The randomaccessfile class treats a file as a stream of ________.
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A layout that places its children in a rectangular grid. The grid is composed of a set of infinitely thin lines that separate the viewing area into cells. Throughout the API, grid lines are referenced by grid indices. A grid with Row and Column Specs Children occupy one or more contiguous cells, as defined by their Default Cell Assignment If a child does not specify the row and column indices of the cell it wishes to occupy, GridLayout assigns cell locations automatically using its: Space Space between children may be specified either by using instances of the dedicated Excess Space DistributionAs of API 21, GridLayout's distribution of excess space accomodates the principle of weight. In the event that no weights are specified, the previous conventions are respected and columns and rows are taken as flexible if their views specify some form of alignment within their groups. The flexibility of a view is therefore influenced by its alignment which is, in turn, typically defined by setting the Multiple components in the same row or column group are considered to act in parallel. Such a group is flexible only if all of the components within it are flexible. Row and column groups that sit either side of a common boundary are instead considered to act in series. The composite group made of these two elements is flexible if one of its elements is flexible. To make a column stretch, make sure all of the components inside it define a weight or a gravity. To prevent a column from stretching, ensure that one of the components in the column does not define a weight or a gravity. When the principle of flexibility does not provide complete disambiguation, GridLayout's algorithms favour rows and columns that are closer to its right and bottom edges. To be more precise, GridLayout treats each of its layout parameters as a constraint in the a set of variables that define the grid-lines along a given axis. During layout, GridLayout solves the constraints so as to return the unique solution to those constraints for which all variables are less-than-or-equal-to the corresponding value in any other valid solution. Interpretation of GONE For layout purposes, GridLayout treats views whose visibility
status is These statements apply equally to rows as well as columns, and to groups of rows or columns. See Summary
XML attributesandroid:alignmentModeWhen set to alignMargins, causes alignment to take place between the outer boundary of a view, as defined by its margins. When set to alignBounds, causes alignment to take place between the edges of the view. The default is alignMargins. See Must be one of the following constant values.
Related methods:
android:columnCountThe maximum number of columns to create when automatically positioning children. May be an integer value, such as " Related methods:
android:columnOrderPreservedWhen set to true, forces column boundaries to appear in the same order as column indices. The default is true. See May be a boolean value, such as " Related methods:
android:orientationThe orientation property is not used during layout. It is only used to allocate row and column parameters when they are not specified by its children's layout paramters. GridLayout works like LinearLayout in this case; putting all the components either in a single row or in a single column - depending on the value of this flag. In the horizontal case, a columnCount property may be additionally supplied to force new rows to be created when a row is full. The rowCount attribute may be used similarly in the vertical case. The default is horizontal. Must be one of the following constant values.
Related methods:
android:rowCountThe maximum number of rows to create when automatically positioning children. May be an integer value, such as " Related methods:
android:rowOrderPreservedWhen set
to true, forces row boundaries to appear in the same order as row indices. The default is true. See May be a boolean value, such as " Related methods:
android:useDefaultMarginsWhen set to true, tells GridLayout to use default margins when none are specified in a view's layout parameters. The default value is false. See May be a boolean value, such as " Related methods:
ConstantsALIGN_BOUNDSAdded in API level 14 public static final int ALIGN_BOUNDS This constant is an For example, when See also:
Constant Value: 0 (0x00000000)
ALIGN_MARGINSAdded in API level 14 public static final int ALIGN_MARGINS This constant is an For example, when See also:
Constant Value: 1 (0x00000001) HORIZONTALAdded in API level 14 public static final int HORIZONTAL The horizontal orientation. Constant Value: 0 (0x00000000) UNDEFINEDAdded in API level 14 public static final int UNDEFINED The constant used to indicate that a value is undefined. Fields can use this value to indicate that their values have not yet been set. Similarly, methods can return this value to
