com.beardedhen.androidbootstrap

Class FontAwesomeText

java.lang.Object

android.view.View

android.widget.TextView

com.beardedhen.androidbootstrap.FontAwesomeText

All Implemented Interfaces:

android.graphics.drawable.Drawable.Callback, android.view.accessibility.AccessibilityEventSource, android.view.KeyEvent.Callback, android.view.ViewTreeObserver.OnPreDrawListener

public class FontAwesomeText
extends android.widget.TextView

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FontAwesomeText.AnimationSpeed

Nested classes/interfaces inherited from class android.widget.TextView

android.widget.TextView.BufferType, android.widget.TextView.OnEditorActionListener, android.widget.TextView.SavedState

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

android.view.View.AccessibilityDelegate, android.view.View.BaseSavedState, android.view.View.DragShadowBuilder, android.view.View.MeasureSpec, android.view.View.OnApplyWindowInsetsListener, android.view.View.OnAttachStateChangeListener, android.view.View.OnClickListener, android.view.View.OnCreateContextMenuListener, android.view.View.OnDragListener, android.view.View.OnFocusChangeListener, android.view.View.OnGenericMotionListener, android.view.View.OnHoverListener, android.view.View.OnKeyListener, android.view.View.OnLayoutChangeListener, android.view.View.OnLongClickListener, android.view.View.OnSystemUiVisibilityChangeListener, android.view.View.OnTouchListener

Field Summary

Fields inherited from class android.view.View

ACCESSIBILITY_LIVE_REGION_ASSERTIVE, ACCESSIBILITY_LIVE_REGION_NONE, ACCESSIBILITY_LIVE_REGION_POLITE, ALPHA, 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, FIND_VIEWS_WITH_CONTENT_DESCRIPTION, FIND_VIEWS_WITH_TEXT, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSABLES_ALL, FOCUSABLES_TOUCH_MODE, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, HAPTIC_FEEDBACK_ENABLED, IMPORTANT_FOR_ACCESSIBILITY_AUTO, IMPORTANT_FOR_ACCESSIBILITY_NO, IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS, IMPORTANT_FOR_ACCESSIBILITY_YES, INVISIBLE, KEEP_SCREEN_ON, LAYER_TYPE_HARDWARE, LAYER_TYPE_NONE, LAYER_TYPE_SOFTWARE, LAYOUT_DIRECTION_INHERIT, LAYOUT_DIRECTION_LOCALE, LAYOUT_DIRECTION_LTR, LAYOUT_DIRECTION_RTL, MEASURED_HEIGHT_STATE_SHIFT, MEASURED_SIZE_MASK, MEASURED_STATE_MASK, MEASURED_STATE_TOO_SMALL, NO_ID, OVER_SCROLL_ALWAYS, OVER_SCROLL_IF_CONTENT_SCROLLS, OVER_SCROLL_NEVER, 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_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, ROTATION, ROTATION_X, ROTATION_Y, SCALE_X, SCALE_Y, SCREEN_STATE_OFF, SCREEN_STATE_ON, SCROLL_AXIS_HORIZONTAL, SCROLL_AXIS_NONE, SCROLL_AXIS_VERTICAL, SCROLLBAR_POSITION_DEFAULT, SCROLLBAR_POSITION_LEFT, SCROLLBAR_POSITION_RIGHT, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SOUND_EFFECTS_ENABLED, STATUS_BAR_HIDDEN, STATUS_BAR_VISIBLE, SYSTEM_UI_FLAG_FULLSCREEN, SYSTEM_UI_FLAG_HIDE_NAVIGATION, SYSTEM_UI_FLAG_IMMERSIVE, SYSTEM_UI_FLAG_IMMERSIVE_STICKY, SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN, SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION, SYSTEM_UI_FLAG_LAYOUT_STABLE, SYSTEM_UI_FLAG_LOW_PROFILE, SYSTEM_UI_FLAG_VISIBLE, SYSTEM_UI_LAYOUT_FLAGS, TEXT_ALIGNMENT_CENTER, TEXT_ALIGNMENT_GRAVITY, TEXT_ALIGNMENT_INHERIT, TEXT_ALIGNMENT_TEXT_END, TEXT_ALIGNMENT_TEXT_START, TEXT_ALIGNMENT_VIEW_END, TEXT_ALIGNMENT_VIEW_START, TEXT_DIRECTION_ANY_RTL, TEXT_DIRECTION_FIRST_STRONG, TEXT_DIRECTION_INHERIT, TEXT_DIRECTION_LOCALE, TEXT_DIRECTION_LTR, TEXT_DIRECTION_RTL, TRANSLATION_X, TRANSLATION_Y, TRANSLATION_Z, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET, X, Y, Z

