sk.baka.ambient.views
Class ButtonBar

java.lang.Object
  android.view.View
      sk.baka.ambient.views.ButtonBar

All Implemented Interfaces:

android.graphics.drawable.Drawable.Callback, android.view.KeyEvent.Callback

public final class ButtonBar
extends android.view.View

A very simple, naive and inefficient implementation of the apple-launchbar-like button bar.

Author:

Martin Vysny

Nested Class Summary

Nested classes/interfaces inherited from class android.view.View

android.view.View.BaseSavedState, android.view.View.MeasureSpec, android.view.View.OnClickListener, android.view.View.OnCreateContextMenuListener, android.view.View.OnFocusChangeListener, android.view.View.OnKeyListener, android.view.View.OnLongClickListener, android.view.View.OnTouchListener

Field Summary

android.widget.AdapterView.OnItemClickListener

listener The ONCLICK listener.

Fields inherited from class android.view.View

DRAWING_CACHE_QUALITY_AUTO, DRAWING_CACHE_QUALITY_HIGH, DRAWING_CACHE_QUALITY_LOW, EMPTY_STATE_SET, ENABLED_FOCUSED_SELECTED_STATE_SET, ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_FOCUSED_STATE_SET, ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, ENABLED_SELECTED_STATE_SET, ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_STATE_SET, ENABLED_WINDOW_FOCUSED_STATE_SET, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, HAPTIC_FEEDBACK_ENABLED, INVISIBLE, KEEP_SCREEN_ON, NO_ID, PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET, PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_SELECTED_STATE_SET, PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_STATE_SET, PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_SELECTED_STATE_SET, PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_STATE_SET, PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_SELECTED_STATE_SET, PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SOUND_EFFECTS_ENABLED, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET

Constructor Summary

ButtonBar(android.content.Context context, android.util.AttributeSet attrs)

ButtonBar(android.content.Context context, android.util.AttributeSet attrs, int defStyle)

ButtonBar(android.content.Context context, int rootId, java.lang.Integer textHintColor, java.lang.Integer textHintBgColor, java.lang.Boolean extendDown)
Constructor.

Method Summary

java.util.BitSet	getChecked() Returns the current check state.
Interval	getHighlight() Returns the highlight interval.
void	highlight(Interval interval, java.util.BitSet checked) Highlights given buttons.
protected void	onAttachedToWindow()
protected void	onDetachedFromWindow()
protected void	onDraw(android.graphics.Canvas canvas)
protected void	onFocusChanged(boolean gainFocus, int direction, android.graphics.Rect previouslyFocusedRect)
boolean	onKeyDown(int keyCode, android.view.KeyEvent event)
boolean	onKeyMultiple(int keyCode, int repeatCount, android.view.KeyEvent event)
boolean	onKeyUp(int keyCode, android.view.KeyEvent event)
protected void	onLayout(boolean changed, int left, int top, int right, int bottom)
protected void	onMeasure(int widthMeasureSpec, int heightMeasureSpec)
boolean	onTouchEvent(android.view.MotionEvent event)
void	setBitmaps(int[] bitmapResources, int[] activityName, android.graphics.Point bitmapSize, android.graphics.Point hoveredBitmapSize) Sets a new set of images to be shown.

Methods inherited from class android.view.View

addFocusables, addTouchables, bringToFront, buildDrawingCache, cancelLongPress, checkInputConnectionProxy, clearAnimation, clearFocus, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, createContextMenu, destroyDrawingCache, dispatchDraw, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetPressed, dispatchSetSelected, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchWindowFocusChanged, dispatchWindowVisibilityChanged, draw, drawableStateChanged, finalize, findFocus, findViewById, findViewWithTag, fitSystemWindows, focusSearch, forceLayout, getAnimation, getApplicationWindowToken, getBackground, getBaseline, getBottom, getBottomFadingEdgeStrength, getBottomPaddingOffset, getContext, getContextMenuInfo, getDefaultSize, getDrawableState, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getFocusables, getFocusedRect, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getKeepScreenOn, getLayoutParams, getLeft, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMeasuredHeight, getMeasuredWidth, getNextFocusDownId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getPaddingBottom, getPaddingLeft, getPaddingRight, getPaddingTop, getParent, getResources, getRight, getRightFadingEdgeStrength, getRightPaddingOffset, getRootView, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getTag, getTop, getTopFadingEdgeStrength, getTopPaddingOffset, getTouchables, getTouchDelegate, getVerticalFadingEdgeLength, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, hasFocus, hasFocusable, hasWindowFocus, inflate, initializeFadingEdge, initializeScrollbars, invalidate, invalidate, invalidate, invalidateDrawable, isClickable, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isInEditMode, isInTouchMode, isLayoutRequested, isLongClickable, isPaddingOffsetRequired, isPressed, isSaveEnabled, isSelected, isShown, isSoundEffectsEnabled, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAnimationEnd, onAnimationStart, onCheckIsTextEditor, onCreateContextMenu, onCreateDrawableState, onCreateInputConnection, onFinishInflate, onFinishTemporaryDetach, onKeyPreIme, onKeyShortcut, onRestoreInstanceState, onSaveInstanceState, onScrollChanged, onSetAlpha, onSizeChanged, onStartTemporaryDetach, onTrackballEvent, onWindowFocusChanged, onWindowVisibilityChanged, performClick, performHapticFeedback, performHapticFeedback, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, refreshDrawableState, removeCallbacks, requestFocus, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, setAnimation, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setClickable, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setEnabled, setFadingEdgeLength, setFocusable, setFocusableInTouchMode, setHapticFeedbackEnabled, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setId, setKeepScreenOn, setLayoutParams, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNextFocusDownId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnClickListener, setOnCreateContextMenuListener, setOnFocusChangeListener, setOnKeyListener, setOnLongClickListener, setOnTouchListener, setPadding, setPressed, setSaveEnabled, setScrollBarStyle, setScrollContainer, setSelected, setSoundEffectsEnabled, setTag, setTouchDelegate, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVisibility, setWillNotCacheDrawing, setWillNotDraw, showContextMenu, startAnimation, unscheduleDrawable, unscheduleDrawable, verifyDrawable, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

