in the same thread that treats events (Deadlock).
    Value -3 is assigned to DISPLAY_DEADLOCK.
    
    See Also:
    
    MicroUI.isUIThread(), MicroUI.isUIThread(Thread), Constant Field Values
  - DRAWING_ERROR
```
public static final int DRAWING_ERROR
```
    Exception thrown if the error flag was set during a drawing operation. The check is performed when the screen is flushed or when explicitly requested.
    Value -13 is assigned to DRAWING_ERROR.
    
    See Also:
    
    Constant Field Values
  - EVENTGENERATOR_POOL_FULL
```
public static final int EVENTGENERATOR_POOL_FULL
```
    Exception thrown when the pool of EventGenerator is full.
    Value -12 is assigned to EVENTGENERATOR_POOL_FULL.
    
    See Also:
    
    EventGenerator.addToSystemPool(), Constant Field Values
  - GENERIC_EVENT_GENERATOR_INVALID_CLASSNAME
```
public static final int GENERIC_EVENT_GENERATOR_INVALID_CLASSNAME
```
    Exception thrown when generic event generator classname is unknown. Please check your classpath to add the expected class.
    Value -2 is assigned to GENERIC_EVENT_GENERATOR_INVALID_CLASSNAME.
    
    See Also:
    
    Constant Field Values
  - IMAGE_OUT_OF_MEMORY
```
public static final int IMAGE_OUT_OF_MEMORY
```
    Exception thrown when there is not enough space in images heap when creating a new image.
    Value -7 is assigned to IMAGE_OUT_OF_MEMORY.
    
    See Also:
    
    Constant Field Values
  - IMAGE_UNKNOWN_FORMAT
```
public static final int IMAGE_UNKNOWN_FORMAT
```
    Exception thrown when the image cannot be decoded because there is no runtime decoder able to decode this kind of image.
    Value -8 is assigned to IMAGE_UNKNOWN_FORMAT.
    
    See Also:
    
    Constant Field Values
  - IMAGE_UNSUPPORTED_FORMAT
```
public static final int IMAGE_UNSUPPORTED_FORMAT
```
    Exception thrown if the format is not supported when creating an image or graphics context.
    Value -14 is assigned to IMAGE_UNSUPPORTED_FORMAT.
    
    See Also:
    
    BufferedImage(int, int, Format), Constant Field Values
  - MICROUI_NOT_STARTED
```
public static final int MICROUI_NOT_STARTED
```
    Exception thrown when trying to use MicroUI APIs without starting it before.
    Value -1 is assigned to MICROUI_NOT_STARTED.
    
    See Also:
    
    MicroUI.start(), MicroUI.stop(), MicroUI.isStarted(), Constant Field Values
  - NO_DISPLAY
```
public static final int NO_DISPLAY
```
    Exception thrown when the application tries to get a Display whereas there is no Display on the platform.
    Value -10 is assigned to NO_DISPLAY.
    
    See Also:
    
    Constant Field Values
  - NO_FONT
```
public static final int NO_FONT
```
    Exception thrown when the application tries to get a Font whereas there is no Font on the platform.
    Value -11 is assigned to NO_FONT.
    
    See Also:
    
    Constant Field Values
  - OUT_OF_EVENTS
```
public static final int OUT_OF_EVENTS
```
    Exception thrown when Display's event serializer queue is full. The new event cannot be added to this queue. Review the queue size or decrease the number of events added to this queue.
    Value -9 is assigned to OUT_OF_EVENTS.
    
    See Also:
    
    Constant Field Values
  - RESOURCE_CLOSED
```
public static final int RESOURCE_CLOSED
```
    Exception thrown when the application is trying to use a resource which has been closed.
    Value -6 is assigned to RESOURCE_CLOSED.
    
    See Also:
    
    Constant Field Values
  - RESOURCE_INVALID_FILE
```
public static final int RESOURCE_INVALID_FILE
```
    Exception thrown when the resource content cannot be read for any reason.
    Value -5 is assigned to RESOURCE_INVALID_FILE.
    
    See Also:
    
    Constant Field Values
  - RESOURCE_INVALID_PATH
```
public static final int RESOURCE_INVALID_PATH
```
    Exception thrown when a resource cannot be retrieved. Path must be relative to the application classpath and starts with '/'.
    Value -4 is assigned to RESOURCE_INVALID_PATH.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - MicroUIException
```
public MicroUIException(int errorCode)
```
    Constructs an exception with the specified error code.
    
    Parameters:
    
    errorCode - the exception error code
- Method Detail
  - getErrorCode
```
public int getErrorCode()
```
    Gets the reason why the exception has been thrown.
    
    Returns:
    
    the exception error code

Class MicroUIException

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Throwable

Methods inherited from class java.lang.Object

Field Detail

DISPLAY_DEADLOCK

DRAWING_ERROR

EVENTGENERATOR_POOL_FULL

GENERIC_EVENT_GENERATOR_INVALID_CLASSNAME

IMAGE_OUT_OF_MEMORY

IMAGE_UNKNOWN_FORMAT

IMAGE_UNSUPPORTED_FORMAT

MICROUI_NOT_STARTED

NO_DISPLAY

NO_FONT

OUT_OF_EVENTS

RESOURCE_CLOSED

RESOURCE_INVALID_FILE

RESOURCE_INVALID_PATH

Constructor Detail

MicroUIException

Method Detail

getErrorCode