Constructor Summary

Constructors

Constructor and Description
FontAwesomeText(android.content.Context context)
FontAwesomeText(android.content.Context context, android.util.AttributeSet attrs)
FontAwesomeText(android.content.Context context, android.util.AttributeSet attrs, int defStyle)

Method Summary

Methods

Modifier and Type	Method and Description
void	setIcon(java.lang.String faIcon) Used to set the icon for a FontAwesomeText item
void	startFlashing(android.content.Context context, boolean forever, FontAwesomeText.AnimationSpeed speed) Used to start flashing a FontAwesomeText item
void	startRotate(android.content.Context context, boolean clockwise, FontAwesomeText.AnimationSpeed speed) Used to start rotating a FontAwesomeText item
void	stopAnimation() Used to stop animating any FontAwesomeText item

Methods inherited from class android.widget.TextView

addTextChangedListener, append, append, beginBatchEdit, bringPointIntoView, cancelLongPress, clearComposingText, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollRange, debug, didTouchFocusSelect, drawableHotspotChanged, drawableStateChanged, endBatchEdit, extractText, findViewsWithText, getAutoLinkMask, getBaseline, getBottomPaddingOffset, getCompoundDrawablePadding, getCompoundDrawables, getCompoundDrawablesRelative, getCompoundPaddingBottom, getCompoundPaddingEnd, getCompoundPaddingLeft, getCompoundPaddingRight, getCompoundPaddingStart, getCompoundPaddingTop, getCurrentHintTextColor, getCurrentTextColor, getCustomSelectionActionModeCallback, getDefaultEditable, getDefaultMovementMethod, getEditableText, getEllipsize, getError, getExtendedPaddingBottom, getExtendedPaddingTop, getFilters, getFocusedRect, getFontFeatureSettings, getFreezesText, getGravity, getHighlightColor, getHint, getHintTextColors, getImeActionId, getImeActionLabel, getImeOptions, getIncludeFontPadding, getInputExtras, getInputType, getKeyListener, getLayout, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLetterSpacing, getLineBounds, getLineCount, getLineHeight, getLineSpacingExtra, getLineSpacingMultiplier, getLinksClickable, getLinkTextColors, getMarqueeRepeatLimit, getMaxEms, getMaxHeight, getMaxLines, getMaxWidth, getMinEms, getMinHeight, getMinLines, getMinWidth, getMovementMethod, getOffsetForPosition, getPaint, getPaintFlags, getPrivateImeOptions, getRightFadingEdgeStrength, getRightPaddingOffset, getSelectionEnd, getSelectionStart, getShadowColor, getShadowDx, getShadowDy, getShadowRadius, getShowSoftInputOnFocus, getText, getTextColors, getTextLocale, getTextScaleX, getTextSize, getTopPaddingOffset, getTotalPaddingBottom, getTotalPaddingEnd, getTotalPaddingLeft, getTotalPaddingRight, getTotalPaddingStart, getTotalPaddingTop, getTransformationMethod, getTypeface, getUrls, hasOverlappingRendering, hasSelection, invalidateDrawable, isCursorVisible, isInputMethodTarget, isPaddingOffsetRequired, isSuggestionsEnabled, isTextSelectable, jumpDrawablesToCurrentState, length, moveCursorToVisibleOffset, onAttachedToWindow, onBeginBatchEdit, onCheckIsTextEditor, onCommitCompletion, onCommitCorrection, onCreateDrawableState, onCreateInputConnection, onDragEvent, onDraw, onEditorAction, onEndBatchEdit, onFinishTemporaryDetach, onFocusChanged, onGenericMotionEvent, onInitializeAccessibilityEvent, onInitializeAccessibilityNodeInfo, onKeyDown, onKeyMultiple, onKeyPreIme, onKeyShortcut, onKeyUp, onLayout, onMeasure, onPopulateAccessibilityEvent, onPreDraw, onPrivateIMECommand, onRestoreInstanceState, onRtlPropertiesChanged, onSaveInstanceState, onScreenStateChanged, onScrollChanged, onSelectionChanged, onStartTemporaryDetach, onTextChanged, onTextContextMenuItem, onTouchEvent, onTrackballEvent, onVisibilityChanged, onWindowFocusChanged, performLongClick, removeTextChangedListener, sendAccessibilityEvent, setAllCaps, setAutoLinkMask, setCompoundDrawablePadding, setCompoundDrawables, setCompoundDrawablesRelative, setCompoundDrawablesRelativeWithIntrinsicBounds, setCompoundDrawablesRelativeWithIntrinsicBounds, setCompoundDrawablesWithIntrinsicBounds, setCompoundDrawablesWithIntrinsicBounds, setCursorVisible, setCustomSelectionActionModeCallback, setEditableFactory, setElegantTextHeight, setEllipsize, setEms, setEnabled, setError, setError, setExtractedText, setFilters, setFontFeatureSettings, setFrame, setFreezesText, setGravity, setHeight, setHighlightColor, setHint, setHint, setHintTextColor, setHintTextColor, setHorizontallyScrolling, setImeActionLabel, setImeOptions, setIncludeFontPadding, setInputExtras, setInputType, setKeyListener, setLetterSpacing, setLines, setLineSpacing, setLinksClickable, setLinkTextColor, setLinkTextColor, setMarqueeRepeatLimit, setMaxEms, setMaxHeight, setMaxLines, setMaxWidth, setMinEms, setMinHeight, setMinLines, setMinWidth, setMovementMethod, setOnEditorActionListener, setPadding, setPaddingRelative, setPaintFlags, setPrivateImeOptions, setRawInputType, setScroller, setSelectAllOnFocus, setSelected, setShadowLayer, setShowSoftInputOnFocus, setSingleLine, setSingleLine, setSpannableFactory, setText, setText, setText, setText, setText, setTextAppearance, setTextColor, setTextColor, setTextIsSelectable, setTextKeepState, setTextKeepState, setTextLocale, setTextScaleX, setTextSize, setTextSize, setTransformationMethod, setTypeface, setTypeface, setWidth, verifyDrawable