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

Field Detail

listener

public android.widget.AdapterView.OnItemClickListener listener

The ONCLICK listener. Both the position and the id fields will hold index of image being clicked.

Constructor Detail

ButtonBar

public ButtonBar(android.content.Context context,
                 int rootId,
                 java.lang.Integer textHintColor,
                 java.lang.Integer textHintBgColor,
                 java.lang.Boolean extendDown)

Constructor. This version is only needed if you will be instantiating the object manually (not from a layout XML file).

Parameters:

context -

rootId - Denotes root absolute layout id.

textHintColor - text hint color, default white.

textHintBgColor - text background color, default 50% transparent black.

extendDown - If true (the default) then hovered buttons are extended downwards. If false then buttons are extended upwards.

ButtonBar

public ButtonBar(android.content.Context context,
                 android.util.AttributeSet attrs,
                 int defStyle)

Parameters:

context -

attrs -

defStyle -

ButtonBar

public ButtonBar(android.content.Context context,
                 android.util.AttributeSet attrs)

Parameters:

context -

attrs -

Method Detail

onAttachedToWindow

protected void onAttachedToWindow()

Overrides:

onAttachedToWindow in class android.view.View

onDetachedFromWindow

protected void onDetachedFromWindow()

Overrides:

onDetachedFromWindow in class android.view.View

setBitmaps

public void setBitmaps(int[] bitmapResources,
                       int[] activityName,
                       android.graphics.Point bitmapSize,
                       android.graphics.Point hoveredBitmapSize)

Sets a new set of images to be shown.

Parameters:

bitmapResources - the drawables to show

activityName - the activity captions. If -1 then the caption is not shown for the item. May be null if no captions are required to be shown.

bitmapSize - the size of all bitmaps. Here the Point class is not used as a point, it denotes dimension instead.

hoveredBitmapSize - the size of hovered bitmap. Here the Point class is not used as a point, it denotes dimension instead.

onMeasure

protected void onMeasure(int widthMeasureSpec,
                         int heightMeasureSpec)

Overrides:

onMeasure in class android.view.View

See Also:

View.measure(int, int)

onDraw

protected void onDraw(android.graphics.Canvas canvas)

Overrides:

onDraw in class android.view.View

onLayout

protected void onLayout(boolean changed,
                        int left,
                        int top,
                        int right,
                        int bottom)

Overrides:

onLayout in class android.view.View

onTouchEvent

public boolean onTouchEvent(android.view.MotionEvent event)

Overrides:

onTouchEvent in class android.view.View

onKeyDown

public boolean onKeyDown(int keyCode,
                         android.view.KeyEvent event)

Specified by:

onKeyDown in interface android.view.KeyEvent.Callback

Overrides:

onKeyDown in class android.view.View

onKeyUp

public boolean onKeyUp(int keyCode,
                       android.view.KeyEvent event)

Specified by:

onKeyUp in interface android.view.KeyEvent.Callback

Overrides:

onKeyUp in class android.view.View

onKeyMultiple

public boolean onKeyMultiple(int keyCode,
                             int repeatCount,
                             android.view.KeyEvent event)

Specified by:

onKeyMultiple in interface android.view.KeyEvent.Callback

Overrides:

onKeyMultiple in class android.view.View

onFocusChanged

protected void onFocusChanged(boolean gainFocus,
                              int direction,
                              android.graphics.Rect previouslyFocusedRect)

Overrides:

onFocusChanged in class android.view.View

highlight

public void highlight(Interval interval,
                      java.util.BitSet checked)

Highlights given buttons.

Parameters:

interval - highlighted buttons. May be null - in this case the interval is empty.

checked - a set of checked items.

getHighlight

public Interval getHighlight()

Returns the highlight interval.

Returns:

the highlight interval, never null

getChecked

public java.util.BitSet getChecked()

Returns the current check state.

Returns:

checked state of the buttons, never null.