indicate that there is no suitable value that the implementation can return. The value used for the constant (currently Constant Value: -2147483648 (0x80000000) VERTICALAdded in API level 14 public static final int VERTICAL The vertical orientation. Constant Value: 1 (0x00000001) FieldsBASELINEAdded in API level 14 public static final GridLayout.Alignment BASELINE Indicates that a view should be aligned with the baselines of the other views in its cell group. This constant may only be used
as an alignment in See also:
BOTTOMAdded in API level 14 public static final GridLayout.Alignment BOTTOM Indicates that a view should be aligned with the bottom edges of the other views in its cell group. CENTERAdded in API level 14 public static final GridLayout.Alignment CENTER Indicates that a view should be centered with the other views in its cell group. This constant may be used in both ENDAdded in API level 16 public static final GridLayout.Alignment END Indicates that a view should be aligned with the end edges of the other views in its cell group. FILLAdded in API level 14 public static final GridLayout.Alignment FILL Indicates that a
view should expanded to fit the boundaries of its cell group. This constant may be used in both LEFTAdded in API level 14 public static final GridLayout.Alignment LEFT Indicates that a view should be aligned with the left edges of the other views in its cell group. RIGHTAdded in API level 14 public static final GridLayout.Alignment RIGHT Indicates that a view should be aligned with the right edges of the other views in its cell group. STARTAdded in API level 16 public static final GridLayout.Alignment START Indicates that a view should be aligned with the start edges of the other views in its cell group. TOPAdded in API level 14 public static final GridLayout.Alignment TOP Indicates that a view should be aligned with the top edges of the other views in its cell group. Public constructorsGridLayoutAdded in API level 14 public GridLayout (Context context)
GridLayoutAdded in API level 14 public GridLayout (Context context, AttributeSet attrs)
GridLayoutAdded in API level 14 public GridLayout (Context context, AttributeSet attrs, int defStyleAttr)
GridLayoutAdded in API level 21 public GridLayout (Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)
Public methodsgenerateLayoutParamsAdded in API level 14 public GridLayout.LayoutParams generateLayoutParams (AttributeSet attrs) Returns a new set of layout parameters based on the supplied attributes set.
getAccessibilityClassNameAdded in API level 23 public CharSequence getAccessibilityClassName () Return the class name of this object to be used for accessibility purposes. Subclasses should only override this if they are implementing something that should be seen as a completely
new class of view when used by accessibility, unrelated to the class it is deriving from. This is used to fill in
getAlignmentModeAdded in API level 14 public int getAlignmentMode () Returns the alignment mode. Related XML Attributes:
See also:
getColumnCountAdded in API level 14 public int getColumnCount () Returns the current number of columns. This is either the last value that was set with Related XML Attributes:
See also:
getOrientationAdded in API level 14 public int getOrientation () Returns the current orientation. Related XML Attributes:
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getRowCountAdded in API level 14 public int getRowCount () Returns the current number of rows. This is either the last value that was set with Related XML Attributes:
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getUseDefaultMarginsAdded in API level 14 public boolean getUseDefaultMargins () Returns whether or not this GridLayout will allocate default margins when no corresponding layout parameters are defined. Related XML Attributes:
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isColumnOrderPreservedAdded in API level 14 public boolean isColumnOrderPreserved () Returns whether or not column boundaries are ordered by their grid indices. Related XML Attributes:
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isRowOrderPreservedAdded in API level 14 public boolean isRowOrderPreserved () Returns whether or not row boundaries are ordered by their grid indices. Related XML Attributes:
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onViewAddedAdded in API level 23 public void onViewAdded (View child) Called when a new child is added to this ViewGroup. Overrides should always call super.onViewAdded.
onViewRemovedAdded in API level 23 public void onViewRemoved (View child) Called when a child view is removed from this ViewGroup. Overrides should always call super.onViewRemoved.