Methods inherited from class android.view.View

addChildrenForAccessibility, addFocusables, addFocusables, addOnAttachStateChangeListener, addOnLayoutChangeListener, addTouchables, animate, announceForAccessibility, awakenScrollBars, awakenScrollBars, awakenScrollBars, bringToFront, buildDrawingCache, buildDrawingCache, buildLayer, callOnClick, cancelPendingInputEvents, canResolveLayoutDirection, canResolveTextAlignment, canResolveTextDirection, canScrollHorizontally, canScrollVertically, checkInputConnectionProxy, clearAnimation, clearFocus, combineMeasuredStates, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeSystemWindowInsets, computeVerticalScrollOffset, createAccessibilityNodeInfo, createContextMenu, destroyDrawingCache, dispatchApplyWindowInsets, dispatchConfigurationChanged, dispatchDisplayHint, dispatchDragEvent, dispatchDraw, dispatchDrawableHotspotChanged, dispatchGenericFocusedEvent, dispatchGenericMotionEvent, dispatchGenericPointerEvent, dispatchHoverEvent, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchNestedFling, dispatchNestedPreFling, dispatchNestedPrePerformAccessibilityAction, dispatchNestedPreScroll, dispatchNestedScroll, dispatchPopulateAccessibilityEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetActivated, dispatchSetPressed, dispatchSetSelected, dispatchSystemUiVisibilityChanged, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchVisibilityChanged, dispatchWindowFocusChanged, dispatchWindowSystemUiVisiblityChanged, dispatchWindowVisibilityChanged, draw, findFocus, findViewById, findViewWithTag, fitSystemWindows, focusSearch, forceLayout, generateViewId, getAccessibilityLiveRegion, getAccessibilityNodeProvider, getAccessibilityTraversalAfter, getAccessibilityTraversalBefore, getAlpha, getAnimation, getApplicationWindowToken, getBackground, getBackgroundTintList, getBackgroundTintMode, getBottom, getBottomFadingEdgeStrength, getCameraDistance, getClipBounds, getClipToOutline, getContentDescription, getContext, getContextMenuInfo, getDefaultSize, getDisplay, getDrawableState, getDrawingCache, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getElevation, getFilterTouchesWhenObscured, getFitsSystemWindows, getFocusables, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getImportantForAccessibility, getKeepScreenOn, getKeyDispatcherState, getLabelFor, getLayerType, getLayoutDirection, getLayoutParams, getLeft, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMatrix, getMeasuredHeight, getMeasuredHeightAndState, getMeasuredState, getMeasuredWidth, getMeasuredWidthAndState, getMinimumHeight, getMinimumWidth, getNextFocusDownId, getNextFocusForwardId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getOutlineProvider, getOverlay, getOverScrollMode, getPaddingBottom, getPaddingEnd, getPaddingLeft, getPaddingRight, getPaddingStart, getPaddingTop, getParent, getParentForAccessibility, getPivotX, getPivotY, getResources, getRight, getRootView, getRotation, getRotationX, getRotationY, getScaleX, getScaleY, getScrollBarDefaultDelayBeforeFade, getScrollBarFadeDuration, getScrollBarSize, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getStateListAnimator, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getSystemUiVisibility, getTag, getTag, getTextAlignment, getTextDirection, getTop, getTopFadingEdgeStrength, getTouchables, getTouchDelegate, getTransitionName, getTranslationX, getTranslationY, getTranslationZ, getVerticalFadingEdgeLength, getVerticalScrollbarPosition, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowId, getWindowSystemUiVisibility, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, getX, getY, getZ, hasFocus, hasFocusable, hasNestedScrollingParent, hasOnClickListeners, hasTransientState, hasWindowFocus, inflate, invalidate, invalidate, invalidate, invalidateOutline, isAccessibilityFocused, isActivated, isAttachedToWindow, isClickable, isDirty, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHardwareAccelerated, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isHovered, isImportantForAccessibility, isInEditMode, isInLayout, isInTouchMode, isLaidOut, isLayoutDirectionResolved, isLayoutRequested, isLongClickable, isNestedScrollingEnabled, isOpaque, isPaddingRelative, isPressed, isSaveEnabled, isSaveFromParentEnabled, isScrollbarFadingEnabled, isScrollContainer, isSelected, isShown, isSoundEffectsEnabled, isTextAlignmentResolved, isTextDirectionResolved, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAnimationEnd, onAnimationStart, onApplyWindowInsets, onCancelPendingInputEvents, onConfigurationChanged, onCreateContextMenu, onDetachedFromWindow, onDisplayHint, onDrawScrollBars, onFilterTouchEventForSecurity, onFinishInflate, onHoverChanged, onHoverEvent, onKeyLongPress, onOverScrolled, onSetAlpha, onSizeChanged, onWindowSystemUiVisibilityChanged, onWindowVisibilityChanged, overScrollBy, performAccessibilityAction, performClick, performHapticFeedback, performHapticFeedback, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, postInvalidateOnAnimation, postInvalidateOnAnimation, postOnAnimation, postOnAnimationDelayed, refreshDrawableState, removeCallbacks, removeOnAttachStateChangeListener, removeOnLayoutChangeListener, requestApplyInsets, requestFitSystemWindows, requestFocus, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, requestUnbufferedDispatch, resolveSize, resolveSizeAndState, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, sendAccessibilityEventUnchecked, setAccessibilityDelegate, setAccessibilityLiveRegion, setAccessibilityTraversalAfter, setAccessibilityTraversalBefore, setActivated, setAlpha, setAnimation, setBackground, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setBackgroundTintList, setBackgroundTintMode, setBottom, setCameraDistance, setClickable, setClipBounds, setClipToOutline, setContentDescription, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setElevation, setFadingEdgeLength, setFilterTouchesWhenObscured, setFitsSystemWindows, setFocusable, setFocusableInTouchMode, setHapticFeedbackEnabled, setHasTransientState, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setHovered, setId, setImportantForAccessibility, setKeepScreenOn, setLabelFor, setLayerPaint, setLayerType, setLayoutDirection, setLayoutParams, setLeft, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNestedScrollingEnabled, setNextFocusDownId, setNextFocusForwardId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnApplyWindowInsetsListener, setOnClickListener, setOnCreateContextMenuListener, setOnDragListener, setOnFocusChangeListener, setOnGenericMotionListener, setOnHoverListener, setOnKeyListener, setOnLongClickListener, setOnSystemUiVisibilityChangeListener, setOnTouchListener, setOutlineProvider, setOverScrollMode, setPivotX, setPivotY, setPressed, setRight, setRotation, setRotationX, setRotationY, setSaveEnabled, setSaveFromParentEnabled, setScaleX, setScaleY, setScrollBarDefaultDelayBeforeFade, setScrollBarFadeDuration, setScrollbarFadingEnabled, setScrollBarSize, setScrollBarStyle, setScrollContainer, setScrollX, setScrollY, setSoundEffectsEnabled, setStateListAnimator, setSystemUiVisibility, setTag, setTag, setTextAlignment, setTextDirection, setTop, setTouchDelegate, setTransitionName, setTranslationX, setTranslationY, setTranslationZ, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVerticalScrollbarPosition, setVisibility, setWillNotCacheDrawing, setWillNotDraw, setX, setY, setZ, showContextMenu, startActionMode, startAnimation, startDrag, startNestedScroll, stopNestedScroll, toString, unscheduleDrawable, unscheduleDrawable, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