requestLayoutAdded in API level 14 public void requestLayout () Call this when something has changed which has invalidated the layout of this view. This will schedule a layout pass of the view tree. This should not be called while the view hierarchy is currently in a layout pass
( Subclasses which override this method should call the superclass method to handle possible request-during-layout errors correctly. If you override this method you must call through to the superclass implementation. setAlignmentModeAdded in API level 14 public void setAlignmentMode (int alignmentMode) Sets the alignment mode to be used for all of the alignments between the children of this container. The default value of this property
is Related XML Attributes:
See also:
setColumnCountAdded in API level 14 public void setColumnCount (int columnCount) ColumnCount is used only to generate default column/column indices when they are not specified by a component's layout parameters. Related XML Attributes:
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setColumnOrderPreservedAdded in API level 14 public void setColumnOrderPreserved (boolean columnOrderPreserved) When this property is When this property is The default value of this property is Related XML Attributes:
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setOrientationAdded in API level 14 public void setOrientation (int orientation) GridLayout uses the orientation property for two purposes:
The order in which axes are laid out is important if, for example, the height of one of GridLayout's children is dependent on its width - and its width is, in turn, dependent on the widths of other components. If your layout contains a Other than the effects above, orientation does not affect the actual layout operation of GridLayout, so it's fine to leave GridLayout in The default value of this property is Related XML Attributes:
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setRowCountAdded in API level 14 public void setRowCount (int rowCount) RowCount is used only to generate default row/column indices when they are not specified by a component's layout parameters. Related XML Attributes:
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setRowOrderPreservedAdded in API level 14 public void setRowOrderPreserved (boolean rowOrderPreserved) When this property is When this property is The default value of this property is Related XML Attributes:
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setUseDefaultMarginsAdded in API level 14 public void setUseDefaultMargins (boolean useDefaultMargins) When When When setting to The default value of this property is Related XML Attributes:
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specAdded in API level 21 public static GridLayout.Spec spec (int start, float weight) Equivalent to:
specAdded in API level 14 public static GridLayout.Spec spec (int start) Return a Spec,
To leave the start index undefined, use the value
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specAdded in API level 21 public static GridLayout.Spec spec (int start, int size, GridLayout.Alignment alignment, float weight) Return a Spec,
To leave the start index
undefined, use the value
specAdded in API level 21 public static GridLayout.Spec spec (int start, GridLayout.Alignment alignment, float weight) Equivalent to:
specAdded in API level 14 public static GridLayout.Spec spec (int start, int size, GridLayout.Alignment alignment) Equivalent to:
specAdded in API level 14 public static GridLayout.Spec spec (int start, GridLayout.Alignment alignment) Return a Spec,
To leave the start index undefined, use the value
See also:
specAdded in API level 21 public static GridLayout.Spec spec (int start, int size, float weight) Equivalent to:
specAdded in API level 14 public static GridLayout.Spec spec (int start, int size) Return a Spec,
To leave the start index undefined, use the value
See also:
Protected methodscheckLayoutParamsAdded in API level 14 protected boolean checkLayoutParams (ViewGroup.LayoutParams p)
generateDefaultLayoutParamsAdded in API level 14 protected GridLayout.LayoutParams generateDefaultLayoutParams () Returns a set of default layout parameters. These parameters are requested when the View passed to
generateLayoutParamsAdded in API level 14 protected GridLayout.LayoutParams generateLayoutParams (ViewGroup.LayoutParams lp) Returns a safe set of layout parameters based on the supplied layout params. When a ViewGroup is passed a View whose layout params do not pass the test of
onLayoutAdded in API level 14 protected void onLayout (boolean changed, int left, int top, int right, int bottom) Called from layout when this view should assign a size and position to each of its children. Derived classes with children should override this method and call layout on each of their children.
onMeasureAdded in API level 14 protected void onMeasure (int widthSpec, int heightSpec) Measure the view and its content to determine the measured width and the measured height. This method is invoked by CONTRACT: When overriding this method, you must call The base class implementation of measure defaults to the background size, unless a larger size is allowed by the MeasureSpec. Subclasses should override If
this method is overridden, it is the subclass's responsibility to make sure the measured height and width are at least the view's minimum height and width (
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates. Last updated 2022-06-08 UTC. [{ "type": "thumb-down", "id": "missingTheInformationINeed", "label":"Missing the information I need" },{ "type": "thumb-down", "id": "tooComplicatedTooManySteps", "label":"Too complicated / too many steps" },{ "type": "thumb-down", "id": "outOfDate", "label":"Out of date" },{ "type": "thumb-down", "id": "samplesCodeIssue", "label":"Samples / code issue" },{ "type": "thumb-down", "id": "otherDown", "label":"Other" }] [{ "type": "thumb-up", "id": "easyToUnderstand", "label":"Easy to understand" },{ "type": "thumb-up", "id": "solvedMyProblem", "label":"Solved my problem" },{ "type": "thumb-up", "id": "otherUp", "label":"Other" }] When Deserializing an object using the readObject method you must cast the return value to the desired class type?When deserializing an object using the readObject method, you must cast the return value to the desired class type. When the code in a try block may throw more than one type of exception, you need to write a catch clause for each type of exception that could potentially be thrown.
When catching multiple exceptions that are related to one another?When catching multiple exceptions that are related to one another through inheritance, you should handle the more specialized exception classes before the more general exception classes. To serialize an object and write it to the file, use this method of the ObjectOutputStream class.
What happens if a program does not handle an unchecked exception quizlet?If your code does not handle and exception when it is thrown, this prints an error message and crashes the program.
When an exception is thrown by a method that is executing under several layers of method calls?8) When an exception is thrown by a method that is executing under several layers of method calls, a stack trace indicates the method executing when an exception occurred and all of the methods that were called in order to execute that method.
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