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

Constructor Detail

FontAwesomeText

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

FontAwesomeText

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

FontAwesomeText

public FontAwesomeText(android.content.Context context)

Method Detail

startFlashing

public void startFlashing(android.content.Context context,
                 boolean forever,
                 FontAwesomeText.AnimationSpeed speed)

Used to start flashing a FontAwesomeText item

Parameters:

context - the current applications context

forever - whether the item should flash repeatedly or just once

speed - how fast the item should flash, chose between FontAwesomeText.AnimationSpeed.SLOW / FontAwesomeText.AnimationSpeed.MEDIUM / FontAwesomeText.AnimationSpeed.FAST

startRotate

public void startRotate(android.content.Context context,
               boolean clockwise,
               FontAwesomeText.AnimationSpeed speed)

Used to start rotating a FontAwesomeText item

Parameters:

context - the current applications context

clockwise - true for clockwise, false for anti clockwise spinning

speed - how fast the item should flash, chose between FontAwesomeText.AnimationSpeed.SLOW / FontAwesomeText.AnimationSpeed.MEDIUM / FontAwesomeText.AnimationSpeed.FAST

stopAnimation

public void stopAnimation()

Used to stop animating any FontAwesomeText item

setIcon

public void setIcon(java.lang.String faIcon)

Used to set the icon for a FontAwesomeText item

Parameters:

faIcon - - String value for the icon as per http://fortawesome.github.io/Font-Awesome/cheatsheet/